Portolan Capital Management, LLC Quant / Systematic

Location: Boston, MA

CIK: 0001350290 · Show all filings

Period: Q2 2025 (← Previous) (Next →)

Filing Date: Aug 13, 2025

Total Value: $1.595B (100.0% shares, 0.0% debt)

Holdings (118)

CLS CELESTICA INC 5.4%
Value $85.8M Shares 549,593 Est. Cost $66.36 Unrealized +60.2%
KTOS KRATOS DEFENSE &SEC SOLUTIO 3.9%
Value $61.71M Shares 1,328,423 Est. Cost $18.24 Unrealized +98.6%
ELF E L F BEAUTY INC 3.6%
Value $58.09M Shares 466,838 Est. Cost $78.80 Unrealized +8.3%
AVAV AEROVIRONMENT INC 3.2%
Value $50.95M Shares 178,816 Est. Cost $169.27 Unrealized 0.0%
MOD MODINE MFG CO 3.0%
Value $48.49M Shares 492,316 Est. Cost $76.63 Unrealized +16.5%
TTMI TTM TECHNOLOGIES INC 2.9%
Value $45.89M Shares 1,124,157 Est. Cost $18.26 Unrealized +51.5%
FOUR SHIFT4 PMTS INC 2.7%
Value $43.13M Shares 435,175 Est. Cost $89.17 Unrealized -2.2%
GENI GENIUS SPORTS LIMITED 2.7%
Value $42.5M Shares 4,086,364 Est. Cost $6.34 Unrealized +57.5%
POWL POWELL INDS INC 2.3%
Value $35.89M Shares 170,558 Est. Cost $193.39 Unrealized -6.7%
DBRG DIGITALBRIDGE GROUP INC 2.0%
Value $31.9M Shares 3,082,160 Est. Cost $10.95 Unrealized -13.1%
HNST HONEST CO INC 2.0%
Value $31.65M Shares 6,217,353 Est. Cost $2.91 Unrealized +64.6%
CSTL CASTLE BIOSCIENCES INC 1.9%
Value $30.42M Shares 1,489,572 Est. Cost $21.64 Unrealized -14.4%
PRCH PORCH GROUP INC 1.8%
Value $28.8M Shares 2,442,843 Est. Cost $3.68 Unrealized +133.7%
VPG VISHAY PRECISION GROUP INC 1.7%
Value $27.83M Shares 990,439 Est. Cost $23.60 Unrealized +4.4%
IIIV I3 VERTICALS INC 1.7%
Value $26.43M Shares 961,615 Est. Cost $22.92 Unrealized +9.4%
LUXE LUXEXPERIENCE BV 1.5%
Value $24.3M Shares 3,060,537 Est. Cost $5.52 Unrealized
QTRX QUANTERIX CORP 1.5%
Value $24.16M Shares 3,633,622 Est. Cost $13.59 Unrealized -59.0%
FLEX FLEX LTD 1.5%
Value $23.99M Shares 480,604 Est. Cost $27.93 Unrealized +39.5%
SLM SLM CORP 1.5%
Value $23.29M Shares 710,291 Est. Cost $25.48 Unrealized +20.1%
DKNG DRAFTKINGS INC NEW 1.3%
Value $21.04M Shares 490,547 Est. Cost $39.58 Unrealized -9.4%
LNTH LANTHEUS HLDGS INC 1.3%
Value $20.83M Shares 254,477 Est. Cost $78.16 Unrealized +12.4%
WRBY WARBY PARKER INC 1.3%
Value $20.82M Shares 949,277 Est. Cost $17.91 Unrealized +3.2%
POTBELLY CORP 1.3%
Value $20.43M Shares 1,667,702 Est. Cost $11.19 Unrealized
ZETA ZETA GLOBAL HOLDINGS CORP 1.3%
Value $20.38M Shares 1,315,690 Est. Cost $11.40 Unrealized +16.5%
RDNT RADNET INC 1.2%
Value $19.43M Shares 341,355 Est. Cost $56.72 Unrealized -3.2%
TLN TALEN ENERGY CORP 1.2%
Value $19.07M Shares 65,591 Est. Cost $173.26 Unrealized +36.9%
TPR TAPESTRY INC 1.2%
Value $19.03M Shares 216,711 Est. Cost $57.71 Unrealized +29.9%
METC RAMACO RES INC 1.2%
Value $18.65M Shares 1,419,285 Est. Cost $9.61 Unrealized 0.0%
MAMA MAMAS CREATIONS INC 1.1%
Value $17.97M Shares 2,165,550 Est. Cost $7.02 Unrealized +2.5%
SMTC SEMTECH CORP 1.1%
Value $17.11M Shares 379,018 Est. Cost $38.04 Unrealized -6.5%
GOOS CANADA GOOSE HLDGS INC 1.0%
Value $16.65M Shares 1,487,497 Est. Cost $9.69 Unrealized 0.0%
OPRA OPERA LTD 1.0%
Value $16.56M Shares 876,440 Est. Cost $15.38 Unrealized
CLBT CELLEBRITE DI LTD 1.0%
Value $16.19M Shares 1,011,844 Est. Cost $11.87 Unrealized +50.2%
DOMO DOMO INC 1.0%
Value $15.48M Shares 1,107,869 Est. Cost $8.98 Unrealized +12.0%
GTES GATES INDL CORP PLC 1.0%
Value $15.17M Shares 658,829 Est. Cost $20.34 Unrealized -0.9%
BIO BIO RAD LABS INC 0.9%
Value $15.15M Shares 62,784 Est. Cost $286.81 Unrealized -17.6%
GDOT GREEN DOT CORP 0.9%
Value $15.1M Shares 1,401,128 Est. Cost $8.78 Unrealized +2.9%
WGS GENEDX HOLDINGS CORP 0.9%
Value $14.98M Shares 162,228 Est. Cost $78.50 Unrealized 0.0%
KRUS KURA SUSHI USA INC 0.9%
Value $14.81M Shares 172,081 Est. Cost $83.46 Unrealized -21.4%
ALGN ALIGN TECHNOLOGY INC 0.8%
Value $12.83M Shares 67,739 Est. Cost $176.66 Unrealized 0.0%
LHX L3HARRIS TECHNOLOGIES INC 0.8%
Value $12.42M Shares 49,516 Est. Cost $227.05 Unrealized 0.0%
CDNA CAREDX INC 0.8%
Value $12.31M Shares 629,977 Est. Cost $20.23 Unrealized -12.2%
VIRT VIRTU FINL INC 0.8%
Value $12.24M Shares 273,367 Est. Cost $30.04 Unrealized +34.2%
PAYO PAYONEER GLOBAL INC 0.8%
Value $12.04M Shares 1,757,334 Est. Cost $7.67 Unrealized -11.7%
AAOI APPLIED OPTOELECTRONICS INC 0.7%
Value $11.7M Shares 455,322 Est. Cost $16.18 Unrealized 0.0%
OPRT OPORTUN FINL CORP 0.7%
Value $11.6M Shares 1,619,470 Est. Cost $5.75 Unrealized +4.4%
TGLS TECNOGLASS INC 0.7%
Value $11.59M Shares 149,816 Est. Cost $47.67 Unrealized +62.4%
BOOT BOOT BARN HLDGS INC 0.7%
Value $11.39M Shares 74,942 Est. Cost $132.72 Unrealized 0.0%
ENVA ENOVA INTL INC 0.7%
Value $10.92M Shares 97,931 Est. Cost $64.28 Unrealized +48.5%
TTWO TAKE-TWO INTERACTIVE SOFTWAR 0.7%
Value $10.6M Shares 43,660 Est. Cost $145.67 Unrealized +54.7%
WLDN WILLDAN GROUP INC 0.7%
Value $10.54M Shares 168,546 Est. Cost $47.69 Unrealized 0.0%
ZGN ERMENEGILDO ZEGNA N V 0.6%
Value $10.12M Shares 1,183,986 Est. Cost $8.19 Unrealized -1.5%
HII HUNTINGTON INGALLS INDS INC 0.6%
Value $10.02M Shares 41,501 Est. Cost $220.44 Unrealized 0.0%
VRT VERTIV HOLDINGS CO 0.6%
Value $9.851M Shares 76,715 Est. Cost $90.74 Unrealized +7.1%
SRAD SPORTRADAR GROUP AG 0.6%
Value $9.598M Shares 341,799 Est. Cost $12.11 Unrealized
LINC LINCOLN EDL SVCS CORP 0.6%
Value $9.094M Shares 394,553 Est. Cost $20.06 Unrealized 0.0%
REAX THE REAL BROKERAGE INC 0.6%
Value $8.957M Shares 1,985,922 Est. Cost $4.53 Unrealized -5.1%
UTHR UNITED THERAPEUTICS CORP DEL 0.6%
Value $8.84M Shares 30,763 Est. Cost $304.34 Unrealized -1.8%
GPOR GULFPORT ENERGY CORP 0.5%
Value $8.726M Shares 43,376 Est. Cost $181.97 Unrealized +2.5%
META META PLATFORMS INC 0.5%
Value $8.647M Shares 11,715 Est. Cost $147.85 Unrealized +317.1%
LOCO EL POLLO LOCO HLDGS INC 0.5%
Value $8.269M Shares 751,012 Est. Cost $9.91 Unrealized 0.0%
RDDT REDDIT INC 0.5%
Value $8.209M Shares 54,517 Est. Cost $112.13 Unrealized +1.1%
CADL CANDEL THERAPEUTICS INC 0.5%
Value $8.206M Shares 1,621,728 Est. Cost $5.74 Unrealized -10.3%
WT WISDOMTREE INC 0.5%
Value $7.854M Shares 682,368 Est. Cost $9.36 Unrealized 0.0%
PRIM PRIMORIS SVCS CORP 0.5%
Value $7.751M Shares 99,449 Est. Cost $65.98 Unrealized +2.7%
HZO MARINEMAX INC 0.5%
Value $7.743M Shares 307,988 Est. Cost $30.59 Unrealized -27.6%
SG SWEETGREEN INC 0.5%
Value $7.684M Shares 516,409 Est. Cost $18.51 Unrealized -10.9%
ACI ALBERTSONS COS INC 0.5%
Value $7.564M Shares 351,629 Est. Cost $18.76 Unrealized +13.0%
HCAT HEALTH CATALYST INC 0.5%
Value $7.466M Shares 1,980,409 Est. Cost $5.60 Unrealized -29.8%
LMT LOCKHEED MARTIN CORP 0.5%
Value $7.401M Shares 15,981 Est. Cost $459.07 Unrealized 0.0%
KMPR KEMPER CORP 0.4%
Value $7.062M Shares 109,417 Est. Cost $59.89 Unrealized +3.3%
PWP PERELLA WEINBERG PARTNERS 0.4%
Value $6.853M Shares 352,886 Est. Cost $17.46 Unrealized 0.0%
GRAB GRAB HOLDINGS LIMITED 0.4%
Value $6.811M Shares 1,354,131 Est. Cost $4.66 Unrealized 0.0%
AVPT AVEPOINT INC 0.4%
Value $6.232M Shares 322,743 Est. Cost $17.34 Unrealized 0.0%
MYGN MYRIAD GENETICS INC 0.4%
Value $6.178M Shares 1,163,400 Est. Cost $8.79 Unrealized -32.8%
BELFB BEL FUSE INC 0.4%
Value $6.108M Shares 62,526 Est. Cost $62.88 Unrealized +19.8%
FN FABRINET 0.4%
Value $5.722M Shares 19,416 Est. Cost $222.82 Unrealized 0.0%
SMWB SIMILARWEB LTD 0.4%
Value $5.704M Shares 727,592 Est. Cost $9.45 Unrealized -20.8%
BAND BANDWIDTH INC 0.3%
Value $5.495M Shares 345,571 Est. Cost $13.59 Unrealized 0.0%
WEAV WEAVE COMMUNICATIONS INC 0.3%
Value $5.398M Shares 648,765 Est. Cost $14.22 Unrealized -31.9%
FLR FLUOR CORP NEW 0.3%
Value $5.374M Shares 104,810 Est. Cost $39.88 Unrealized 0.0%
ESTA ESTABLISHMENT LABS HLDGS INC 0.3%
Value $5.313M Shares 124,392 Est. Cost $41.91 Unrealized -16.8%
BV BRIGHTVIEW HLDGS INC 0.3%
Value $5.104M Shares 306,576 Est. Cost $11.19 Unrealized +33.7%
FIVN FIVE9 INC 0.3%
Value $4.971M Shares 187,711 Est. Cost $33.86 Unrealized -23.2%
NTGR NETGEAR INC 0.3%
Value $4.921M Shares 169,294 Est. Cost $24.40 Unrealized +10.1%
SMCI SUPER MICRO COMPUTER INC 0.3%
Value $4.83M Shares 98,548 Est. Cost $37.60 Unrealized +2.5%
TSEM TOWER SEMICONDUCTOR LTD 0.3%
Value $4.753M Shares 109,632 Est. Cost $38.39 Unrealized 0.0%
RL RALPH LAUREN CORP 0.3%
Value $4.671M Shares 17,029 Est. Cost $245.36 Unrealized 0.0%
RCKY ROCKY BRANDS INC 0.3%
Value $4.642M Shares 209,186 Est. Cost $19.05 Unrealized 0.0%
SPWH SPORTSMANS WHSE HLDGS INC 0.3%
Value $4.574M Shares 1,325,668 Est. Cost $2.28 Unrealized -1.7%
GCT GIGACLOUD TECHNOLOGY INC 0.3%
Value $4.567M Shares 230,903 Est. Cost $15.99 Unrealized 0.0%
TTAM TITAN AMER SA 0.3%
Value $4.486M Shares 359,435 Est. Cost $13.25 Unrealized 0.0%
BXC BLUELINX HLDGS INC 0.3%
Value $4.396M Shares 59,102 Est. Cost $85.29 Unrealized -18.0%
CROX CROCS INC 0.3%
Value $4.33M Shares 42,750 Est. Cost $104.54 Unrealized -2.5%
DOUG DOUGLAS ELLIMAN INC 0.3%
Value $4.25M Shares 1,831,991 Est. Cost $2.14 Unrealized 0.0%
SM SM ENERGY CO 0.3%
Value $4.205M Shares 170,194 Est. Cost $23.52 Unrealized 0.0%
DECK DECKERS OUTDOOR CORP 0.3%
Value $4.09M Shares 39,681 Est. Cost $110.72 Unrealized 0.0%
FRPT FRESHPET INC 0.2%
Value $3.826M Shares 56,299 Est. Cost $78.11 Unrealized 0.0%
PSN PARSONS CORP DEL 0.2%
Value $3.711M Shares 51,707 Est. Cost $66.05 Unrealized 0.0%
RRX REGAL REXNORD CORPORATION 0.2%
Value $3.616M Shares 24,943 Est. Cost $125.42 Unrealized 0.0%
CRMD CORMEDIX INC 0.2%
Value $3.495M Shares 283,663 Est. Cost $11.04 Unrealized 0.0%
FORR FORRESTER RESH INC 0.2%
Value $3.482M Shares 351,726 Est. Cost $20.02 Unrealized -50.3%
NTRA NATERA INC 0.2%
Value $3.473M Shares 20,559 Est. Cost $63.61 Unrealized +145.0%
CELH CELSIUS HLDGS INC 0.2%
Value $3.38M Shares 72,858 Est. Cost $27.25 Unrealized +41.3%
MRX MAREX GROUP PLC 0.2%
Value $3.306M Shares 83,759 Est. Cost $27.46 Unrealized +50.0%
TGEN TECOGEN INC NEW 0.2%
Value $3.166M Shares 465,571 Est. Cost $4.01 Unrealized 0.0%
MSFT MICROSOFT CORP 0.2%
Value $3.132M Shares 6,297 Est. Cost $238.96 Unrealized +80.9%
ORCL ORACLE CORP 0.2%
Value $2.992M Shares 13,683 Est. Cost $145.61 Unrealized +10.4%
DXCM DEXCOM INC 0.2%
Value $2.721M Shares 31,169 Est. Cost $78.38 Unrealized 0.0%
DDI DOUBLEDOWN INTERACTIVE CO LT 0.2%
Value $2.64M Shares 275,903 Est. Cost $9.57 Unrealized
OLPX OLAPLEX HLDGS INC 0.1%
Value $2.188M Shares 1,562,741 Est. Cost $1.30 Unrealized 0.0%
INVE IDENTIV INC 0.1%
Value $1.936M Shares 594,006 Est. Cost $10.76 Unrealized -70.2%
CWST CASELLA WASTE SYS INC 0.1%
Value $1.766M Shares 15,303 Est. Cost $66.49 Unrealized +73.8%
GOOG ALPHABET INC 0.1%
Value $1.24M Shares 6,992 Est. Cost $135.59 Unrealized +21.6%
PRTC PURETECH HEALTH PLC 0.0%
Value $479K Shares 27,795 Est. Cost $18.33 Unrealized
TOI THE ONCOLOGY INSTITUTE INC 0.0%
Value $454K Shares 221,512 Est. Cost $2.50 Unrealized 0.0%
CWH CAMPING WORLD HLDGS INC 0.0%
Value $362K Shares 21,050 Est. Cost $15.21 Unrealized 0.0%
NOG NORTHERN OIL & GAS INC 0.0%
Value $306K Shares 10,777 Est. Cost $34.51 Unrealized -22.1%