Portolan Capital Management

Portolan Capital Management as of June 30, 2012

Portfolio Holdings for Portolan Capital Management

Portolan Capital Management holds 158 positions in its portfolio as reported in the June 2012 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Ellie Mae 3.7 $12M 660k 18.00
Unisys Corporation (UIS) 3.5 $11M 561k 19.55
Altisource Portfolio Solns S reg 3.1 $9.9M 135k 73.23
Abiomed 3.0 $9.6M 421k 22.82
Web 2.9 $9.1M 500k 18.27
VELTI PLC ST Helier 2.3 $7.3M 1.1M 6.50
Fiesta Restaurant 2.1 $6.8M 515k 13.23
Actuate Corporation 1.8 $5.7M 821k 6.93
Apple (AAPL) 1.7 $5.4M 9.3k 583.98
Ocwen Financial Corporation 1.7 $5.3M 283k 18.78
Casual Male Retail 1.6 $5.0M 1.4M 3.63
Google 1.6 $5.0M 8.6k 580.08
Theravance 1.5 $4.9M 219k 22.22
Virtusa Corporation 1.5 $4.8M 358k 13.35
Guidance Software 1.5 $4.8M 501k 9.51
Saba Software 1.5 $4.6M 500k 9.28
Shoe Carnival (SCVL) 1.4 $4.5M 208k 21.49
Herbalife Ltd Com Stk (HLF) 1.4 $4.4M 91k 48.33
Encore Capital (ECPG) 1.3 $4.1M 139k 29.62
Zale Corporation 1.3 $4.1M 1.5M 2.69
Tessera Technologies 1.3 $4.0M 260k 15.37
Nationstar Mortgage 1.2 $3.8M 176k 21.52
Acquity 1.1 $3.6M 368k 9.85
Millennial Media 1.1 $3.5M 265k 13.19
Dfc Global 1.1 $3.4M 184k 18.43
51job 1.1 $3.3M 73k 45.55
Sonic Automotive (SAH) 1.0 $3.2M 237k 13.67
Kenexa Corporation 1.0 $3.1M 108k 29.03
DSW 1.0 $3.1M 58k 54.40
Casella Waste Systems (CWST) 0.9 $2.9M 504k 5.85
Cash America International 0.9 $2.9M 66k 44.04
CarMax (KMX) 0.9 $2.9M 110k 25.94
Rent-A-Center (UPBD) 0.9 $2.8M 84k 33.71
Nu Skin Enterprises (NUS) 0.9 $2.8M 60k 46.90
Central Garden & Pet (CENT) 0.9 $2.7M 262k 10.38
Lithia Motors (LAD) 0.8 $2.7M 116k 23.05
Rochester Medical Corporation 0.8 $2.7M 247k 10.76
School Specialty 0.8 $2.5M 778k 3.26
Federal Agricultural Mortgage (AGM) 0.8 $2.5M 97k 26.23
Capital Senior Living Corporation 0.8 $2.5M 239k 10.60
Nuance Communications 0.8 $2.5M 105k 23.82
US Airways 0.8 $2.4M 181k 13.33
Pfizer (PFE) 0.8 $2.4M 104k 23.00
Ubiquiti Networks 0.7 $2.3M 160k 14.25
UnitedHealth (UNH) 0.7 $2.2M 38k 58.50
Asbury Automotive (ABG) 0.7 $2.2M 94k 23.69
First Cash Financial Services 0.7 $2.2M 54k 40.16
Western Digital (WDC) 0.7 $2.1M 70k 30.48
Exacttarget 0.7 $2.1M 97k 21.86
Valassis Communications 0.7 $2.1M 95k 21.75
Carrols Restaurant 0.7 $2.1M 350k 5.94
Home Loan Servicing Solution ord 0.7 $2.1M 154k 13.40
Universal Stainless & Alloy Products (USAP) 0.6 $2.0M 49k 41.11
Pep Boys - Manny, Moe & Jack 0.6 $2.0M 198k 9.90
SLM Corporation (SLM) 0.6 $1.8M 118k 15.71
Keynote Systems 0.6 $1.8M 124k 14.85
Sagent Pharmaceuticals 0.6 $1.8M 102k 18.08
Callidus Software 0.6 $1.8M 361k 4.98
Proofpoint 0.6 $1.8M 104k 16.95
NCR Corporation (VYX) 0.5 $1.7M 76k 22.73
Zix Corporation 0.5 $1.7M 655k 2.60
Anika Therapeutics (ANIK) 0.5 $1.7M 126k 13.59
Constant Contact 0.5 $1.7M 95k 17.86
American Apparel 0.5 $1.6M 1.9M 0.86
CEC Entertainment 0.5 $1.6M 44k 36.36
Titan Machinery (TITN) 0.5 $1.6M 52k 30.36
Cabela's Incorporated 0.5 $1.6M 42k 37.81
Emeritus Corporation 0.5 $1.5M 92k 16.83
Alkermes (ALKS) 0.5 $1.6M 92k 16.97
Aon 0.5 $1.6M 33k 46.77
LivePerson (LPSN) 0.5 $1.5M 81k 19.06
Vocus 0.5 $1.4M 78k 18.60
Visa (V) 0.5 $1.4M 12k 123.60
Computer Programs & Systems (TBRG) 0.4 $1.4M 25k 57.23
Hess (HES) 0.4 $1.4M 32k 43.44
ACCO Brands Corporation (ACCO) 0.4 $1.4M 132k 10.34
LSB Industries (LXU) 0.4 $1.4M 44k 30.91
Salix Pharmaceuticals 0.4 $1.4M 25k 54.46
Covenant Transportation (CVLG) 0.4 $1.4M 368k 3.74
PHH Corporation 0.4 $1.3M 77k 17.48
Delta Air Lines (DAL) 0.4 $1.3M 121k 10.95
NetGear (NTGR) 0.4 $1.3M 39k 34.52
Hldgs (UAL) 0.4 $1.3M 55k 24.33
Citi Trends (CTRN) 0.4 $1.3M 85k 15.44
Genes (GCO) 0.4 $1.3M 21k 60.13
Sunrise Senior Living 0.4 $1.2M 170k 7.29
Monsanto Company 0.4 $1.2M 14k 82.80
Merck & Co (MRK) 0.4 $1.2M 28k 41.75
CF Industries Holdings (CF) 0.4 $1.2M 6.1k 193.81
Bottomline Technologies 0.4 $1.2M 65k 18.05
Aspen Technology 0.4 $1.2M 51k 23.15
Mattersight Corp 0.4 $1.2M 147k 7.98
Whiting Petroleum Corporation 0.4 $1.1M 28k 41.12
Walter Investment Management 0.4 $1.1M 49k 23.43
CAI International 0.3 $1.0M 51k 19.88
American Axle & Manufact. Holdings (AXL) 0.3 $973k 93k 10.48
Cubist Pharmaceuticals 0.3 $956k 25k 37.89
Builders FirstSource (BLDR) 0.3 $968k 204k 4.74
Valeant Pharmaceuticals Int 0.3 $952k 21k 44.81
Sodastream International 0.3 $948k 23k 40.96
Microsoft Corporation (MSFT) 0.3 $873k 29k 30.60
Hospira 0.3 $843k 24k 34.98
Sonic Corporation 0.3 $871k 87k 10.02
Famous Dave's of America 0.3 $873k 79k 11.05
Glu Mobile 0.3 $863k 156k 5.55
Facebook Inc cl a (META) 0.3 $868k 28k 31.11
Teva Pharmaceutical Industries (TEVA) 0.3 $828k 21k 39.43
Medifast (MED) 0.3 $823k 42k 19.68
Xpo Logistics Inc equity (XPO) 0.3 $816k 49k 16.81
Denny's Corporation (DENN) 0.2 $785k 178k 4.42
Simcere Pharmaceutical 0.2 $790k 88k 8.99
Sequenom 0.2 $788k 194k 4.06
Lionbridge Technologies 0.2 $805k 256k 3.15
Zogenix 0.2 $793k 320k 2.48
Hanesbrands (HBI) 0.2 $756k 27k 27.74
Online Resources Corporation 0.2 $760k 313k 2.43
Signet Jewelers (SIG) 0.2 $739k 17k 44.01
Crocs (CROX) 0.2 $690k 43k 16.14
Baxter International (BAX) 0.2 $712k 13k 53.19
CVS Caremark Corporation (CVS) 0.2 $711k 15k 46.76
Gibraltar Industries (ROCK) 0.2 $711k 69k 10.39
Descartes Sys Grp (DSGX) 0.2 $691k 83k 8.37
Delphi Automotive 0.2 $690k 27k 25.50
Adobe Systems Incorporated (ADBE) 0.2 $660k 20k 32.35
Becton, Dickinson and (BDX) 0.2 $662k 8.9k 74.73
EMC Corporation 0.2 $658k 26k 25.64
Teleflex Incorporated (TFX) 0.2 $656k 11k 60.92
KVH Industries (KVHI) 0.2 $673k 54k 12.50
Generac Holdings (GNRC) 0.2 $676k 28k 24.06
inContact, Inc . 0.2 $668k 133k 5.01
Fossil 0.2 $623k 8.1k 76.50
Walgreen Company 0.2 $642k 22k 29.58
Linkedin Corp 0.2 $641k 6.0k 106.20
J Global (ZD) 0.2 $614k 23k 26.44
Pain Therapeutics 0.2 $519k 111k 4.69
Orbcomm 0.2 $512k 157k 3.26
Kodiak Oil & Gas 0.2 $495k 60k 8.21
Affymetrix 0.1 $469k 100k 4.69
DISH Network 0.1 $487k 17k 28.56
Horsehead Holding 0.1 $481k 48k 9.97
Cosi 0.1 $488k 688k 0.71
Coeur d'Alene Mines Corporation (CDE) 0.1 $455k 26k 17.54
Qualcomm (QCOM) 0.1 $400k 7.2k 55.63
Santarus 0.1 $422k 60k 7.08
Xylem (XYL) 0.1 $428k 17k 25.14
GenMark Diagnostics 0.1 $373k 86k 4.34
Travelers Companies (TRV) 0.1 $312k 4.9k 63.91
Archer Daniels Midland Company (ADM) 0.1 $289k 9.8k 29.53
Biogen Idec (BIIB) 0.1 $297k 2.1k 144.46
Destination Maternity Corporation 0.1 $282k 13k 21.63
ShangPharma 0.1 $277k 41k 6.81
Bitauto Hldg 0.1 $244k 60k 4.08
Exelis 0.1 $252k 26k 9.85
Tripadvisor (TRIP) 0.1 $263k 5.9k 44.71
Abraxas Petroleum 0.1 $215k 68k 3.18
3D Systems Corporation (DDD) 0.1 $229k 6.7k 34.16
Spectrum Pharmaceuticals 0.1 $182k 12k 15.58
Great Lakes Dredge & Dock Corporation (GLDD) 0.0 $125k 18k 7.11