-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, PASCnvi74TKv2Xg8B94EPLnnLU9UybPt7P0qQwZZt/0qw/VTfM36U8t7Jv8/kFXS 2PgSDbiYM57wpd423ULFBg== 0001193125-04-059295.txt : 20040408 0001193125-04-059295.hdr.sgml : 20040408 20040408155137 ACCESSION NUMBER: 0001193125-04-059295 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20040331 FILED AS OF DATE: 20040408 EFFECTIVENESS DATE: 20040408 FILER: COMPANY DATA: COMPANY CONFORMED NAME: ESSEX INVESTMENT MANAGEMENT CO LLC CENTRAL INDEX KEY: 0000201772 IRS NUMBER: 004260191 STATE OF INCORPORATION: MA FISCAL YEAR END: 1130 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-00878 FILM NUMBER: 04724960 BUSINESS ADDRESS: STREET 1: 125 HIGH STREET CITY: SOUTH BOSTON STATE: MA ZIP: 02110 BUSINESS PHONE: 6174824870 FORMER COMPANY: FORMER CONFORMED NAME: ESSEX INVESTMENT MANAGEMENT CO INC DATE OF NAME CHANGE: 19920929 13F-HR 1 d13fhr.txt FORM 13F-HR ================================================================================ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ---------- Form 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: 3/31/04 Check here if Amendment [X]; Amendment Number: ________ This Amendment (Check only one.): [_] is a restatement. [X] adds new holdings entries. Institutional Investment Manager Filing this Report: ---------- Name: Essex Investment Management Co., LLC Address: 125 High Street, 29th Floor Boston, MA 02110 Form 13F File Number: 28- ___________ ---------- The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Michael S. McCarthy Title: Senior Vice President-Operations Phone: (617) 342-3245 Signature, Place, and Date of Signing. /s/ Michael S. McCarthy Boston, MA 4/05/04 - --------------------------- -------------------------- ----------------------- [Signature] [City, State] [Date] Report Type (Check only one.): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [_] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [_] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) List of Other Managers Reporting for this Manager: [If there are no entries in this list, omit this section.] Affiliated Managers Group, Inc. Form 13F File Number Name 28-Pending Affiliated Managers Group, Inc -------------------- ------------------------------ [Repeat as necessary.] ================================================================================ FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 1 Form 13F Information Table Entry Total: 687 --------------- Form 13F Information Table Value Total: 5,410,184 --------------- (thousands) List of Other Included Managers: Affiliated Managers Groups, Inc. Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. [If there are no entries in this list, state "NOTE" and omit the column heading and list entries.] No. Form 13F File Number Name 1 28-Pending Affiliated Managers Group, Inc. - ---- -------------------- ------------------------------- [Repeat as necessary.] FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 1
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ ABX AIR INC COMMON 00080S101 64770 10200 10200 10200 A C MOORE ARTS & CRAFTS COMMON 00086T103 159383 5925 5925 5925 AFLAC INC COMMON 001055102 782730 19500 19500 19500 ATI TECHNOLOGIES INC COMMON 001941103 7296969 446025 446025 444225 1800 AT&T CORP COMMON 001957505 1256394 64200 64200 64200 ASA LTD (GOLD) COMMON 002050102 530425 12250 12250 6450 5800 AT&T WIRELESS GROUP COMMON 00209A106 40830 3000 3000 3000 AU OPTRONICS CORP COMMON 002255107 20775708 994053 994053 971640 22413 ABAXIS INC COMMON 002567105 40640 2000 2000 2000 ABBOTT LABS COMMON 002824100 1079492 26265 26265 26265 ACUSPHERE INC COMMON 00511R870 2543485 304609 304609 298879 5730 ADOLOR CORP COMMON 00724X102 9430813 626216 626216 613416 12800 ADTRAN INC COMMON 00738A106 6648642 221400 221400 220150 1250 ADVANCED FIBRE COMMUNICA COMMON 00754A105 393202 17800 17800 17800 ADVANCED NEUROMODULATION COMMON 00757T101 9638376 267065 267065 266165 900 ADVANCED MEDICAL OPTICS COMMON 00763M108 8125 333 333 333 AEROFLEX INC COMMON 007768104 11473304 852400 852400 847600 4800 AFFILIATED COMPUTER SERV COMMON 008190100 607230 11700 11700 11700 AFFILIATED MANAGERS GROU COMMON 008252108 8222532 150651 150651 150651 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 80993048 4035592 4035592 3948566 87026
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 2
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ AGNICO EAGLE MINES LTD COMMON 008474108 20902 1400 1400 1400 AIRTRAN HLDGS INC COMMON 00949P108 35012237 2947158 2947158 2864548 82610 AKAMAI TECHNOLOGIES INC COMMON 00971T101 163133 12415 12415 12415 ALCAN INC COMMON 013716105 62706 1400 1400 1400 ALCOA INC COMMON 013817101 69380 2000 2000 2000 ALCATEL COMMON 013904305 1606398 101350 101350 98800 2550 ALEXANDER & BALDWIN INC COMMON 014482103 280160 8500 8500 2200 6300 ALLERGAN INC COMMON 018490102 12218349 145180 145180 126780 18400 ALLIANCE DATA SYSTEMS CO COMMON 018581108 25700374 766032 766032 758332 7700 ALTERA CORP COMMON 021441100 614400 30000 30000 30000 ALTRIA GROUP INC COMMON 02209S103 49005 900 900 900 ALUMINUM CORP CHINA LTD COMMON 022276109 123675 1500 1500 1500 AMAZON COM INC COMMON 023135106 16879 390 390 390 AMBAC FINL GROUP INC COMMON 023139108 44268 600 600 600 AMERICAN ELEC PWR INC COMMON 025537101 204104 6200 6200 6200 AMERICAN EXPRESS CO COMMON 025816109 43036 830 830 830 AMERICAN HEALTHWAYS INC COMMON 02649V104 8913320 365300 365300 365300 AMERICAN INTL GROUP INC COMMON 026874107 59748133 837395 837395 761457 75938 AMERICAN PWR CONVERSION COMMON 029066107 55751 2425 2425 2425 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 144946209 5230975 5230975 5036577 194398
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 3
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ AMGEN INC COMMON 031162100 2955009 50817 50817 38504 12313 AMPHENOL CORP NEW COMMON 032095101 2650487 89242 89242 86642 2600 ANADARKO PETE CORP COMMON 032511107 32154289 620021 620021 572006 48015 ANALOG DEVICES INC COMMON 032654105 4861973 101270 101270 85970 15300 ANAREN INC COMMON 032744104 3718774 234475 234475 231875 2600 ANDREW CORP COMMON 034425108 7143500 408200 408200 403500 4700 ANGLOGOLD LTD COMMON 035128206 105675 2500 2500 2500 ANHEUSER BUSCH COS INC COMMON 035229103 1116900 21900 21900 8900 13000 ANTHEM INC COMMON 03674B104 4146780 45750 45750 45750 ANTEON INTL CORP COMMON 03674E108 2507652 86800 86800 84700 2100 APACHE CORP COMMON 037411105 70316375 1628825 1628825 1499977 128848 APOLLO GROUP INC COMMON 037604105 13648347 158407 158407 136582 21825 UNV PHOENIX ONLINE COMMON 037604204 9010486 103545 103545 103545 APPLE COMPUTER INC COMMON 037833100 1884688 69700 69700 69700 APPLIED FILMS CORP COMMON 038197109 12250734 437370 437370 429800 7570 APPLIED MATLS INC COMMON 038222105 26663 1250 1250 1250 AQUANTIVE INC COMMON 03839G105 21775910 2268324 2268324 2005874 262450 ARGOSY GAMING CO COMMON 040228108 5282730 148600 148600 146700 1900 ARIBA INC COMMON 04033V104 80514 28450 28450 11350 17100 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 195637485 6505446 6505446 5965125 540321
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 4
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ ARTISAN COMPONENTS INC COMMON 042923102 24059269 1079375 1079375 1068025 11350 ARTHROCARE CORP COMMON 043136100 3939131 169425 169425 168425 1000 ASCENTIAL SOFTWARE CORP COMMON 04362P207 42634338 1953911 1953911 1865306 88605 ASK JEEVES INC COMMON 045174109 1486011 41590 41590 41590 ASPEN TECHNOLOGY INC COMMON 045327103 791673 96900 96900 96900 ASSURANT INC COMMON 04621X108 1705170 67800 67800 67800 AT RD INC COMMON 04648K105 8426116 686725 686725 587775 98950 ATHEROGENICS INC COMMON 047439104 7988491 349300 349300 349300 ATMEL CORP COMMON 049513104 3407788 524275 524275 516275 8000 AUTOMATIC DATA PROCESSIN COMMON 053015103 88200 2100 2100 300 1800 AVERY DENNISON CORP COMMON 053611109 777625 12500 12500 12500 AVID TECHNOLOGY INC COMMON 05367P100 45843625 993792 993792 985967 7825 AVENTAIL SER E COMMON 053990107 2750000 2750000 2750000 2750000 AVON PRODS INC COMMON 054303102 7587 100 100 100 BJ SVCS CO COMMON 055482103 64943034 1500879 1500879 1415574 85305 BP PLC COMMON 055622104 241254 4712 4712 704 4008 BOWSTREET SER D COMMON 056990104 189584 208334 208334 208334 BAKER HUGHES INC COMMON 057224107 2569104 70425 70425 69125 1300 BANK NEW YORK INC COMMON 064057102 47187 1498 1498 1498 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 211895187 10513641 10513641 7234664 3278977
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 5
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ BANK ONE CORP COMMON 06423A103 27914 512 512 512 BARRICK GOLD CORP COMMON 067901108 134357 5650 5650 1900 3750 BARR PHARMACEUTICALS INC COMMON 068306109 1333946 29062 29062 29062 BECKMAN COULTER INC COMMON 075811109 441774 8100 8100 8100 BECTON DICKINSON & CO COMMON 075887109 1144128 23600 23600 23600 BED BATH & BEYOND INC COMMON 075896100 20659549 493068 493068 482018 11050 BELLSOUTH CORP COMMON 079860102 36883 1332 1332 1332 BEMA GOLD CORP COMMON 08135F107 36800 10000 10000 10000 BENNETT ENVIRONMENTAL IN COMMON 081906109 35560 2800 2800 2800 BHP BILLITON LTD COMMON 088606108 93900 5000 5000 5000 BIO IMAGING TECHNOLOGIES COMMON 09056N103 21349 3700 3700 3700 BIOENVISION INC COMMON 09059N100 38038 3800 3800 3800 BIOMET INC COMMON 090613100 153440 4000 4000 2500 1500 BIOGEN IDEC INC COMMON 09062X103 27972471 503102 503102 478195 24907 BIOLASE TECHNOLOGY INC COMMON 090911108 1750000 100000 100000 97500 2500 BLUE COAT SYSTEMS INC COMMON 09534T508 5790659 108075 108075 107800 275 BOCA RESORTS INC COMMON 09688T106 279200 16000 16000 16000 BOSTON COMMUNICATIONS GR COMMON 100582105 13100542 1105531 1105531 1095531 10000 BOSTON PRIVATE FINL HLDG COMMON 101119105 3494540 124805 124805 122305 2500 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 76545050 2548137 2548137 2491655 56482
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 6
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ BOSTON SCIENTIFIC CORP COMMON 101137107 2871245 67750 67750 67750 BOTTOMLINE TECH DEL INC COMMON 101388106 5832 600 600 600 BRIGGS & STRATTON CORP COMMON 109043109 4058321 60150 60150 60150 BROADCOM CORP COMMON 111320107 43708481 1120443 1120443 1030448 89995 BROCADE COMMUNICATIONS S COMMON 111621108 4475958 674090 674090 674090 BROOKLINE BANCORP INC DE COMMON 11373M107 128573 8061 8061 8061 BROOKS AUTOMATION INC COMMON 114340102 317178 15075 15075 15075 BROWN TOM INC COMMON 115660201 4026960 107100 107100 101500 5600 BUFFALO WILD WINGS INC COMMON 119848109 137042 4790 4790 4020 770 C H ROBINSON WORLDWIDE I COMMON 12541W100 4643850 111900 111900 105950 5950 CUNO INC COMMON 126583103 26868 600 600 600 CV THERAPEUTICS INC COMMON 126667104 32029907 2116980 2116980 1933155 183825 CABOT CORP COMMON 127055101 32964000 1005000 1005000 1005000 CABOT MICROELECTRONICS C COMMON 12709P103 6319500 150000 150000 150000 CACHE INC COMMON 127150308 20148657 613727 613727 598287 15440 CALLIDUS SOFTWARE INC COMMON 13123E500 17828 2095 2095 1790 305 CAMDEN NATL CORP COMMON 133034108 9585 300 300 300 CANADIAN GOLD MAPLE LEAF COMMON 135994101 72393 181 181 181 CANDELA CORP COMMON 136907102 1872750 136200 136200 136200 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 157834928 6195042 6195042 5893157 301885
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 7
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ CAPITAL ONE FINL CORP COMMON 14040H105 724128 9600 9600 9600 CAPTIVA SOFTWARE CORP DE COMMON 14073T109 7373532 532385 532385 529585 2800 CAREER EDUCATION CORP COMMON 141665109 40412044 714625 714625 707420 7205 CAREMARK RX INC COMMON 141705103 4895231 147225 147225 124925 22300 CARMAX INC COMMON 143130102 35585106 1218668 1218668 1158718 59950 CARTER INC COMMON 146229109 12437 435 435 310 125 CATERPILLAR INC DEL COMMON 149123101 2510473 31750 31750 31750 CEMEX S A COMMON 151290889 62622 2100 2100 2100 CENDANT CORP COMMON 151313103 290241 11900 11900 11900 CENTRAL FGHT LINES INC N COMMON 153491105 6030130 458565 458565 453315 5250 CENTRAL GARDEN & PET CO COMMON 153527106 17330400 481400 481400 476600 4800 CENTRUE FINL CORP COMMON 15641R103 99360 3600 3600 3600 CERETEK LLC UNITS COMMON 156992109 0 1681 1681 1681 CHARLES RIV LABS INTL IN COMMON 159864107 957698 22350 22350 22350 CHEROKEE INTL CORP COMMON 164450108 10850112 753480 753480 740355 13125 CHESAPEAKE ENERGY CORP COMMON 165167107 653920 48800 48800 48800 CHEVRONTEXACO CORP COMMON 166764100 114114 1300 1300 1300 CHICAGO MERCANTILE HLDGS COMMON 167760107 5355526 55360 55360 53910 1450 CHICOS FAS INC COMMON 168615102 1542568 33245 33245 33245 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 134799641 4528469 4528469 4401864 126605
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 8
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ CHINA TELECOM CORP LTD COMMON 169426103 36285705 1045999 1045999 958444 87555 CHROMAGEN SER F COMMON 170990105 500000 470588 470588 470588 CHUBB CORP COMMON 171232101 152988 2200 2200 2200 CINERGY CORP COMMON 172474108 204450 5000 5000 5000 CIRRUS LOGIC INC COMMON 172755100 2891012 381400 381400 381400 CISCO SYS INC COMMON 17275R102 51193828 2171991 2171991 2010688 161303 CITADEL BROADCASTING COR COMMON 17285T106 16490 945 945 720 225 CITADEL SEC SOFTWARE INC COMMON 17288Q109 7269424 1517625 1517625 1511425 6200 CITIGROUP INC COMMON 172967101 33777937 653345 653345 632863 20482 CITY NATL CORP COMMON 178566105 1253408 20925 20925 20925 CLEVELAND CLIFFS INC COMMON 185896107 327150 5000 5000 5000 COACH INC COMMON 189754104 135267 3300 3300 3300 COCA COLA CO COMMON 191216100 76959 1530 1530 1200 330 COGNEX CORP COMMON 192422103 9899356 297725 297725 295425 2300 COGNOS INC COMMON 19244C109 1982405 63825 63825 62950 875 COLDWATER CREEK INC COMMON 193068103 29604739 1388590 1388590 1362405 26185 COLGATE PALMOLIVE CO COMMON 194162103 15370200 278951 278951 249251 29700 COLONIAL BANCGROUP INC COMMON 195493309 660709 35714 35714 35714 COMCAST CORP - SP A COMMON 20030N200 3420955 122835 122835 106195 16640 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 195022980 8467488 8467488 7642905 824583
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 9
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ COMMERCE BANCORP INC NJ COMMON 200519106 65880 1000 1000 1000 COMMERCE BANCSHARES INC COMMON 200525103 7487226 156932 156932 156932 COMPANIA DE MINAS BUENAV COMMON 204448104 86700 3000 3000 3000 COMVERSE TECHNOLOGY INC COMMON 205862402 4411648 243200 243200 234030 9170 CONEXANT SYSTEMS INC COMMON 207142100 3574930 583186 583186 583186 CONSOL ENERGY INC COMMON 20854P109 67000 2500 2500 2500 COORS ADOLPH CO COMMON 217016104 48615 700 700 700 COPART INC COMMON 217204106 71709 3300 3300 3300 CORGENTECH INC COMMON 21872P105 468468 25025 25025 21385 3640 CORPORATE EXECUTIVE BRD COMMON 21988R102 15191199 323217 323217 322217 1000 COST PLUS INC CALIF COMMON 221485105 10052398 240776 240776 235216 5560 COSTCO WHSL CORP NEW COMMON 22160K105 2460747 65428 65428 56248 9180 COSTAR GROUP INC COMMON 22160N109 32972472 894290 894290 844795 49495 COTT CORP QUE COMMON 22163N106 29390 1000 1000 1000 COVANCE INC COMMON 222816100 5956398 172950 172950 169700 3250 COX COMMUNICATIONS INC N COMMON 224044107 11850 375 375 375 CTI MOLECULAR IMAGING IN COMMON 22943D105 221768 15200 15200 15200 CUMMINS INC COMMON 231021106 69491848 1188911 1188911 1110751 78160 CUMULUS MEDIA INC COMMON 231082108 19391619 970066 970066 960061 10005 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 172061866 4891056 4891056 4721596 169460
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 10
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ CUTTER & BUCK INC COMMON 232217109 32256 3200 3200 3200 CYBERONICS INC COMMON 23251P102 885551 36975 36975 36975 CYMER INC COMMON 232572107 7405398 191800 191800 191800 CYTYC CORP COMMON 232946103 27495015 1235731 1235731 1224331 11400 ITF OPTICAL TECH COMMON 232991109 970870 425820 425820 425820 DJ ORTHOPEDICS INC COMMON 23325G104 11191758 432950 432950 427725 5225 D R HORTON INC COMMON 23331A109 575277 16237 16237 16237 DTE ENERGY CO COMMON 233331107 30863 750 750 750 DEERE & CO COMMON 244199105 48517 700 700 700 DELL INC COMMON 24702R101 44584087 1326118 1326118 1192895 133223 DENDREON CORP COMMON 24823Q107 4236050 318500 318500 316600 1900 DEVON ENERGY CORP NEW COMMON 25179M103 122115 2100 2100 2100 DEVRY INC DEL COMMON 251893103 12060 400 400 400 DICKS SPORTING GOODS INC COMMON 253393102 8465184 145600 145600 145600 DIEBOLD INC COMMON 253651103 6313007 131193 131193 118693 12500 DIGITALNET HLDGS INC COMMON 25389B103 183816 9015 9015 7730 1285 DIGITAL THEATER SYS INC COMMON 25389G102 14606080 570550 570550 521490 49060 DISCOVERY LABORATORIES I COMMON 254668106 11132159 918495 918495 915795 2700 DISNEY WALT CO COMMON 254687106 21849507 874330 874330 840530 33800 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 160139569 6640464 6640464 5963551 676913
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 11
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ DOLLAR TREE STORES INC COMMON 256747106 9227449 299010 299010 295810 3200 DOMINION RES INC VA NEW COMMON 25746U109 64300 1000 1000 1000 DOT HILL SYS CORP COMMON 25848T109 46531595 4634621 4634621 4376711 257910 DOW CHEM CO COMMON 260543103 20140 500 500 500 DRUGSTORE COM INC COMMON 262241102 33087 6150 6150 5150 1000 DU PONT E I DE NEMOURS & COMMON 263534109 135104 3200 3200 800 2400 DUKE ENERGY CORP COMMON 264399106 19210 850 850 850 DUQUESNE LT HLDGS INC COMMON 266233105 19500 1000 1000 1000 DURECT CORP COMMON 266605104 2968962 875800 875800 875800 DYAX CORP COMMON 26746E103 11038855 1072775 1072775 1064675 8100 EGL INC COMMON 268484102 1237653 68950 68950 67200 1750 E M C CORP MASS COMMON 268648102 60923790 4476399 4476399 4168181 308218 ENSCO INTL INC COMMON 26874Q100 9797160 347787 347787 341637 6150 EOG RES INC COMMON 26875P101 2955316 64400 64400 64400 EPIX MEDICAL INC COMMON 26881Q101 10188250 491000 491000 488100 2900 EPIQ SY INC COMMON 26882D109 4463755 273850 273850 269350 4500 ESS TECHNOLOGY INC COMMON 269151106 14826025 1011325 1011325 1003725 7600 EBAY RESTRICTED RULE 145 COMMON 278642103 56849090 820570 820570 783528 37042 EDO CORP COMMON 281347104 84280 3500 3500 3500 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 231383519 14452687 14452687 13811917 640770
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 12
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ EDUCATION MGMT CORP COMMON 28139T101 3076051 96640 96640 91400 5240 EDWARDS LIFESCIENCES COR COMMON 28176E108 5279738 165250 165250 165250 EL PASO CORP COMMON 28336L109 711 100 100 100 ELAN PLC COMMON 284131208 385594 18700 18700 18700 ELECTRONIC ARTS INC COMMON 285512109 8977267 167050 167050 166650 400 EMULEX CORP COMMON 292475209 1044807 49075 49075 16725 32350 ENDO PHARMACEUTICALS HLD COMMON 29264F205 676434 27700 27700 27700 ENERGY TRANSFER PRTNRS L COMMON 29273R109 7146 180 180 180 ENDOCARDIAL SOLUTIONS IN COMMON 292962107 6187755 712875 712875 709175 3700 ENTERASYS NETWORKS INC COMMON 293637104 5689717 2248900 2248900 2248900 EON LABS INC COMMON 29412E100 704340 10500 10500 10500 EQUIFAX INC COMMON 294429105 187841 7275 7275 5075 2200 EQUITY OFFICE PROPERTIES COMMON 294741103 17276 598 598 598 ERICSSON L M TEL CO COMMON 294821608 2059792 74200 74200 74200 ESPEED INC COMMON 296643109 15720 750 750 750 MICROBIA SER C COMMON 297991101 450004 109490 109490 109490 EXACT SCIENCES CORP COMMON 30063P105 7400341 943921 943921 931721 12200 EXAR CORP COMMON 300645108 6665400 362250 362250 352000 10250 EXCEL TECHNOLOGY INC COMMON 30067T103 2510496 79825 79825 78925 900 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 51336429 5075279 5075279 4898549 176730
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 13
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ EXPEDITORS INTL WASH INC COMMON 302130109 2164210 54985 54985 52250 2735 EYETECH PHARMACEUTICALS COMMON 302297106 148736 4480 4480 4170 310 EXXON MOBIL CORP COMMON 30231G102 1119644 26921 26921 14619 12302 FLIR SYS INC COMMON 302445101 12785448 335400 335400 333600 1800 FPL GROUP INC COMMON 302571104 342606 5125 5125 5125 FAIRCHILD SEMICONDUCTOR COMMON 303726103 17735678 738064 738064 721069 16995 FAMILY DLR STORES INC COMMON 307000109 562618 15650 15650 15650 FASTENAL CO COMMON 311900104 1318090 24550 24550 24550 FEDERAL HOME LN MTG CORP COMMON 313400301 732344 12400 12400 12400 FEDERAL NATL MTG ASSN COMMON 313586109 831605 11185 11185 1485 9700 FEDEX CORP COMMON 31428X106 53769314 715398 715398 679053 36345 FINISH LINE INC COMMON 317923100 6689605 181684 181684 181684 ONIX MICROSYSTEMS SER C COMMON 335990107 0 2 2 2 FISHER SCIENTIFIC INTL I COMMON 338032204 396288 7200 7200 7200 FLEETBOSTON FINL CORP COMMON 339030108 106862 2380 2380 2380 FORD MTR CO DEL COMMON 345370860 5618 414 414 414 FOREST LABS INC COMMON 345838106 124872979 1743549 1743549 1634319 109230 FOREST OIL CORP COMMON 346091705 3555958 140830 140830 131530 9300 FORMFACTOR INC COMMON 346375108 3225312 154395 154395 151565 2830 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 230362913 4174612 4174612 3960663 213949
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 14
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ FOX ENTMT GROUP INC COMMON 35138T107 731700 27000 27000 27000 FREEMARKETS INC COMMON 356602102 2034868 247250 247250 247250 FREEPORT-MCMORAN COPPER COMMON 35671D857 335197 8575 8575 5925 2650 PHOTONEX SER C COMMON 359992104 0 2049012 2049012 2049012 GSI LUMONICS INC COMMON 36229U102 1561005 111900 111900 109200 2700 GABLES RESIDENTIAL TR COMMON 362418105 18125 500 500 500 GEN-PROBE INC NEW COMMON 36866T103 14565613 436750 436750 436750 GEMSTAR-TV GUIDE INTL IN COMMON 36866W106 2797399 416900 416900 416900 GENENTECH INC COMMON 368710406 27550449 260352 260352 253852 6500 GENERAL ELEC CO COMMON 369604103 2570761 84232 84232 29608 54624 GENERAL MLS INC COMMON 370334104 24554 526 526 526 GENUINE PARTS CO COMMON 372460105 32720 1000 1000 1000 GENZYME CORP GENL DIV COMMON 372917104 21190171 452975 452975 440660 12315 GETTY IMAGES INC COMMON 374276103 20319961 376435 376435 345660 30775 GILEAD SCIENCES INC COMMON 375558103 26516190 478200 478200 427849 50351 GLAMIS GOLD LTD COMMON 376775102 81045 4500 4500 4500 GLOBAL PMTS INC COMMON 37940X102 6559591 145510 145510 136910 8600 GOLD FIELDS LTD NEW COMMON 38059T106 65750 5000 5000 5000 GOLDCORP INC NEW COMMON 380956409 68126 4600 4600 4600 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 127023222 5111217 5111217 2866690 2244527
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 15
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ GOLDEN TELECOM INC COMMON 38122G107 3117488 91610 91610 54125 37485 GOLDMAN SACHS GROUP INC COMMON 38141G104 38294885 366985 366985 332805 34180 GRAND CENTRAL SER A 3 COMMON 384990107 0 50910 50910 50910 GRAND CENTRAL SER B 3 COMMON 384991105 0 105071 105071 105071 GRANT PRIDECO INC COMMON 38821G101 12732863 821475 821475 817075 4400 GREENPOINT FINL CORP COMMON 395384100 29461 674 674 674 GTECH HLDGS CORP COMMON 400518106 6118033 103450 103450 103450 GTX INC DEL COMMON 40052B108 189280 18200 18200 15400 2800 GUIDANT CORP COMMON 401698105 25912880 408914 408914 379464 29450 GULFTERRA ENERGY PARTNER COMMON 40274U108 417774 9800 9800 9800 GYMBOREE CORP COMMON 403777105 1377572 82145 82145 59405 22740 HCA INC COMMON 404119109 544308 13400 13400 13400 HCC INS HLDGS INC COMMON 404132102 16722854 517255 517255 506070 11185 HMS HLDGS CORP COMMON 40425J101 43824 6600 6600 6600 HALLIBURTON CO COMMON 406216101 1520 50 50 50 HARMONY GOLD MNG LTD COMMON 413216300 77150 5000 5000 5000 HARRIS & HARRIS GROUP IN COMMON 413833104 18475296 1099720 1099720 1023470 76250 HARVEST NATURAL RESOURCE COMMON 41754V103 6869622 470200 470200 464600 5600 HAWAIIAN ELEC INDUSTRIES COMMON 419870100 51840 1000 1000 1000 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 130976649 4172459 4172459 3778988 393471
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 16
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ CONTINENTAL POTASH CO COMMON 421730094 0 1204 1204 1204 HEALTH MGMT ASSOC INC NE COMMON 421933102 29013 1250 1250 1250 HECLA MNG CO COMMON 422704106 1798058 213800 213800 196850 16950 HELIX TECHNOLOGY CORP COMMON 423319102 11806113 486850 486850 483225 3625 HOME DEPOT INC COMMON 437076102 747200 20000 20000 20000 HOT TOPIC INC COMMON 441339108 8985250 339707 339707 337032 2675 HUDSON HIGHLAND GROUP IN COMMON 443792106 4252321 152577 152577 148977 3600 HUGHES SUPPLY INC COMMON 444482103 10328040 197100 197100 194950 2150 HUNT J B TRANS SVCS INC COMMON 445658107 88123622 3129390 3129390 3020755 108635 HYPERION SOLUTIONS CORP COMMON 44914M104 38669949 932930 932930 851205 81725 ICOS CORP COMMON 449295104 567799 15375 15375 11925 3450 I-FLOW CORP COMMON 449520303 14099642 1001395 1001395 941195 60200 IRT CORP COMMON 450052303 3973 15893 15893 15893 ISTA PHARMACEUTICALS INC COMMON 45031X204 24453 1900 1900 1900 ICON PUB LTD CO COMMON 45103T107 35440 1000 1000 1000 IDACORP INC COMMON 451107106 29900 1000 1000 1000 IMCLONE SYS INC COMMON 45245W109 139563 2750 2750 2750 IMMUCOR INC COMMON 452526106 291279 16075 16075 16075 IMPCO RESTRICTED PIPE COMMON 45255W106 110600 20000 20000 20000 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 180042213 6550196 6550196 6247186 303010
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 17
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ INCO LTD COMMON 453258402 148909 4300 4300 4300 INCYTE CORP COMMON 45337C102 1246292 149975 149975 145850 4125 INFINITY PPTY & CAS CORP COMMON 45665Q103 17087197 544005 544005 538605 5400 INKINE PHARMACEUTICALS I COMMON 457214104 5525015 1064550 1064550 1058250 6300 INSIGHT ENTERPRISES INC COMMON 45765U103 21646174 1125061 1125061 1113861 11200 INTEGRA LIFESCIENCES HLD COMMON 457985208 216550 7100 7100 7100 INTEL CORP COMMON 458140100 39290672 1444510 1444510 1246169 198341 INTELLISYNC CORP COMMON 458176104 3481643 1058250 1058250 1058250 INTERACTIVECORP COMMON 45840Q101 4113039 130036 130036 108919 21117 INTERMAGNETICS GEN CORP COMMON 458771102 47700 1800 1800 1800 INTERACTIVE VIDEO TECH COMMON 458990108 3239 6478 6478 6478 INTERNATIONAL BUSINESS M COMMON 459200101 1698581 18495 18495 17895 600 INTERNATIONAL SPEEDWAY C COMMON 460335201 4888 104 104 104 INTERPUBLIC GROUP COS IN COMMON 460690100 9228 600 600 600 INTERSIL CORP COMMON 46069S109 4255955 190850 190850 190850 INTEROIL CORP PIPE COMMON 460951106 1350580 50000 50000 50000 INTRADO INC COMMON 46117A100 22135455 1142770 1142770 1119365 23405 INTUIT COMMON 461202103 2298445 51500 51500 51500 INVERESK RESH GROUP INC COMMON 461238107 7119921 250525 250525 249225 1300 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 131679481 7240909 7240909 6962643 278266
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 18
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ INVERNESS MED INNOVATION COMMON 46126P106 477264 26080 26080 26080 INVESTORS FINL SERVICES COMMON 461915100 17841863 432111 432111 426561 5550 IPASS INC COMMON 46261V108 9673 885 885 705 180 IRON MTN INC PA COMMON 462846106 200835 4500 4500 4500 J JILL GROUP INC COMMON 466189107 5381529 262130 262130 257355 4775 J P MORGAN CHASE & CO COMMON 46625H100 1198931 28580 28580 500 28080 JSC MMC NORILSK NICKEL COMMON 46626D108 279350 3700 3700 1500 2200 JEFFERIES GROUP INC NEW COMMON 472319102 1260221 35670 35670 35670 JETBLUE AWYS CORP COMMON 477143101 17101901 677303 677303 672003 5300 JOHNSON & JOHNSON COMMON 478160104 1888610 37236 37236 35886 1350 JOS A BANK CLOTHIERS INC COMMON 480838101 3062715 84512 84512 82300 2212 JOY GLOBAL INC COMMON 481165108 70125 2500 2500 2500 JUPITER MEDIA METRIX COMMON 48206U104 1538 6989 6989 6989 JUPITERMEDIA CORP COMMON 48207D101 773852 67350 67350 67350 KFX INC COMMON 48245L107 2649450 255000 255000 5000 250000 KLA-TENCOR CORP COMMON 482480100 549058 10920 10920 10920 KANSAS CITY SOUTHERN COMMON 485170302 8340 600 600 600 KEYSPAN CORP COMMON 49337W100 9173 240 240 240 KFORCE INC COMMON 493732101 3596463 378575 378575 374475 4100 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 56360889 2314881 2314881 2011134 303747
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 19
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ KILROY RLTY CORP COMMON 49427F108 17750 500 500 500 KIMCO REALTY CORP COMMON 49446R109 45882 900 900 900 KINETIC CONCEPTS INC COMMON 49460W208 1710579 38140 38140 34670 3470 KINROSS GOLD CORP COMMON 496902206 36650 5000 5000 5000 LSI LOGIC CORP COMMON 502161102 7472 800 800 800 L-3 COMMUNICATIONS HLDGS COMMON 502424104 773240 13000 13000 13000 LABOR READY INC COMMON 505401208 62192 4600 4600 4600 LAMAR ADVERTISING CO COMMON 512815101 3832847 94990 94990 81990 13000 LANDEC CORP COMMON 514766104 4872714 564625 564625 561625 3000 LEHMAN BROS HLDGS INC COMMON 524908100 107731 1300 1300 1300 LENNAR CORP COMMON 526057104 837465 15500 15500 15500 LEXICON GENETICS INC COMMON 528872104 4853256 774044 774044 768044 6000 LEXMARK INTL NEW COMMON 529771107 966000 10500 10500 10500 LIBERTY PPTY TR COMMON 531172104 171000 3800 3800 1700 2100 LILLY ELI & CO COMMON 532457108 2364246 35340 35340 34840 500 LINEAR TECHNOLOGY CORP COMMON 535678106 6951408 187420 187420 184895 2525 LINKTONE LTD COMMON 535925101 7701753 637035 637035 596835 40200 LOUISIANA PAC CORP COMMON 546347105 72240 2800 2800 2800 INCIPIENT SER B COMMON 549990109 500006 117455 117455 117455 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 35884430 2507749 2507749 2318999 188750
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 20
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ M D C HLDGS INC COMMON 552676108 6746925 95837 95837 95287 550 MGI PHARMA INC COMMON 552880106 376749 6150 6150 6150 MPSI SYSTEMS (UNRESTR) COMMON 553412206 3485 20500 20500 20500 MSC INDL DIRECT INC COMMON 553530106 18753642 626165 626165 623765 2400 MACROVISION CORP COMMON 555904101 3910230 207000 207000 207000 MACROMEDIA INC COMMON 556100105 1390851 69300 69300 69300 MAGMA DESIGN AUTOMATION COMMON 559181102 39827034 1907425 1907425 1868660 38765 MANPOWER INC COMMON 56418H100 2001825 43050 43050 43050 MARCHEX INC COMMON 56624R108 1395550 214700 214700 206200 8500 MARINE PRODS CORP COMMON 568427108 54561 3900 3900 3900 MARSH & MCLENNAN COS INC COMMON 571748102 4630 100 100 100 MARTEK BIOSCIENCES CORP COMMON 572901106 74776860 1312796 1312796 1223001 89795 MARTEN TRANS LTD COMMON 573075108 21151522 1113238 1113238 1037003 76235 MASCO CORP COMMON 574599106 1202380 39500 39500 39500 MASSEY ENERGY CORP COMMON 576206106 110350 5000 5000 5000 MATRIXONE INC COMMON 57685P304 14520 2000 2000 2000 MAXTOR CORP COMMON 577729205 541975 66500 66500 62900 3600 MAXIM INTEGRATED PRODS I COMMON 57772K101 21544528 458687 458687 454312 4375 MAVERICK TUBE CORP COMMON 577914104 8180093 347350 347350 345250 2100 --------- --------- --------- -------- ------ --------- ------ ------- COLUMN TOTALS 201987710 6539198 6539198 6273378 265820
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 21
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ MCCORMICK & CO INC COMMON 579780206 46928 1400 1400 1400 MCDATA CORP COMMON 580031102 1603728 233100 233100 233100 MCDATA CORP COMMON 580031201 41976028 5962504 5962504 5642279 320225 MCGRAW HILL COS INC COMMON 580645109 30855659 405249 405249 398429 6820 MEASUREMENT SPECIALTIES COMMON 583421102 3792182 195675 195675 194475 1200 MEDCO HEALTH SOLUTIONS I COMMON 58405U102 715088 21032 21032 12 21020 MEDICINES CO COMMON 584688105 8603291 267100 267100 265000 2100 MEDICIS PHARMACEUTICAL C COMMON 584690309 2252000 56300 56300 56300 MEDTRONIC INC COMMON 585055106 37203840 779138 779138 738162 40976 MENTOR GRAPHICS CORP COMMON 587200106 24958140 1400569 1400569 1380419 20150 MERCK & CO INC COMMON 589331107 59657 1350 1350 1350 MERCURY INTERACTIVE CORP COMMON 589405109 3958080 88350 88350 84925 3425 MERGE TECHNOLOGIES INC COMMON 589981109 24769 1700 1700 1700 MERIX CORP COMMON 590049102 23282516 1261925 1261925 1243300 18625 MERRILL LYNCH & CO INC COMMON 590188108 17983666 301942 301942 298442 3500 MESA AIR GROUP INC COMMON 590479101 6098425 739203 739203 732203 7000 METROLOGIC INSTRS INC COMMON 591676101 117000 5000 5000 5000 MICHAELS STORES INC COMMON 594087108 127871 2630 2630 2630 MICROSOFT CORP COMMON 594918104 68045413 2729459 2729459 2457508 271951 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 271704278 14453626 14453626 13731634 721992
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 22
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ MICROSTRATEGY INC COMMON 594972408 33541690 629300 629300 604750 24550 MICROMUSE INC COMMON 595094103 35836694 4594448 4594448 4330468 263980 MICROSEMI CORP COMMON 595137100 22705599 1659766 1659766 1639966 19800 MIDDLEBY CORP COMMON 596278101 10779756 236450 236450 235150 1300 MILLENNIUM PHARMACEUTICA COMMON 599902103 142399 8426 8426 6164 2262 MILLIPORE CORP COMMON 601073109 472696 9200 9200 9200 MINDSPEED TECHNOLOGIES I COMMON 602682106 10795396 1653200 1653200 1636950 16250 MISSION RESOURCES CORP COMMON 605109107 38675 11900 11900 11900 MOBIUS MGMT SYSTEMS INC COMMON 606925105 20999 2300 2300 2300 MOBILE TELESYSTEMS OJSC COMMON 607409109 4964125 37750 37750 35250 2500 MODEM MEDIA INC COMMON 607533106 6490 1000 1000 1000 MOLEX INC COMMON 608554101 23096 760 760 760 MONSANTO CO NEW COMMON 61166W101 3117 85 85 85 MONSTER WORLDWIDE INC COMMON 611742107 96940 3700 3700 3700 MOVIE GALLERY INC COMMON 624581104 3417084 174430 174430 174430 NBTY INC COMMON 628782104 80483100 2164688 2164688 2035408 129280 NEC CORP COMMON 629050204 2533815 308250 308250 308250 NATIONAL FINL PARTNERS C COMMON 63607P208 4998750 155000 155000 154700 300 NATIONAL SEMICONDUCTOR C COMMON 637640103 6171327 138900 138900 120900 18000 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 217031748 11789553 11789553 11311331 478222
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 23
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ NEIMAN MARCUS GROUP INC COMMON 640204301 25677 512 512 512 NEOPHARM INC COMMON 640919106 10655868 568010 568010 530640 37370 NET2PHONE COMMON 64108N106 9869 1920 1920 1920 NETFLIX COM INC COMMON 64110L106 57228657 1677276 1677276 1601267 76009 NETSCREEN TECHNOLOGIES I COMMON 64117V107 19268158 529345 529345 526800 2545 NEWCASTLE INVT CORP COMMON 65105M108 773415 22950 22950 18450 4500 NEWFIELD EXPL CO COMMON 651290108 119825 2500 2500 2500 NEWMONT MINING CORP HLDG COMMON 651639106 731392 15685 15685 9325 6360 NEWS CORP LTD COMMON 652487703 1698256 47200 47200 47200 NEXTEL COMMUNICATIONS IN COMMON 65332V103 468540 19000 19000 16250 2750 NIPPON TELEG & TEL CORP COMMON 654624105 3647358 128700 128700 128700 NOKIA CORP COMMON 654902204 8301375 409338 409338 303610 105728 NOBLE ENERGY INC COMMON 655044105 164850 3500 3500 3500 NORTEL NETWORKS CORP NEW COMMON 656568102 6528 1099 1099 1099 NORTH AMERN PALLADIUM LT COMMON 656912102 167276 14200 14200 14200 NOVATEL WIRELESS INC COMMON 66987M604 871825 40550 40550 40550 NOVARTIS A G COMMON 66987V109 22153193 520028 520028 503168 16860 NOVELL INC COMMON 670006105 32287552 2837219 2837219 2532064 305155 OM GROUP INC COMMON 670872100 76000 2500 2500 2500 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 158655613 6841532 6841532 6284255 557277
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 24
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ NUVEEN INVTS INC COMMON 67090F106 18778 674 674 674 ODYSSEY HEALTHCARE INC COMMON 67611V101 9144648 484870 484870 482140 2730 OFFSHORE LOGISTICS INC COMMON 676255102 1018003 44165 44165 32065 12100 OLD DOMINION FGHT LINES COMMON 679580100 21049694 622772 622772 615732 7040 OMNICARE INC COMMON 681904108 1455132 32825 32825 32825 ONLINE RES CORP COMMON 68273G101 1657565 278115 278115 256665 21450 ONYX PHARMACEUTICALS INC COMMON 683399109 188279 4650 4650 4650 OPEN JT STK CO-VIMPEL CO COMMON 68370R109 8129418 78175 78175 45675 32500 OPENWAVE SYS INC COMMON 683718308 504265 37801 37801 37801 OPEN SOLUTIONS INC COMMON 68371P102 13849697 627535 627535 617445 10090 ORACLE CORP COMMON 68389X105 3000 250 250 250 ORASURE TECHNOLOGIES INC COMMON 68554V108 223905 21550 21550 21550 ORBITZ INC COMMON 68556Y100 143455 6025 6025 4970 1055 ORTHOLOGIC CORP COMMON 68750J107 225 29 29 29 OSHKOSH TRUCK CORP COMMON 688239201 726885 13050 13050 13050 OVERNITE CORP COMMON 690322102 296125 12875 12875 8740 4135 OVERSEAS SHIPHOLDING GRO COMMON 690368105 29200 800 800 800 OXYGEN SER A 3 COMMON 692990104 0 41191 41191 41191 PC-TEL INC COMMON 69325Q105 487576 47200 47200 47200 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 58925850 2354552 2354552 2222261 132291
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 25
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ P F CHANGS CHINA BISTRO COMMON 69333Y108 6941886 137900 137900 137900 PPL CORP COMMON 69351T106 22800 500 500 500 PACIFICARE HEALTH SYS DE COMMON 695112102 284760 7200 7200 7200 PACKETEER INC COMMON 695210104 3658380 277150 277150 266550 10600 PALMONE INC COMMON 69713P107 5326139 248885 248885 248100 785 PAN AMERICAN SILVER CORP COMMON 697900108 89100 5000 5000 5000 PATTERSON UTI ENERGY INC COMMON 703481101 31583772 891945 891945 826800 65145 PEABODY ENERGY CORP COMMON 704549104 218597 4700 4700 4500 200 PEAPACK-GLADSTONE FINL C COMMON 704699107 148984 4400 4400 4400 PENWEST PHARMACEUTICALS COMMON 709754105 12715799 870349 870349 862349 8000 PEPSICO INC COMMON 713448108 784864 14575 14575 575 14000 PERKINELMER INC COMMON 714046109 1858479 89825 89825 89825 PETCO ANIMAL SUPPLIES COMMON 716016209 3612676 128200 128200 128200 PFIZER INC COMMON 717081103 9109495 259900 259900 205155 54745 PHELPS DODGE CORP COMMON 717265102 204150 2500 2500 2500 PHOTON DYNAMICS INC COMMON 719364101 23916974 732975 732975 729425 3550 PHOTRONICS INC COMMON 719405102 14175505 800876 800876 791376 9500 PITNEY BOWES INC COMMON 724479100 51132 1200 1200 1200 PLACER DOME INC COMMON 725906101 201983 11240 11240 10000 1240 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 114905476 4489320 4489320 4317155 172165
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 26
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ PLANTRONICS INC NEW COMMON 727493108 6681764 182512 182512 179412 3100 POGO PRODUCING CO COMMON 730448107 3908583 85210 85210 82315 2895 POWERWAVE TECHNOLOGIES I COMMON 739363109 123630 15850 15850 15850 POZEN INC COMMON 73941U102 40078 2900 2900 2900 PRAXAIR INC COMMON 74005P104 1791411 48260 48260 26260 22000 PRECISION DRILLING CORP COMMON 74022D100 9316 200 200 200 PRENTISS PPTYS TR COMMON 740706106 223245 6050 6050 3650 2400 PRICELINE COM INC COMMON 741503403 9951206 369110 369110 359615 9495 PRIDE INTL INC DEL COMMON 74153Q102 1595110 93500 93500 93500 PRINCETON REVIEW INC COMMON 742352107 1703754 196285 196285 182765 13520 PROCTER & GAMBLE CO COMMON 742718109 498704 4755 4755 1275 3480 PROGENICS PHARMACEUTICAL COMMON 743187106 49504 2600 2600 2600 PROTEIN DESIGN LABS INC COMMON 74369L103 28103527 1179829 1179829 1153379 26450 PROVIDENCE SVC CORP COMMON 743815102 19602 1100 1100 1100 PROVINCE HEALTHCARE CO COMMON 743977100 5531101 347868 347868 340468 7400 PSYCHIATRIC SOLUTIONS IN COMMON 74439H108 961661 51125 51125 51125 PUBLIC SVC ENTERPRISE GR COMMON 744573106 244296 5200 5200 5200 QLOGIC CORP COMMON 747277101 7336956 222332 222332 213382 8950 QUALITY DISTR INC FLA COMMON 74756M102 79102 5630 5630 4960 670 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 68852550 2820316 2820316 2718856 101460
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 27
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ QUANTA SVCS INC COMMON 74762E102 312936 44200 44200 44200 QUEST SOFTWARE INC COMMON 74834T103 86132013 5268013 5268013 4927813 340200 QUIKSILVER INC COMMON 74838C106 3131651 143325 143325 142425 900 RANDGOLD RES LTD COMMON 752344309 334390 17000 17000 8200 8800 RANDGOLD & EXPL LTD COMMON 753009307 245315 21500 21500 11150 10350 RARE HOSPITALITY INTL IN COMMON 753820109 28512431 1027475 1027475 1025075 2400 UTD SPORTS SURF OF AMER COMMON 755990108 250000 1250000 1250000 1250000 RED HAT INC COMMON 756577102 31132598 1350655 1350655 1209950 140705 RED ROBIN GOURMET BURGER COMMON 75689M101 11509367 405545 405545 389220 16325 REGENERX BIOPHARMACEUTIC COMMON 75886X108 1597799 1037532 1037532 1037532 REGENERX WARRANTS JCM COMMON 758990105 0 26316(W) 26316 26316 REGENERX BIOPHAMA RESTR COMMON 758992101 100000 105263 105263 105263 RESMED INC COMMON 761152107 57101497 1263587 1263587 1183862 79725 RESPIRONICS INC COMMON 761230101 201225 3725 3725 2925 800 RIO TINTO PLC COMMON 767204100 100580 1000 1000 1000 ROCHE HLDG LTD COMMON 771195104 9768 100 100 100 ROCKWELL AUTOMATION INC COMMON 773903109 14173096 408800 408800 372300 36500 ROHM & HAAS CO COMMON 775371107 23904 600 600 600 ROPER INDS INC NEW COMMON 776696106 31216158 646967 646967 642467 4500 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 266084727 13021603 13021603 12380398 641205
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 28
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ ROYAL DUTCH PETE CO COMMON 780257804 427459 8984 8984 2584 6400 ROYAL GOLD INC COMMON 780287108 301070 17000 17000 8200 8800 RUBY TUESDAY INC COMMON 781182100 7483202 232759 232759 229159 3600 RYANAIR HLDGS PLC COMMON 783513104 2113797 61825 61825 58175 3650 RYLAND GROUP INC COMMON 783764103 14365232 161716 161716 158691 3025 SBC COMMUNICATIONS INC COMMON 78387G103 13497 550 550 150 400 SI INTL INC COMMON 78427V102 43909 1900 1900 1900 SAFEWAY INC COMMON 786514208 2058 100 100 100 ST JUDE MED INC COMMON 790849103 953523 13225 13225 13225 ST MARY LD & EXPL CO COMMON 792228108 254068 7600 7600 6700 900 SAP AKTIENGESELLSCHAFT COMMON 803054204 707580 18000 18000 18000 STAGECAST SER B COMMON 80589M102 0 294118 294118 294118 SCHEIN HENRY INC COMMON 806407102 16116602 226071 226071 214211 11860 SCHLUMBERGER LTD COMMON 806857108 69727967 1092059 1092059 1021734 70325 SECURE COMPUTING CORP COMMON 813705100 18734544 1147950 1147950 1130850 17100 SELECT MEDICAL CORP COMMON 816196109 5394100 323000 323000 317200 5800 SELECTICA INC COMMON 816288104 956 175 175 175 SEMICONDUCTOR MFG INTL C COMMON 81663N206 1573420 104200 104200 95300 8900 SEMTECH CORP COMMON 816850101 6182364 270800 270800 265200 5600 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 144395346 3982032 3982032 3523554 458478
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 29
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ SEPRACOR INC COMMON 817315104 1358825 28250 28250 28250 SIGMATEL INC COMMON 82661W107 14024 630 630 630 SILICON LABORATORIES INC COMMON 826919102 745608 14100 14100 14100 SILICON STORAGE TECHNOLO COMMON 827057100 709112 54800 54800 54800 SILICON IMAGE INC COMMON 82705T102 1469056 142075 142075 139125 2950 SILVER STD RES INC COMMON 82823L106 70664 4400 4400 4400 SIRIUS SATELLITE RADIO I COMMON 82966U103 1578773 464345 464345 348895 115450 SIRVA INC COMMON 82967Y104 28066153 1163605 1163605 1140425 23180 SITARA NETWORKS CNV COM COMMON 829991108 24886 20482 20482 20482 SKYWORKS SOLUTIONS INC COMMON 83088M102 23827806 2041800 2041800 2025900 15900 SMITH INTL INC COMMON 832110100 31421072 587200 587200 550970 36230 SOFTECH INC COMMON 834021107 11160 31000 31000 31000 SOLID (EURO DENOM) RSTR COMMON 834993107 158150 1387285 1387285 1387285 SONIC FDRY INC COMMON 83545R108 693940 314000 314000 314000 SONOCO PRODS CO COMMON 835495102 12140 500 500 500 SONUS NETWORKS INC COMMON 835916107 5046669 1331575 1331575 1321300 10275 SOUTHERN CO COMMON 842587107 256200 8400 8400 8400 SPANISH BROADCASTING SYS COMMON 846425882 8976811 859025 859025 859025 STAKTEK HLDGS INC COMMON 85256P106 22055402 1800441 1800441 1687241 113200 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 126496451 10253913 10253913 8514231 1739682
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 30
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ STAPLES INC COMMON 855030102 9875 390 390 390 STARBUCKS CORP COMMON 855244109 945993 24980 24980 24980 STATE STR CORP COMMON 857477103 76892 1475 1475 1475 STERICYCLE INC COMMON 858912108 22866177 476776 476776 458721 18055 STILLWATER MNG CO COMMON 86074Q102 84780 5400 5400 5400 STONEPATH GROUP INC COMMON 861837102 2676346 689780 689780 680080 9700 STORAGE TECHNOLOGY CORP COMMON 862111200 9873388 354775 354775 354775 STRATASYS INC COMMON 862685104 2095853 110250 110250 110250 STRYKER CORP COMMON 863667101 6969170 78721 78721 77860 861 SUPERCONDUCTOR TECH S3 COMMON 867931107 267812 116440 116440 116440 SUPPORTSOFT INC COMMON 868587106 33530746 3045481 3045481 2908581 136900 SYMANTEC CORP COMMON 871503108 29575051 638770 638770 632470 6300 SYMBION INC DEL COMMON 871507109 9180905 505835 505835 499905 5930 TECO ENERGY INC COMMON 872375100 122526 8375 8375 8375 TJX COS INC NEW COMMON 872540109 16697435 679863 679863 625163 54700 TXU CORP COMMON 873168108 42990 1500 1500 1500 TAIWAN SEMICONDUCTOR MFG COMMON 874039100 1707754 163578 163578 157752 5826 TELIK INC COMMON 87959M109 22076732 822531 822531 734006 88525 TERADYNE INC COMMON 880770102 19064 800 800 800 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 158819489 7725720 7725720 7398923 326797
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 31
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ TEVA PHARMACEUTICAL INDS COMMON 881624209 78655921 1241217 1241217 1145001 96216 TESSERA TECHNOLOGIES INC COMMON 88164L100 12420635 680210 680210 653160 27050 TEXAS INSTRS INC COMMON 882508104 1078510 36910 36910 32885 4025 THERMO ELECTRON CORP COMMON 883556102 1874964 66300 66300 66300 3COM CORP COMMON 885535104 12599551 1784639 1784639 1616564 168075 3M CO COMMON 88579Y101 19341869 236251 236251 228317 7934 TIBCO SOFTWARE INC COMMON 88632Q103 19135978 2342225 2342225 2098425 243800 TIME WARNER INC COMMON 887317105 66260 3930 3930 3930 TITANIUM METALS CORP COMMON 888339207 99700 1000 1000 1000 TIVO INC COMMON 888706108 3734 420 420 420 TODCO COMMON 88889T107 365000 25000 25000 21500 3500 TOTAL S A COMMON 89151E109 15272 166 166 166 TRACTOR SUPPLY CO COMMON 892356106 4936800 127500 127500 127500 TRANSMETA CORP DEL COMMON 89376R109 1936044 488900 488900 488900 TRAVELERS PPTY CLASS A COMMON 89420G109 201255 11735 11735 11110 625 TRAVELERS PPTY CLASS B COMMON 89420G406 345 20 20 20 TRIBUNE CO NEW COMMON 896047107 326044 6464 6464 6464 TYCO INTL LTD NEW COMMON 902124106 3581 125 125 125 NOVERA OPTICS, INC SER C COMMON 903990109 300000 1234568 1234568 1234568 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 153361465 8287580 8287580 6501787 1785793
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 32
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ ULTRATECH INC COMMON 904034105 7892820 337300 337300 337300 UNION PAC CORP COMMON 907818108 2018925 33750 33750 26355 7395 UNITED PARCEL SERVICE IN COMMON 911312106 25757411 368806 368806 346404 22402 UNITED RENTALS INC COMMON 911363109 19542113 1099725 1099725 1088325 11400 UNITED STATES STL CORP N COMMON 912909108 93175 2500 2500 2500 UNITED TECHNOLOGIES CORP COMMON 913017109 1297693 15037 15037 1837 13200 UNITEDHEALTH GROUP INC COMMON 91324P102 5484102 85104 85104 82160 2944 URBAN OUTFITTERS INC COMMON 917047102 31554658 656568 656568 650768 5800 VALENCE TECHNOLOGY INC COMMON 918914102 193663 43325 43325 29525 13800 VARCO INTL INC DEL COMMON 922122106 3074127 170690 170690 168750 1940 VARIAN SEMICONDUCTOR EQU COMMON 922207105 6512192 155200 155200 155200 VARIAN MED SYS INC COMMON 92220P105 2724375 31565 31565 30075 1490 VELOCITY EXPRESS SERIS H COMMON 92257T202 896 1750 1750 1750 VERITAS SOFTWARE CO COMMON 923436109 83152 3090 3090 2090 1000 VERITY INC COMMON 92343C106 13669317 999950 999950 991650 8300 VERISIGN INC COMMON 92343E102 3783018 228030 228030 192525 35505 VERIZON COMMUNICATIONS COMMON 92343V104 1093825 29935 29935 29935 VERINT SYS INC COMMON 92343X100 3256860 105400 105400 105400 VIACOM INC/CL B COMMON 925524308 9607744 245033 245033 176869 68164 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 137640065 4612758 4612758 4419418 193340
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 33
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ VISHAY INTERTECHNOLOGY I COMMON 928298108 2239633 104950 104950 104950 VISTACARE INC COMMON 92839Y109 4746737 175545 175545 167520 8025 VITESSE SEMICONDUCTOR CO COMMON 928497106 7100 1000 1000 1000 W-H ENERGY SVCS INC COMMON 92925E108 6860227 474100 474100 471300 2800 WMS INDS INC COMMON 929297109 5513350 177850 177850 176750 1100 WABASH NATL CORP COMMON 929566107 25230854 1069104 1069104 1007654 61450 WAL MART STORES INC COMMON 931142103 38774385 649596 649596 634446 15150 WALGREEN CO COMMON 931422109 7414 225 225 225 WASTE CONNECTIONS INC COMMON 941053100 28316705 711475 711475 690335 21140 WEBEX COMMUNICATIONS INC COMMON 94767L109 7435473 250100 250100 250100 WEBMETHODS INC COMMON 94768C108 1966 210 210 210 WEBMD CORP COMMON 94769M105 4159009 467830 467830 463180 4650 WELLS FARGO & CO NEW COMMON 949746101 8449327 149097 149097 147297 1800 WESTELL TECHNOLOGIES INC COMMON 957541105 3344130 458100 458100 458100 WESTERN SILVER CORP COMMON 959531104 87672 10400 10400 10400 WESTERN WIRELESS CORP COMMON 95988E204 3521365 150550 150550 150550 WEYERHAEUSER CO COMMON 962166104 163750 2500 2500 2500 WILLIAMS CLAYTON ENERGY COMMON 969490101 58990 1700 1700 1700 WILLIAMS SONOMA INC COMMON 969904101 5130 150 150 150 ---------- --------- -------- -------- ------ --------- ------ -------- COLUMN TOTALS 138923216 4854482 4854482 4738367 116115
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 34
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ WINTRUST FINANCIAL CORP COMMON 97650W108 179931 3700 3700 3700 WIRELESS TELECOM GROUP I COMMON 976524108 23940 7600 7600 7600 WIRELESS FACILITIES INC COMMON 97653A103 6419667 583076 583076 535815 47261 WISCONSIN ENERGY CORP COMMON 976657106 32150 1000 1000 1000 WITNESS SYS INC COMMON 977424100 2115327 163725 163725 162725 1000 WRIGLEY WM JR CO COMMON 982526105 24057524 406927 406927 390577 16350 WYETH COMMON 983024100 43671 1163 1163 933 230 XM SATELLITE RADIO HLDGS COMMON 983759101 63369344 2268863 2268863 2098998 169865 XTO ENERGY INC COMMON 98385X106 15527320 615187 615187 585492 29695 XCEL ENERGY INC COMMON 98389B100 92612 5200 5200 5200 XILINX INC COMMON 983919101 2613936 69225 69225 48825 20400 XEROX CORP COMMON 984121103 5828 400 400 400 YAHOO INC COMMON 984332106 47771887 985597 985597 934497 51100 YUM BRANDS INC COMMON 988498101 6078 160 160 160 YUKOS CORP COMMON 98849W108 241600 4000 4000 4000 ZARLINK SEMICONDUCTOR IN COMMON 989139100 167384 42700 42700 42700 ZIMMER HLDGS INC COMMON 98956P102 14394994 195107 195107 194057 1050 ANDA NETWORKS SER D COMMON 9A999J3E8 124999 182215 182215 182215 AXSUN SER B COMMON 9B999N612 83334 333334 333334 333334 ---------- --------- -------- -------- ------ --------- ------ -------- COLUMN TOTALS 177271526 5869179 5869179 5012119 857060
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 35
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ HIRE.COM SER D COMMON 9B999Z482 96796 967961 967961 967961 VISTO SER E COMMON 9C999M851 6470 6470 6470 6470 SOLUS SER C COMMON 9C999M885 0 342466 342466 342466 NEOPHOTONICS (LIGHTWAVE) COMMON 9C999R777 0 500000 500000 500000 IDEALAB SER D COMMON 9J999F125 250000 25000 25000 25000 OBJECT FX SER E COMMON 9J999F224 75000 5000 5000 5000 CONTROL DELIVERY SER A COMMON 9M999C588 3000036 55825 55825 55825 GENEVA PROTEOMICS SER A COMMON 9M999C703 3300000 600000 600000 600000 MICROBIA SER B COMMON 9M999C844 1500003 483872 483872 483872 DIADEXUS SER C COMMON 9M999C877 4999998 645161 645161 645161 OPTICAL CROSSLINKS SER A COMMON 9M999C901 0 60024 60024 60024 TELL ME SER D COMMON 9M999M149 4000011 273001 273001 273001 METRO OPTIX SER B COMMON 9R999M007 0 1333334 1333334 1333334 CERETEK LLC COMMON 9S999F000 0 22700 22700 22700 FUSIONONE SER D COMMON 9T999C245 1750645 1289135 1289135 1289135 APPIAN SER D COMMON 9V999M578 72660 370714 370714 370714 DAIMLERCHRYSLER AG COMMON D1668R123 15235 365 365 365 ACE LTD COMMON G0070K103 14424754 338133 338133 322163 15970 AMDOCS LTD COMMON G02602103 2182488 78535 78535 68975 9560 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 35674095 7397696 7397696 414203 6983493
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 36
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ APEX SILVER MINES LTD COMMON G04074103 668904 29650 29650 29650 ASPEN INSURANCE HOLDINGS COMMON G05384105 23046 895 895 745 150 AXIS CAPITAL HOLDINGS COMMON G0692U109 33612741 1137487 1137487 1095362 42125 ACCENTURE LTD BERMUDA COMMON G1150G111 711760 28700 28700 28700 ENDURANCE SPECIALTY HLDG COMMON G30397106 11642904 327600 327600 311920 15680 EVEREST RE GROUP LTD COMMON G3223R108 140976 1650 1650 1650 MARVELL TECHNOLOGY GROUP COMMON G5876H105 42692263 949561 949561 936511 13050 NABORS INDUSTRIES LTD COMMON G6359F103 37211266 813361 813361 775196 38165 NOBLE CORPORATION COMMON G65422100 117757 3065 3065 3065 RENAISSANCE RE HLDGS LTD COMMON G7496G103 1799200 34600 34600 33600 1000 TRANSOCEAN INC COMMON G90078109 45740 1640 1640 521 1119 WEATHERFORD INTERNATIONA COMMON G95089101 13597672 323523 323523 304838 18685 WILLIS GROUP HOLDINGS LT COMMON G96655108 54151408 1455683 1455683 1367053 88630 XL CAP LTD COMMON G98255105 31760387 417680 417680 400925 16755 ALCON INC COMMON H01301102 2539913 40125 40125 39950 175 AUDIOCODES LTD COMMON M15342104 10561858 910505 910505 821155 89350 GIVEN IMAGING COMMON M52020100 573688 16750 16750 16750 TARO PHARMACEUTICAL INDS COMMON M8737E108 478418 8250 8250 8250 TOWER SEMICONDUCTOR LTD COMMON M87915100 5160061 736100 736100 736100 ---------- --------- -------- -------- ------ --------- ------ -------- COLUMN TOTALS 247489959 7236825 7236825 6911941 324884
FORM 13F 3/31/04 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 37
- ------------------------------------------------------------------------------------------------------------------------------------ ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 NAME OF ISSUER TITLE CUSIP FAIR SHARES OR INVESTMENT DISCRETION MANA- VOTING AUTHORITY OF NUMBER MARKET PRINCIPAL SHARED GERS CLASS VALUE AMOUNT SOLE SHARED OTHER SOLE SHARED NONE (A) (B) (C) (A) (B) (C) - ------------------------------------------------------------------------------------------------------------------------------------ ASML HLDG NV COMMON N07059111 5332197 290900 290900 290900 ROYAL CARIBBEAN CRUISES COMMON V7780T103 21638106 490660 490660 486575 4085 TEEKAY SHIPPING MARSHALL COMMON Y8564W103 68900 1000 1000 1000 ---------- --------- --------- -------- ------ --------- ------ -------- COLUMN TOTALS 27039203 782560 782560 778475 4085 ---------- --------- --------- -------- ------ --------- ------ -------- REPORT TOTALS 5410184473 234468744 234468744 207608715 26860029 ========== ========= ========= ======== ====== ========= ====== ========
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