Q4 2025 · 13F-HR
Portolan Capital Management, LLCholdings as filed
Filed 2026-02-17 · accession 0001104659-26-016304
$1.87B
Reported value
155
Positions
2025-12-31
Period end
The Brief · Portolan Capital Management, LLC · Q4 2025
AI · grounded in 13F
Portolan Capital Management, LLC established a new position in AKAM worth $45.7M. The fund also opened new stakes in FAF for $19.7M and JBL for $16.1M. On the sell side, the fund closed its entire position in WWW, resulting in a $21.9M reduction. Additionally, the fund trimmed its holdings in DBRG by 84.9% and ELF by 60.6%.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 87305R109 | TTMI | TTM TECHNOLOGIES INC | $79.1M | 4.24% | 1,146,682 | Common | SOLE |
| 607828100 | MOD | MODINE MFG CO | $71.6M | 3.83% | 535,947 | Common | SOLE |
| 14843C105 | CSTL | CASTLE BIOSCIENCES INC | $67.3M | 3.60% | 1,729,463 | Common | SOLE |
| 15101Q207 | CLS | CELESTICA INC | $50.9M | 2.73% | 172,275 | Common | SOLE |
| 00971T101 | AKAM | AKAMAI TECHNOLOGIES INC | $45.7M | 2.45% | 524,321 | Common | SOLE |
| 75585H206 | REAX | THE REAL BROKERAGE INC | $39.3M | 2.11% | 10,779,843 | Common | SOLE |
| 816850101 | SMTC | SEMTECH CORP | $37.5M | 2.01% | 508,655 | Common | SOLE |
| 056752108 | BIDU | BAIDU INC | $34.5M | 1.85% | 263,681 | Common | SOLE |
| 92835K103 | VPG | VISHAY PRECISION GROUP INC | $33.8M | 1.81% | 877,669 | Common | SOLE |
| G3934V109 | GENI | GENIUS SPORTS LIMITED | $32.4M | 1.73% | 2,938,119 | Common | SOLE |
| 516544103 | LNTH | LANTHEUS HLDGS INC | $31.7M | 1.70% | 475,789 | Common | SOLE |
| 82452J109 | FOUR | SHIFT4 PMTS INC | $29.5M | 1.58% | 468,063 | Common | SOLE |
| 74766Q101 | QTRX | QUANTERIX CORP | $28.8M | 1.54% | 4,525,553 | Common | SOLE |
| Y2573F102 | FLEX | FLEX LTD | $28.2M | 1.51% | 466,913 | Common | SOLE |
| 87422Q109 | TLN | TALEN ENERGY CORP | $28.1M | 1.51% | 74,984 | Common | SOLE |
| 135086106 | GOOS | CANADA GOOSE HLDGS INC | $27.7M | 1.48% | 2,138,904 | Common | SOLE |
| 93403J106 | WRBY | WARBY PARKER INC | $26.8M | 1.44% | 1,232,173 | Common | SOLE |
| 98956A105 | ZETA | ZETA GLOBAL HOLDINGS CORP | $26.8M | 1.44% | 1,318,797 | Common | SOLE |
| 739128106 | POWL | POWELL INDS INC | $25.2M | 1.35% | 79,116 | Common | SOLE |
| 532257805 | LPTH | LIGHTPATH TECHNOLOGIES INC | $25.2M | 1.35% | 2,332,184 | Common | SOLE |
| 077347300 | BELFB | BEL FUSE INC | $23.7M | 1.27% | 139,513 | Common | SOLE |
| M2197Q107 | CLBT | CELLEBRITE DI LTD | $23.2M | 1.24% | 1,287,287 | Common | SOLE |
| 50077B207 | KTOS | KRATOS DEFENSE &SEC SOLUTIO | $22.3M | 1.20% | 294,006 | Common | SOLE |
| 55406W103 | LUXE | LUXEXPERIENCE BV | $22.2M | 1.19% | 2,660,674 | Common | SOLE |
| 65487K100 | LASR | NLIGHT INC | $22.1M | 1.19% | 590,433 | Common | SOLE |
| 336433107 | FSLR | FIRST SOLAR INC | $20.6M | 1.10% | 78,761 | Common | SOLE |
| 31847R102 | FAF | FIRST AMERN FINL CORP | $19.7M | 1.06% | 320,670 | Common | SOLE |
| 733245104 | PRCH | PORCH GROUP INC | $19.0M | 1.02% | 2,083,055 | Common | SOLE |
| 008073108 | AVAV | AEROVIRONMENT INC | $18.4M | 0.98% | 75,958 | Common | SOLE |
| 257554105 | DOMO | DOMO INC | $18.2M | 0.98% | 2,158,770 | Common | SOLE |
| 91307C102 | UTHR | UNITED THERAPEUTICS CORP DEL | $17.9M | 0.96% | 36,753 | Common | SOLE |
| M87915274 | TSEM | TOWER SEMICONDUCTOR LTD | $17.4M | 0.93% | 148,525 | Common | SOLE |
| 46571Y107 | IIIV | I3 VERTICALS INC | $16.9M | 0.91% | 671,987 | Common | SOLE |
| 56146T103 | MAMA | MAMAS CREATIONS INC | $16.8M | 0.90% | 1,245,767 | Common | SOLE |
| 55826T102 | SPHR | SPHERE ENTERTAINMENT CO | $16.7M | 0.89% | 175,646 | Common | SOLE |
| 019330109 | ALNT | ALLIENT INC | $16.2M | 0.87% | 301,888 | Common | SOLE |
| 466313103 | JBL | JABIL INC | $16.1M | 0.86% | 70,665 | Common | SOLE |
| G5S37H101 | MRX | MAREX GROUP PLC | $16.1M | 0.86% | 418,745 | Common | SOLE |
| 29357K103 | ENVA | ENOVA INTL INC | $15.4M | 0.82% | 97,847 | Common | SOLE |
| 09062X103 | BIIB | BIOGEN INC | $15.0M | 0.80% | 84,990 | Common | SOLE |
| 09073M104 | TECH | BIO-TECHNE CORP | $14.6M | 0.78% | 249,070 | Common | SOLE |
| 35671D857 | FCX | FREEPORT-MCMORAN INC | $14.6M | 0.78% | 288,124 | Common | SOLE |
| 26856L103 | ELF | E L F BEAUTY INC | $14.6M | 0.78% | 192,322 | Common | SOLE |
| 14167L103 | CDNA | CAREDX INC | $14.3M | 0.77% | 758,775 | Common | SOLE |
| 91688F104 | UPWK | UPWORK INC | $14.3M | 0.76% | 719,644 | Common | SOLE |
| 559222401 | MGA | MAGNA INTL INC | $13.6M | 0.73% | 255,481 | Common | SOLE |
| 171779309 | CIEN | CIENA CORP | $13.2M | 0.71% | 56,481 | Common | SOLE |
| 74164F103 | PRIM | PRIMORIS SVCS CORP | $13.1M | 0.70% | 105,716 | Common | SOLE |
| 67000B104 | NOVT | NOVANTA INC | $12.7M | 0.68% | 107,095 | Common | SOLE |
| 25401T603 | DBRG | DIGITALBRIDGE GROUP INC | $12.7M | 0.68% | 824,946 | Common | SOLE |
| 928254101 | VIRT | VIRTU FINL INC | $12.5M | 0.67% | 376,283 | Common | SOLE |
| 438333106 | HNST | HONEST CO INC | $12.4M | 0.66% | 4,804,206 | Common | SOLE |
| 83304A106 | SNAP | SNAP INC | $12.1M | 0.65% | 1,496,410 | Common | SOLE |
| G87264100 | TGLS | TECNOGLASS INC | $12.0M | 0.64% | 238,852 | Common | SOLE |
| 567908108 | HZO | MARINEMAX INC | $11.8M | 0.63% | 487,426 | Common | SOLE |
| 89377M109 | TMDX | TRANSMEDICS GROUP INC | $11.8M | 0.63% | 96,893 | Common | SOLE |
| 218937100 | CNR | CORE NATURAL RESOURCES INC | $11.5M | 0.62% | 130,242 | Common | SOLE |
| 00108J109 | ACMR | ACM RESH INC | $11.3M | 0.60% | 285,506 | Common | SOLE |
| 78435P105 | SEZL | SEZZLE INC | $10.7M | 0.57% | 167,873 | Common | SOLE |
| 40131M109 | GH | GUARDANT HEALTH INC | $10.6M | 0.57% | 104,088 | Common | SOLE |
| 75321W103 | PACK | RANPAK HOLDINGS CORP | $10.6M | 0.57% | 1,950,730 | Common | SOLE |
| 090572207 | BIO | BIO RAD LABS INC | $10.3M | 0.55% | 34,159 | Common | SOLE |
| 253798102 | DGII | DIGI INTL INC | $10.3M | 0.55% | 237,550 | Common | SOLE |
| 98954M101 | ZG | ZILLOW GROUP INC | $10.2M | 0.55% | 150,068 | Common | SOLE |
| 76029L100 | RPAY | REPAY HLDGS CORP | $10.2M | 0.55% | 2,790,281 | Common | SOLE |
| 75134P600 | METC | RAMACO RES INC | $10.1M | 0.54% | 561,718 | Common | SOLE |
| 801056102 | SANM | SANMINA CORPORATION | $10.0M | 0.54% | 66,589 | Common | SOLE |
| 501270102 | KRUS | KURA SUSHI USA INC | $10.0M | 0.53% | 190,796 | Common | SOLE |
| 30234F101 | XZO | EXZEO GROUP INC | $9.8M | 0.53% | 405,014 | Common | SOLE |
| 23834J201 | DAVE | DAVE INC | $9.7M | 0.52% | 44,001 | Common | SOLE |
| 874054109 | TTWO | TAKE-TWO INTERACTIVE SOFTWAR | $9.6M | 0.52% | 37,687 | Common | SOLE |
| 578605107 | MEC | MAYVILLE ENGR CO INC | $9.6M | 0.51% | 512,762 | Common | SOLE |
| 137404109 | CADL | CANDEL THERAPEUTICS INC | $9.6M | 0.51% | 1,695,367 | Common | SOLE |
| 68373M107 | OPRA | OPERA LTD | $8.9M | 0.48% | 631,177 | Common | SOLE |
| 75960P104 | RELY | REMITLY GLOBAL INC | $8.7M | 0.46% | 628,019 | Common | SOLE |
| 941848103 | WAT | WATERS CORP | $8.5M | 0.46% | 22,379 | Common | SOLE |
| 750491102 | RDNT | RADNET INC | $8.4M | 0.45% | 117,506 | Common | SOLE |
| M98068105 | WIX | WIX COM LTD | $8.3M | 0.45% | 80,298 | Common | SOLE |
| 860372101 | STC | STEWART INFORMATION SVCS COR | $8.3M | 0.44% | 117,708 | Common | SOLE |
| 74276L105 | PRCT | PROCEPT BIOROBOTICS CORP | $8.0M | 0.43% | 255,118 | Common | SOLE |
| 03823U102 | AAOI | APPLIED OPTOELECTRONICS INC | $8.0M | 0.43% | 228,458 | Common | SOLE |
| 68373J104 | LPRO | OPEN LENDING CORP | $7.3M | 0.39% | 4,736,630 | Common | SOLE |
| N30577105 | ZGN | ERMENEGILDO ZEGNA N V | $7.3M | 0.39% | 710,534 | Common | SOLE |
| 81663L200 | WGS | GENEDX HOLDINGS CORP | $7.3M | 0.39% | 55,776 | Common | SOLE |
| 654902204 | NOK | NOKIA CORP | $7.0M | 0.37% | 1,076,122 | Common | SOLE |
| 65290E101 | NXT | NEXTPOWER INC | $7.0M | 0.37% | 79,789 | Common | SOLE |
| G31249108 | ESTA | ESTABLISHMENT LABS HLDGS INC | $6.9M | 0.37% | 94,648 | Common | SOLE |
| 74758T303 | QLYS | QUALYS INC | $6.9M | 0.37% | 51,855 | Common | SOLE |
| 90138A103 | VNET | VNET GROUP INC | $6.8M | 0.37% | 806,800 | Common | SOLE |
| 30303M102 | META | META PLATFORMS INC | $6.8M | 0.36% | 10,318 | Common | SOLE |
| 03213A104 | AMPL | AMPLITUDE INC | $6.5M | 0.35% | 560,096 | Common | SOLE |
| 26142V105 | DKNG | DRAFTKINGS INC NEW | $6.3M | 0.34% | 183,778 | Common | SOLE |
| 358010106 | FEIM | FREQUENCY ELECTRS INC | $6.1M | 0.33% | 113,076 | Common | SOLE |
| 235825205 | DAN | DANA INC | $6.0M | 0.32% | 252,423 | Common | SOLE |
| 96924N100 | WLDN | WILLDAN GROUP INC | $6.0M | 0.32% | 57,613 | Common | SOLE |
| 67018T105 | NUS | NU SKIN ENTERPRISES INC | $5.7M | 0.31% | 596,724 | Common | SOLE |
| 87043Q108 | SG | SWEETGREEN INC | $5.7M | 0.31% | 848,085 | Common | SOLE |
| 346563109 | FORR | FORRESTER RESH INC | $5.7M | 0.31% | 705,749 | Common | SOLE |
| 25961D105 | DOUG | DOUGLAS ELLIMAN INC | $5.6M | 0.30% | 2,353,950 | Common | SOLE |
| 69120X206 | OWLT | OWLET INC | $5.6M | 0.30% | 343,543 | Common | SOLE |
| Y64177101 | ECO | OKEANIS ECO TANKERS COR | $5.5M | 0.29% | 161,815 | Common | SOLE |
| 74587B101 | PLSE | PULSE BIOSCIENCES INC | $5.4M | 0.29% | 393,499 | Common | SOLE |
| G38644103 | GCT | GIGACLOUD TECHNOLOGY INC | $5.4M | 0.29% | 137,478 | Common | SOLE |
| 925815102 | VICR | VICOR CORP | $5.3M | 0.29% | 48,721 | Common | SOLE |
| 70014A104 | PKE | PARK AEROSPACE CORP | $5.2M | 0.28% | 245,035 | Common | SOLE |
| 39304D102 | GDOT | GREEN DOT CORP | $5.2M | 0.28% | 406,734 | Common | SOLE |
| 05988J103 | BAND | BANDWIDTH INC | $5.2M | 0.28% | 336,874 | Common | SOLE |
| 278642103 | EBAY | EBAY INC. | $5.1M | 0.27% | 58,144 | Common | SOLE |
| G3323L100 | FN | FABRINET | $5.0M | 0.27% | 10,878 | Common | SOLE |
| 44951W106 | IESC | IES HLDGS INC | $4.6M | 0.25% | 11,792 | Common | SOLE |
| 359664109 | FLGT | FULGENT GENETICS INC | $4.5M | 0.24% | 169,590 | Common | SOLE |
| 00676P107 | ADEA | ADEIA INC | $4.4M | 0.24% | 256,208 | Common | SOLE |
| 679369108 | OLPX | OLAPLEX HLDGS INC | $4.1M | 0.22% | 3,082,600 | Common | SOLE |
| N72482206 | QGEN | QIAGEN NV | $4.1M | 0.22% | 90,182 | Common | SOLE |
| G037AX101 | AMBA | AMBARELLA INC | $3.8M | 0.21% | 54,242 | Common | SOLE |
| M84137104 | SMWB | SIMILARWEB LTD | $3.7M | 0.20% | 492,861 | Common | SOLE |
| 632307104 | NTRA | NATERA INC | $3.6M | 0.19% | 15,588 | Common | SOLE |
| 60741F104 | MBLY | MOBILEYE GLOBAL INC | $3.6M | 0.19% | 341,936 | Common | SOLE |
| 85209W109 | SPT | SPROUT SOCIAL INC | $3.4M | 0.18% | 301,473 | Common | SOLE |
| 589378108 | MRCY | MERCURY SYS INC | $3.4M | 0.18% | 46,348 | Common | SOLE |
| 876030107 | TPR | TAPESTRY INC | $3.3M | 0.18% | 25,868 | Common | SOLE |
| 688239201 | OSK | OSHKOSH CORP | $3.3M | 0.17% | 25,940 | Common | SOLE |
| 758750103 | RRX | REGAL REXNORD CORPORATION | $3.2M | 0.17% | 23,098 | Common | SOLE |
| 68989M202 | OUST | OUSTER INC | $3.1M | 0.17% | 145,148 | Common | SOLE |
| 747906600 | QMCO | QUANTUM CORP | $3.1M | 0.16% | 477,214 | Common | SOLE |
| 71535D106 | PSNL | PERSONALIS INC | $3.0M | 0.16% | 379,197 | Common | SOLE |
| 594918104 | MSFT | MICROSOFT CORP | $2.9M | 0.15% | 5,972 | Common | SOLE |
| 86800U302 | SMCI | SUPER MICRO COMPUTER INC | $2.8M | 0.15% | 96,544 | Common | SOLE |
| 45569U101 | INDI | INDIE SEMICONDUCTOR INC | $2.4M | 0.13% | 671,998 | Common | SOLE |
| 87876P201 | TGEN | TECOGEN INC NEW | $2.2M | 0.12% | 445,810 | Common | SOLE |
| 02079K107 | GOOG | ALPHABET INC | $2.2M | 0.12% | 6,992 | Common | SOLE |
| 55024U109 | LITE | LUMENTUM HLDGS INC | $2.1M | 0.11% | 5,822 | Common | SOLE |
| 015271109 | ARE | ALEXANDRIA REAL ESTATE EQ IN | $2.1M | 0.11% | 43,555 | Common | SOLE |
| G39108108 | GTES | GATES INDL CORP PLC | $2.1M | 0.11% | 97,125 | Common | SOLE |
| 98422D105 | XPEV | XPENG INC | $2.0M | 0.11% | 96,927 | Common | SOLE |
| 80007P869 | SD | SANDRIDGE ENERGY INC | $1.9M | 0.10% | 134,000 | Common | SOLE |
| 68389X105 | ORCL | ORACLE CORP | $1.9M | 0.10% | 9,560 | Common | SOLE |
| G8068L108 | SN | SHARKNINJA INC | $1.8M | 0.10% | 15,907 | Common | SOLE |
| 147448104 | CWST | CASELLA WASTE SYS INC | $1.5M | 0.08% | 15,225 | Common | SOLE |
| 92537N108 | VRT | VERTIV HOLDINGS CO | $1.5M | 0.08% | 9,039 | Common | SOLE |
| 72703X106 | PL | PLANET LABS PBC | $1.4M | 0.07% | 68,715 | Common | SOLE |
| 87484T108 | TALO | TALOS ENERGY INC | $1.3M | 0.07% | 119,100 | Common | SOLE |
| 83418M103 | SEI | SOLARIS ENERGY INFRAS INC | $895,220 | 0.05% | 19,474 | Common | SOLE |
| 75734B100 | RDDT | REDDIT INC | $817,877 | 0.04% | 3,558 | Common | SOLE |
| 300426103 | ECG | EVERUS CONSTR GROUP | $746,511 | 0.04% | 8,725 | Common | SOLE |
| 502431109 | LHX | L3HARRIS TECHNOLOGIES INC | $633,230 | 0.03% | 2,157 | Common | SOLE |
| 82489W107 | SHLS | SHOALS TECHNOLOGIES GROUP IN | $618,639 | 0.03% | 72,781 | Common | SOLE |
| 36165L108 | GDS | GDS HLDGS LTD | $536,029 | 0.03% | 15,359 | Common | SOLE |
| 651229106 | NWL | NEWELL BRANDS INC | $469,092 | 0.03% | 126,100 | Common | SOLE |
| 03212B103 | AMPY | AMPLIFY ENERGY CORP NEW | $407,018 | 0.02% | 89,063 | Common | SOLE |
| 18270D106 | CMTG | CLAROS MTG TR INC | $366,282 | 0.02% | 119,700 | Common | SOLE |
| 94724R108 | WEAV | WEAVE COMMUNICATIONS INC | $361,284 | 0.02% | 47,600 | Common | SOLE |
| 533535100 | LINC | LINCOLN EDL SVCS CORP | $338,269 | 0.02% | 14,007 | Common | SOLE |
| 44952J104 | CRGY | CRESCENT ENERGY COMPANY | $334,761 | 0.02% | 39,900 | Common | SOLE |
| 416906105 | HBIOUSD | HARVARD BIOSCIENCE INC | $273,974 | 0.01% | 409,650 | 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.