Portolan Capital Management

Latest statistics and disclosures from Portolan Capital Management's latest quarterly 13F-HR filing:

Tip: Access up to 7 years of quarterly data

Positions held by Portolan Capital Management consolidated in one spreadsheet with up to 7 years of data

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Portfolio Holdings for Portolan Capital Management

Portolan Capital Management holds 109 positions in its portfolio as reported in the March 2025 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Lantheus Holdings Inc Common Stock Usd 0.01 (LNTH) 6.4 $85M +6% 867k 97.60
 View chart
SLM Corporation (SLM) 3.4 $44M +67% 1.5M 29.37
 View chart
Kratos Defense &sec Solutio Com New (KTOS) 3.3 $43M +8% 1.5M 29.69
 View chart
Genius Sports Shares Cl A (GENI) 3.3 $43M +39% 4.3M 10.01
 View chart
Modine Manufacturing (MOD) 2.9 $38M +50% 494k 76.75
 View chart
Shift4 Pmts Cl A (FOUR) 2.5 $33M +188% 407k 81.71
 View chart
eBay (EBAY) 2.4 $32M +99% 475k 67.73
 View chart
Gates Indl Corp Ord Shs (GTES) 2.4 $32M +54% 1.7M 18.41
 View chart
Celestica (CLS) 2.4 $31M -37% 393k 78.81
 View chart
Honest (HNST) 2.0 $26M +2% 5.5M 4.70
 View chart
Castle Biosciences (CSTL) 1.9 $25M +62% 1.3M 20.02
 View chart
Elf Beauty (ELF) 1.9 $25M +71% 395k 62.79
 View chart
Opera Sponsored Ads (OPRA) 1.9 $24M +104% 1.5M 15.94
 View chart
Porch Group (PRCH) 1.8 $24M +43% 3.3M 7.29
 View chart
RadNet (RDNT) 1.8 $24M +12% 478k 49.72
 View chart
Tree (TREE) 1.7 $22M NEW 439k 50.27
 View chart
TTM Technologies (TTMI) 1.6 $21M -21% 1.0M 20.51
 View chart
Crocs (CROX) 1.6 $21M +138% 194k 106.20
 View chart
Digitalbridge Group Cl A New (DBRG) 1.5 $20M +186% 2.3M 8.82
 View chart
Myt Netherlands Parent B V Ads (LUXE) 1.5 $20M +38% 2.6M 7.56
 View chart
Vishay Precision (VPG) 1.5 $20M +66% 821k 24.09
 View chart
I3 Verticals Com Cl A (IIIV) 1.5 $20M +16% 789k 24.67
 View chart
Liquidity Services (LQDT) 1.5 $19M NEW 626k 31.01
 View chart
Quanterix Ord (QTRX) 1.5 $19M +14% 3.0M 6.51
 View chart
Cellebrite Di Ordinary Shares (CLBT) 1.5 $19M +8% 989k 19.43
 View chart
Kemper Corp Del (KMPR) 1.5 $19M +24% 287k 66.85
 View chart
Kura Sushi Usa Cl A Com (KRUS) 1.5 $19M 373k 51.20
 View chart
Tapestry (TPR) 1.3 $17M +24% 247k 70.41
 View chart
Payoneer Global (PAYO) 1.2 $16M +3% 2.2M 7.31
 View chart
Draftkings Com Cl A (DKNG) 1.2 $16M +53% 492k 33.21
 View chart
Albertsons Cos Common Stock (ACI) 1.2 $16M +44% 710k 21.99
 View chart
Super Micro Computer Com New (SMCI) 1.1 $15M +363% 434k 34.24
 View chart
Virtu Finl Cl A (VIRT) 1.1 $15M -26% 389k 38.12
 View chart
United Therapeutics Corporation (UTHR) 1.1 $14M +216% 45k 308.27
 View chart
QuinStreet (QNST) 1.1 $14M -15% 778k 17.84
 View chart
Bel Fuse CL B (BELFB) 1.0 $14M -11% 184k 74.86
 View chart
Baidu Spon Adr Rep A (BIDU) 0.9 $12M NEW 135k 92.03
 View chart
Dycom Industries (DY) 0.9 $12M +248% 81k 152.34
 View chart
Potbelly (PBPB) 0.9 $12M +29% 1.3M 9.51
 View chart
Mamamancini's Holdings (MAMA) 0.9 $12M +122% 1.8M 6.51
 View chart
Skechers U S A Cl A (SKX) 0.9 $11M 200k 56.78
 View chart
Sweetgreen Com Cl A (SG) 0.8 $11M +43% 440k 25.02
 View chart
Royalty Pharma Shs Class A (RPRX) 0.8 $11M +2% 352k 31.13
 View chart
Enova Intl (ENVA) 0.8 $11M -45% 113k 96.56
 View chart
Weave Communications (WEAV) 0.8 $11M +119% 952k 11.09
 View chart
Zeta Global Holdings Corp Cl A (ZETA) 0.8 $10M +11% 742k 13.56
 View chart
Northern Oil And Gas Inc Mn (NOG) 0.8 $10M +68% 332k 30.23
 View chart
Sportradar Group Class A Ord Shs (SRAD) 0.7 $9.5M -38% 438k 21.62
 View chart
Flex Ord (FLEX) 0.7 $9.3M -35% 281k 33.08
 View chart
Sunopta (STKL) 0.7 $9.2M +13% 1.9M 4.86
 View chart
Powell Industries (POWL) 0.7 $9.1M +322% 53k 170.33
 View chart
Take-Two Interactive Software (TTWO) 0.7 $8.9M 43k 207.25
 View chart
Lucky Strike Entertainment C Cl A Com (LUCK) 0.7 $8.6M -38% 880k 9.76
 View chart
Guess? (GES) 0.7 $8.6M NEW 776k 11.07
 View chart
Talen Energy Corp (TLN) 0.6 $8.5M -72% 43k 199.67
 View chart
Upwork (UPWK) 0.6 $8.4M NEW 645k 13.05
 View chart
Power Solutions Intl Com New (PSIX) 0.6 $7.5M -13% 296k 25.28
 View chart
Gulfport Energy Corp Common Shares (GPOR) 0.6 $7.5M NEW 41k 184.14
 View chart
Caredx (CDNA) 0.6 $7.3M NEW 412k 17.75
 View chart
Meta Platforms Cl A (META) 0.5 $7.2M -15% 12k 576.36
 View chart
Ermenegildo Zegna N V Ord Shs (ZGN) 0.5 $7.1M +135% 957k 7.40
 View chart
MarineMax (HZO) 0.5 $6.9M +51% 322k 21.50
 View chart
NetGear (NTGR) 0.5 $6.9M +47% 283k 24.46
 View chart
Lindblad Expeditions Hldgs I (LIND) 0.5 $6.4M +26% 689k 9.27
 View chart
Marex Group Ord (MRX) 0.5 $6.2M -22% 174k 35.32
 View chart
Health Catalyst (HCAT) 0.5 $6.0M +75% 1.3M 4.53
 View chart
Custom Truck One Source Com Cl A (CTOS) 0.4 $5.9M -3% 1.4M 4.22
 View chart
Brightview Holdings (BV) 0.4 $5.4M +28% 421k 12.84
 View chart
Green Dot Corp Cl A (GDOT) 0.4 $5.4M NEW 636k 8.44
 View chart
Bio Rad Labs Cl A (BIO) 0.4 $5.3M -28% 22k 243.56
 View chart
Tecnoglass Ord Shs (TGLS) 0.4 $5.2M -35% 73k 71.55
 View chart
Celsius Hldgs Com New (CELH) 0.4 $5.1M NEW 143k 35.62
 View chart
Candel Therapeutics (CADL) 0.4 $5.0M +16% 881k 5.65
 View chart
Nortonlifelock (GEN) 0.4 $5.0M NEW 187k 26.54
 View chart
Warby Parker Cl A Com (WRBY) 0.4 $4.9M -39% 268k 18.23
 View chart
Myriad Genetics (MYGN) 0.4 $4.9M NEW 550k 8.87
 View chart
Encore Capital (ECPG) 0.4 $4.8M -34% 141k 34.28
 View chart
Kosmos Energy (KOS) 0.3 $4.6M +24% 2.0M 2.28
 View chart
Domo Com Cl B (DOMO) 0.3 $4.5M NEW 584k 7.76
 View chart
Oportun Finl Corp (OPRT) 0.3 $4.5M NEW 818k 5.49
 View chart
Rimini Str Inc Del (RMNI) 0.3 $4.3M NEW 1.2M 3.48
 View chart
Turning Pt Brands (TPB) 0.3 $4.2M +10% 71k 59.44
 View chart
The Real Brokerage Com New (REAX) 0.3 $4.2M NEW 1.0M 4.06
 View chart
Establishment Labs Holdings Ord (ESTA) 0.3 $4.1M -48% 101k 40.80
 View chart
Ge Healthcare Technologies I Common Stock (GEHC) 0.3 $3.8M NEW 47k 80.71
 View chart
Five9 (FIVN) 0.3 $3.8M NEW 138k 27.15
 View chart
Viking Therapeutics (VKTX) 0.3 $3.4M +8% 139k 24.15
 View chart
Identiv Com New (INVE) 0.3 $3.3M 1.0M 3.19
 View chart
Transmedics Group (TMDX) 0.2 $3.2M NEW 48k 67.28
 View chart
Ranpak Holdings Corp Com Cl A (PACK) 0.2 $3.1M NEW 574k 5.42
 View chart
Similarweb SHS (SMWB) 0.2 $3.1M +30% 370k 8.27
 View chart
Natera (NTRA) 0.2 $2.9M -46% 21k 141.41
 View chart
Remitly Global (RELY) 0.2 $2.6M -81% 127k 20.80
 View chart
Everquote Com Cl A (EVER) 0.2 $2.6M NEW 101k 26.19
 View chart
Forrester Research (FORR) 0.2 $2.6M +11% 280k 9.24
 View chart
Semtech Corporation (SMTC) 0.2 $2.4M -89% 69k 34.40
 View chart
Microsoft Corporation (MSFT) 0.2 $2.2M -15% 5.8k 375.39
 View chart
Genes (GCO) 0.1 $1.9M -80% 89k 21.23
 View chart
Bluelinx Hldgs Com New (BXC) 0.1 $1.8M -30% 24k 74.98
 View chart
Casella Waste Sys Cl A (CWST) 0.1 $1.7M 15k 111.51
 View chart
Oracle Corporation (ORCL) 0.1 $1.4M -87% 9.8k 139.81
 View chart
Alphabet Cap Stk Cl C (GOOG) 0.1 $995k +25% 6.4k 156.23
 View chart
Orthopediatrics Corp. (KIDS) 0.1 $851k -83% 35k 24.63
 View chart
Skyline Corporation (SKY) 0.1 $850k 9.0k 94.76
 View chart
Vertiv Holdings Com Cl A (VRT) 0.0 $595k -89% 8.2k 72.20
 View chart
Primoris Services (PRIM) 0.0 $588k -90% 10k 57.41
 View chart
Reddit Cl A (RDDT) 0.0 $512k -96% 4.9k 104.90
 View chart
Sportsmans Whse Hldgs (SPWH) 0.0 $236k -89% 237k 0.99
 View chart
Puretech Health Ads (PRTC) 0.0 $235k NEW 12k 19.78
 View chart

Past Filings by Portolan Capital Management

SEC 13F filings are viewable for Portolan Capital Management going back to 2010

View all past filings