Portolan Capital Management, LLC Quant / Systematic

Location: Boston, MA

CIK: 0001350290 · Show all filings

Period: Q3 2025 (← Previous) (Next →)

Filing Date: Nov 13, 2025

Total Value: $1.848B (100.0% shares, 0.0% debt)

Holdings (119)

MOD MODINE MFG CO 4.6%
Value $85.65M Shares 602,462 Est. Cost $85.88 Unrealized +48.2%
TTMI TTM TECHNOLOGIES INC 3.7%
Value $68.48M Shares 1,188,822 Est. Cost $19.79 Unrealized +134.8%
ELF E L F BEAUTY INC 3.5%
Value $64.59M Shares 487,525 Est. Cost $80.69 Unrealized +52.9%
DBRG DIGITALBRIDGE GROUP INC 3.5%
Value $63.98M Shares 5,468,226 Est. Cost $11.04 Unrealized +1.0%
CLS CELESTICA INC 3.4%
Value $61.98M Shares 251,556 Est. Cost $66.36 Unrealized +203.8%
KTOS KRATOS DEFENSE &SEC SOLUTIO 2.9%
Value $54.47M Shares 596,106 Est. Cost $18.24 Unrealized +251.2%
SMTC SEMTECH CORP 2.6%
Value $47.79M Shares 668,862 Est. Cost $45.08 Unrealized +20.4%
AVAV AEROVIRONMENT INC 2.5%
Value $46.58M Shares 147,929 Est. Cost $169.27 Unrealized +52.8%
POWL POWELL INDS INC 2.4%
Value $45.19M Shares 148,245 Est. Cost $193.39 Unrealized +31.3%
CLBT CELLEBRITE DI LTD 2.4%
Value $44.84M Shares 2,419,662 Est. Cost $14.10 Unrealized +11.4%
GENI GENIUS SPORTS LIMITED 2.4%
Value $44.73M Shares 3,612,811 Est. Cost $6.34 Unrealized +88.5%
DOMO DOMO INC 2.3%
Value $42.53M Shares 2,684,753 Est. Cost $12.80 Unrealized +21.0%
TLN TALEN ENERGY CORP 2.2%
Value $40.29M Shares 94,717 Est. Cost $231.08 Unrealized +56.4%
FLEX FLEX LTD 1.9%
Value $34.54M Shares 595,786 Est. Cost $32.80 Unrealized +62.0%
CSTL CASTLE BIOSCIENCES INC 1.9%
Value $34.5M Shares 1,515,111 Est. Cost $21.62 Unrealized -6.0%
GOOS CANADA GOOSE HLDGS INC 1.6%
Value $29.98M Shares 2,174,001 Est. Cost $10.73 Unrealized +20.9%
VPG VISHAY PRECISION GROUP INC 1.4%
Value $26.39M Shares 823,298 Est. Cost $23.60 Unrealized +22.6%
PRCH PORCH GROUP INC 1.4%
Value $25.75M Shares 1,534,303 Est. Cost $3.68 Unrealized +317.3%
HNST HONEST CO INC 1.4%
Value $25.5M Shares 6,928,004 Est. Cost $3.05 Unrealized +39.1%
IIIV I3 VERTICALS INC 1.3%
Value $24.27M Shares 747,656 Est. Cost $22.92 Unrealized +31.5%
REAX THE REAL BROKERAGE INC 1.3%
Value $24.12M Shares 5,769,203 Est. Cost $4.52 Unrealized -0.1%
TSEM TOWER SEMICONDUCTOR LTD 1.3%
Value $23.66M Shares 327,305 Est. Cost $49.18 Unrealized +11.0%
OPRA OPERA LTD 1.3%
Value $23.2M Shares 1,124,085 Est. Cost $16.54 Unrealized
QTRX QUANTERIX CORP 1.3%
Value $23.13M Shares 4,259,851 Est. Cost $12.37 Unrealized -57.0%
LASR NLIGHT INC 1.2%
Value $22.81M Shares 769,788 Est. Cost $24.80 Unrealized 0.0%
WWW WOLVERINE WORLD WIDE INC 1.2%
Value $21.86M Shares 796,627 Est. Cost $26.08 Unrealized 0.0%
GDOT GREEN DOT CORP 1.2%
Value $21.69M Shares 1,615,280 Est. Cost $9.26 Unrealized +33.3%
MAMA MAMAS CREATIONS INC 1.2%
Value $21.39M Shares 2,034,928 Est. Cost $7.02 Unrealized +29.1%
PRIM PRIMORIS SVCS CORP 1.1%
Value $20.5M Shares 149,241 Est. Cost $79.79 Unrealized +34.6%
ZETA ZETA GLOBAL HOLDINGS CORP 1.1%
Value $20.37M Shares 1,025,195 Est. Cost $11.40 Unrealized +57.5%
PSIX POWER SOLUTIONS INTL INC 1.0%
Value $19.23M Shares 195,804 Est. Cost $88.67 Unrealized 0.0%
FSLR FIRST SOLAR INC 1.0%
Value $18.35M Shares 83,198 Est. Cost $191.94 Unrealized 0.0%
WRBY WARBY PARKER INC 1.0%
Value $17.82M Shares 646,088 Est. Cost $17.91 Unrealized +41.1%
BELFB BEL FUSE INC 0.9%
Value $17.45M Shares 123,766 Est. Cost $94.76 Unrealized +34.4%
RDNT RADNET INC 0.9%
Value $17.27M Shares 226,669 Est. Cost $56.72 Unrealized +14.5%
WIX WIX COM LTD 0.9%
Value $17.02M Shares 95,809 Est. Cost $150.49 Unrealized 0.0%
ACMR ACM RESH INC 0.9%
Value $15.88M Shares 405,860 Est. Cost $29.69 Unrealized 0.0%
LNTH LANTHEUS HLDGS INC 0.8%
Value $15.24M Shares 297,208 Est. Cost $75.91 Unrealized -17.7%
VRT VERTIV HOLDINGS CO 0.8%
Value $15.18M Shares 100,599 Est. Cost $100.85 Unrealized +32.2%
FOUR SHIFT4 PMTS INC 0.8%
Value $14.61M Shares 188,761 Est. Cost $89.17 Unrealized +4.3%
SEI SOLARIS ENERGY INFRAS INC 0.8%
Value $14.53M Shares 363,440 Est. Cost $31.12 Unrealized 0.0%
SMCI SUPER MICRO COMPUTER INC 0.8%
Value $14.21M Shares 296,341 Est. Cost $44.37 Unrealized +7.6%
AAOI APPLIED OPTOELECTRONICS INC 0.8%
Value $14.16M Shares 546,219 Est. Cost $17.74 Unrealized +44.1%
DKNG DRAFTKINGS INC NEW 0.8%
Value $13.91M Shares 372,002 Est. Cost $39.58 Unrealized +12.0%
CDNA CAREDX INC 0.7%
Value $13.57M Shares 933,532 Est. Cost $18.29 Unrealized -22.1%
LUXE LUXEXPERIENCE BV 0.7%
Value $13.27M Shares 1,561,266 Est. Cost $5.52 Unrealized
BIO BIO RAD LABS INC 0.7%
Value $13.02M Shares 46,440 Est. Cost $286.81 Unrealized -5.1%
SPHR SPHERE ENTERTAINMENT CO 0.7%
Value $12.95M Shares 208,418 Est. Cost $47.20 Unrealized 0.0%
LPTH LIGHTPATH TECHNOLOGIES INC 0.7%
Value $12.94M Shares 1,631,622 Est. Cost $4.46 Unrealized 0.0%
ZGN ERMENEGILDO ZEGNA N V 0.7%
Value $12.94M Shares 1,369,176 Est. Cost $8.26 Unrealized +5.3%
CIEN CIENA CORP 0.7%
Value $12.93M Shares 88,786 Est. Cost $101.84 Unrealized 0.0%
BAND BANDWIDTH INC 0.7%
Value $12.43M Shares 745,802 Est. Cost $14.58 Unrealized +5.8%
ALNT ALLIENT INC 0.6%
Value $11.53M Shares 257,653 Est. Cost $42.70 Unrealized 0.0%
RPAY REPAY HLDGS CORP 0.6%
Value $11.42M Shares 2,182,925 Est. Cost $5.35 Unrealized 0.0%
TTWO TAKE-TWO INTERACTIVE SOFTWAR 0.6%
Value $11.27M Shares 43,611 Est. Cost $145.67 Unrealized +62.5%
ENVA ENOVA INTL INC 0.6%
Value $11.26M Shares 97,817 Est. Cost $64.28 Unrealized +77.8%
SMWB SIMILARWEB LTD 0.6%
Value $10.96M Shares 1,179,000 Est. Cost $9.26 Unrealized -3.3%
FN FABRINET 0.6%
Value $10.49M Shares 28,770 Est. Cost $257.43 Unrealized +27.9%
HZO MARINEMAX INC 0.5%
Value $9.947M Shares 392,713 Est. Cost $29.49 Unrealized -13.6%
KRUS KURA SUSHI USA INC 0.5%
Value $9.946M Shares 167,408 Est. Cost $83.46 Unrealized -4.4%
CELH CELSIUS HLDGS INC 0.5%
Value $9.43M Shares 164,031 Est. Cost $41.17 Unrealized +27.0%
GTES GATES INDL CORP PLC 0.5%
Value $9.108M Shares 366,945 Est. Cost $20.34 Unrealized +22.1%
CXT CRANE NXT CO 0.5%
Value $8.853M Shares 131,989 Est. Cost $59.28 Unrealized 0.0%
META META PLATFORMS INC 0.5%
Value $8.583M Shares 11,688 Est. Cost $147.85 Unrealized +402.7%
PL PLANET LABS PBC 0.4%
Value $8.19M Shares 630,964 Est. Cost $7.71 Unrealized 0.0%
LITE LUMENTUM HLDGS INC 0.4%
Value $8.047M Shares 49,457 Est. Cost $124.70 Unrealized 0.0%
RDDT REDDIT INC 0.4%
Value $7.946M Shares 34,550 Est. Cost $112.13 Unrealized +82.0%
BKSY BLACKSKY TECHNOLOGY INC 0.4%
Value $7.855M Shares 389,802 Est. Cost $19.49 Unrealized 0.0%
LPRO OPEN LENDING CORP 0.4%
Value $7.752M Shares 3,673,890 Est. Cost $2.26 Unrealized 0.0%
TMDX TRANSMEDICS GROUP INC 0.4%
Value $7.732M Shares 68,910 Est. Cost $117.06 Unrealized 0.0%
UTHR UNITED THERAPEUTICS CORP DEL 0.4%
Value $7.578M Shares 18,076 Est. Cost $304.34 Unrealized +10.5%
GNRC GENERAC HLDGS INC 0.4%
Value $7.538M Shares 45,031 Est. Cost $175.19 Unrealized 0.0%
LINC LINCOLN EDL SVCS CORP 0.4%
Value $7.517M Shares 319,878 Est. Cost $20.06 Unrealized +6.8%
STC STEWART INFORMATION SVCS COR 0.4%
Value $7.463M Shares 101,782 Est. Cost $68.80 Unrealized 0.0%
UPWK UPWORK INC 0.4%
Value $7.315M Shares 393,929 Est. Cost $14.89 Unrealized 0.0%
TGLS TECNOGLASS INC 0.4%
Value $7.311M Shares 109,265 Est. Cost $47.67 Unrealized +54.8%
NUS NU SKIN ENTERPRISES INC 0.4%
Value $7.274M Shares 596,724 Est. Cost $10.41 Unrealized 0.0%
CADL CANDEL THERAPEUTICS INC 0.4%
Value $7.059M Shares 1,384,142 Est. Cost $5.74 Unrealized +0.7%
FEIM FREQUENCY ELECTRS INC 0.4%
Value $6.912M Shares 203,827 Est. Cost $27.78 Unrealized 0.0%
DOUG DOUGLAS ELLIMAN INC 0.4%
Value $6.732M Shares 2,353,950 Est. Cost $2.24 Unrealized +16.9%
ESTA ESTABLISHMENT LABS HLDGS INC 0.3%
Value $6.357M Shares 155,096 Est. Cost $41.70 Unrealized -2.0%
TIC ACUREN CORP 0.3%
Value $6.295M Shares 472,954 Est. Cost $11.40 Unrealized 0.0%
GCT GIGACLOUD TECHNOLOGY INC 0.3%
Value $6.259M Shares 220,387 Est. Cost $15.99 Unrealized +63.1%
ECG EVERUS CONSTR GROUP 0.3%
Value $6.254M Shares 72,930 Est. Cost $74.30 Unrealized 0.0%
LMT LOCKHEED MARTIN CORP 0.3%
Value $6.243M Shares 12,506 Est. Cost $459.07 Unrealized -2.4%
SHLS SHOALS TECHNOLOGIES GROUP IN 0.3%
Value $6.041M Shares 815,205 Est. Cost $6.15 Unrealized 0.0%
AMRC AMERESCO INC 0.3%
Value $5.873M Shares 174,903 Est. Cost $22.88 Unrealized 0.0%
VNET VNET GROUP INC 0.3%
Value $5.862M Shares 567,466 Est. Cost $10.33 Unrealized
ONTO ONTO INNOVATION INC 0.3%
Value $5.759M Shares 44,564 Est. Cost $107.03 Unrealized 0.0%
FORR FORRESTER RESH INC 0.3%
Value $5.447M Shares 513,872 Est. Cost $16.90 Unrealized -40.0%
TGEN TECOGEN INC NEW 0.3%
Value $5.249M Shares 595,806 Est. Cost $4.88 Unrealized +64.2%
LEVI LEVI STRAUSS &CO NEW 0.3%
Value $4.991M Shares 214,221 Est. Cost $20.94 Unrealized 0.0%
PKE PARK AEROSPACE CORP 0.3%
Value $4.984M Shares 245,035 Est. Cost $18.13 Unrealized 0.0%
PRG PROG HOLDINGS INC 0.3%
Value $4.859M Shares 150,161 Est. Cost $32.57 Unrealized 0.0%
OLPX OLAPLEX HLDGS INC 0.3%
Value $4.762M Shares 3,635,124 Est. Cost $1.38 Unrealized +4.1%
WGS GENEDX HOLDINGS CORP 0.3%
Value $4.746M Shares 44,048 Est. Cost $78.50 Unrealized +38.8%
SITM SITIME CORP 0.3%
Value $4.671M Shares 15,503 Est. Cost $231.82 Unrealized 0.0%
WYFI WHITEFIBER INC 0.2%
Value $4.365M Shares 160,669 Est. Cost $19.54 Unrealized 0.0%
CTOS CUSTOM TRUCK ONE SOURCE INC 0.2%
Value $4.167M Shares 649,076 Est. Cost $5.79 Unrealized 0.0%
RCKY ROCKY BRANDS INC 0.2%
Value $3.822M Shares 128,307 Est. Cost $19.05 Unrealized +40.9%
SRAD SPORTRADAR GROUP AG 0.2%
Value $3.546M Shares 131,810 Est. Cost $12.11 Unrealized
MRCY MERCURY SYS INC 0.2%
Value $3.472M Shares 44,864 Est. Cost $62.18 Unrealized 0.0%
MSFT MICROSOFT CORP 0.2%
Value $3.093M Shares 5,972 Est. Cost $238.96 Unrealized +112.9%
TPR TAPESTRY INC 0.2%
Value $2.929M Shares 25,868 Est. Cost $57.71 Unrealized +80.2%
ORCL ORACLE CORP 0.1%
Value $2.689M Shares 9,560 Est. Cost $145.61 Unrealized +74.6%
SG SWEETGREEN INC 0.1%
Value $2.539M Shares 318,147 Est. Cost $18.51 Unrealized -41.3%
NTRA NATERA INC 0.1%
Value $2.509M Shares 15,588 Est. Cost $63.61 Unrealized +148.7%
PLSE PULSE BIOSCIENCES INC 0.1%
Value $1.809M Shares 102,197 Est. Cost $15.82 Unrealized 0.0%
PACK RANPAK HOLDINGS CORP 0.1%
Value $1.773M Shares 315,456 Est. Cost $4.38 Unrealized 0.0%
GOOG ALPHABET INC 0.1%
Value $1.703M Shares 6,992 Est. Cost $135.59 Unrealized +54.8%
WLDN WILLDAN GROUP INC 0.1%
Value $1.677M Shares 17,344 Est. Cost $47.69 Unrealized +98.5%
LHX L3HARRIS TECHNOLOGIES INC 0.1%
Value $1.543M Shares 5,051 Est. Cost $227.05 Unrealized +19.5%
CWST CASELLA WASTE SYS INC 0.1%
Value $1.445M Shares 15,225 Est. Cost $66.49 Unrealized +51.4%
WT WISDOMTREE INC 0.1%
Value $984K Shares 70,782 Est. Cost $9.36 Unrealized +42.7%
SPWH SPORTSMANS WHSE HLDGS INC 0.0%
Value $842K Shares 303,800 Est. Cost $2.28 Unrealized +40.1%
BIDU BAIDU INC 0.0%
Value $604K Shares 4,580 Est. Cost $131.77 Unrealized
GDS GDS HLDGS LTD 0.0%
Value $544K Shares 14,064 Est. Cost $38.70 Unrealized
BXC BLUELINX HLDGS INC 0.0%
Value $490K Shares 6,700 Est. Cost $85.29 Unrealized -7.6%
VELO VELO3D INC 0.0%
Value $184K Shares 59,921 Est. Cost $3.07 Unrealized