-----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, Q9u1Qe4UbY2Ji6e8RR9p7CbIkR3Ct7BhUviVltWq7ggUf6hvRN3NzHYUqsWyoSce npi5isN0BEho3ZVMWn2WRA== 0001193125-04-005168.txt : 20040116 0001193125-04-005168.hdr.sgml : 20040116 20040116102107 ACCESSION NUMBER: 0001193125-04-005168 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20031231 FILED AS OF DATE: 20040116 EFFECTIVENESS DATE: 20040116 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: 04528728 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 ---------------------------- OMB APPROVAL ---------------------------- OMB NUMBER: 3235-0006 Expires: FEBRUARY 28, 1994 Estimated average burden hours per response.... 24.60 ---------------------------- ---------------------------- SEC USE ONLY ---------------------------- ---------------------------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20459 Form 13F INFORMATION REQUIRED OF INSTITUTIONAL INVESTMENT MANAGERS PURSUANT TO SECTION 13 (f) OF THE SECURITIES EXCHANGE ACT OF 1934 AND RULES THEREUNDER Report for the Calendar Year or Quarter Ended 12/31/03 - -------------------------------------------------------------------------------- (Please read instructions before preparing form.) - -------------------------------------------------------------------------------- If amended report check here: [_] Essex Investment Management Co., LLC - -------------------------------------------------------------------------------- Name of Institutional Investment Manager 125 HIGH STREET, 29TH FLOOR BOSTON, MA 02110 - -------------------------------------------------------------------------------- Business Address (Street) (City) (State) (Zip) Michael S. McCarthy Vice President (617) 342-3245 - -------------------------------------------------------------------------------- Name, Phone No., and Title of Person Duly Authorized to submit this Report. - ----------------------------------- ATTENTION ---------------------------------- INTENTIONAL MISSTATEMENT OR OMISSIONS OF FACTS CONSTITUTE FEDERAL CRIMINAL VIOLATIONS. SEE 18 U.S.C. 101 AND 15 U.S.C. 78ff(a). - -------------------------------------------------------------------------------- The institutional investment manager submitting this form and its attachments and the person by whom it is signed represent hereby that all information contained therein is true, correct and complete. It is understood that all required items, statements and schedules are considered integral parts of this Form and that the submission of any amendment represents that all unamended items, statements and schedules remain true, correct and complete as previously submitted. Pursuant to the requirements of Securities Exchange Act of 1934, the undersigned institutional investment manager has caused this report to be signed on its behalf in the city of BOSTON and State of MA on the 15/th/ day of January 2004. ESSEX INVESTMENT MANAGEMENT COMPANY, LLC ------------------------------------------ (Name of Institutional Investment Manager) /s/ Michael S. McCarthy ------------------------------------------ (Manual Signature of Person Duly Authorized to Submit This Report) Name and 13F file numbers of ALL Investment Managers with respect to which this schedule is filled (other than the one filing this report): (List in Page 2 of 2 alphabetical order). 13F File Number will be assigned to Institutional Investment Managers after they file their first report. Name: 13F File No: Name: 13F File No: - ---------------------- -------------- ------------------ ------------------ 1. AFFILIATED MANAGERS PENDING 6. GROUP, INC. - ---------------------- -------------- ------------------ ------------------ 2. 7. - ---------------------- -------------- ------------------ ------------------ 3. 8. - ---------------------- -------------- ------------------ ------------------ 4. 9. - ---------------------- -------------- ------------------ ------------------ 5. 10. - ---------------------- -------------- ------------------ ------------------ SEC 1685 (5/91)
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 1 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- ABX AIR INC COMMON 00080S101 97610 22700 22700 22700 A C MOORE ARTS & CRAFTS COMMON 00086T103 144932 7525 7525 7525 ATI TECHNOLOGIES INC COMMON 001941103 8000748 529150 529150 526000 3150 AT&T CORP COMMON 001957505 1303260 64200 64200 64200 ASA LTD (GOLD) COMMON 002050102 2288650 50300 50300 44500 5800 ATMI INC COMMON 00207R101 71951 3100 3100 3100 AT&T WIRELESS GROUP COMMON 00209A106 23970 3000 3000 3000 AU OPTRONICS CORP COMMON 002255107 13285770 1114578 1114578 1092165 22413 ABAXIS INC COMMON 002567105 1647547 91075 91075 91075 ABBOTT LABS COMMON 002824100 3901119 83715 83715 83715 ACUSPHERE INC COMMON 00511R870 2803621 319319 319319 314089 5230 ADOLOR CORP COMMON 00724X102 7577529 379066 379066 367166 11900 ADVANCED FIBRE COMMUNICA COMMON 00754A105 358670 17800 17800 17800 ADVANCED NEUROMODULATION COMMON 00757T101 10455852 227400 227400 227400 ADVANCED MEDICAL OPTICS COMMON 00763M108 6543 333 333 333 AEROFLEX INC COMMON 007768104 3849077 328700 328700 328700 AFFILIATED MANAGERS GROU COMMON 008252108 6989202 100434 100434 100434 AGERE SYS INC COMMON 00845V100 7612580 2495928 2495928 2472928 23000 AGNICO EAGLE MINES LTD COMMON 008474108 16898 1400 1400 1400 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 70435529 5839723 5839723 5767897 71826
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 2 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- AIRTRAN HLDGS INC COMMON 00949P108 26116192 2194638 2194638 2116028 78610 ALEXANDER & BALDWIN INC COMMON 014482103 286875 8500 8500 2200 6300 ALLERGAN INC COMMON 018490102 10813312 140780 140780 123680 17100 ALLIANCE DATA SYSTEMS CO COMMON 018581108 11092262 400732 400732 393632 7100 ALLIANT TECHSYSTEMS INC COMMON 018804104 10535135 182395 182395 179545 2850 ALTERA CORP COMMON 021441100 679500 30000 30000 30000 ALTIRIS INC COMMON 02148M100 7824960 214500 214500 214500 ALTRIA GROUP INC COMMON 02209S103 48978 900 900 900 AMAZON COM INC COMMON 023135106 20522 390 390 390 AMBAC FINL GROUP INC COMMON 023139108 41634 600 600 600 AMERICAN ELEC PWR INC COMMON 025537101 158652 5200 5200 5200 AMERICAN HEALTHWAYS INC COMMON 02649V104 11557854 484200 484200 484200 AMERICAN INTL GROUP INC COMMON 026874107 58079905 876281 876281 805168 71113 AMERICAN PWR CONVERSION COMMON 029066107 35323292 1441767 1441767 1314052 127715 AMGEN INC COMMON 031162100 30562384 494617 494617 443451 51166 AMIS HLDGS INC COMMON 031538101 855504 46800 46800 45100 1700 AMPHENOL CORP NEW COMMON 032095101 3523886 55121 55121 53821 1300 ANADARKO PETE CORP COMMON 032511107 46560959 912781 912781 853316 59465 ANALOG DEVICES INC COMMON 032654105 5282162 115710 115710 99410 16300 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 259363966 7605912 7605912 7164293 441619
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 3 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- ANAREN INC COMMON 032744104 3947599 279575 279575 276475 3100 ANDREW CORP COMMON 034425108 2112857 182300 182300 178600 3700 ANDRX CORP DEL COMMON 034553107 6406299 266485 266485 265200 1285 ANGLOGOLD LTD COMMON 035128206 642125 13750 13750 13750 ANHEUSER BUSCH COS INC COMMON 035229103 453048 8600 8600 8200 400 ANTHEM INC COMMON 03674B104 1353750 18050 18050 18050 ANTEON INTL CORP COMMON 03674E108 46865 1300 1300 1300 APACHE CORP COMMON 037411105 83338117 1027597 1027597 961102 66495 APOLLO GROUP INC COMMON 037604105 10741579 158407 158407 136582 21825 UNV PHOENIX ONLINE COMMON 037604204 7137426 103546 103546 103545 1 APPLIED FILMS CORP COMMON 038197109 13590207 411575 411575 405075 6500 APPLIED MATLS INC COMMON 038222105 10098 450 450 450 AQUANTIVE INC COMMON 03839G105 3931890 383599 383599 377399 6200 ARAMARK CORP COMMON 038521100 5484 200 200 200 ARIBA INC COMMON 04033V104 1068900 356300 356300 333250 23050 ARTHROCARE CORP COMMON 043136100 4187663 170925 170925 169925 1000 ASCENTIAL SOFTWARE CORP COMMON 04362P207 37062968 1428796 1428796 1388371 40425 ASPEN TECHNOLOGY INC COMMON 045327103 994194 96900 96900 96900 AT RD INC COMMON 04648K105 9100193 684225 684225 584600 99625 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 186131260 5592580 5592580 5318974 273606
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 4 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- ASYST TECHNOLOGY CORP COMMON 04648X107 29409199 1705870 1705870 1679115 26755 ATHEROGENICS INC COMMON 047439104 5190598 349300 349300 349300 ATMEL CORP COMMON 049513104 3740474 622375 622375 616575 5800 AUTODESK INC COMMON 052769106 8628563 351040 351040 315990 35050 AUTOMATIC DATA PROCESSIN COMMON 053015103 83181 2100 2100 300 1800 AVERY DENNISON CORP COMMON 053611109 1569 28 28 28 AVID TECHNOLOGY INC COMMON 05367P100 26282256 547547 547547 544447 3100 AVENTAIL SER E COMMON 053990107 2750000 2750000 2750000 2750000 AVON PRODS INC COMMON 054303102 6749 100 100 100 BJ SVCS CO COMMON 055482103 27421425 763828 763828 718873 44955 BP PLC COMMON 055622104 264911 5368 5368 1360 4008 BOWSTREET SER D COMMON 056990104 189584 208334 208334 208334 BAKER HUGHES INC COMMON 057224107 10101552 314103 314103 291471 22632 BANK ONE CORP COMMON 06423A103 23342 512 512 512 BARRICK GOLD CORP COMMON 067901108 775547 34150 34150 30400 3750 BARR PHARMACEUTICALS INC COMMON 068306109 2086038 27109 27109 27109 BAXTER INTL INC COMMON 071813109 32962 1080 1080 80 1000 BECTON DICKINSON & CO COMMON 075887109 592416 14400 14400 14400 BED BATH & BEYOND INC COMMON 075896100 29227090 674212 674212 661062 13150 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 146807455 8371456 8371456 5251122 3120334
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 5 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- BELLSOUTH CORP COMMON 079860102 37696 1332 1332 1332 BEMA GOLD CORP COMMON 08135F107 589806 158550 158550 158550 BENCHMARK ELECTRS INC COMMON 08160H101 7257885 208500 208500 208500 BENNETT ENVIRONMENTAL IN COMMON 081906109 128092 6200 6200 6200 BEVERLY ENTERPRISES INC COMMON 087851309 4973395 578975 578975 568875 10100 BIO IMAGING TECHNOLOGIES COMMON 09056N103 51709 8300 8300 8300 BIO RAD LABS INC COMMON 090572207 1324103 22960 22960 22960 BIOMET INC COMMON 090613100 659204 18200 18200 16700 1500 BIOMARIN PHARMACEUTICAL COMMON 09061G101 2259712 291200 291200 291200 BIOGEN IDEC INC COMMON 09062X103 25074431 683227 683227 654720 28507 BOCA RESORTS INC COMMON 09688T106 239360 16000 16000 16000 BOSTON COMMUNICATIONS GR COMMON 100582105 4582720 493296 493296 486996 6300 BOSTON PRIVATE FINL HLDG COMMON 101119105 3480208 140105 140105 137605 2500 BOSTON SCIENTIFIC CORP COMMON 101137107 1306009 35528 35528 35528 BRIGGS & STRATTON CORP COMMON 109043109 4074330 60450 60450 60450 BRIGHTPOINT INC COMMON 109473405 647738 37550 37550 37550 BROADCOM CORP COMMON 111320107 41385568 1216507 1216507 1112457 104050 BROCADE COMMUNICATIONS S COMMON 111621108 227154 39300 39300 39300 BROOKLINE BANCORP INC DE COMMON 11373M107 123656 8061 8061 8061 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 98422776 4024241 4024241 3871284 152957
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 6 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- BROOKS AUTOMATION INC COMMON 114340102 855234 36025 36025 34675 1350 BROWN TOM INC COMMON 115660201 1896300 58800 58800 53200 5600 BUFFALO WILD WINGS INC COMMON 119848109 521798 20170 20170 19010 1160 BURLINGTON RES INC COMMON 122014103 52611 950 950 950 C H ROBINSON WORLDWIDE I COMMON 12541W100 4259189 112350 112350 106400 5950 CNET NETWORKS INC COMMON 12613R104 20801 3050 3050 3050 CUNO INC COMMON 126583103 63042 1400 1400 1400 CABOT CORP COMMON 127055101 31840000 1000000 1000000 1000000 CABOT MICROELECTRONICS C COMMON 12709P103 7840000 160000 160000 160000 CACHE INC COMMON 127150308 10989221 527567 527567 513587 13980 CACI INTL INC COMMON 127190304 72930 1500 1500 1500 CALLIDUS SOFTWARE INC COMMON 13123E500 175308 9910 9910 8900 1010 CAMDEN NATL CORP COMMON 133034108 9108 300 300 300 CANADIAN GOLD MAPLE LEAF COMMON 135994101 72393 181 181 181 CANDELA CORP COMMON 136907102 2119788 116600 116600 116600 CARDIAC SCIENCE INC COMMON 141410209 340447 85325 85325 85325 CAREER EDUCATION CORP COMMON 141665109 17150525 426100 426100 421870 4230 CAREMARK RX INC COMMON 141705103 2771989 109435 109435 109435 CARMAX INC COMMON 143130102 34728606 1122813 1122813 1090263 32550 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 115779288 3792476 3792476 3726646 65830
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 7 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- CARTER INC COMMON 146229109 69733 2740 2740 2570 170 CASUAL MALE RETAIL GRP I COMMON 148711104 105835 15250 15250 15250 CATERPILLAR INC DEL COMMON 149123101 2488109 29970 29970 29470 500 CENDANT CORP COMMON 151313103 265013 11900 11900 11900 CENTRAL FGHT LINES INC N COMMON 153491105 3407468 191970 191970 187840 4130 CERTEGY INC COMMON 156880106 2028680 61850 61850 61850 CHESAPEAKE ENERGY CORP COMMON 165167107 6014582 442900 442900 442900 CHEVRONTEXACO CORP COMMON 166764100 387200 4482 4482 4482 CHICAGO MERCANTILE HLDGS COMMON 167760107 2710606 37460 37460 36010 1450 CHICAGO PIZZA & BREWERY COMMON 167889104 14920 1000 1000 1000 CHICOS FAS INC COMMON 168615102 1311725 35500 35500 35500 CHINA LIFE INS CO LTD COMMON 16939P106 1299018 39400 39400 39400 CHINA TELECOM CORP LTD COMMON 169426103 61032334 1495524 1495524 1364129 131395 CHIRON CORP COMMON 170040109 1133902 19900 19900 19900 CHROMAGEN SER F COMMON 170990105 500000 470588 470588 470588 CHUBB CORP COMMON 171232101 149820 2200 2200 2200 CHUNGHWA TELECOM CO LTD COMMON 17133Q205 11557 797 797 797 CINERGY CORP COMMON 172474108 194050 5000 5000 5000 CIRRUS LOGIC INC COMMON 172755100 2932966 381400 381400 381400 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 86057517 3249831 3249831 2639398 610433
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 8 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- CISCO SYS INC COMMON 17275R102 49775107 2054276 2054276 1921864 132412 CITADEL BROADCASTING COR COMMON 17285T106 32437 1450 1450 1180 270 CITIGROUP INC COMMON 172967101 32911916 678037 678037 657555 20482 CITY NATL CORP COMMON 178566105 1380617 22225 22225 22225 CITY TELECOM H K LTD COMMON 178677209 705620 96700 96700 96700 CLEAR CHANNEL COMMUNICAT COMMON 184502102 117450 2508 2508 2508 COACH INC COMMON 189754104 264250 7000 7000 7000 COCA COLA CO COMMON 191216100 77698 1531 1531 1201 330 COGNEX CORP COMMON 192422103 4863051 171900 171900 171900 COGNIZANT TECHNOLOGY SOL COMMON 192446102 8740060 191500 191500 191500 COGNOS INC COMMON 19244C109 1861088 60800 60800 59925 875 COLDWATER CREEK INC COMMON 193068103 14896035 1354185 1354185 1332360 21825 COLGATE PALMOLIVE CO COMMON 194162103 12778616 255317 255317 245717 9600 COLONIAL BANCGROUP INC COMMON 195493309 618566 35714 35714 35714 COMCAST CORP - CL A COMMON 20030N101 1511619 46100 46100 46100 COMCAST CORP - SP A COMMON 20030N200 14229347 454757 454757 444142 10615 COMMERCE BANCORP INC NJ COMMON 200519106 52680 1000 1000 1000 COMMERCE BANCSHARES INC COMMON 200525103 7692807 156932 156932 156932 COMPANIA DE MINAS BUENAV COMMON 204448104 1203314 42550 42550 42550 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 153712277 5634482 5634482 5438073 196409
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 9 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- COMVERSE TECHNOLOGY INC COMMON 205862402 3724243 211725 211725 202555 9170 CONCORD COMMUNICATIONS I COMMON 206186108 1051609 53300 53300 53300 COORS ADOLPH CO COMMON 217016104 39270 700 700 700 COPART INC COMMON 217204106 54780 3300 3300 3300 CORPORATE EXECUTIVE BRD COMMON 21988R102 16759990 359117 359117 358117 1000 COST PLUS INC CALIF COMMON 221485105 9157391 223351 223351 219016 4335 COSTCO WHSL CORP NEW COMMON 22160K105 2672796 71888 71888 61341 10547 COSTAR GROUP INC COMMON 22160N109 27094784 649755 649755 621920 27835 COTT CORP QUE COMMON 22163N106 308110 11000 11000 11000 COX COMMUNICATIONS INC N COMMON 224044107 15916 462 462 462 CRAY INC COMMON 225223106 32880484 3311227 3311227 3096817 214410 CTRIP COM INTL LTD COMMON 22943F100 418323 12300 12300 12300 CUMMINS INC COMMON 231021106 25476892 520574 520574 488724 31850 CUMULUS MEDIA INC COMMON 231082108 12823602 582891 582891 570586 12305 CUTTER & BUCK INC COMMON 232217109 67896 7200 7200 7200 CYBERONICS INC COMMON 23251P102 19505792 609556 609556 600881 8675 CYMER INC COMMON 232572107 8859242 191800 191800 191800 CYPRESS SEMICONDUCTOR CO COMMON 232806109 685656 32100 32100 32100 CYTYC CORP COMMON 232946103 7756711 560456 560456 551256 9200 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 169353486 7412702 7412702 7083375 329327
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 10 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- ITF OPTICAL TECH COMMON 232991109 970870 425820 425820 425820 D R HORTON INC COMMON 23331A109 890075 20575 20575 20575 DTE ENERGY CO COMMON 233331107 29550 750 750 750 DEERE & CO COMMON 244199105 3142435 48308 48308 42070 6238 DELL INC COMMON 24702R101 53204899 1565771 1565771 1464036 101735 DENDREON CORP COMMON 24823Q107 8060 1000 1000 1000 DEVON ENERGY CORP NEW COMMON 25179M103 1503075 26250 26250 26250 DICKS SPORTING GOODS INC COMMON 253393102 7084896 145600 145600 145600 DIEBOLD INC COMMON 253651103 17603962 326786 326786 312386 14400 DIGENE CORP COMMON 253752109 7141810 178100 178100 178100 DIGITAL INSIGHT CORP COMMON 25385P106 2949465 118500 118500 118500 DIGITAL RIV INC COMMON 25388B104 1486225 67250 67250 67250 DIGITALNET HLDGS INC COMMON 25389B103 398403 20410 20410 18530 1880 DIGITAL THEATER SYS INC COMMON 25389G102 15600130 631840 631840 581280 50560 DISCOVERY LABORATORIES I COMMON 254668106 9247932 881595 881595 877995 3600 DISNEY WALT CO COMMON 254687106 2516724 107875 107875 92575 15300 DOLLAR TREE STORES INC COMMON 256747106 17595881 585164 585164 578864 6300 DOT HILL SYS CORP COMMON 25848T109 56832059 3751291 3751291 3529111 222180 DOUBLECLICK INC COMMON 258609304 8212705 797350 797350 797350 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 206419154 9700235 9700235 8852222 848013
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 11 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- DU PONT E I DE NEMOURS & COMMON 263534109 123903 2700 2700 300 2400 DUKE ENERGY CORP COMMON 264399106 27403 1340 1340 1340 DUKE REALTY CORP COMMON 264411505 72726 2346 2346 2346 DURECT CORP COMMON 266605104 2189500 875800 875800 875800 DYAX CORP COMMON 26746E103 8908969 1093125 1093125 1090025 3100 EGL INC COMMON 268484102 1283340 73000 73000 69550 3450 E M C CORP MASS COMMON 268648102 65717877 5086523 5086523 4752081 334442 ENSCO INTL INC COMMON 26874Q100 11093158 408287 408287 402137 6150 EOG RES INC COMMON 26875P101 2848689 61700 61700 61700 EPIX MEDICAL INC COMMON 26881Q101 5280011 324325 324325 322425 1900 EPIQ SY INC COMMON 26882D109 4679752 273350 273350 268850 4500 ESS TECHNOLOGY INC COMMON 269151106 9909757 581900 581900 572125 9775 EBAY RESTRICTED RULE 145 COMMON 278642103 42381253 655955 655955 630731 25224 ECHOSTAR COMMUNICATIONS COMMON 278762109 32121 945 945 945 EDO CORP COMMON 281347104 86275 3500 3500 3500 EDUCATION MGMT CORP COMMON 28139T101 2971770 95740 95740 90500 5240 EDWARDS LIFESCIENCES COR COMMON 28176E108 4991776 165950 165950 165950 EL PASO CORP COMMON 28336L109 819 100 100 100 ELECTRONIC ARTS INC COMMON 285512109 8566189 179660 179660 178920 740 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 171165286 9886246 9886246 9489325 396921
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 12 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- EMERSON ELEC CO COMMON 291011104 43124 666 666 666 ENDO PHARMACEUTICALS HLD COMMON 29264F205 570152 29450 29450 29450 ENERGY CONVERSION DEVICE COMMON 292659109 284445 31500 31500 31500 ENDOLOGIX INC COMMON 29266S106 75248 19050 19050 19050 ENGINEERED SUPPORT SYS I COMMON 292866100 4575486 83100 83100 83100 ENDOCARDIAL SOLUTIONS IN COMMON 292962107 1152560 160100 160100 160100 ENTRAVISION COMMUNICATIO COMMON 29382R107 490620 44200 44200 44200 EQUIFAX INC COMMON 294429105 5514583 225085 225085 220275 4810 EQUINIX INC COMMON 29444U502 2458502 87150 87150 87150 EQUITY OFFICE PROPERTIES COMMON 294741103 54378 1898 1898 1898 ESPEED INC COMMON 296643109 7433768 316600 316600 314700 1900 ESPERION THERAPEUTICS IN COMMON 29664R106 6652784 192277 192277 188877 3400 MICROBIA SER C COMMON 297991101 450004 109490 109490 109490 EVERGREEN RES INC COMMON 299900308 1501962 46200 46200 46200 EXACT SCIENCES CORP COMMON 30063P105 4949399 489071 489071 480571 8500 EXAR CORP COMMON 300645108 7018638 409250 409250 399200 10050 EXCEL TECHNOLOGY INC COMMON 30067T103 2795565 85075 85075 84175 900 EXELON CORP COMMON 30161N101 66360 1000 1000 1000 EXPEDITORS INTL WASH INC COMMON 302130109 2078267 55185 55185 52450 2735 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 48165841 2386347 2386347 2244562 141785
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 13 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- EXXON MOBIL CORP COMMON 30231G102 1355173 33053 33053 20595 12458 FLIR SYS INC COMMON 302445101 6876600 188400 188400 184600 3800 FPL GROUP INC COMMON 302571104 413782 6325 6325 5825 500 FAIRCHILD SEMICONDUCTOR COMMON 303726103 17360742 695264 695264 679544 15720 FAMILY DLR STORES INC COMMON 307000109 589329 16425 16425 16425 FASTENAL CO COMMON 311900104 1278575 25700 25700 25700 FEDERAL NATL MTG ASSN COMMON 313586109 259557 3458 3458 3258 200 FEDEX CORP COMMON 31428X106 57046815 845138 845138 798143 46995 FELCOR LODGING TR INC COMMON 31430F101 27700 2500 2500 2500 F5 NETWORKS INC COMMON 315616102 5966270 237700 237700 237700 FINISH LINE INC COMMON 317923100 5445069 181684 181684 181684 FIRST DATA CORP COMMON 319963104 1479 36 36 36 ONIX MICROSYSTEMS SER C COMMON 335990107 0 4 4 4 FLEETBOSTON FINL CORP COMMON 339030108 65475 1500 1500 1500 FORD MTR CO DEL COMMON 345370860 6624 414 414 414 FOREST LABS INC COMMON 345838106 116406789 1883605 1883605 1784025 99580 FOREST OIL CORP COMMON 346091705 9379674 328305 328305 316705 11600 FORMFACTOR INC COMMON 346375108 3522717 177915 177915 175025 2890 FOX ENTMT GROUP INC COMMON 35138T107 102754 3525 3525 3525 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 226105124 4630951 4630951 4437204 193747
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 14 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- FREEPORT-MCMORAN COPPER COMMON 35671D857 1304977 30975 30975 28325 2650 PHOTONEX SER C COMMON 359992104 0 2049012 2049012 2049012 GABLES RESIDENTIAL TR COMMON 362418105 17370 500 500 500 GEN-PROBE INC NEW COMMON 36866T103 16053182 440175 440175 440175 GEMSTAR-TV GUIDE INTL IN COMMON 36866W106 25365 5000 5000 5000 GENENTECH INC COMMON 368710406 27977430 299000 299000 292500 6500 GENERAL ELEC CO COMMON 369604103 20241031 653358 653358 638634 14724 GENZYME CORP GENL DIV COMMON 372917104 23620705 479219 479219 465304 13915 GETTY IMAGES INC COMMON 374276103 18237795 363810 363810 348385 15425 GILEAD SCIENCES INC COMMON 375558103 54586097 936618 936618 873125 63493 GILLETTE CO COMMON 375766102 71109 1936 1936 410 1526 GLAMIS GOLD LTD COMMON 376775102 637720 37250 37250 37250 GLOBAL PMTS INC COMMON 37940X102 10530707 223487 223487 213267 10220 GLOBESPANVIRATA INC COMMON 37957V106 11328180 1936441 1936441 1920441 16000 GOLDCORP INC NEW COMMON 380956409 269555 16900 16900 16900 GOLDEN TELECOM INC COMMON 38122G107 1572411 56460 56460 22425 34035 GOLDMAN SACHS GROUP INC COMMON 38141G104 38765841 392645 392645 364720 27925 GRAND CENTRAL SER A 3 COMMON 384990107 0 50910 50910 50910 GRAND CENTRAL SER B 3 COMMON 384991105 0 105071 105071 105071 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 225239475 8078767 8078767 5667361 2411406
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 15 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- GRANT PRIDECO INC COMMON 38821G101 10961864 841925 841925 837525 4400 GUIDANT CORP COMMON 401698105 18702575 310674 310674 307174 3500 GUITAR CTR MGMT INC COMMON 402040109 39168 1200 1200 1200 GULFTERRA ENERGY PARTNER COMMON 40274U108 416304 9800 9800 9800 GYMBOREE CORP COMMON 403777105 1424146 82655 82655 59405 23250 HCC INS HLDGS INC COMMON 404132102 17937744 564080 564080 552895 11185 HALLIBURTON CO COMMON 406216101 1300 50 50 50 HARMONY GOLD MNG LTD COMMON 413216300 678414 41800 41800 41800 HARRIS & HARRIS GROUP IN COMMON 413833104 5087901 441275 441275 396925 44350 HARVEST NATURAL RESOURCE COMMON 41754V103 6327703 635950 635950 630350 5600 CONTINENTAL POTASH CO COMMON 421730094 1 1204 1204 1204 HECLA MNG CO COMMON 422704106 1519972 183350 183350 166400 16950 HEINZ H J CO COMMON 423074103 32787 900 900 900 HELIX TECHNOLOGY CORP COMMON 423319102 4974186 241700 241700 241700 HOLLYWOOD ENTMT CORP COMMON 436141105 12531970 911416 911416 902616 8800 HOT TOPIC INC COMMON 441339108 8063528 273804 273804 270829 2975 HUB INTERNATIONAL LTD COMMON 44332P101 91342 5450 5450 5450 HUDSON HIGHLAND GROUP IN COMMON 443792106 6565 277 277 277 HUNT J B TRANS SVCS INC COMMON 445658107 83768220 3101378 3101378 2991643 109735 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 172565687 7648888 7648888 7418143 230745
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 16 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- HYPERION SOLUTIONS CORP COMMON 44914M104 29695586 985255 985255 904030 81225 ICOS CORP COMMON 449295104 2135208 51725 51725 49275 2450 IRT CORP COMMON 450052303 3973 15893 15893 15893 ITT EDUCATIONAL SERVICES COMMON 45068B109 2921534 62200 62200 62200 ICON PUB LTD CO COMMON 45103T107 95920 2200 2200 2200 IMAGISTICS INTERNATIONAL COMMON 45247T104 3600 96 96 96 IMMUCOR INC COMMON 452526106 162610 7975 7975 7975 IMPCO RESTRICTED PIPE COMMON 45255W106 174400 20000 20000 20000 INAMED CORP COMMON 453235103 8274210 172200 172200 171700 500 INCO LTD COMMON 453258402 11946 300 300 300 INFINITY PPTY & CAS CORP COMMON 45665Q103 14155480 428305 428305 423505 4800 INFOSYS TECHNOLOGIES LTD COMMON 456788108 438840 4600 4600 4600 INSIGHT ENTERPRISES INC COMMON 45765U103 22353877 1189036 1189036 1177836 11200 INSPIRE PHARMACEUTICALS COMMON 457733103 5233731 369875 369875 367975 1900 INTEGRATED SILICON SOLUT COMMON 45812P107 4724735 301900 301900 301900 INTEL CORP COMMON 458140100 38200780 1191912 1191912 1027009 164903 INTERACTIVECORP COMMON 45840Q101 6792006 200177 200177 166297 33880 INTERMAGNETICS GEN CORP COMMON 458771102 88640 4000 4000 4000 INTERACTIVE VIDEO TECH COMMON 458990108 3239 6478 6478 6478 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 135470315 5014127 5014127 4706791 307336
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 17 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- INTERNATIONAL BUSINESS M COMMON 459200101 4193307 45245 45245 44645 600 INTERNATIONAL SPEEDWAY C COMMON 460335201 4622 104 104 104 INTERPUBLIC GROUP COS IN COMMON 460690100 9360 600 600 600 INTERSIL CORP COMMON 46069S109 6013079 241975 241975 241975 INTEROIL CORP PIPE COMMON 460951106 1218804 50000 50000 50000 INTRADO INC COMMON 46117A100 22657229 1032220 1032220 1009715 22505 INTUIT COMMON 461202103 63432 1200 1200 1200 INVERNESS MED INNOVATION COMMON 46126P106 568022 26080 26080 26080 INVITROGEN CORP COMMON 46185R100 2020399 28900 28900 28900 INVESTORS FINL SERVICES COMMON 461915100 13987424 364161 364161 360461 3700 IONICS INC COMMON 462218108 946741 29725 29725 29725 IPASS INC COMMON 46261V108 62119 3880 3880 3580 300 IPAYMENT INC COMMON 46262E105 1253893 37000 37000 37000 IRON MTN INC PA COMMON 462846106 177930 4500 4500 4500 ITRON INC COMMON 465741106 3927204 213900 213900 210600 3300 J P MORGAN CHASE & CO COMMON 46625H100 40770 1110 1110 1110 JSC MMC NORILSK NICKEL COMMON 46626D108 143330 2200 2200 2200 JEFFERIES GROUP INC NEW COMMON 472319102 1570761 47570 47570 47570 JETBLUE AWYS CORP COMMON 477143101 1848497 69702 69702 69702 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 60706924 2200072 2200072 2166357 33715
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 18 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- JOHNSON & JOHNSON COMMON 478160104 8594778 166372 166372 140031 26341 JUNIPER NETWORKS INC COMMON 48203R104 384808 20600 20600 20600 JUPITER MEDIA METRIX INC COMMON 48206U104 1538 6989 6989 6989 KFX INC COMMON 48245L107 1925250 255000 255000 5000 250000 KLA-TENCOR CORP COMMON 482480100 3676312 62800 62800 62800 KVH INDS INC COMMON 482738101 10547424 382555 382555 373055 9500 KANSAS CITY SOUTHERN COMMON 485170302 8592 600 600 600 KEY ENERGY SVCS INC COMMON 492914106 10696110 1037450 1037450 1017825 19625 KEYSPAN CORP COMMON 49337W100 8832 240 240 240 KFORCE INC COMMON 493732101 3740701 400075 400075 395975 4100 KILROY RLTY CORP COMMON 49427F108 16375 500 500 500 KIMCO REALTY CORP COMMON 49446R109 80550 1800 1800 1800 KINROSS GOLD CORP COMMON 496902206 292035 36550 36550 36550 KOHLS CORP COMMON 500255104 4764 106 106 106 KRONOS INC COMMON 501052104 2151813 54325 54325 54325 KULICKE & SOFFA INDS INC COMMON 501242101 5099148 354600 354600 354600 LTX CORP COMMON 502392103 4680342 311400 311400 311400 L-3 COMMUNICATIONS HLDGS COMMON 502424104 667680 13000 13000 13000 LABOR READY INC COMMON 505401208 133620 10200 10200 10200 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 52710670 3115162 3115162 2805096 310066
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 19 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- LABONE INC NEW COMMON 50540L105 4552294 140200 140200 140200 LAM RESEARCH CORP COMMON 512807108 1109505 34350 34350 34350 LAMAR ADVERTISING CO COMMON 512815101 4601369 123295 123295 109995 13300 LEAPFROG ENTERPRISES INC COMMON 52186N106 3303118 124505 124505 118805 5700 LEHMAN BROS HLDGS INC COMMON 524908100 100386 1300 1300 1300 LEVEL 3 COMMUNICATIONS I COMMON 52729N100 478601 83965 83965 81175 2790 LEXICON GENETICS INC COMMON 528872104 4765269 809044 809044 803044 6000 LIBERTY PPTY TR COMMON 531172104 245070 6300 6300 1700 4600 LILLY ELI & CO COMMON 532457108 2710518 38540 38540 38040 500 LINEAR TECHNOLOGY CORP COMMON 535678106 6866665 163220 163220 160695 2525 LINENS N THINGS INC COMMON 535679104 6489730 215749 215749 212149 3600 LIONBRIDGE TECHNOLOGIES COMMON 536252109 965760 100600 100600 100600 LOWES COS INC COMMON 548661107 277 5 5 5 INCIPIENT SER B COMMON 549990109 500006 117455 117455 117455 LUMINEX CORP DEL COMMON 55027E102 2539635 270750 270750 270750 M D C HLDGS INC COMMON 552676108 8225363 127525 127525 126725 800 MPSI SYSTEMS (UNRESTR) COMMON 553412206 3280 20500 20500 20500 MSC INDL DIRECT INC COMMON 553530106 12996913 472615 472615 470615 2000 MACROVISION CORP COMMON 555904101 4676130 207000 207000 207000 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 65129888 3056918 3056918 2897648 159270
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 20 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- MACROMEDIA INC COMMON 556100105 1230075 69300 69300 69300 MAGMA DESIGN AUTOMATION COMMON 559181102 45738418 1959658 1959658 1891128 68530 MANAGEMENT NETWORK GROUP COMMON 561693102 93390 28300 28300 28300 MANPOWER INC COMMON 56418H100 899228 19100 19100 19100 MARINE PRODS CORP COMMON 568427108 109040 5800 5800 5800 MARSH & MCLENNAN COS INC COMMON 571748102 4789 100 100 100 MARTEK BIOSCIENCES CORP COMMON 572901106 146328438 2248094 2248094 2129974 118120 MARTEN TRANS LTD COMMON 573075108 18699104 1210298 1210298 1136703 73595 MAXIM INTEGRATED PRODS I COMMON 57772K101 23942132 482899 482899 478524 4375 MAVERICK TUBE CORP COMMON 577914104 118388 6150 6150 6150 MCDATA CORP COMMON 580031102 2226804 233100 233100 233100 MCDATA CORP COMMON 580031201 87413982 9172506 9172506 8717911 454595 MCGRAW HILL COS INC COMMON 580645109 29006242 414849 414849 407829 7020 MEDCO HEALTH SOLUTIONS I COMMON 58405U102 1088 32 32 12 20 MEDICINES CO COMMON 584688105 16673329 565965 565965 561465 4500 MEDICIS PHARMACEUTICAL C COMMON 584690309 402845 5650 5650 5650 MEDTRONIC INC COMMON 585055106 50224144 1033206 1033206 969180 64026 MENTOR GRAPHICS CORP COMMON 587200106 10899097 749594 749594 730744 18850 MERCK & CO INC COMMON 589331107 62370 1350 1350 1350 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 434072903 18205951 18205951 17392320 813631
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 21 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- MERCURY INTERACTIVE CORP COMMON 589405109 12088256 248525 248525 243575 4950 MERIDIAN GOLD INC COMMON 589975101 263711 18050 18050 18050 MERGE TECHNOLOGIES INC COMMON 589981109 29988 1700 1700 1700 MERIX CORP COMMON 590049102 25960099 1058300 1058300 1040075 18225 MERRILL LYNCH & CO INC COMMON 590188108 18537154 316064 316064 312564 3500 MESA AIR GROUP INC COMMON 590479101 6033638 480003 480003 471703 8300 METROLOGIC INSTRS INC COMMON 591676101 810000 30000 30000 25000 5000 MICHAELS STORES INC COMMON 594087108 147186 3330 3330 3330 MICROSOFT CORP COMMON 594918104 82396865 3010481 3010481 2825960 184521 MICROSTRATEGY INC COMMON 594972408 34292269 653435 653435 629835 23600 MICROMUSE INC COMMON 595094103 33998011 4927248 4927248 4659128 268120 MICROSEMI CORP COMMON 595137100 25748686 1050538 1050538 1037638 12900 MILLENNIUM PHARMACEUTICA COMMON 599902103 1669212 89502 89502 84353 5149 MILLIPORE CORP COMMON 601073109 256148 5950 5950 5950 MOBIUS MGMT SYSTEMS INC COMMON 606925105 29095 2300 2300 2300 MOBILE TELESYSTEMS OJSC COMMON 607409109 82800 1000 1000 1000 MODEM MEDIA INC COMMON 607533106 1660961 203300 203300 200100 3200 MONSANTO CO NEW COMMON 61166W101 2446 85 85 85 MONSTER WORLDWIDE INC COMMON 611742107 81252 3700 3700 3700 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 244087776 12103511 12103511 11565046 538465
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 22 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- MOTOROLA INC/CV/LYON BND CV 620076AE9 190938 250000 250000 250000 MOVIE GALLERY INC COMMON 624581104 3396584 181830 181830 181830 MYLAN LABS INC COMMON 628530107 1873029 74150 74150 74150 NBTY INC COMMON 628782104 56750963 2112843 2112843 1996013 116830 NCO GROUP INC BND CV 628858AC6 432390 426000 426000 426000 NEC CORP COMMON 629050204 2314649 308250 308250 308250 NVE CORP COMMON 629445206 492480 9600 9600 9600 NANOGEN INC COMMON 630075109 544655 60450 60450 60450 NANOMETRICS INC COMMON 630077105 425855 28950 28950 28950 NANOPHASE TCHNOLOGIES CO COMMON 630079101 495513 61250 61250 61250 NATIONAL FINL PARTNERS C COMMON 63607P208 189269 6870 6870 6380 490 NATIONAL SEMICONDUCTOR C COMMON 637640103 835492 21200 21200 21200 NAVIGANT CONSULTING INC COMMON 63935N107 6187966 328100 328100 328100 NEOFORMA COM INC COMMON 640475505 84067 7901 7901 7901 NEOWARE SYS INC COMMON 64065P102 3473472 252800 252800 252800 NET2PHONE COMMON 64108N106 789820 116150 116150 116150 NETFLIX COM INC COMMON 64110L106 65947554 1205843 1205843 1150136 55707 NETSCREEN TECHNOLOGIES I COMMON 64117V107 46201914 1866744 1866744 1764584 102160 NEUROCHEM INC COMMON 64125K101 107879 4575 4575 4575 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 190734486 7323506 7323506 7048319 275187
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 23 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- NEWCASTLE INVT CORP COMMON 65105M108 711375 26250 26250 21250 5000 NEWFIELD EXPL CO COMMON 651290108 111350 2500 2500 2500 NEWMONT MINING CORP HLDG COMMON 651639106 1821660 37475 37475 31075 6400 NEXTEL COMMUNICATIONS IN COMMON 65332V103 4615870 164500 164500 161750 2750 NIKU CORP COMMON 654113703 19091 2246 2246 2246 NOKIA CORP COMMON 654902204 12463890 733170 733170 634248 98922 NOVARTIS A G COMMON 66987V109 27864270 607197 607197 585137 22060 NOVELL INC COMMON 670006105 24304598 2308129 2308129 2079129 229000 NOVELLUS SYS INC COMMON 670008101 1053353 25050 25050 25050 NUVEEN INVTS INC COMMON 67090F106 397874 14924 14924 14924 ODYSSEY HEALTHCARE INC COMMON 67611V101 35601968 1208485 1208485 1195255 13230 OFFSHORE LOGISTICS INC COMMON 676255102 1082926 44165 44165 32065 12100 OLD DOMINION FGHT LINES COMMON 679580100 14223186 417347 417347 410607 6740 OMNICARE INC COMMON 681904108 990565 24525 24525 24525 OMNIVISION TECHNOLOGIES COMMON 682128103 11436750 207000 207000 207000 ONLINE RES CORP COMMON 68273G101 3160378 481765 481765 454865 26900 OPEN JT STK CO-VIMPEL CO COMMON 68370R109 2574338 35025 35025 1025 34000 OPENWAVE SYS INC COMMON 683718308 11 1 1 1 OPEN SOLUTIONS INC COMMON 68371P102 9160536 520485 520485 509985 10500 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 151593988 6860239 6860239 6392637 467602
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 24 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- ORACLE CORP COMMON 68389X105 3308 250 250 250 ORBITZ INC COMMON 68556Y100 918502 39370 39370 35010 4360 ORTHOLOGIC CORP COMMON 68750J107 12757 2081 2081 2081 OVERNITE CORP COMMON 690322102 7225628 317610 317610 307325 10285 OVERSTOCK COM INC DEL COMMON 690370101 667632 33600 33600 33600 OXYGEN SER A 3 COMMON 692990104 15447 41191 41191 41191 PC-TEL INC COMMON 69325Q105 3192213 296950 296950 294150 2800 P F CHANGS CHINA BISTRO COMMON 69333Y108 14373600 282500 282500 282500 PACIFICARE HEALTH SYS DE COMMON 695112102 285610 4225 4225 4225 PACKETEER INC COMMON 695210104 2429838 143100 143100 143100 PANERA BREAD CO COMMON 69840W108 3797872 96100 96100 96100 PATTERSON UTI ENERGY INC COMMON 703481101 6316633 191820 191820 184875 6945 PEABODY ENERGY CORP COMMON 704549104 135349 3245 3245 3045 200 PEAPACK-GLADSTONE FINL C COMMON 704699107 136400 4400 4400 4400 PENWEST PHARMACEUTICALS COMMON 709754105 8634280 499669 499669 492669 7000 PEPSICO INC COMMON 713448108 101399 2175 2175 2175 PERKINELMER INC COMMON 714046109 318356 18650 18650 18650 PETCO ANIMAL SUPPLIES COMMON 716016209 9052785 297300 297300 297300 PFIZER INC COMMON 717081103 7133021 201897 201897 200497 1400 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 64750627 2476133 2476133 2397552 78581
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 25 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- PHARMACEUTICAL RES INC COMMON 717125108 952819 14625 14625 14625 PHOTON DYNAMICS INC COMMON 719364101 30351020 754250 754250 728650 25600 PHOTRONICS INC COMMON 719405102 8254370 414376 414376 406176 8200 PITNEY BOWES INC COMMON 724479100 48744 1200 1200 1200 PLACER DOME INC COMMON 725906101 27761 1550 1550 1550 PLANAR SYS INC COMMON 726900103 5255822 216200 216200 216200 PLANTRONICS INC NEW COMMON 727493108 6818528 208837 208837 205637 3200 PLUG POWER INC COMMON 72919P103 536500 74000 74000 74000 POGO PRODUCING CO COMMON 730448107 8656326 179220 179220 174815 4405 PORTFOLIO RECOVERY ASSOC COMMON 73640Q105 2617830 98600 98600 98600 POWER INTEGRATIONS INC COMMON 739276103 7642264 228400 228400 228400 POWERWAVE TECHNOLOGIES I COMMON 739363109 122679 15850 15850 15850 POZEN INC COMMON 73941U102 42840 4200 4200 4200 PRAXAIR INC COMMON 74005P104 1617388 42340 42340 39840 2500 PRENTISS PPTYS TR COMMON 740706106 298560 9050 9050 6650 2400 PRICELINE COM INC COMMON 741503403 4475 250 250 250 PRIDE INTL INC DEL COMMON 74153Q102 20812026 1116525 1116525 1111025 5500 PRINCETON REVIEW INC COMMON 742352107 2115409 216965 216965 203165 13800 PROCTER & GAMBLE CO COMMON 742718109 489911 4905 4905 1425 3480 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 96665271 3601343 3601343 3530708 70635
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 26 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- PROGENICS PHARMACEUTICAL COMMON 743187106 107502 5700 5700 5700 PROTEIN DESIGN LABS INC COMMON 74369L103 22793484 1273379 1273379 1245029 28350 PROVIDE COMM INC COMMON 74373W103 1517000 100000 100000 98400 1600 PROVINCE HEALTHCARE CO COMMON 743977100 7786688 486668 486668 477868 8800 PSYCHIATRIC SOLUTIONS IN COMMON 74439H108 2339233 111925 111925 111125 800 PUBLIC SVC ENTERPRISE GR COMMON 744573106 227760 5200 5200 5200 PUMATECH INC COMMON 745887109 1926121 483950 483950 473950 10000 QLOGIC CORP COMMON 747277101 40927293 793626 793626 775671 17955 QUALITY DISTR INC FLA COMMON 74756M102 387100 19750 19750 18560 1190 QUANTA SVCS INC COMMON 74762E102 322660 44200 44200 44200 QUEST SOFTWARE INC COMMON 74834T103 79721683 5614203 5614203 5252628 361575 QUIKSILVER INC COMMON 74838C106 4044213 228100 228100 228100 QWEST COMMUNICATIONS INT COMMON 749121109 1313 304 304 304 RAMBUS INC DEL COMMON 750917106 2016990 65700 65700 65700 RANDGOLD RES LTD COMMON 752344309 642725 23500 23500 14700 8800 RANDGOLD & EXPL LTD COMMON 753009307 543627 33150 33150 22800 10350 RARE HOSPITALITY INTL IN COMMON 753820109 16445676 672900 672900 672900 UTD SPORTS SURF OF AMER COMMON 755990108 230000 1150000 1150000 1150000 REALNETWORKS INC COMMON 75605L104 4084392 715305 715305 620625 94680 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 186065459 11827560 11827560 11283460 544100
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 27 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- RED HAT INC COMMON 756577102 2923428 155750 155750 155750 RED ROBIN GOURMET BURGER COMMON 75689M101 5902039 193700 193700 177950 15750 REGENERX BIOPHARMACEUTIC COMMON 75886X108 1255414 1037532 1037532 1037532 RESEARCH IN MOTION LTD COMMON 760975102 1668411 24965 24965 24325 640 RESMED INC COMMON 761152107 22437997 540154 540154 528054 12100 RESPIRONICS INC COMMON 761230101 19197929 424639 424639 372189 52450 RETEK INC COMMON 76128Q109 1548368 166850 166850 166850 ROCHE HLDG LTD COMMON 771195104 10087 100 100 100 ROCKWELL AUTOMATION INC COMMON 773903109 11532620 323950 323950 323950 ROHM & HAAS CO COMMON 775371107 59794 1400 1400 1400 ROPER INDS INC NEW COMMON 776696106 31433643 638117 638117 633617 4500 ROYAL DUTCH PETE CO COMMON 780257804 617364 11784 11784 5384 6400 ROYAL GOLD INC COMMON 780287108 251160 12000 12000 3200 8800 RUBY TUESDAY INC COMMON 781182100 7272756 255274 255274 251674 3600 RUDOLPH TECHNOLOGIES INC COMMON 781270103 10748127 437984 437984 430484 7500 RYANAIR HLDGS PLC COMMON 783513104 1258901 24850 24850 21200 3650 RYLAND GROUP INC COMMON 783764103 3119330 35191 35191 34491 700 SBC COMMUNICATIONS INC COMMON 78387G103 14339 550 550 150 400 SI INTL INC COMMON 78427V102 84151 4300 4300 4300 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 121335858 4289090 4289090 4172600 116490
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 28 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- SPDR TR COMMON 78462F103 164138 1475 1475 1475 SAFEGUARD SCIENTIFICS IN COMMON 786449108 324008 80200 80200 80200 SAFETY INS GROUP INC COMMON 78648T100 855500 50000 50000 50000 SAFEWAY INC COMMON 786514208 2191 100 100 100 ST JUDE MED INC COMMON 790849103 725771 11830 11830 11830 ST MARY LD & EXPL CO COMMON 792228108 1055070 37020 37020 35200 1820 SATYAM COMPUTER SERVICES COMMON 804098101 434084 14800 14800 14800 STAGECAST SER B COMMON 80589M102 281339 295033 295033 915 294118 SCHEIN HENRY INC COMMON 806407102 15173805 224531 224531 212431 12100 SCHLUMBERGER LTD COMMON 806857108 58410864 1067450 1067450 1000660 66790 SECURE COMPUTING CORP COMMON 813705100 16009301 893875 893875 880575 13300 SELECT MEDICAL CORP COMMON 816196109 4687826 287950 287950 283050 4900 SELECTICA INC COMMON 816288104 749 175 175 175 SEMTECH CORP COMMON 816850101 4662386 204850 204850 201650 3200 SICOR INC COMMON 825846108 462400 17000 17000 17000 SIGMATEL INC COMMON 82661W107 13575752 550071 550071 528211 21860 SILICON LABORATORIES INC COMMON 826919102 11109976 256700 256700 256700 SILICON STORAGE TECHNOLO COMMON 827057100 687500 62500 62500 62500 SILICON IMAGE INC COMMON 82705T102 5927435 827854 827854 812004 15850 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 134550095 4883414 4883414 4449476 433938
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 29 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- SIRENZA MICRODEVICES INC COMMON 82966T106 4291843 892275 892275 882475 9800 SIRIUS SATELLITE RADIO I COMMON 82966U103 15574597 4928670 4928670 4556520 372150 SIRVA INC COMMON 82967Y104 19704625 1008425 1008425 984925 23500 SITARA NETWORKS CNV COM COMMON 829991108 24886 20482 20482 20482 SKYWORKS SOLUTIONS INC COMMON 83088M102 17086583 1963975 1963975 1950675 13300 SMITH INTL INC COMMON 832110100 23246425 559885 559885 546410 13475 SOFTECH INC COMMON 834021107 6200 31000 31000 31000 SOLID (EURO DENOM) RSTR COMMON 834993107 2638529 1387285 1387285 1387285 SONUS NETWORKS INC COMMON 835916107 10681767 1416680 1416680 1394275 22405 SOUTHERN CO COMMON 842587107 358463 11850 11850 10850 1000 SPANISH BROADCASTING SYS COMMON 846425882 7900104 748825 748825 748825 SPINNAKER EXPL CO COMMON 84855W109 22589 700 700 700 STAPLES INC COMMON 855030102 10647 390 390 390 STARBUCKS CORP COMMON 855244109 828337 24980 24980 24980 STATE STR CORP COMMON 857477103 76818 1475 1475 1475 STERICYCLE INC COMMON 858912108 26728091 572336 572336 553641 18695 STONEPATH GROUP INC COMMON 861837102 1574825 696825 696825 687125 9700 STORAGE TECHNOLOGY CORP COMMON 862111200 9472138 367850 367850 367850 STRATASYS INC COMMON 862685104 2982263 110250 110250 110250 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 143209727 14744158 14744158 12851666 1892492
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 30 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- STRYKER CORP COMMON 863667101 6680171 78581 78581 77720 861 SUNOCO INC COMMON 86764P109 109563 2142 2142 2142 SUPERCONDUCTOR TECH S3 COMMON 867931107 593844 116440 116440 116440 SUPPORTSOFT INC COMMON 868587106 18562127 1410496 1410496 1364396 46100 SYMANTEC CORP COMMON 871503108 22329090 647220 647220 640870 6350 SYMBOL TECHNOLOGIES INC COMMON 871508107 844500 50000 50000 50000 TECO ENERGY INC COMMON 872375100 148783 10325 10325 10325 TJX COS INC NEW COMMON 872540109 23347047 1058823 1058823 1049423 9400 TXU CORP COMMON 873168108 53370 2250 2250 2250 TAIWAN SEMICONDUCTOR MFG COMMON 874039100 2635141 257338 257338 254962 2376 TELIK INC COMMON 87959M109 19140163 832181 832181 750506 81675 TERADYNE INC COMMON 880770102 1757323 69050 69050 69050 TEVA PHARMACEUTICAL INDS COMMON 881624209 73787026 1301129 1301129 1203696 97433 TESSERA TECHNOLOGIES INC COMMON 88164L100 13312589 707740 707740 680540 27200 TEXAS INSTRS INC COMMON 882508104 1231316 41910 41910 37885 4025 THERMO ELECTRON CORP COMMON 883556102 884520 35100 35100 35100 3COM CORP COMMON 885535104 13595444 1664069 1664069 1490894 173175 3M CO COMMON 88579Y101 21032511 247354 247354 239020 8334 TIME WARNER INC COMMON 887317105 70701 3930 3930 3930 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 220115228 8536078 8536078 8079149 456929
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 31 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- TOLLGRADE COMMUNICATIONS COMMON 889542106 2560975 146091 146091 146091 TRACTOR SUPPLY CO COMMON 892356106 10735048 275300 275300 275300 TRANSMETA CORP DEL COMMON 89376R109 1662260 488900 488900 488900 TRAVELERS PPTY CLASS A COMMON 89420G109 196913 11735 11735 11110 625 TRAVELERS PPTY CLASS B COMMON 89420G406 339 20 20 20 TRIDENT MICROSYSTEMS INC COMMON 895919108 5132960 294659 294659 294659 TRIBUNE CO NEW COMMON 896047107 333542 6464 6464 6464 TRIPATH TECHNOLOGY INC COMMON 89672P104 132810 19000 19000 19000 TYCO INTL LTD NEW COMMON 902124106 3313 125 125 125 URS CORP NEW COMMON 903236107 4286064 171374 171374 168174 3200 NOVERA OPTICS, INC SER C COMMON 903990109 300000 1234568 1234568 1234568 ULTRATECH INC COMMON 904034105 9906501 337300 337300 337300 UNION PAC CORP COMMON 907818108 2880224 41454 41454 33810 7644 UNIONBANCAL CORP COMMON 908906100 1036 18 18 18 UNITED PARCEL SERVICE IN COMMON 911312106 29243803 392271 392271 369545 22726 UNITED RENTALS INC COMMON 911363109 8266392 429200 429200 429200 UNITED SURGICAL PARTNERS COMMON 913016309 4770900 142500 142500 142500 UNITED TECHNOLOGIES CORP COMMON 913017109 4693958 49530 49530 49030 500 UNITEDHEALTH GROUP INC COMMON 91324P102 3935644 67646 67646 62337 5309 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 89042683 4108155 4108155 2833583 1274572
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 32 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- URBAN OUTFITTERS INC COMMON 917047102 27318558 737343 737343 731543 5800 VCA ANTECH INC COMMON 918194101 703246 22700 22700 22700 VALENCE TECHNOLOGY INC COMMON 918914102 419177 106390 106390 92590 13800 VARCO INTL INC DEL COMMON 922122106 3631705 176040 176040 171700 4340 VARIAN SEMICONDUCTOR EQU COMMON 922207105 6797760 155200 155200 155200 VARIAN MED SYS INC COMMON 92220P105 3659191 52955 52955 51090 1865 VELOCITY EXPRESS SERIS H COMMON 92257T202 826 1750 1750 1750 VERITAS SOFTWARE CO COMMON 923436109 262472 7090 7090 6090 1000 VERITY INC COMMON 92343C106 11070060 663275 663275 659575 3700 VERISIGN INC COMMON 92343E102 3739709 229430 229430 199955 29475 VERIZON COMMUNICATIONS COMMON 92343V104 115799 3301 3301 3301 VERINT SYS INC COMMON 92343X100 2377824 105400 105400 105400 VIACOM INC/CL B COMMON 925524308 46232066 1041732 1041732 964489 77243 VIGNETTE CORP COMMON 926734104 56750 25000 25000 25000 VISHAY INTERTECHNOLOGY I COMMON 928298108 2020925 88250 88250 88250 VISTACARE INC COMMON 92839Y109 5065427 144975 144975 137930 7045 VISX INC DEL COMMON 92844S105 880279 38025 38025 38025 VITESSE SEMICONDUCTOR CO COMMON 928497106 5850 1000 1000 1000 WABASH NATL CORP COMMON 929566107 21064180 718914 718914 679964 38950 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 135421803 4318770 4318770 4110552 208218
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 33 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- WAL MART STORES INC COMMON 931142103 49476711 932643 932643 883953 48690 WALGREEN CO COMMON 931422109 8186 225 225 225 WASTE CONNECTIONS INC COMMON 941053100 27544339 729265 729265 707935 21330 WEBEX COMMUNICATIONS INC COMMON 94767L109 5037014 250100 250100 250100 WEBMETHODS INC COMMON 94768C108 1911 210 210 210 WEBMD CORP COMMON 94769M105 4310975 479530 479530 470380 9150 WELLS FARGO & CO NEW COMMON 949746101 9222351 156603 156603 154803 1800 WESTELL TECHNOLOGIES INC COMMON 957541105 7187563 1139075 1139075 1124290 14785 WESTERN WIRELESS CORP COMMON 95988E204 1149336 62600 62600 62600 WEYERHAEUSER CO COMMON 962166104 76800 1200 1200 1200 WILLIAMS CLAYTON ENERGY COMMON 969490101 446969 15450 15450 15450 WILLIAMS SONOMA INC COMMON 969904101 5216 150 150 150 WINTRUST FINANCIAL CORP COMMON 97650W108 166870 3700 3700 3700 WIRELESS FACILITIES INC COMMON 97653A103 11357661 764311 764311 715140 49171 WISCONSIN ENERGY CORP COMMON 976657106 107040 3200 3200 3200 WRIGHT MED GROUP INC COMMON 98235T107 2635680 86700 86700 86700 WYETH COMMON 983024100 15409 363 363 133 230 XM SATELLITE RADIO HLDGS COMMON 983759101 67458641 2565943 2565943 2373308 192635 XTO ENERGY INC COMMON 98385X106 10973523 387757 387757 364456 23301 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 197182195 7579025 7579025 7217933 361092
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 34 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- XCEL ENERGY INC COMMON 98389B100 88296 5200 5200 5200 XEROX CORP COMMON 984121103 10819 784 784 784 YAHOO INC COMMON 984332106 32334467 718065 718065 664550 53515 YUM BRANDS INC COMMON 988498101 5504 160 160 160 ZARLINK SEMICONDUCTOR IN COMMON 989139100 131820 39000 39000 39000 ZIMMER HLDGS INC COMMON 98956P102 13231469 187947 187947 186897 1050 ZORAN CORP COMMON 98975F101 3476696 199925 199925 197225 2700 ANDA NETWORKS SER D COMMON 9A999J3E8 124999 182215 182215 182215 AXSUN SER B COMMON 9B999N612 83334 333334 333334 333334 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 LIGHTWAVE MICROSYS SER G 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 PHOTONEX SER B COMMON 9M999C232 0 1392919 1392919 1392919 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 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 57715708 6046143 6046143 1092872 4953271
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 35 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- DIADEXUS SER C COMMON 9M999C877 4999998 645161 645161 645161 OPTICAL CROSSLINKS SER A COMMON 9M999C901 500000 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 16870 365 365 365 ACE LTD COMMON G0070K103 15389518 371548 371548 355348 16200 AMDOCS LTD COMMON G02602103 1765467 78535 78535 68975 9560 APEX SILVER MINES LTD COMMON G04074103 515185 24650 24650 24650 ASPEN INSURANCE HOLDINGS COMMON G05384105 80012 3225 3225 2860 365 AXIS CAPITAL HOLDINGS COMMON G0692U109 41352203 1412302 1412302 1344132 68170 ACCENTURE LTD BERMUDA COMMON G1150G111 684320 26000 26000 26000 EVEREST RE GROUP LTD COMMON G3223R108 139590 1650 1650 1650 MARVELL TECHNOLOGY GROUP COMMON G5876H105 36030124 949911 949911 935711 14200 NABORS INDUSTRIES LTD COMMON G6359F103 23822577 574038 574038 560448 13590 NOBLE CORPORATION COMMON G65422100 109666 3065 3065 3065 O2MICRO INTERNATIONAL LI COMMON G6797E106 8511031 378100 378100 378100 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 139739877 7817458 7817458 3724004 4093454
FORM 13F 12/31/03 REPORTING MANAGER; ESSEX INVESTMENT MGMT CO PAGE 36 - ----------------------------------------------------------------------------------------------------------------------------------- ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8 INVESTMENT DISCRETION VOTING AUTHORITY TITLE FAIR SHARES OR SHARED OF CUSIP MARKET PRINCIPAL SOLE SHARED OTHER MANA- SOLE SHARED NONE NAME OF ISSUER CLASS NUMBER VALUE AMOUNT (A) (B) (C) GERS (A) (B) (C) - ----------------------------------------------------------------------------------------------------------------------------------- TRANSOCEAN INC COMMON G90078109 2439056 101585 101585 99271 2314 WEATHERFORD INTERNATIONA COMMON G95089101 14431644 400879 400879 378967 21912 WILLIS GROUP HOLDINGS LT COMMON G96655108 51240190 1503968 1503968 1406693 97275 XL CAP LTD COMMON G98255105 40229760 518759 518759 493184 25575 ALCON INC COMMON H01301102 1555878 25700 25700 25525 175 GIVEN IMAGING COMMON M52020100 271494 15125 15125 15125 TARO PHARMACEUTICAL INDS COMMON M8737E108 325725 5050 5050 5050 ASM INTL N V COMMON N07045102 945208 46700 46700 46700 ASML HLDG NV COMMON N07059111 7614990 379800 379800 379800 ROYAL CARIBBEAN CRUISES COMMON V7780T103 15604533 448535 448535 444450 4085 ---------- --------- ---------- ------- ------ --------- ------ -------- COLUMN TOTALS 134658477 3446101 3446101 3294765 151336 ---------- --------- ---------- ------- ------ --------- ------ -------- REPORT TOTALS 5390684079 235407751 235407751 208382413 27025338 ========== ========= ========== ======= ====== ========= ====== ========
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