Portolan Capital Management

Portolan Capital Management as of March 31, 2013

Portfolio Holdings for Portolan Capital Management

Portolan Capital Management holds 191 positions in its portfolio as reported in the March 2013 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Cabela's Incorporated 2.5 $8.9M 146k 60.78
Altisource Portfolio Solns S reg 2.0 $7.2M 103k 69.75
Move 2.0 $7.1M 591k 11.95
Web 2.0 $7.0M 408k 17.08
Ellie Mae 1.9 $6.8M 281k 24.05
Zale Corporation 1.8 $6.5M 1.6M 3.93
Abraxas Petroleum 1.7 $6.1M 2.7M 2.31
Abiomed 1.7 $6.1M 325k 18.67
Ocwen Financial Corporation 1.6 $5.5M 146k 37.92
Guidance Software 1.5 $5.3M 493k 10.85
Tuesday Morning Corporation 1.4 $5.1M 662k 7.76
Genworth Financial (GNW) 1.4 $5.1M 513k 10.00
Hertz Global Holdings 1.3 $4.5M 204k 22.26
Owens Corning (OC) 1.2 $4.4M 112k 39.43
Take-Two Interactive Software (TTWO) 1.2 $4.4M 273k 16.15
Capital One Financial (COF) 1.2 $4.3M 79k 54.95
Market Leader 1.2 $4.3M 477k 8.96
Whiting Petroleum Corporation 1.2 $4.2M 83k 50.84
CAI International 1.2 $4.2M 147k 28.82
Proofpoint 1.2 $4.1M 244k 16.86
Hess (HES) 1.1 $4.1M 57k 71.61
American Apparel 1.1 $4.0M 1.8M 2.17
Theravance 1.1 $3.9M 167k 23.62
Responsys 1.1 $3.9M 440k 8.85
Standard Pacific 1.1 $3.8M 440k 8.64
Fossil 1.0 $3.6M 37k 96.61
Caesar Stone Sdot Yam (CSTE) 1.0 $3.5M 134k 26.40
Capital Senior Living Corporation 1.0 $3.5M 131k 26.43
Buckeye Technologies 1.0 $3.4M 115k 29.95
Forestar 0.9 $3.3M 151k 21.86
Builders FirstSource (BLDR) 0.9 $3.2M 551k 5.86
BlueLinx Holdings 0.9 $3.2M 1.1M 2.85
Fiesta Restaurant 0.9 $3.2M 122k 26.57
Comverse 0.9 $3.2M 113k 28.04
Crocs (CROX) 0.9 $3.1M 208k 14.82
Horsehead Holding 0.9 $3.1M 283k 10.88
Virtusa Corporation 0.9 $3.1M 130k 23.76
Nu Skin Enterprises (NUS) 0.8 $3.0M 67k 44.21
inContact, Inc . 0.8 $3.0M 371k 8.09
Herbalife Ltd Com Stk (HLF) 0.8 $2.9M 78k 37.45
Hovnanian Enterprises 0.8 $2.9M 498k 5.77
Emeritus Corporation 0.8 $2.9M 103k 27.79
Stamps 0.8 $2.8M 114k 24.97
Citigroup (C) 0.8 $2.8M 64k 44.25
MGIC Investment (MTG) 0.8 $2.8M 561k 4.95
Avis Budget (CAR) 0.8 $2.7M 99k 27.83
Medifast (MED) 0.8 $2.7M 120k 22.92
LivePerson 0.8 $2.7M 203k 13.58
M/I Homes (MHO) 0.8 $2.7M 112k 24.45
RPM International (RPM) 0.8 $2.7M 84k 31.58
Radian (RDN) 0.8 $2.6M 247k 10.71
Ford Motor Company (F) 0.7 $2.6M 199k 13.15
QuinStreet (QNST) 0.7 $2.5M 417k 5.97
US Airways 0.7 $2.4M 143k 16.97
Saba Software 0.7 $2.4M 299k 7.95
KapStone Paper and Packaging 0.7 $2.4M 85k 27.80
Acquity 0.7 $2.3M 369k 6.35
Altisource Residential Corp cl b 0.7 $2.3M 117k 20.00
Baidu (BIDU) 0.7 $2.3M 26k 87.70
Millennial Media 0.7 $2.3M 364k 6.35
Anika Therapeutics (ANIK) 0.6 $2.3M 157k 14.52
Actuate Corporation 0.6 $2.2M 373k 6.01
Nelnet (NNI) 0.6 $2.2M 65k 33.80
Bank of America Corporation (BAC) 0.6 $2.1M 175k 12.18
Encore Capital (ECPG) 0.6 $2.1M 70k 30.09
Rent-A-Center (UPBD) 0.6 $2.1M 56k 36.95
Google 0.6 $2.0M 2.6k 794.05
Armstrong World Industries (AWI) 0.6 $2.0M 35k 55.90
Destination Xl (DXLG) 0.6 $2.0M 394k 5.09
Huntington Bancshares Incorporated (HBAN) 0.6 $1.9M 263k 7.37
Hldgs (UAL) 0.6 $2.0M 61k 32.00
First PacTrust Ban 0.6 $1.9M 171k 11.40
PNC Financial Services (PNC) 0.5 $1.9M 29k 66.51
51job 0.5 $1.8M 30k 59.40
iGATE Corporation 0.5 $1.8M 95k 18.84
Bravo Brio Restaurant 0.5 $1.8M 112k 15.83
Zions Bancorporation (ZION) 0.5 $1.7M 69k 24.99
Walter Investment Management 0.5 $1.7M 47k 37.25
Apple (AAPL) 0.5 $1.7M 3.8k 442.61
Griffon Corporation (GFF) 0.5 $1.7M 144k 11.92
DSW 0.5 $1.6M 26k 63.82
SLM Corporation (SLM) 0.5 $1.6M 79k 20.49
Tenne 0.4 $1.6M 40k 39.32
Sonic Automotive (SAH) 0.4 $1.6M 71k 22.15
Mueller Water Products (MWA) 0.4 $1.5M 255k 5.93
Zix Corporation 0.4 $1.5M 428k 3.58
Salem Communications (SALM) 0.4 $1.5M 193k 7.93
Home Loan Servicing Solution ord 0.4 $1.5M 65k 23.34
Salix Pharmaceuticals 0.4 $1.5M 29k 51.19
Signet Jewelers (SIG) 0.4 $1.4M 21k 66.99
Magnum Hunter Resources Corporation 0.4 $1.4M 355k 4.01
Tempur-Pedic International (SGI) 0.4 $1.4M 28k 49.64
Kodiak Oil & Gas 0.4 $1.4M 154k 9.09
Exa 0.4 $1.4M 146k 9.52
PHH Corporation 0.4 $1.3M 61k 21.96
Dfc Global 0.4 $1.3M 77k 16.64
Valeant Pharmaceuticals Int 0.3 $1.3M 17k 75.04
Carrols Restaurant 0.3 $1.2M 231k 5.19
Pep Boys - Manny, Moe & Jack 0.3 $1.2M 100k 11.79
PrivateBan 0.3 $1.1M 59k 18.90
Teva Pharmaceutical Industries (TEVA) 0.3 $1.1M 28k 39.68
Unisys Corporation (UIS) 0.3 $1.1M 48k 22.76
Olin Corporation (OLN) 0.3 $1.1M 42k 25.23
Tronox 0.3 $1.1M 53k 19.80
National-Oilwell Var 0.3 $1.0M 15k 70.73
Genes (GCO) 0.3 $1.0M 17k 60.07
Vocus 0.3 $1.0M 72k 14.15
Electronic Arts (EA) 0.3 $988k 56k 17.71
Pier 1 Imports 0.3 $1.0M 44k 23.00
Newfield Exploration 0.3 $980k 44k 22.42
ValueClick 0.3 $982k 33k 29.57
Computer Programs & Systems (TBRG) 0.3 $993k 18k 54.10
Denbury Resources 0.3 $1.0M 54k 18.65
Suncor Energy (SU) 0.3 $1.0M 34k 30.01
Hartford Financial Services (HIG) 0.3 $947k 37k 25.79
Walgreen Company 0.3 $964k 20k 47.67
Rock-Tenn Company 0.3 $962k 10k 92.81
Bed Bath & Beyond 0.3 $937k 15k 64.43
Shoe Carnival (SCVL) 0.3 $911k 45k 20.44
Alere 0.3 $909k 36k 25.54
Strategic Hotels & Resorts 0.2 $873k 105k 8.35
Casella Waste Systems (CWST) 0.2 $898k 205k 4.37
Travelers Companies (TRV) 0.2 $845k 10k 84.23
Northern Oil & Gas 0.2 $835k 58k 14.39
Tessera Technologies 0.2 $836k 45k 18.76
Performant Finl (PHLT) 0.2 $840k 68k 12.28
Boise 0.2 $811k 94k 8.66
Chart Industries (GTLS) 0.2 $769k 9.6k 80.00
Wilshire Ban 0.2 $790k 117k 6.78
Citi Trends (CTRN) 0.2 $767k 75k 10.23
Staples 0.2 $737k 55k 13.41
Titan Machinery (TITN) 0.2 $759k 27k 27.77
Dick's Sporting Goods (DKS) 0.2 $709k 15k 47.32
Old Republic International Corporation (ORI) 0.2 $696k 55k 12.71
Monro Muffler Brake (MNRO) 0.2 $703k 18k 39.73
TriCo Bancshares (TCBK) 0.2 $699k 41k 17.09
OfficeMax Incorporated 0.2 $703k 61k 11.61
Sunopta (STKL) 0.2 $700k 97k 7.20
Constant Contact 0.2 $722k 56k 12.98
E.I. du Pont de Nemours & Company 0.2 $661k 13k 49.17
Central Garden & Pet (CENT) 0.2 $688k 80k 8.62
Aon 0.2 $679k 11k 61.48
Chiquita Brands International 0.2 $622k 80k 7.76
Oxford Industries (OXM) 0.2 $635k 12k 53.06
American Woodmark Corporation (AMWD) 0.2 $588k 17k 34.05
Matrix Service Company (MTRX) 0.2 $606k 41k 14.89
Xpo Logistics Inc equity (XPO) 0.2 $606k 36k 16.85
Western Union Company (WU) 0.2 $580k 39k 15.04
Five Star Quality Care 0.2 $576k 86k 6.68
Exacttarget 0.2 $581k 25k 23.27
John Wiley & Sons (WLY) 0.1 $531k 14k 38.93
Cubist Pharmaceuticals 0.1 $533k 11k 46.79
Federal Agricultural Mortgage (AGM) 0.1 $548k 18k 30.80
Aspen Technology 0.1 $549k 17k 32.29
GenMark Diagnostics 0.1 $517k 40k 12.93
Clean Harbors (CLH) 0.1 $502k 8.6k 58.08
CarMax (KMX) 0.1 $485k 12k 41.68
Mead Johnson Nutrition 0.1 $506k 6.5k 77.50
Lionbridge Technologies 0.1 $502k 130k 3.87
Valassis Communications 0.1 $461k 15k 29.87
CF Industries Holdings (CF) 0.1 $473k 2.5k 190.27
Bank of Marin Ban (BMRC) 0.1 $456k 11k 40.05
Johnson Controls 0.1 $441k 13k 35.09
Las Vegas Sands (LVS) 0.1 $420k 7.4k 56.38
Occidental Petroleum Corporation (OXY) 0.1 $416k 5.3k 78.28
American Axle & Manufact. Holdings (DCH) 0.1 $421k 31k 13.66
Xylem (XYL) 0.1 $437k 16k 27.54
Suntrust Banks Inc $1.00 Par Cmn 0.1 $396k 14k 28.79
LSB Industries (LXU) 0.1 $395k 11k 34.81
Poly 0.1 $376k 34k 11.08
Vitran Corp 0.1 $385k 63k 6.12
Nuance Communications 0.1 $362k 18k 20.15
Walter Energy 0.1 $349k 12k 28.50
Covenant Transportation (CVLG) 0.1 $354k 59k 6.05
Men's Wearhouse 0.1 $319k 9.5k 33.45
JAKKS Pacific 0.1 $336k 32k 10.50
Euronet Worldwide (EEFT) 0.1 $267k 10k 26.33
Bottomline Technologies 0.1 $279k 9.8k 28.52
Global Power Equipment Grp I 0.1 $285k 16k 17.64
Primo Water Corporation 0.1 $296k 269k 1.10
Linkedin Corp 0.1 $289k 1.6k 176.00
Comerica Incorporated 0.1 $239k 6.7k 35.91
Domtar Corp 0.1 $247k 3.2k 77.53
ModusLink Global Solutions 0.1 $255k 77k 3.30
Jos. A. Bank Clothiers 0.1 $259k 6.5k 39.85
Famous Dave's of America 0.1 $235k 22k 10.88
Mosaic (MOS) 0.1 $253k 4.2k 59.64
Gibraltar Industries (ROCK) 0.1 $213k 12k 18.29
SciQuest 0.1 $223k 9.3k 24.03
VELTI PLC ST Helier 0.0 $152k 76k 1.99
Lifelock 0.0 $113k 12k 9.63