0001047469-12-010127.txt : 20121106 0001047469-12-010127.hdr.sgml : 20121106 20121106165416 ACCESSION NUMBER: 0001047469-12-010127 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120930 FILED AS OF DATE: 20121106 DATE AS OF CHANGE: 20121106 EFFECTIVENESS DATE: 20121106 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Portolan Capital Management, LLC CENTRAL INDEX KEY: 0001350290 IRS NUMBER: 201926326 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-11602 FILM NUMBER: 121183860 BUSINESS ADDRESS: STREET 1: 2 INTERNATIONAL PLACE, 26TH FLOOR CITY: BOSTON STATE: MA ZIP: 02110 BUSINESS PHONE: 617.753.6400 MAIL ADDRESS: STREET 1: 2 INTERNATIONAL PLACE, 26TH FLOOR CITY: BOSTON STATE: MA ZIP: 02110 13F-HR 1 a2211698z13f-hr.txt 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: September 30, 2012 ----------------------- Check Here if Amendment / /; Amendment Number: --------- This Amendment (Check only one.): / / is a restatement. / / adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Portolan Capital Management, LLC -------------------------------- Address: Two International Place -------------------------------- Boston, MA 02110 -------------------------------- Form 13F File Number: 28-11602 ------------------------ 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: Nancy Bonner ------------------------------- Title: Chief Compliance Officer ------------------------------- Phone: 617.753.6400 ------------------------------- Signature, Place, and Date of Signing: /s/Nancy Bonner Boston, MA November 6, 2012 ------------------------------- ----------------- ---------------- [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).) FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 -------------------- Form 13F Information Table Entry Total: 190 -------------------- Form 13F Information Table Value Total: $ 378,016 -------------------- (thousands) List of Other Included Managers: 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. NONE FORM 13F INFORMATION TABLE

Market Title Value Share / of (USD) Prn Share/ Put/ Underlyer Notional Investment Other Voting Authority Name of Issuer Class Cusip x1000 Amount Prn Call Description Value Discretion Managers Sole Shared None 3 D SYSTEMS CORP (NEW) CMN COM 88554D205 348 10,585 SH Sole Sole 51JOB, INC. ADR CMN COM 316827104 1,310 29,245 SH Sole Sole ABIOMED INC CMN COM 003654100 8,717 415,275 SH Sole Sole ABRAXAS PETROLEUM CORPORATION CMN COM 003830106 1,871 813,645 SH Sole Sole ACCO BRANDS CORPORATION CMN COM 00081T108 2,716 418,530 SH Sole Sole ACQUITY GROUP LIMITED SPONSORED ADR CMN COM 00489C103 4,872 497,655 SH Sole Sole ACTUATE CORPORATION COMMON STOCK COM 00508B102 7,016 998,067 SH Sole Sole ADVANCE AUTO PARTS, INC. CMN COM 00751Y106 378 5,522 SH Sole Sole AFFYMETRIX INC CMN COM 00826T108 840 193,557 SH Sole Sole ALERE INC CMN COM 01449J105 2,649 135,931 SH Sole Sole ALKERMES PLC CMN COM G01767105 836 40,308 SH Sole Sole ALTISOURCE PORTFOLIO SOL S.A. CMN COM L0175J104 10,338 119,865 SH Sole Sole AMERICAN APPAREL INC. CMN COM 023850100 3,454 2,242,729 SH Sole Sole AMERICAN AXLE & MFG HOLDINGS INC COM 024061103 1,447 128,390 SH Sole Sole AMERICAS CAR MART INC CMN COM 03062T105 1,086 23,892 SH Sole Sole ANIKA THERAPEUTICS INC CMN COM 035255108 2,359 157,073 SH Sole Sole AON PLC CMN COM G0408V102 875 16,740 SH Sole Sole APPLE, INC. CMN COM 037833100 5,561 8,336 SH Sole Sole ARMSTRONG WORLD INDUSTRIES, INC CMN COM 04247X102 355 7,659 SH Sole Sole ASBURY AUTOMOTIVE GROUP, INC. CMN COM 043436104 1,045 37,391 SH Sole Sole ASPEN TECHNOLOGY INC CMN COM 045327103 1,141 44,164 SH Sole Sole AVAGO TECHNOLOGIES LTD CMN COM Y0486S104 359 10,296 SH Sole Sole AVG TECHNOLOGIES N.V. CMN COM N07831105 1,680 175,052 SH Sole Sole AVID TECHNOLOGY INC CMN COM 05367P100 454 47,961 SH Sole Sole BAIDU, INC. SPONSORED ADR CMN COM 056752108 975 8,337 SH Sole Sole BECTON DICKINSON & CO CMN COM 075887109 688 8,752 SH Sole Sole BOISE INC. CMN COM 09746Y105 1,569 179,148 SH Sole Sole BOTTOMLINE TECHNOLOGIES INC CMN COM 101388106 242 9,782 SH Sole Sole BRAVO BRIO RESTAURANT GROUP IN CMN COM 10567B109 2,982 204,921 SH Sole Sole BUILDERS FIRSTSOURCE, INC. CMN COM 12008R107 1,916 369,155 SH Sole Sole CABELA'S INCORPORATED CMN CLASS A COM 126804301 5,302 96,957 SH Sole Sole CAESARSTONE SDOT-YAM LTD CMN COM M20598104 282 19,999 SH Sole Sole CAI INTERNATIONAL, INC. CMN COM 12477X106 844 41,129 SH Sole Sole CAPITAL SENIOR LIVING CORP CMN COM 140475104 2,824 195,171 SH Sole Sole CARMAX, INC. CMN COM 143130102 1,586 56,036 SH Sole Sole CARROLS RESTAURANT GROUP INC CMN COM 14574X104 1,542 267,711 SH Sole Sole CASELLA WASTE SYSTEMS INC CLASS A COM 147448104 2,857 668,678 SH Sole Sole CASUAL MALE RETAIL GROUP, INC. CMN COM 148711302 5,732 1,237,934 SH Sole Sole CEC ENTERTAINMENT INC CMN COM 125137109 688 22,841 SH Sole Sole CENTRAL GARDEN & PET CO CMN COM 153527106 2,769 232,909 SH Sole Sole CF INDUSTRIES HOLDINGS, INC. CMN COM 125269100 980 4,408 SH Sole Sole CHIQUITA BRANDS INTL INC. CMN COM 170032809 1,902 248,960 SH Sole Sole

CISCO SYSTEMS, INC. CMN COM 17275R102 623 32,612 SH Sole Sole CITI TRENDS, INC. CMN COM 17306X102 855 68,132 SH Sole Sole COMPUTER PROGRAMS & SYSTEMS CMN COM 205306103 1,872 33,694 SH Sole Sole CONSTANT CONTACT INC CMN COM 210313102 1,292 74,274 SH Sole Sole COSI, INC. CMN COM 22122P101 428 556,919 SH Sole Sole COVENANT TRANSPORTATION GRP INC CMN CLASS A COM 22284P105 513 111,591 SH Sole Sole CROCS, INC. CMN COM 227046109 609 37,598 SH Sole Sole CUBIST PHARMACEUTICALS, INC. CMN COM 229678107 458 9,598 SH Sole Sole CVS CAREMARK CORPORATION CMN COM 126650100 997 20,582 SH Sole Sole DELPHI AUTOMOTIVE PLC CMN COM G27823106 577 18,613 SH Sole Sole DESCARTES SYSTEMS GRP (THE) CMN COM 249906108 283 32,422 SH Sole Sole DESTINATION MATERNITY CORPORAT*ION CMN COM 25065D100 1,135 60,705 SH Sole Sole DFC GLOBAL CORP CMN COM 23324T107 2,876 167,721 SH Sole Sole DSW INC. CMN CLASS A COM 23334L102 2,730 40,923 SH Sole Sole ELECTRONIC ARTS CMN COM 285512109 1,727 136,110 SH Sole Sole ELLIE MAE, INC. CMN COM 28849P100 14,272 524,121 SH Sole Sole EMC CORPORATION MASS CMN COM 268648102 548 20,078 SH Sole Sole EMERALD OIL INC CMN COM 29101U100 534 643,081 SH Sole Sole EMERITUS CORPORATION CMN COM 291005106 1,267 60,485 SH Sole Sole ENCORE CAPITAL GROUP INC CMN COM 292554102 3,525 124,752 SH Sole Sole EXA CORPORATION CMN COM 300614500 3,776 348,040 SH Sole Sole EXACTTARGET INC CMN COM 30064K105 265 10,929 SH Sole Sole EXELIS INC. CMN COM 30162A108 265 25,585 SH Sole Sole FAMOUS DAVE'S OF AMERICA CMN COM 307068106 891 93,519 SH Sole Sole FEDERAL AGRICULTURAL MORTGAGE CORP CL-C COM 313148306 1,473 57,235 SH Sole Sole FIESTA RESTAURANT GROUP, INC. CMN COM 31660B101 4,951 311,971 SH Sole Sole FIRST CASH FINANCIAL SERVICE INC COM 31942D107 1,469 31,929 SH Sole Sole FLUIDIGM CORP CMN COM 34385P108 1,605 94,405 SH Sole Sole FOSSIL INC CMN COM 349882100 1,315 15,523 SH Sole Sole GENERAC HOLDINGS INC. CMN COM 368736104 1,655 72,288 SH Sole Sole GENESCO INC. CMN COM 371532102 3,871 58,007 SH Sole Sole GENMARK DIAGNOSTICS INC CMN COM 372309104 792 86,027 SH Sole Sole GENWORTH FINANCIAL INC CMN CLASS A COM 37247D106 699 133,608 SH Sole Sole GIBRALTAR INDUSTRIES INC CMN COM 374689107 1,014 79,065 SH Sole Sole GLOBAL POWER EQUIPMENT GRP INC CMN COM 37941P306 597 32,312 SH Sole Sole GOOGLE, INC. CMN CLASS A COM 38259P508 3,683 4,882 SH Sole Sole GREAT LAKES DREDGE & DOCK CORP CMN COM 390607109 135 17,585 SH Sole Sole GUIDANCE SOFTWARE INC. CMN COM 401692108 6,221 552,485 SH Sole Sole GUIDEWIRE SOFTWARE INC CMN COM 40171V100 640 20,611 SH Sole Sole H & R BLOCK INC. CMN COM 093671105 355 20,496 SH Sole Sole HANESBRANDS INC. CMN COM 410345102 869 27,250 SH Sole Sole HARTFORD FINANCIAL SRVCS GROUP CMN COM 416515104 1,031 53,051 SH Sole Sole HEICO CORP CL-A CMN CLASS A COM 422806208 602 19,717 SH Sole Sole HERBALIFE LTD. CMN COM G4412G101 2,533 53,443 SH Sole Sole HESS CORPORATION CMN COM 42809H107 4,630 86,195 SH Sole Sole HIGHER ONE HOLDINGS, INC. CMN COM 42983D104 1,229 91,207 SH Sole Sole HOME LN SERVICING SOLUTIONS LT CMN COM G6648D109 3,394 208,475 SH Sole Sole HORSEHEAD HOLDING CORP. CMN COM 440694305 1,088 116,218 SH Sole Sole HOSPIRA, INC. CMN COM 441060100 1,021 31,121 SH Sole Sole INCONTACT, INC. CMN COM 45336E109 1,716 263,956 SH Sole Sole IXIA CMN COM 45071R109 1,098 68,303 SH Sole Sole JIVE SOFTWARE, INC. CMN COM 47760A108 1,843 117,306 SH Sole Sole JOS A BANK CLOTHIERS INC CMN COM 480838101 641 13,223 SH Sole Sole KENEXA CORPORATION CMN COM 488879107 2,308 50,353 SH Sole Sole KEYNOTE SYSTEMS INC CMN COM 493308100 2,422 167,276 SH Sole Sole KODIAK OIL & GAS CORP CMN COM 50015Q100 735 78,492 SH Sole Sole KVH INDUSTRIES INC CMN COM 482738101 553 40,980 SH Sole Sole LEXMARK INTERNATIONAL INC. CMN CLASS A COM 529771107 2,360 106,074 SH Sole Sole LINKEDIN CORP CMN CLASS A COM 53578A108 890 7,392 SH Sole Sole LIONBRIDGE TECHNOLOGIES INC CMN COM 536252109 361 102,549 SH Sole Sole LITHIA MOTORS INC CL-A CMN CLASS A COM 536797103 2,134 64,078 SH Sole Sole LIVEPERSON INC CMN COM 538146101 2,419 133,577 SH Sole Sole LSB INDUSTRIES INC CMN COM 502160104 638 14,544 SH Sole Sole MARKET LEADER, INC CMN COM 57056R103 2,937 438,379 SH Sole Sole MATRIX SERVICE COMPANY CMN COM 576853105 2,255 213,142 SH Sole Sole MATTERSIGHT CORP CMN COM 577097108 1,164 196,637 SH Sole Sole MEDIFAST, INC. CMN COM 58470H101 1,705 65,191 SH Sole Sole MERCK & CO., INC. CMN COM 58933Y105 1,155 25,616 SH Sole Sole MICROSOFT CORPORATION CMN COM 594918104 4,505 151,364 SH Sole Sole MILLENNIAL MEDIA, INC. CMN COM 60040N105 1,033 72,000 SH Sole Sole NATIONSTAR MTG HLDGS INC CMN COM 63861C109 3,688 111,140 SH Sole Sole NATUS MEDICAL INC DEL CMN COM 639050103 638 48,808 SH Sole Sole NCR CORPORATION CMN COM 62886E108 2,475 106,195 SH Sole Sole NORTHERN OIL AND GAS, INC. CMN COM 665531109 197 11,618 SH Sole Sole NQ MOBILE INC ADR CMN COM 64118U108 2,647 330,836 SH Sole Sole NU SKIN ENTERPRISES INC CMN CLASS A COM 67018T105 382 9,831 SH Sole Sole NUANCE COMMUNICATIONS, INC. CMN COM 67020Y100 1,662 66,776 SH Sole Sole OCWEN FINANCIAL CORPORATION CMN COM 675746309 7,950 290,034 SH Sole Sole ONLINE RESOURCES CORPORATION CMN COM 68273G101 3,364 1,148,150 SH Sole Sole ORASURE TECHNOLOGIES INC CMN COM 68554V108 1,332 119,869 SH Sole Sole ORBCOMM INC. CMN COM 68555P100 587 156,968 SH Sole Sole ORBITZ WORLDWIDE INC CMN COM 68557K109 899 352,380 SH Sole Sole OXFORD IND INC CMN COM 691497309 234 4,138 SH Sole Sole PAIN THERAPEUTICS INC CMN COM 69562K100 551 109,180 SH Sole Sole PEP BOYS MANNY-MOE &JACK CMN COM 713278109 1,311 128,798 SH Sole Sole PERFORMANT FINANCIAL CORP CMN COM 71377E105 1,278 119,142 SH Sole Sole PFIZER INC. CMN COM 717081103 2,366 95,192 SH Sole Sole PHH CORPORATION CMN COM 693320202 2,054 100,936 SH Sole Sole PRGX GLOBAL INC CMN CLASS COM 69357C503 1,086 126,909 SH Sole Sole PRIMO WTR CORP CMN COM 74165N105 474 451,395 SH Sole Sole PRIMORIS SERVICES CORPORATION CMN COM 74164F103 896 68,653 SH Sole Sole PROOFPOINT INC CMN COM 743424103 2,164 145,716 SH Sole Sole PROS HOLDINGS, INC. CMN COM 74346Y103 1,691 88,684 SH Sole Sole QUALCOMM INC CMN COM 747525103 444 7,101 SH Sole Sole QUIDEL CORP CMN COM 74838J101 1,261 66,631 SH Sole Sole RENT-A-CENTER INC CMN COM 76009N100 2,074 59,198 SH Sole Sole ROCHESTER MEDICAL CORP CMN COM 771497104 2,508 212,397 SH Sole Sole ROCK-TENN CO. CL. A CMN CLASS A COM 772739207 1,411 19,551 SH Sole Sole SABA SOFTWARE INC CMN COM 784932600 3,306 330,932 SH Sole Sole SAGENT PHARMACEUTICALS INC. CMN COM 786692103 1,348 84,494 SH Sole Sole SALIX PHARMACEUTICALS, LTD. CMN COM 795435106 2,319 54,776 SH Sole Sole SCHOOL SPECIALTY, INC. COMMON STOCK COM 807863105 1,136 493,759 SH Sole Sole SCIQUEST, INC. CMN COM 80908T101 3,607 198,213 SH Sole Sole SEALED AIR CORPORATION CMN COM 81211K100 955 61,758 SH Sole Sole SHOE CARNIVAL INC CMN COM 824889109 6,509 276,609 SH Sole Sole SIGNET JEWELERS LIMITED CMN COM G81276100 1,340 27,474 SH Sole Sole SLM CORPORATION CMN COM 78442P106 1,228 78,138 SH Sole Sole SODASTREAM INTERNATIONAL LTD. CMN COM M9068E105 741 18,905 SH Sole Sole SONIC AUTOMOTIVE INC CLASS A CMN CLASS A COM 83545G102 1,808 95,259 SH Sole Sole SPECTRUM PHARMACEUTICALS INC CMN COM 84763A108 134 11,422 SH Sole Sole STAMPS COM INC CMN COM 852857200 3,240 140,005 SH Sole Sole STAPLES, INC. CMN COM 855030102 2,123 184,286 SH Sole Sole SUNOPTA INC CMN COM 8676EP108 1,343 210,116 SH Sole Sole SUNRISE SENIOR LIVING INC CMN COM 86768K106 1,420 99,491 SH Sole Sole TAKE TWO INTERACTIVE SOFTWARE INC COM 874054109 4,143 396,793 SH Sole Sole TELEFLEX INC. CMN COM 879369106 539 7,829 SH Sole Sole TEMPUR-PEDIC INTL INC. CMN COM 88023U101 906 30,295 SH Sole Sole TESSERA TECHNOLOGIES, INC. CMN COM 88164L100 1,054 77,065 SH Sole Sole TEVA PHARMACEUTICAL IND LTD ADS COM 881624209 1,693 40,877 SH Sole Sole THE GOODYEAR TIRE & RUBBER COM*PANY CMN COM 382550101 342 28,035 SH Sole Sole THE TRAVELERS COMPANIES, INC CMN COM 89417E109 628 9,207 SH Sole Sole THERAVANCE, INC. CMN COM 88338T104 4,750 183,330 SH Sole Sole UBIQUITI NETWORKS INC CMN COM 90347A100 1,052 88,439 SH Sole Sole UNISYS CORPORATION CMN COM 909214306 11,167 536,344 SH Sole Sole UNITED ONLINE INC CMN COM 911268100 252 45,726 SH Sole Sole UNITED STATIONERS INC CMN COM 913004107 575 22,058 SH Sole Sole UNITEDHEALTH GROUP INCORPORATE*D CMN COM 91324P102 723 13,054 SH Sole Sole UNIVERSAL STAINLESS & ALLOY CMN COM 913837100 417 11,229 SH Sole Sole VALASSIS COMMUNICATIONS INC CMN COM 918866104 861 34,889 SH Sole Sole VALEANT PHARMACEUTICALS INTL CMN COM 91911K102 3,887 70,326 SH Sole Sole VALUECLICK INC ORD CMN COM 92046N102 1,366 79,618 SH Sole Sole VELTI PLC CMN COM G93285107 4,467 533,739 SH Sole Sole VIRGIN MEDIA INC CMN COM 92769L101 627 21,302 SH Sole Sole VIRTUSA CORPORATION CMN COM 92827P102 3,314 186,470 SH Sole Sole VISA INC. CMN CLASS A COM 92826C839 433 3,222 SH Sole Sole VOCUS, INC. CMN COM 92858J108 2,344 116,847 SH Sole Sole WALGREEN CO. CMN COM 931422109 791 21,707 SH Sole Sole WALTER INVESTMENT MGMT CORP CMN COM 93317W102 3,480 94,016 SH Sole Sole WEB.COM GROUP, INC CMN COM 94733A104 8,093 450,859 SH Sole Sole WESTERN DIGITAL CORPORATION CMN COM 958102105 996 25,718 SH Sole Sole WHITING PETROLEUM CORPORATION CMN COM 966387102 1,128 23,811 SH Sole Sole XEROX CORPORATION CMN COM 984121103 1,713 233,370 SH Sole Sole XPO LOGISTICS INC CMN COM 983793100 1,044 85,327 SH Sole Sole XYLEM INC. CMN COM 98419M100 428 17,022 SH Sole Sole ZAGG INCORPORATED CMN COM 98884U108 1,640 192,273 SH Sole Sole ZALE CORP (NEW) CMN COM 988858106 7,520 1,089,851 SH Sole Sole ZIX CORPORATION CMN COM 98974P100 3,342 1,168,550 SH Sole Sole ZOGENIX, INC. CMN COM 98978L105 671 254,228 SH Sole Sole