Portolan Capital Management as of June 30, 2026
Portfolio Holdings for Portolan Capital Management
Portolan Capital Management holds 148 positions in its portfolio as reported in the June 2026 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price |
|---|---|---|---|---|---|
| Vishay Precision (VPG) | 5.7 | $151M | 1.0M | 149.91 | |
| Virtu Finl Cl A (VIRT) | 4.8 | $128M | 2.1M | 59.57 | |
| TTM Technologies (TTMI) | 3.6 | $95M | 508k | 187.02 | |
| Modine Manufacturing (MOD) | 3.1 | $84M | 314k | 267.02 | |
| Qualys (QLYS) | 2.7 | $73M | 530k | 137.49 | |
| Shift4 Pmts Cl A (FOUR) | 2.0 | $54M | 1.1M | 48.64 | |
| Mayville Engineering (MEC) | 1.8 | $49M | 1.3M | 37.46 | |
| Enova Intl (ENVA) | 1.8 | $48M | 199k | 240.73 | |
| Semtech Corporation (SMTC) | 1.8 | $48M | 295k | 161.85 | |
| Celestica (CLS) | 1.7 | $46M | 127k | 364.80 | |
| United Therapeutics Corporation (UTHR) | 1.7 | $44M | 82k | 541.83 | |
| Genius Sports Shares Cl A (GENI) | 1.6 | $43M | 7.0M | 6.06 | |
| Powell Industries (POWL) | 1.6 | $42M | 146k | 286.36 | |
| Penguin Solutions (PENG) | 1.6 | $42M | 546k | 76.01 | |
| Dave Class A Com New (DAVE) | 1.5 | $39M | 105k | 372.59 | |
| Flex Ord (FLEX) | 1.4 | $37M | 229k | 162.07 | |
| Allied Motion Technologies (ALNT) | 1.4 | $37M | 360k | 102.93 | |
| Porch Group (PRCH) | 1.4 | $37M | 2.5M | 15.04 | |
| Akamai Technologies (AKAM) | 1.4 | $37M | 310k | 118.21 | |
| Candel Therapeutics (CADL) | 1.3 | $36M | 3.5M | 10.30 | |
| Talen Energy Corp (TLN) | 1.3 | $35M | 90k | 384.26 | |
| Regal-beloit Corporation (RRX) | 1.2 | $33M | 138k | 238.19 | |
| Lantheus Holdings Inc Common Stock Usd 0.01 (LNTH) | 1.2 | $32M | 289k | 110.94 | |
| Biogen Idec (BIIB) | 1.2 | $31M | 143k | 216.06 | |
| Veeco Instruments (VECO) | 1.1 | $30M | 402k | 75.80 | |
| Luxexperience Bv Sponsored Ads (LUXE) | 1.1 | $30M | 4.1M | 7.43 | |
| Zeta Global Holdings Corp Cl A (ZETA) | 1.1 | $30M | 1.5M | 19.68 | |
| Cellebrite Di Ordinary Shares (CLBT) | 1.1 | $28M | 1.9M | 14.60 | |
| Sportradar Group Class A Ord Shs (SRAD) | 1.0 | $27M | 1.8M | 14.97 | |
| Canada Goose Hldgs Shs Sub Vtg (GOOS) | 1.0 | $26M | 2.8M | 9.51 | |
| Bandwidth Com Cl A (BAND) | 1.0 | $26M | 413k | 63.30 | |
| Warby Parker Cl A Com (WRBY) | 1.0 | $26M | 844k | 30.34 | |
| Kontoor Brands (KTB) | 0.9 | $24M | 292k | 83.34 | |
| Oshkosh Corporation (OSK) | 0.9 | $24M | 158k | 153.48 | |
| Encore Capital (ECPG) | 0.9 | $24M | 256k | 93.29 | |
| Twilio Cl A (TWLO) | 0.9 | $24M | 115k | 206.33 | |
| Sezzle (SEZL) | 0.9 | $23M | 136k | 171.63 | |
| Remitly Global (RELY) | 0.9 | $23M | 1.0M | 22.41 | |
| Acm Resh Com Cl A (ACMR) | 0.8 | $23M | 177k | 126.89 | |
| Element Solutions (ESI) | 0.8 | $22M | 469k | 47.75 | |
| Nokia Corp Sponsored Adr (NOK) | 0.8 | $22M | 1.6M | 13.28 | |
| Blackberry (BB) | 0.8 | $22M | 1.7M | 12.65 | |
| International Flavors & Fragrances (IFF) | 0.8 | $21M | 269k | 79.22 | |
| Pulse Biosciences (PLSE) | 0.8 | $21M | 753k | 27.73 | |
| Moog Cl A (MOG.A) | 0.8 | $21M | 49k | 423.84 | |
| The Real Brokerage Com New (REAX) | 0.8 | $20M | 11M | 1.82 | |
| Caredx (CDNA) | 0.7 | $20M | 685k | 28.50 | |
| Par Pac Holdings Com New (PARR) | 0.7 | $19M | 342k | 56.08 | |
| Vishay Intertechnology (VSH) | 0.7 | $19M | 352k | 53.78 | |
| Take-Two Interactive Software (TTWO) | 0.7 | $18M | 73k | 249.98 | |
| Gates Indl Corp Ord Shs (GTES) | 0.7 | $18M | 642k | 27.97 | |
| Mamamancini's Holdings (MAMA) | 0.7 | $18M | 985k | 17.85 | |
| Kura Sushi Usa Cl A Com (KRUS) | 0.7 | $17M | 302k | 57.56 | |
| Sanmina (SANM) | 0.6 | $17M | 68k | 253.08 | |
| Park Aerospace Corp. Cmn Pke (PKE) | 0.6 | $17M | 447k | 38.16 | |
| Graham Corporation (GHM) | 0.6 | $17M | 137k | 123.79 | |
| Bel Fuse CL B (BELFB) | 0.6 | $16M | 48k | 333.04 | |
| On Hldg Namen Akt A (ONON) | 0.6 | $16M | 441k | 35.42 | |
| Amer Sports Com Shs (AS) | 0.6 | $15M | 453k | 33.84 | |
| Cohu (COHU) | 0.6 | $15M | 206k | 73.91 | |
| Jabil Circuit (JBL) | 0.6 | $15M | 39k | 385.48 | |
| Adeia (ADEA) | 0.5 | $15M | 443k | 32.93 | |
| Vicor Corporation (VICR) | 0.5 | $15M | 38k | 379.78 | |
| Tenable Hldgs (TENB) | 0.5 | $14M | 388k | 36.88 | |
| Ge Healthcare Technologies I Common Stock (GEHC) | 0.5 | $14M | 222k | 64.01 | |
| Crane Holdings (CXT) | 0.5 | $14M | 272k | 51.16 | |
| Ranpak Holdings Corp Com Cl A (PACK) | 0.5 | $14M | 1.9M | 7.31 | |
| Onto Innovation (ONTO) | 0.5 | $14M | 37k | 378.45 | |
| Genedx Holdings Corp Com Cl A (WGS) | 0.5 | $14M | 200k | 68.65 | |
| Forrester Research (FORR) | 0.5 | $14M | 1.6M | 8.41 | |
| MarineMax (HZO) | 0.5 | $13M | 344k | 36.62 | |
| Bio Rad Labs Cl A (BIO) | 0.5 | $13M | 43k | 293.61 | |
| Quantum Corp (QMCO) | 0.4 | $11M | 1.0M | 11.00 | |
| Baidu Spon Adr Rep A (BIDU) | 0.4 | $11M | 96k | 114.29 | |
| Ferrari Nv Ord (RACE) | 0.4 | $11M | 29k | 372.29 | |
| Digi International (DGII) | 0.4 | $11M | 141k | 74.95 | |
| Nlight (LASR) | 0.4 | $11M | 152k | 69.62 | |
| Viavi Solutions Inc equities (VIAV) | 0.4 | $11M | 220k | 47.75 | |
| Boot Barn Hldgs (BOOT) | 0.4 | $11M | 64k | 164.27 | |
| Lightpath Technologies Com Cl A (LPTH) | 0.4 | $10M | 629k | 16.35 | |
| Frequency Electronics (FEIM) | 0.4 | $10M | 153k | 66.35 | |
| Halozyme Therapeutics (HALO) | 0.4 | $10M | 128k | 78.27 | |
| Okeanis Eco Tankers Cor SHS (ECO) | 0.4 | $9.8M | 196k | 50.12 | |
| Ermenegildo Zegna N V Ord Shs (ZGN) | 0.4 | $9.8M | 754k | 13.02 | |
| Sweetgreen Com Cl A (SG) | 0.3 | $9.1M | 1.0M | 8.81 | |
| Tapestry (TPR) | 0.3 | $9.0M | 62k | 146.38 | |
| Solaris Energy Infras Com Cl A (SEI) | 0.3 | $8.6M | 107k | 80.46 | |
| A10 Networks (ATEN) | 0.3 | $8.5M | 227k | 37.36 | |
| Ambarella SHS (AMBA) | 0.3 | $8.3M | 97k | 85.80 | |
| Tecnoglass Ord Shs (TGLS) | 0.3 | $8.3M | 176k | 46.81 | |
| Quanterix Ord (QTRX) | 0.3 | $8.2M | 1.9M | 4.32 | |
| Tecogen Com New (TGEN) | 0.3 | $8.1M | 1.6M | 5.22 | |
| Healthequity (HQY) | 0.3 | $8.1M | 89k | 90.32 | |
| Tower Semiconductor Shs New (TSEM) | 0.3 | $8.0M | 31k | 260.64 | |
| Castle Biosciences (CSTL) | 0.3 | $7.8M | 329k | 23.85 | |
| Silicom Ord (SILC) | 0.3 | $7.8M | 163k | 47.94 | |
| Ciena Corp Com New (CIEN) | 0.3 | $7.5M | 15k | 490.56 | |
| eBay (EBAY) | 0.3 | $7.3M | 66k | 111.75 | |
| Rb Global (RBA) | 0.3 | $7.3M | 63k | 116.45 | |
| Xometry Class A Com (XMTR) | 0.3 | $7.1M | 73k | 96.52 | |
| Mobileye Global Common Class A (MBLY) | 0.3 | $7.0M | 721k | 9.68 | |
| Willdan (WLDN) | 0.2 | $6.7M | 84k | 79.10 | |
| Honest (HNST) | 0.2 | $6.4M | 1.7M | 3.66 | |
| Materion Corporation (MTRN) | 0.2 | $6.2M | 21k | 297.39 | |
| Titan Amer Sa Common Shares (TTAM) | 0.2 | $6.0M | 321k | 18.66 | |
| Global E Online SHS (GLBE) | 0.2 | $6.0M | 172k | 34.73 | |
| Meta Platforms Cl A (META) | 0.2 | $5.7M | 10k | 563.29 | |
| Celsius Hldgs Com New (CELH) | 0.2 | $5.7M | 195k | 29.28 | |
| Realreal (REAL) | 0.2 | $5.6M | 478k | 11.79 | |
| Elf Beauty (ELF) | 0.2 | $5.6M | 76k | 74.00 | |
| Transmedics Group (TMDX) | 0.2 | $5.5M | 82k | 66.42 | |
| Red Violet (RDVT) | 0.2 | $5.4M | 84k | 63.72 | |
| Dht Holdings Shs New (DHT) | 0.2 | $5.2M | 315k | 16.53 | |
| Evolv Technologies Hldngs In Com Cl A (EVLV) | 0.2 | $5.2M | 895k | 5.80 | |
| Procept Biorobotics Corp (PRCT) | 0.2 | $5.1M | 227k | 22.58 | |
| Timken Company (TKR) | 0.2 | $5.1M | 35k | 145.32 | |
| Lumentum Hldgs (LITE) | 0.2 | $5.0M | 5.8k | 858.06 | |
| Generac Holdings (GNRC) | 0.2 | $4.9M | 17k | 292.81 | |
| Brunswick Corporation (BC) | 0.2 | $4.8M | 57k | 84.24 | |
| Equipmentshare Com Cl A (EQPT) | 0.2 | $4.5M | 231k | 19.66 | |
| Cognyte Software Ord Shs (CGNT) | 0.2 | $4.4M | 500k | 8.78 | |
| Novanta (NOVT) | 0.2 | $4.4M | 27k | 162.24 | |
| Douglas Elliman (DOUG) | 0.2 | $4.2M | 2.4M | 1.77 | |
| Bobs Disc Furniture Com Shs (BOBS) | 0.1 | $4.0M | 250k | 15.82 | |
| Everus Constr Group (ECG) | 0.1 | $3.9M | 24k | 165.95 | |
| Methode Electronics (MEI) | 0.1 | $3.8M | 200k | 18.97 | |
| Fabrinet SHS (FN) | 0.1 | $3.6M | 6.4k | 562.08 | |
| Ultra Clean Holdings (UCTT) | 0.1 | $3.5M | 25k | 142.59 | |
| Kratos Defense & Sec Solutio Com New (KTOS) | 0.1 | $3.3M | 65k | 49.86 | |
| Nextpower Class A Com (NXT) | 0.1 | $3.2M | 27k | 119.14 | |
| Hafnia SHS (HAFN) | 0.1 | $2.4M | 367k | 6.64 | |
| Natera (NTRA) | 0.1 | $2.3M | 8.5k | 271.45 | |
| Guardant Health (GH) | 0.1 | $2.1M | 14k | 150.03 | |
| Gigacloud Technology Class A Ord (GCT) | 0.1 | $2.1M | 66k | 31.60 | |
| Alphabet Cap Stk Cl C (GOOG) | 0.1 | $2.0M | 5.7k | 353.33 | |
| Applied Optoelectronics (AAOI) | 0.1 | $1.8M | 12k | 148.16 | |
| Ies Hldgs (IESC) | 0.1 | $1.4M | 1.9k | 734.66 | |
| Casella Waste Sys Cl A (CWST) | 0.1 | $1.4M | 15k | 96.97 | |
| Planet Labs Pbc Com Cl A (PL) | 0.0 | $1.2M | 37k | 33.13 | |
| American Superconductor Corp Shs New (AMSC) | 0.0 | $1.2M | 29k | 41.51 | |
| Dana Holding Corporation (DAN) | 0.0 | $901k | 33k | 27.21 | |
| Digitalbridge Group Cl A New (DBRG) | 0.0 | $896k | 57k | 15.78 | |
| Lincoln Educational Services Corporation (LINC) | 0.0 | $699k | 14k | 49.90 | |
| L3harris Technologies (LHX) | 0.0 | $627k | 2.2k | 290.59 | |
| Open Lending Corp (LPRO) | 0.0 | $569k | 183k | 3.11 | |
| Telix Pharmaceutical Sponsored Ads (TLX) | 0.0 | $293k | 25k | 11.53 | |
| GDS HLDGS Sponsored Ads (GDS) | 0.0 | $274k | 9.1k | 30.03 | |
| Talos Energy (TALO) | 0.0 | $172k | 13k | 12.91 |
