Q1 2025 · 13F-HR
Portolan Capital Management, LLCholdings as filed
Filed 2025-05-15 · accession 0001104659-25-049320
$1.32B
Reported value
109
Positions
2025-03-31
Period end
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 516544103 | LNTH | LANTHEUS HLDGS INC | $84.6M | 6.43% | 867,309 | Common | SOLE |
| 78442P106 | SLM | SLM CORP | $44.4M | 3.38% | 1,512,274 | Common | SOLE |
| 50077B207 | KTOS | KRATOS DEFENSE &SEC SOLUTIO | $43.4M | 3.30% | 1,460,730 | Common | SOLE |
| G3934V109 | GENI | GENIUS SPORTS LIMITED | $42.9M | 3.26% | 4,281,255 | Common | SOLE |
| 607828100 | MOD | MODINE MFG CO | $37.9M | 2.88% | 493,575 | Common | SOLE |
| 82452J109 | FOUR | SHIFT4 PMTS INC | $33.2M | 2.52% | 406,499 | Common | SOLE |
| 278642103 | EBAY | EBAY INC. | $32.1M | 2.44% | 474,658 | Common | SOLE |
| G39108108 | GTES | GATES INDL CORP PLC | $31.9M | 2.42% | 1,731,408 | Common | SOLE |
| 15101Q207 | CLS | CELESTICA INC | $31.0M | 2.35% | 392,920 | Common | SOLE |
| 438333106 | HNST | HONEST CO INC | $25.9M | 1.97% | 5,519,206 | Common | SOLE |
| 14843C105 | CSTL | CASTLE BIOSCIENCES INC | $25.3M | 1.93% | 1,265,223 | Common | SOLE |
| 26856L103 | ELF | E L F BEAUTY INC | $24.8M | 1.89% | 395,252 | Common | SOLE |
| 68373M107 | OPRA | OPERA LTD | $24.4M | 1.85% | 1,529,691 | Common | SOLE |
| 733245104 | PRCH | PORCH GROUP INC | $24.0M | 1.82% | 3,292,276 | Common | SOLE |
| 750491102 | RDNT | RADNET INC | $23.8M | 1.81% | 478,406 | Common | SOLE |
| 52603B107 | TREE | LENDINGTREE INC NEW | $22.1M | 1.68% | 438,795 | Common | SOLE |
| 87305R109 | TTMI | TTM TECHNOLOGIES INC | $20.9M | 1.59% | 1,021,297 | Common | SOLE |
| 227046109 | CROX | CROCS INC | $20.6M | 1.57% | 194,210 | Common | SOLE |
| 25401T603 | DBRG | DIGITALBRIDGE GROUP INC | $20.0M | 1.52% | 2,266,652 | Common | SOLE |
| 55406W103 | LUXE | MYT NETHERLANDS PARENT B V | $19.9M | 1.51% | 2,628,728 | Common | SOLE |
| 92835K103 | VPG | VISHAY PRECISION GROUP INC | $19.8M | 1.50% | 820,973 | Common | SOLE |
| 46571Y107 | IIIV | I3 VERTICALS INC | $19.5M | 1.48% | 789,156 | Common | SOLE |
| 53635B107 | LQDT | LIQUIDITY SVCS INC | $19.4M | 1.48% | 626,358 | Common | SOLE |
| 74766Q101 | QTRX | QUANTERIX CORP | $19.3M | 1.47% | 2,963,397 | Common | SOLE |
| M2197Q107 | CLBT | CELLEBRITE DI LTD | $19.2M | 1.46% | 988,992 | Common | SOLE |
| 488401100 | KMPR | KEMPER CORP | $19.2M | 1.46% | 286,557 | Common | SOLE |
| 501270102 | KRUS | KURA SUSHI USA INC | $19.1M | 1.45% | 372,999 | Common | SOLE |
| 876030107 | TPR | TAPESTRY INC | $17.4M | 1.32% | 247,107 | Common | SOLE |
| 70451X104 | PAYO | PAYONEER GLOBAL INC | $16.4M | 1.25% | 2,243,548 | Common | SOLE |
| 26142V105 | DKNG | DRAFTKINGS INC NEW | $16.4M | 1.24% | 492,422 | Common | SOLE |
| 013091103 | ACI | ALBERTSONS COS INC | $15.6M | 1.19% | 709,576 | Common | SOLE |
| 86800U302 | SMCI | SUPER MICRO COMPUTER INC | $14.9M | 1.13% | 433,863 | Common | SOLE |
| 928254101 | VIRT | VIRTU FINL INC | $14.8M | 1.13% | 388,844 | Common | SOLE |
| 91307C102 | UTHR | UNITED THERAPEUTICS CORP DEL | $13.9M | 1.06% | 45,068 | Common | SOLE |
| 74874Q100 | QNST | QUINSTREET INC | $13.9M | 1.06% | 778,296 | Common | SOLE |
| 077347300 | BELFB | BEL FUSE INC | $13.8M | 1.05% | 184,224 | Common | SOLE |
| 056752108 | BIDU | BAIDU INC | $12.4M | 0.94% | 134,546 | Common | SOLE |
| 267475101 | DY | DYCOM INDS INC | $12.3M | 0.94% | 81,002 | Common | SOLE |
| 73754Y100 | PTB | POTBELLY CORP | $12.1M | 0.92% | 1,276,612 | Common | SOLE |
| 56146T103 | MAMA | MAMAS CREATIONS INC | $11.8M | 0.90% | 1,817,293 | Common | SOLE |
| 830566105 | SKAA | SKECHERS U S A INC | $11.3M | 0.86% | 199,867 | Common | SOLE |
| 87043Q108 | SG | SWEETGREEN INC | $11.0M | 0.84% | 439,850 | Common | SOLE |
| G7709Q104 | RPRX | ROYALTY PHARMA PLC | $11.0M | 0.83% | 352,257 | Common | SOLE |
| 29357K103 | ENVA | ENOVA INTL INC | $10.9M | 0.83% | 112,513 | Common | SOLE |
| 94724R108 | WEAV | WEAVE COMMUNICATIONS INC | $10.6M | 0.80% | 952,162 | Common | SOLE |
| 98956A105 | ZETA | ZETA GLOBAL HOLDINGS CORP | $10.1M | 0.76% | 741,852 | Common | SOLE |
| 665531307 | NOG | NORTHERN OIL &GAS INC | $10.0M | 0.76% | 331,955 | Common | SOLE |
| H8088L103 | SRAD | SPORTRADAR GROUP AG | $9.5M | 0.72% | 438,020 | Common | SOLE |
| Y2573F102 | FLEX | FLEX LTD | $9.3M | 0.71% | 280,908 | Common | SOLE |
| 8676EP108 | STKL | SUNOPTA INC | $9.2M | 0.70% | 1,894,080 | Common | SOLE |
| 739128106 | POWL | POWELL INDS INC | $9.1M | 0.69% | 53,224 | Common | SOLE |
| 874054109 | TTWO | TAKE-TWO INTERACTIVE SOFTWAR | $8.9M | 0.67% | 42,729 | Common | SOLE |
| 10258P102 | LUCK | LUCKY STRIKE ENTERTAINMENT C | $8.6M | 0.65% | 880,427 | Common | SOLE |
| 401617105 | GU9 | GUESS INC | $8.6M | 0.65% | 776,182 | Common | SOLE |
| 87422Q109 | TLN | TALEN ENERGY CORP | $8.5M | 0.65% | 42,670 | Common | SOLE |
| 91688F104 | UPWK | UPWORK INC | $8.4M | 0.64% | 644,548 | Common | SOLE |
| 73933G202 | PSIX | POWER SOLUTIONS INTL INC | $7.5M | 0.57% | 296,442 | Common | SOLE |
| 402635502 | GPOR | GULFPORT ENERGY CORP | $7.5M | 0.57% | 40,488 | Common | SOLE |
| 14167L103 | CDNA | CAREDX INC | $7.3M | 0.56% | 411,683 | Common | SOLE |
| 30303M102 | META | META PLATFORMS INC | $7.2M | 0.55% | 12,443 | Common | SOLE |
| N30577105 | ZGN | ERMENEGILDO ZEGNA N V | $7.1M | 0.54% | 957,202 | Common | SOLE |
| 567908108 | HZO | MARINEMAX INC | $6.9M | 0.53% | 322,105 | Common | SOLE |
| 64111Q104 | NTGR | NETGEAR INC | $6.9M | 0.53% | 283,092 | Common | SOLE |
| 535219109 | LIND | LINDBLAD EXPEDITIONS HLDGS I | $6.4M | 0.49% | 689,246 | Common | SOLE |
| G5S37H101 | MRX | MAREX GROUP PLC | $6.2M | 0.47% | 174,196 | Common | SOLE |
| 42225T107 | HCAT | HEALTH CATALYST INC | $6.0M | 0.45% | 1,317,079 | Common | SOLE |
| 23204X103 | CTOS | CUSTOM TRUCK ONE SOURCE INC | $5.9M | 0.45% | 1,397,327 | Common | SOLE |
| 10948C107 | BV | BRIGHTVIEW HLDGS INC | $5.4M | 0.41% | 421,336 | Common | SOLE |
| 39304D102 | GDOT | GREEN DOT CORP | $5.4M | 0.41% | 636,067 | Common | SOLE |
| 090572207 | BIO | BIO RAD LABS INC | $5.3M | 0.40% | 21,740 | Common | SOLE |
| G87264100 | TGLS | TECNOGLASS INC | $5.2M | 0.40% | 73,148 | Common | SOLE |
| 15118V207 | CELH | CELSIUS HLDGS INC | $5.1M | 0.39% | 142,549 | Common | SOLE |
| 137404109 | CADL | CANDEL THERAPEUTICS INC | $5.0M | 0.38% | 881,184 | Common | SOLE |
| 668771108 | GEN | GEN DIGITAL INC | $5.0M | 0.38% | 187,169 | Common | SOLE |
| 93403J106 | WRBY | WARBY PARKER INC | $4.9M | 0.37% | 267,675 | Common | SOLE |
| 62855J104 | MYGN | MYRIAD GENETICS INC | $4.9M | 0.37% | 549,922 | Common | SOLE |
| 292554102 | ECPG | ENCORE CAP GROUP INC | $4.8M | 0.37% | 140,726 | Common | SOLE |
| 500688106 | KOS | KOSMOS ENERGY LTD | $4.6M | 0.35% | 2,011,814 | Common | SOLE |
| 257554105 | DOMO | DOMO INC | $4.5M | 0.34% | 584,277 | Common | SOLE |
| 68376D104 | OPRT | OPORTUN FINL CORP | $4.5M | 0.34% | 818,354 | Common | SOLE |
| 76674Q107 | RMNI | RIMINI STR INC DEL | $4.3M | 0.33% | 1,235,224 | Common | SOLE |
| 90041L105 | TPB | TURNING PT BRANDS INC | $4.2M | 0.32% | 70,451 | Common | SOLE |
| 75585H206 | REAX | THE REAL BROKERAGE INC | $4.2M | 0.32% | 1,023,099 | Common | SOLE |
| G31249108 | ESTA | ESTABLISHMENT LABS HLDGS INC | $4.1M | 0.31% | 100,829 | Common | SOLE |
| 36266G107 | GEHC | GE HEALTHCARE TECHNOLOGIES I | $3.8M | 0.29% | 47,443 | Common | SOLE |
| 338307101 | FIVN | FIVE9 INC | $3.8M | 0.29% | 138,255 | Common | SOLE |
| 92686J106 | VKTX | VIKING THERAPEUTICS INC | $3.4M | 0.25% | 138,748 | Common | SOLE |
| 45170X205 | INVE | IDENTIV INC | $3.3M | 0.25% | 1,044,652 | Common | SOLE |
| 89377M109 | TMDX | TRANSMEDICS GROUP INC | $3.2M | 0.24% | 47,536 | Common | SOLE |
| 75321W103 | PACK | RANPAK HOLDINGS CORP | $3.1M | 0.24% | 573,622 | Common | SOLE |
| M84137104 | SMWB | SIMILARWEB LTD | $3.1M | 0.23% | 370,191 | Common | SOLE |
| 632307104 | NTRA | NATERA INC | $2.9M | 0.22% | 20,559 | Common | SOLE |
| 75960P104 | RELY | REMITLY GLOBAL INC | $2.6M | 0.20% | 127,227 | Common | SOLE |
| 30041R108 | EVER | EVERQUOTE INC | $2.6M | 0.20% | 100,552 | Common | SOLE |
| 346563109 | FORR | FORRESTER RESH INC | $2.6M | 0.20% | 280,114 | Common | SOLE |
| 816850101 | SMTC | SEMTECH CORP | $2.4M | 0.18% | 69,307 | Common | SOLE |
| 594918104 | MSFT | MICROSOFT CORP | $2.2M | 0.17% | 5,797 | Common | SOLE |
| 371532102 | GCO | GENESCO INC | $1.9M | 0.14% | 88,732 | Common | SOLE |
| 09624H208 | BXC | BLUELINX HLDGS INC | $1.8M | 0.14% | 24,393 | Common | SOLE |
| 147448104 | CWST | CASELLA WASTE SYS INC | $1.7M | 0.13% | 15,303 | Common | SOLE |
| 68389X105 | ORCL | ORACLE CORP | $1.4M | 0.10% | 9,844 | Common | SOLE |
| 02079K107 | GOOG | ALPHABET INC | $994,716 | 0.08% | 6,367 | Common | SOLE |
| 68752L100 | KIDS | ORTHOPEDIATRICS CORP | $851,040 | 0.06% | 34,553 | Common | SOLE |
| 830830105 | SKY | CHAMPION HOMES INC | $850,092 | 0.06% | 8,971 | Common | SOLE |
| 92537N108 | VRT | VERTIV HOLDINGS CO | $594,495 | 0.05% | 8,234 | Common | SOLE |
| 74164F103 | PRIM | PRIMORIS SVCS CORP | $587,878 | 0.04% | 10,240 | Common | SOLE |
| 75734B100 | RDDT | REDDIT INC | $512,437 | 0.04% | 4,885 | Common | SOLE |
| 84920Y106 | SPWH | SPORTSMANS WHSE HLDGS INC | $235,934 | 0.02% | 237,334 | Common | SOLE |
| 746237106 | PRTCY | PURETECH HEALTH PLC | $235,085 | 0.02% | 11,885 | Common | SOLE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.