Portolan Capital Management

Portolan Capital Management as of Dec. 31, 2016

Portfolio Holdings for Portolan Capital Management

Portolan Capital Management holds 125 positions in its portfolio as reported in the December 2016 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Casella Waste Systems (CWST) 5.0 $37M 3.0M 12.41
Stamps 3.9 $29M 249k 114.65
Callidus Software 3.1 $23M 1.4M 16.80
Alphabet Inc Class C cs (GOOG) 2.6 $19M 25k 771.81
NxStage Medical 2.0 $15M 576k 26.21
Bio-Rad Laboratories (BIO) 1.9 $14M 79k 182.28
VCA Antech 1.8 $13M 191k 68.65
Ferroglobe (GSM) 1.8 $13M 1.2M 10.83
Skechers USA (SKX) 1.7 $13M 524k 24.58
Goodyear Tire & Rubber Company (GT) 1.7 $12M 402k 30.87
Care 1.6 $12M 1.4M 8.57
Euronet Worldwide (EEFT) 1.6 $12M 165k 72.43
Hortonworks 1.6 $12M 1.4M 8.31
Unisys Corporation (UIS) 1.6 $12M 786k 14.95
United Therapeutics Corporation (UTHR) 1.6 $12M 81k 143.43
Matador Resources (MTDR) 1.5 $11M 430k 25.76
Gulfport Energy Corporation 1.4 $10M 469k 21.64
Godaddy Inc cl a (GDDY) 1.3 $9.9M 284k 34.95
Altisource Residential Corp cl b 1.2 $9.2M 834k 11.04
Box Inc cl a (BOX) 1.2 $9.1M 655k 13.86
Fiesta Restaurant 1.2 $8.9M 299k 29.85
SLM Corporation (SLM) 1.2 $8.8M 802k 11.02
Vonage Holdings 1.1 $8.4M 1.2M 6.85
CF Industries Holdings (CF) 1.1 $8.1M 259k 31.48
Square Inc cl a (SQ) 1.1 $8.2M 601k 13.63
Ringcentral (RNG) 1.1 $8.1M 392k 20.60
Paypal Holdings (PYPL) 1.0 $7.7M 195k 39.47
J Global (ZD) 1.0 $7.6M 93k 81.80
Instructure 1.0 $7.5M 383k 19.55
Nomad Foods (NOMD) 1.0 $7.4M 776k 9.57
Adobe Systems Incorporated (ADBE) 1.0 $7.4M 71k 102.95
East West Ban (EWBC) 1.0 $7.2M 142k 50.83
Carbonite 1.0 $7.2M 437k 16.40
Pbf Energy Inc cl a (PBF) 0.9 $7.0M 251k 27.88
Wix (WIX) 0.9 $6.9M 155k 44.55
Abraxas Petroleum 0.9 $6.9M 2.7M 2.57
Citizens Financial (CFG) 0.9 $6.9M 193k 35.63
Resolute Energy 0.9 $6.8M 164k 41.19
E TRADE Financial Corporation 0.9 $6.7M 193k 34.65
Synergy Res Corp 0.9 $6.5M 733k 8.91
Wintrust Financial Corporation (WTFC) 0.9 $6.4M 88k 72.58
Destination Xl (DXLG) 0.9 $6.4M 1.5M 4.25
SVB Financial (SIVBQ) 0.8 $6.3M 37k 171.66
8x8 (EGHT) 0.8 $6.3M 443k 14.30
Capital Senior Living Corporation 0.8 $6.1M 383k 16.05
Xo Group 0.8 $6.1M 315k 19.45
KapStone Paper and Packaging 0.8 $6.1M 275k 22.05
Facebook Inc cl a (META) 0.8 $6.0M 52k 115.06
Abiomed 0.8 $5.8M 52k 112.68
AtriCure (ATRC) 0.8 $5.8M 298k 19.57
ardmore Shipping (ASC) 0.8 $5.8M 781k 7.40
Tronox 0.8 $5.6M 542k 10.31
TCF Financial Corporation 0.7 $5.5M 280k 19.59
United Rentals (URI) 0.7 $5.4M 52k 105.58
Match 0.7 $5.4M 318k 17.10
Five9 (FIVN) 0.7 $5.3M 376k 14.19
Ubs Group (UBS) 0.7 $5.3M 336k 15.67
Hubspot (HUBS) 0.7 $5.3M 112k 47.00
Ebix 0.7 $5.2M 91k 57.05
Cooper Tire & Rubber Company 0.7 $5.0M 130k 38.85
Inphi Corporation 0.7 $5.0M 112k 44.62
Oclaro 0.7 $5.0M 560k 8.95
Voya Financial (VOYA) 0.7 $5.0M 128k 39.22
Fifth Third Ban (FITB) 0.7 $4.9M 182k 26.97
Autobytel 0.7 $4.9M 366k 13.45
Conformis 0.7 $4.9M 607k 8.10
Scorpio Tankers 0.7 $4.8M 1.1M 4.53
Ellie Mae 0.6 $4.6M 56k 83.67
Nuance Communications 0.6 $4.6M 309k 14.90
CONSOL Energy 0.6 $4.5M 249k 18.23
Qualys (QLYS) 0.6 $4.5M 143k 31.65
Gastar Exploration 0.6 $4.4M 2.8M 1.55
Carrols Restaurant (TAST) 0.6 $4.3M 285k 15.25
Covenant Transportation (CVLG) 0.6 $4.3M 223k 19.34
Zendesk 0.6 $4.2M 198k 21.20
Pacific Ethanol 0.5 $4.0M 424k 9.50
Ares Capital Corporation (ARCC) 0.5 $3.9M 239k 16.49
PacWest Ban 0.5 $3.9M 72k 54.44
Fabrinet (FN) 0.5 $3.7M 92k 40.30
Virtusa Corporation 0.5 $3.7M 146k 25.12
Deutsche Bank Ag-registered (DB) 0.5 $3.5M 191k 18.10
Alarm Com Hldgs (ALRM) 0.5 $3.4M 123k 27.83
Anika Therapeutics (ANIK) 0.5 $3.3M 68k 48.96
Intrepid Potash 0.5 $3.4M 1.6M 2.08
Qad Inc cl a 0.5 $3.4M 110k 30.40
Wayfair (W) 0.4 $3.3M 93k 35.05
Lumentum Hldgs (LITE) 0.4 $3.3M 84k 38.65
Premier (PINC) 0.4 $3.2M 105k 30.36
Orion Engineered Carbons (OEC) 0.4 $3.2M 169k 18.85
Kraton Performance Polymers 0.4 $3.1M 108k 28.48
Flamel Technologies 0.4 $2.9M 279k 10.39
Electronic Arts (EA) 0.4 $2.8M 36k 78.77
Signature Bank (SBNY) 0.4 $2.6M 18k 150.22
Ban (TBBK) 0.4 $2.7M 343k 7.86
Five Star Quality Care 0.3 $2.6M 973k 2.70
Mercer International (MERC) 0.3 $2.6M 245k 10.65
Under Armour Inc Cl C (UA) 0.3 $2.6M 104k 25.17
Altisource Portfolio Solns S reg (ASPS) 0.3 $2.5M 94k 26.59
Brookdale Senior Living (BKD) 0.3 $2.5M 200k 12.42
Lonestar Res Us Inc cl a vtg 0.3 $2.6M 299k 8.54
M/a (MTSI) 0.3 $2.4M 51k 46.28
Lo (LOCO) 0.3 $2.4M 195k 12.30
Rapid7 (RPD) 0.3 $2.2M 179k 12.17
Drive Shack (DSHK) 0.3 $2.1M 547k 3.76
Bazaarvoice 0.3 $2.0M 419k 4.85
Digimarc Corporation (DMRC) 0.3 $1.9M 65k 30.00
CAI International 0.3 $1.9M 222k 8.67
Davidstea (DTEAF) 0.3 $1.9M 279k 6.85
Cf Corporation 0.2 $1.7M 158k 10.47
Applied Optoelectronics (AAOI) 0.2 $1.5M 65k 23.44
Brightcove (BCOV) 0.2 $1.3M 156k 8.05
Seres Therapeutics (MCRB) 0.1 $1.1M 111k 9.90
InterNAP Network Services 0.1 $1.1M 696k 1.54
BroadSoft 0.1 $1.0M 25k 41.26
Imperva 0.1 $1.0M 27k 38.40
Ovascience 0.1 $1.0M 665k 1.53
Assured Guaranty (AGO) 0.1 $916k 24k 37.78
Cpi Card 0.1 $911k 219k 4.15
JAKKS Pacific 0.1 $789k 153k 5.15
Mimecast 0.1 $638k 36k 17.90
Lifelock 0.1 $579k 24k 23.92
1-800-flowers (FLWS) 0.1 $346k 32k 10.69
Groupon 0.0 $142k 43k 3.32
Lionbridge Technologies 0.0 $93k 16k 5.82
Navios Maritime Acquis Corp 0.0 $101k 60k 1.70