Portolan Capital Management

Portolan Capital Management as of Sept. 30, 2012

Portfolio Holdings for Portolan Capital Management

Portolan Capital Management holds 190 positions in its portfolio as reported in the September 2012 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Ellie Mae 3.8 $14M 524k 27.23
Unisys Corporation (UIS) 3.0 $11M 536k 20.82
Altisource Portfolio Solns S reg (ASPS) 2.7 $10M 120k 86.25
Abiomed 2.3 $8.7M 415k 20.99
Web 2.1 $8.1M 451k 17.95
Ocwen Financial Corporation 2.1 $7.9M 290k 27.41
Zale Corporation 2.0 $7.5M 1.1M 6.90
Actuate Corporation 1.9 $7.0M 998k 7.03
Shoe Carnival (SCVL) 1.7 $6.5M 277k 23.53
Guidance Software 1.6 $6.2M 553k 11.26
Casual Male Retail 1.5 $5.7M 1.2M 4.63
Apple (AAPL) 1.5 $5.6M 8.3k 667.11
Cabela's Incorporated 1.4 $5.3M 97k 54.68
Fiesta Restaurant 1.3 $5.0M 312k 15.87
Acquity 1.3 $4.9M 498k 9.79
Theravance 1.3 $4.8M 183k 25.91
Hess (HES) 1.2 $4.6M 86k 53.72
Microsoft Corporation (MSFT) 1.2 $4.5M 151k 29.76
VELTI PLC ST Helier 1.2 $4.5M 534k 8.37
Take-Two Interactive Software (TTWO) 1.1 $4.1M 397k 10.44
Valeant Pharmaceuticals Int 1.0 $3.9M 70k 55.27
Genes (GCO) 1.0 $3.9M 58k 66.73
Exa 1.0 $3.8M 348k 10.85
Nationstar Mortgage 1.0 $3.7M 111k 33.18
Google 1.0 $3.7M 4.9k 754.40
SciQuest 0.9 $3.6M 198k 18.20
Encore Capital (ECPG) 0.9 $3.5M 125k 28.26
Walter Investment Management 0.9 $3.5M 94k 37.01
American Apparel 0.9 $3.5M 2.2M 1.54
Home Loan Servicing Solution ord 0.9 $3.4M 209k 16.28
Online Resources Corporation 0.9 $3.4M 1.1M 2.93
Virtusa Corporation 0.9 $3.3M 187k 17.77
Zix Corporation 0.9 $3.3M 1.2M 2.86
Saba Software 0.9 $3.3M 331k 9.99
Stamps 0.9 $3.2M 140k 23.14
Bravo Brio Restaurant 0.8 $3.0M 205k 14.55
Market Leader 0.8 $2.9M 438k 6.70
Casella Waste Systems (CWST) 0.8 $2.9M 669k 4.27
Dfc Global 0.8 $2.9M 168k 17.15
Capital Senior Living Corporation 0.8 $2.8M 195k 14.47
Central Garden & Pet (CENT) 0.7 $2.8M 233k 11.89
ACCO Brands Corporation (ACCO) 0.7 $2.7M 419k 6.49
DSW 0.7 $2.7M 41k 66.71
Alere 0.7 $2.6M 136k 19.49
Netqin Mobile 0.7 $2.6M 331k 8.00
Herbalife Ltd Com Stk (HLF) 0.7 $2.5M 53k 47.40
Rochester Medical Corporation 0.7 $2.5M 212k 11.81
NCR Corporation (VYX) 0.7 $2.5M 106k 23.31
LivePerson (LPSN) 0.6 $2.4M 134k 18.11
Keynote Systems 0.6 $2.4M 167k 14.48
Pfizer (PFE) 0.6 $2.4M 95k 24.86
Lexmark International 0.6 $2.4M 106k 22.25
Vocus 0.6 $2.3M 117k 20.06
Anika Therapeutics (ANIK) 0.6 $2.4M 157k 15.02
Kenexa Corporation 0.6 $2.3M 50k 45.84
Salix Pharmaceuticals 0.6 $2.3M 55k 42.34
Matrix Service Company (MTRX) 0.6 $2.3M 213k 10.58
Proofpoint 0.6 $2.2M 146k 14.85
Staples 0.6 $2.1M 184k 11.52
Lithia Motors (LAD) 0.6 $2.1M 64k 33.30
Rent-A-Center (UPBD) 0.6 $2.1M 59k 35.03
PHH Corporation 0.5 $2.1M 101k 20.35
Builders FirstSource (BLDR) 0.5 $1.9M 369k 5.19
Chiquita Brands International 0.5 $1.9M 249k 7.64
Computer Programs & Systems (TBRG) 0.5 $1.9M 34k 55.56
Abraxas Petroleum 0.5 $1.9M 814k 2.30
Jive Software 0.5 $1.8M 117k 15.71
Sonic Automotive (SAH) 0.5 $1.8M 95k 18.98
Electronic Arts (EA) 0.5 $1.7M 136k 12.69
Teva Pharmaceutical Industries (TEVA) 0.5 $1.7M 41k 41.42
Xerox Corporation 0.5 $1.7M 233k 7.34
Medifast (MED) 0.5 $1.7M 65k 26.15
PROS Holdings (PRO) 0.5 $1.7M 89k 19.07
inContact, Inc . 0.5 $1.7M 264k 6.50
Nuance Communications 0.4 $1.7M 67k 24.89
Generac Holdings (GNRC) 0.4 $1.7M 72k 22.89
Avg Technologies 0.4 $1.7M 175k 9.60
Zagg 0.4 $1.6M 192k 8.53
CarMax (KMX) 0.4 $1.6M 56k 28.30
Boise 0.4 $1.6M 179k 8.76
D Fluidigm Corp Del (LAB) 0.4 $1.6M 94k 17.00
Carrols Restaurant (TAST) 0.4 $1.5M 268k 5.76
First Cash Financial Services 0.4 $1.5M 32k 46.01
Federal Agricultural Mortgage (AGM) 0.4 $1.5M 57k 25.74
Sunrise Senior Living 0.4 $1.4M 100k 14.27
American Axle & Manufact. Holdings (AXL) 0.4 $1.4M 128k 11.27
Rock-Tenn Company 0.4 $1.4M 20k 72.17
ValueClick 0.4 $1.4M 80k 17.16
Sunopta (STKL) 0.4 $1.3M 210k 6.39
Sagent Pharmaceuticals 0.4 $1.3M 85k 15.95
Fossil 0.3 $1.3M 16k 84.71
51job 0.3 $1.3M 29k 44.79
Pep Boys - Manny, Moe & Jack 0.3 $1.3M 129k 10.18
OraSure Technologies (OSUR) 0.3 $1.3M 120k 11.11
Signet Jewelers (SIG) 0.3 $1.3M 28k 48.77
Constant Contact 0.3 $1.3M 74k 17.40
Emeritus Corporation 0.3 $1.3M 61k 20.95
Performant Finl (PFMT) 0.3 $1.3M 119k 10.73
Quidel Corporation 0.3 $1.3M 67k 18.93
SLM Corporation (SLM) 0.3 $1.2M 78k 15.72
Higher One Holdings 0.3 $1.2M 91k 13.47
Merck & Co (MRK) 0.3 $1.2M 26k 45.09
Mattersight Corp 0.3 $1.2M 197k 5.92
Whiting Petroleum Corporation 0.3 $1.1M 24k 47.37
School Specialty 0.3 $1.1M 494k 2.30
Aspen Technology 0.3 $1.1M 44k 25.84
Destination Maternity Corporation 0.3 $1.1M 61k 18.70
Horsehead Holding 0.3 $1.1M 116k 9.36
America's Car-Mart (CRMT) 0.3 $1.1M 24k 45.45
PRGX Global 0.3 $1.1M 127k 8.56
Ixia 0.3 $1.1M 68k 16.08
Asbury Automotive (ABG) 0.3 $1.0M 37k 27.95
Tessera Technologies 0.3 $1.1M 77k 13.68
Xpo Logistics Inc equity (XPO) 0.3 $1.0M 85k 12.24
Ubiquiti Networks 0.3 $1.1M 88k 11.90
Hartford Financial Services (HIG) 0.3 $1.0M 53k 19.43
Hospira 0.3 $1.0M 31k 32.81
Gibraltar Industries (ROCK) 0.3 $1.0M 79k 12.82
Millennial Media 0.3 $1.0M 72k 14.35
Western Digital (WDC) 0.3 $996k 26k 38.73
CVS Caremark Corporation (CVS) 0.3 $997k 21k 48.44
Baidu (BIDU) 0.3 $975k 8.3k 116.95
CF Industries Holdings (CF) 0.3 $980k 4.4k 222.32
Sealed Air (SEE) 0.2 $955k 62k 15.46
Orbitz Worldwide 0.2 $899k 352k 2.55
Tempur-Pedic International (TPX) 0.2 $906k 30k 29.91
Famous Dave's of America 0.2 $891k 94k 9.53
Primoris Services (PRIM) 0.2 $896k 69k 13.05
Linkedin Corp 0.2 $890k 7.4k 120.40
Hanesbrands (HBI) 0.2 $869k 27k 31.89
Valassis Communications 0.2 $861k 35k 24.68
Citi Trends (CTRN) 0.2 $855k 68k 12.55
Aon 0.2 $875k 17k 52.27
Affymetrix 0.2 $840k 194k 4.34
CAI International 0.2 $844k 41k 20.52
Alkermes (ALKS) 0.2 $836k 40k 20.74
Walgreen Company 0.2 $791k 22k 36.44
GenMark Diagnostics 0.2 $792k 86k 9.21
Sodastream International 0.2 $741k 19k 39.20
UnitedHealth (UNH) 0.2 $723k 13k 55.39
Kodiak Oil & Gas 0.2 $735k 79k 9.36
Genworth Financial (GNW) 0.2 $699k 134k 5.23
Becton, Dickinson and (BDX) 0.2 $688k 8.8k 78.61
CEC Entertainment 0.2 $688k 23k 30.12
Zogenix 0.2 $671k 254k 2.64
Travelers Companies (TRV) 0.2 $628k 9.2k 68.21
LSB Industries (LXU) 0.2 $638k 15k 43.87
Jos. A. Bank Clothiers 0.2 $641k 13k 48.48
Virgin Media 0.2 $627k 21k 29.43
Natus Medical 0.2 $638k 49k 13.07
Guidewire Software (GWRE) 0.2 $640k 21k 31.05
Crocs (CROX) 0.2 $609k 38k 16.20
Cisco Systems (CSCO) 0.2 $623k 33k 19.10
HEICO Corporation (HEI.A) 0.2 $602k 20k 30.53
Orbcomm 0.2 $587k 157k 3.74
Global Power Equipment Grp I 0.2 $597k 32k 18.48
United Stationers 0.1 $575k 22k 26.07
Pain Therapeutics 0.1 $551k 109k 5.05
KVH Industries (KVHI) 0.1 $553k 41k 13.49
Delphi Automotive 0.1 $577k 19k 31.00
EMC Corporation 0.1 $548k 20k 27.29
Teleflex Incorporated (TFX) 0.1 $539k 7.8k 68.85
Covenant Transportation (CVLG) 0.1 $513k 112k 4.60
Emerald Oil 0.1 $534k 643k 0.83
Primo Water Corporation 0.1 $474k 451k 1.05
Avid Technology 0.1 $454k 48k 9.47
Qualcomm (QCOM) 0.1 $444k 7.1k 62.53
Cubist Pharmaceuticals 0.1 $458k 9.6k 47.72
Visa (V) 0.1 $433k 3.2k 134.39
Universal Stainless & Alloy Products (USAP) 0.1 $417k 11k 37.14
Cosi 0.1 $429k 557k 0.77
Xylem (XYL) 0.1 $428k 17k 25.14
Nu Skin Enterprises (NUS) 0.1 $382k 9.8k 38.86
Advance Auto Parts (AAP) 0.1 $378k 5.5k 68.45
Lionbridge Technologies 0.1 $361k 103k 3.52
H&R Block (HRB) 0.1 $355k 21k 17.32
Goodyear Tire & Rubber Company (GT) 0.1 $342k 28k 12.20
Armstrong World Industries (AWI) 0.1 $355k 7.7k 46.35
3D Systems Corporation (DDD) 0.1 $348k 11k 32.88
Avago Technologies 0.1 $359k 10k 34.87
United Online 0.1 $252k 46k 5.51
Descartes Sys Grp (DSGX) 0.1 $283k 32k 8.73
Exelis 0.1 $265k 26k 10.36
Exacttarget 0.1 $265k 11k 24.25
Caesar Stone Sdot Yam (CSTE) 0.1 $282k 20k 14.10
Bottomline Technologies 0.1 $242k 9.8k 24.74
Oxford Industries (OXM) 0.1 $234k 4.1k 56.55
Northern Oil & Gas 0.1 $197k 12k 16.96
Great Lakes Dredge & Dock Corporation (GLDD) 0.0 $135k 18k 7.68
Spectrum Pharmaceuticals 0.0 $134k 11k 11.73