Portolan Capital Management

Portolan Capital Management as of Dec. 31, 2010

Portfolio Holdings for Portolan Capital Management

Portolan Capital Management holds 242 positions in its portfolio as reported in the December 2010 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
LivePerson (LPSN) 2.5 $13M 1.1M 11.30
Destination Maternity Corporation 2.2 $11M 283k 37.93
Abiomed 2.0 $10M 1.0M 9.61
Radiant Systems 1.5 $7.5M 381k 19.57
Nexen 1.5 $7.3M 320k 22.90
Medifast (MED) 1.4 $7.0M 241k 28.88
KVH Industries (KVHI) 1.4 $6.8M 566k 11.95
Virtusa Corporation 1.3 $6.3M 387k 16.36
Hess (HES) 1.2 $5.9M 77k 76.53
Web 1.2 $5.9M 695k 8.45
Dollar Financial 1.2 $5.8M 204k 28.63
SLM Corporation (SLM) 1.1 $5.3M 422k 12.59
Cash Store Finl Svcs (CSFSF) 1.0 $5.1M 332k 15.51
Genworth Financial (GNW) 1.0 $5.1M 385k 13.14
Weatherford International Lt reg 1.0 $5.0M 219k 22.80
Tuesday Morning Corporation 1.0 $4.8M 913k 5.28
Mercer International (MERC) 0.9 $4.7M 610k 7.75
Artio Global Investors 0.9 $4.7M 320k 14.75
Hertz Global Holdings 0.9 $4.7M 324k 14.49
Herbalife Ltd Com Stk (HLF) 0.9 $4.5M 66k 68.37
Hersha Hospitality Trust 0.9 $4.4M 673k 6.60
CAI International 0.9 $4.4M 226k 19.60
Buckeye Technologies 0.9 $4.4M 208k 21.01
MGM Resorts International. (MGM) 0.9 $4.3M 287k 14.85
Iconix Brand 0.8 $4.2M 218k 19.31
Federal-Mogul Corporation 0.8 $4.2M 204k 20.65
Mindray Medical International 0.8 $4.1M 156k 26.40
Rochester Medical Corporation 0.8 $4.1M 378k 10.92
Suncor Energy (SU) 0.8 $4.1M 108k 38.29
Bitauto Hldg 0.8 $4.1M 461k 8.84
Thoratec Corporation 0.8 $4.0M 141k 28.32
Lennar Corporation (LEN) 0.8 $3.9M 209k 18.75
Johnson Controls 0.8 $3.9M 103k 38.20
Louisiana-Pacific Corporation (LPX) 0.8 $3.9M 414k 9.46
Lionbridge Technologies 0.8 $4.0M 1.1M 3.69
Xerox Corporation 0.8 $3.9M 337k 11.52
Western Alliance Bancorporation (WAL) 0.8 $3.8M 519k 7.36
Micron Technology (MU) 0.8 $3.8M 469k 8.02
WuXi PharmaTech 0.8 $3.7M 230k 16.14
Tupperware Brands Corporation (TUP) 0.7 $3.6M 76k 47.67
Simcere Pharmaceutical 0.7 $3.6M 318k 11.41
MediaMind Technologies (MDMD) 0.7 $3.6M 264k 13.70
drugstore 0.7 $3.5M 1.6M 2.21
Federal Agricultural Mortgage (AGM) 0.7 $3.5M 215k 16.32
Huntington Bancshares Incorporated (HBAN) 0.7 $3.5M 504k 6.87
Pep Boys - Manny, Moe & Jack 0.7 $3.5M 260k 13.43
Research In Motion 0.7 $3.4M 59k 58.12
Casual Male Retail 0.7 $3.4M 716k 4.74
ArvinMeritor 0.7 $3.4M 163k 20.52
Gafisa SA 0.7 $3.3M 225k 14.53
CEC Entertainment 0.7 $3.3M 84k 38.83
Assured Guaranty (AGO) 0.7 $3.3M 186k 17.70
American Axle & Manufact. Holdings (AXL) 0.6 $3.2M 249k 12.86
Dana Holding Corporation (DAN) 0.6 $3.2M 183k 17.21
Progress Software Corporation (PRGS) 0.6 $3.1M 73k 42.40
Geokinetics 0.6 $3.1M 330k 9.29
Alliance Data Systems Corporation (BFH) 0.6 $3.0M 43k 71.04
Pulte (PHM) 0.6 $3.0M 397k 7.52
Citi 0.6 $3.0M 633k 4.73
Ness Technologies 0.6 $3.0M 499k 5.94
Citi Trends (CTRN) 0.6 $3.0M 121k 24.55
ShangPharma 0.6 $3.0M 259k 11.50
Conn's (CONN) 0.6 $2.8M 609k 4.68
ViaSat (VSAT) 0.6 $2.8M 63k 44.41
RSC Holdings 0.6 $2.8M 288k 9.74
Apache Corporation 0.6 $2.7M 23k 119.23
Tree 0.5 $2.7M 285k 9.45
Boise 0.5 $2.7M 339k 7.93
Sonic Automotive (SAH) 0.5 $2.7M 202k 13.24
Sealy Corporation 0.5 $2.7M 916k 2.92
Lexmark International 0.5 $2.6M 75k 34.82
Stoneridge (SRI) 0.5 $2.7M 168k 15.79
Buckle (BKE) 0.5 $2.5M 67k 37.77
Casella Waste Systems (CWST) 0.5 $2.5M 355k 7.09
China Yuchai Intl (CYD) 0.5 $2.5M 80k 31.69
Lithia Motors (LAD) 0.5 $2.5M 175k 14.29
ChinaEdu Corporation (CEDU) 0.5 $2.4M 310k 7.75
Altisource Portfolio Solns S reg (ASPS) 0.5 $2.3M 81k 28.71
Commercial Vehicle (CVGI) 0.5 $2.3M 143k 16.25
Microsoft Corporation (MSFT) 0.5 $2.3M 83k 27.91
Melco Crown Entertainment (MLCO) 0.5 $2.2M 354k 6.36
Fossil 0.4 $2.2M 31k 70.48
MGIC Investment (MTG) 0.4 $2.1M 210k 10.19
Comerica Incorporated (CMA) 0.4 $2.1M 50k 42.23
Hewlett-Packard Company 0.4 $2.0M 48k 42.10
Tenne 0.4 $2.1M 50k 41.16
O'Charley's 0.4 $2.0M 284k 7.20
Hittite Microwave Corporation 0.4 $2.0M 33k 61.03
Ocwen Financial Corporation 0.4 $2.0M 211k 9.54
eLoyalty Corporation (ELOY) 0.4 $2.1M 321k 6.40
Google 0.4 $2.0M 3.4k 593.93
Pmi Group 0.4 $2.0M 608k 3.30
New York Community Ban (NYCB) 0.4 $2.0M 105k 18.85
USANA Health Sciences (USNA) 0.4 $2.0M 46k 43.44
NuVasive 0.4 $2.0M 77k 25.66
Ford Motor Company (F) 0.4 $2.0M 117k 16.79
Janus Capital 0.4 $1.9M 149k 12.97
DURECT Corporation 0.4 $1.9M 562k 3.45
Anika Therapeutics (ANIK) 0.4 $1.9M 292k 6.67
Entegris (ENTG) 0.4 $1.9M 255k 7.47
Crawford & Company (CRD.B) 0.4 $1.9M 559k 3.40
NCR Corporation (VYX) 0.4 $1.8M 120k 15.37
Intevac (IVAC) 0.4 $1.8M 132k 14.01
LSB Industries (LXU) 0.4 $1.8M 76k 24.26
Epicor Software Corporation 0.4 $1.9M 184k 10.10
Donaldson Company (DCI) 0.4 $1.8M 30k 58.29
Owens-Illinois 0.4 $1.8M 58k 30.69
Qiagen 0.4 $1.8M 92k 19.55
Five Star Quality Care 0.4 $1.8M 257k 7.07
1-800-flowers (FLWS) 0.4 $1.8M 664k 2.69
Starbucks Corporation (SBUX) 0.3 $1.7M 54k 32.12
Seagate Technology Com Stk 0.3 $1.7M 115k 15.03
Wabash National Corporation (WNC) 0.3 $1.7M 146k 11.85
DSW 0.3 $1.8M 45k 39.09
Guidance Software 0.3 $1.8M 244k 7.19
LeapFrog Enterprises 0.3 $1.7M 299k 5.55
Kodiak Oil & Gas 0.3 $1.6M 250k 6.60
Apple (AAPL) 0.3 $1.6M 4.9k 322.52
Strategic Hotels & Resorts 0.3 $1.6M 303k 5.29
Pain Therapeutics 0.3 $1.6M 234k 6.75
Carrols Restaurant (TAST) 0.3 $1.6M 216k 7.42
People's United Financial 0.3 $1.5M 110k 14.01
Meritage Homes Corporation (MTH) 0.3 $1.5M 70k 22.19
InterContinental Hotels 0.3 $1.5M 77k 19.73
Alkermes 0.3 $1.5M 125k 12.28
Penske Automotive (PAG) 0.3 $1.5M 85k 17.42
Gibraltar Industries (ROCK) 0.3 $1.5M 110k 13.57
Jos. A. Bank Clothiers 0.3 $1.5M 37k 40.32
D.R. Horton (DHI) 0.3 $1.4M 119k 11.93
Big Lots (BIG) 0.3 $1.5M 48k 30.47
Saba Software 0.3 $1.4M 227k 6.12
PNC Financial Services (PNC) 0.3 $1.3M 22k 60.71
Baker Hughes Incorporated 0.3 $1.3M 23k 57.16
Methanex Corp (MEOH) 0.3 $1.3M 44k 30.39
Collective Brands 0.3 $1.4M 64k 21.11
Knoll 0.3 $1.3M 81k 16.73
3SBio (SSRX) 0.3 $1.4M 89k 15.17
Synovus Financial 0.3 $1.3M 489k 2.64
Kenexa Corporation 0.3 $1.3M 58k 21.78
Western Digital (WDC) 0.2 $1.2M 36k 33.89
Crawford & Company (CRD.A) 0.2 $1.2M 506k 2.43
Bank of America Corporation (BAC) 0.2 $1.2M 90k 13.34
Republic Services (RSG) 0.2 $1.2M 40k 29.86
Sonic Corporation 0.2 $1.2M 117k 10.12
Whiting Petroleum Corporation 0.2 $1.2M 10k 117.22
QuinStreet (QNST) 0.2 $1.2M 63k 19.21
Guess? (GES) 0.2 $1.1M 24k 47.33
Keynote Systems 0.2 $1.2M 80k 14.62
Gain Capital Holdings 0.2 $1.1M 122k 9.20
Paychex (PAYX) 0.2 $1.1M 35k 30.92
US Airways 0.2 $1.1M 109k 10.01
Huntsman Corporation (HUN) 0.2 $1.1M 70k 15.61
Fidelity National Information Services (FIS) 0.2 $1.0M 38k 27.40
Ruth's Hospitality 0.2 $1.0M 222k 4.63
Oasis Petroleum 0.2 $1.1M 39k 27.11
Bank of America Corporation (BAC) 0.2 $1.0M 10k 101.50
Lumber Liquidators Holdings (LL) 0.2 $996k 40k 24.92
eResearch Technology 0.2 $980k 133k 7.35
Microsemi Corporation 0.2 $1.0M 44k 22.91
ModusLink Global Solutions 0.2 $1.0M 151k 6.71
RTI Biologics 0.2 $997k 374k 2.67
Occidental Petroleum Corporation (OXY) 0.2 $962k 9.8k 98.06
Wet Seal 0.2 $959k 259k 3.70
Abraxas Petroleum 0.2 $945k 207k 4.57
Support 0.2 $954k 147k 6.48
Baxter International (BAX) 0.2 $905k 18k 50.60
Orbital Sciences 0.2 $908k 53k 17.14
America's Car-Mart (CRMT) 0.2 $887k 33k 27.09
AsiaInfo-Linkage 0.2 $919k 56k 16.57
Finish Line 0.2 $894k 52k 17.19
BioMed Realty Trust 0.2 $875k 47k 18.65
Alnylam Pharmaceuticals (ALNY) 0.2 $895k 91k 9.86
Cisco Systems (CSCO) 0.2 $829k 41k 20.23
P.H. Glatfelter Company 0.2 $860k 70k 12.26
Marlin Business Services 0.2 $839k 66k 12.64
Costamare (CMRE) 0.2 $835k 58k 14.46
Becton, Dickinson and (BDX) 0.2 $773k 9.1k 84.55
ValueClick 0.2 $782k 49k 16.04
Stage Stores 0.2 $808k 47k 17.34
DineEquity (DIN) 0.2 $807k 16k 49.40
Skechers USA (SKX) 0.2 $805k 40k 19.99
California Pizza Kitchen 0.2 $772k 45k 17.29
3M Company (MMM) 0.1 $771k 8.9k 86.33
Apogee Enterprises (APOG) 0.1 $739k 55k 13.47
Abaxis 0.1 $732k 27k 26.84
Hsbc Holdings 0.1 $762k 74k 10.25
State Street Corporation (STT) 0.1 $635k 14k 46.33
Charming Shoppes 0.1 $666k 188k 3.55
Walter Investment Management 0.1 $650k 36k 17.93
NII Holdings 0.1 $595k 13k 44.67
Yahoo! 0.1 $616k 37k 16.63
Diodes Incorporated (DIOD) 0.1 $603k 22k 27.00
At&t (T) 0.1 $528k 18k 29.36
Coach 0.1 $539k 9.7k 55.34
Steelcase (SCS) 0.1 $528k 50k 10.56
Cost Plus 0.1 $556k 57k 9.71
Olin Corporation (OLN) 0.1 $563k 27k 20.53
DISH Network 0.1 $550k 28k 19.68
Host Hotels & Resorts (HST) 0.1 $517k 29k 17.88
Verizon Communications (VZ) 0.1 $490k 14k 35.79
Alere 0.1 $517k 14k 36.57
Hologic (HOLX) 0.1 $442k 24k 18.81
Nu Skin Enterprises (NUS) 0.1 $455k 15k 30.28
Chiquita Brands International 0.1 $446k 32k 14.01
Celestica (CLS) 0.1 $470k 48k 9.71
Furniture Brands International 0.1 $450k 88k 5.14
Ares Capital Corporation (ARCC) 0.1 $451k 27k 16.48
China Mobile 0.1 $438k 44k 9.93
China Unicom 0.1 $462k 323k 1.43
Carter's (CRI) 0.1 $399k 14k 29.48
Glimcher Realty Trust 0.1 $388k 46k 8.40
Vistaprint N V 0.1 $414k 9.0k 46.02
Nara Ban 0.1 $385k 39k 9.84
QLogic Corporation 0.1 $396k 23k 17.03
Aspen Technology 0.1 $390k 31k 12.69
Generac Holdings (GNRC) 0.1 $384k 24k 16.16
Owens Corning (OC) 0.1 $359k 12k 31.11
Gen-Probe Incorporated 0.1 $328k 5.6k 58.34
Genes (GCO) 0.1 $345k 9.2k 37.44
Titan International (TWI) 0.1 $352k 18k 19.54
Asbury Automotive (ABG) 0.1 $344k 19k 18.50
Deckers Outdoor Corporation (DECK) 0.1 $365k 4.6k 79.73
Blue Coat Systems 0.1 $285k 9.5k 29.92
Manhattan Associates (MANH) 0.1 $283k 9.3k 30.54
PHC 0.1 $284k 170k 1.67
Summer Infant 0.1 $286k 38k 7.57
j2 Global Communications 0.1 $268k 9.3k 28.97
Rex American Resources (REX) 0.1 $256k 17k 15.35
Huntington Bancshares Inc pfd conv ser a 0.1 $252k 231.00 1090.91
China Kanghui Holdings 0.1 $232k 13k 18.54
Sprint Nextel Corporation 0.0 $217k 51k 4.24
JAKKS Pacific 0.0 $205k 11k 18.24
Gaylord Entertainment Company 0.0 $200k 5.6k 35.93
Modine Manufacturing (MOD) 0.0 $208k 13k 15.50
SMURFIT KAPPA PUBLIC LIMITED Company Cmn 0.0 $129k 13k 9.73
Nic 0.0 $107k 11k 9.73
MCG Capital Corporation 0.0 $75k 11k 6.98
CDC Software 0.0 $78k 12k 6.34
Tasty Baking Company (TSTY) 0.0 $111k 18k 6.34
WTS/IRIDIUM COMMUNICATIONS Inc. wts 0.0 $114k 46k 2.48
iParty (IPT) 0.0 $30k 105k 0.29
Hollywood Media Corporation (HOLL) 0.0 $16k 10k 1.60