Fund Holdings — Portolan Capital Management, LLC

Total Portfolio Value
$1.88B
Total Bought
$670.19M
Total Sold
$710.45M
Net Transaction
-$40.26M
Filing Period:
Securities
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SharesValue ($K)
Q4 2025
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Q1 2026
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Change
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Q4 2025
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Q1 2026
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Weight (%)
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Change
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PAR PAC HOLDINGS INC(PARR)0693,834+693,834043,4622.31%+43,462
VIRTU FINL INC(VIRT)376,2831,211,887+835,60412,53853,2992.84%+40,761
PBF ENERGY INC(PBF)0799,998+799,998038,0962.03%+38,096
CRESCENT ENERGY COMPANY(CRGY)39,9002,601,142+2,561,24233535,1151.87%+34,781
MURPHY USA INC(MUSA)048,107+48,107023,7631.26%+23,763
FABRINET(FN)10,87854,763+43,8854,95328,5601.52%+23,607
OKEANIS ECO TANKERS COR
SHS
161,815538,860+377,0455,47627,2611.45%+21,785
CIRCLE INTERNET GROUP INC(CRCL)0213,796+213,796020,3981.09%+20,398
DHT HOLDINGS INC(DHT)01,091,788+1,091,788019,9471.06%+19,947
UNITED THERAPEUTICS CORP DEL(UTHR)36,75363,435+26,68217,90837,6162.00%+19,708
MODINE MFG CO(MOD)535,947412,092-123,85571,55489,3044.75%+17,750
POWELL INDS INC(POWL)79,11675,830-3,28625,22141,0302.18%+15,809
HAFNIA LTD(HAFN)01,948,717+1,948,717014,8100.79%+14,810
QUALYS INC(QLYS)51,855239,028+187,1736,89220,9991.12%+14,107
CORE NATURAL RESOURCES INC(CNR)130,242237,036+106,79411,52824,8251.32%+13,297
ADEIA INC(ADEA)256,208729,461+473,2534,42017,5290.93%+13,109
NOKIA CORP(NOK)1,076,1222,393,970+1,317,8486,96319,2481.02%+12,285
AMER SPORTS INC(AS)0357,826+357,826011,7800.63%+11,780
KURA SUSHI USA INC(KRUS)190,796301,212+110,4169,98421,0221.12%+11,037
EVOLV TECHNOLOGIES HLDNGS IN(EVLV)01,795,688+1,795,688010,8640.58%+10,864
VISHAY PRECISION GROUP INC(VPG)877,6691,019,868+142,19933,79044,2832.36%+10,492
PULSE BIOSCIENCES INC(PLSE)393,499733,372+339,8735,40315,8340.84%+10,431
AMERICAN SUPERCONDUCTOR CORP0295,636+295,636010,0070.53%+10,007
TWILIO INC(TWLO)074,769+74,76909,4070.50%+9,407
MOOG INC(MOG-A)029,437+29,43708,6140.46%+8,614
DAVE INC(DAVE)44,001105,442+61,4419,74218,3560.98%+8,614
VEECO INSTRS INC DEL(VECO)0253,379+253,37908,5790.46%+8,579
HEALTHEQUITY INC(HQY)0101,646+101,64608,4950.45%+8,495
GRAHAM CORP(GHM)0103,556+103,55608,1730.43%+8,173
LUXEXPERIENCE BV(LUXE)2,660,6743,733,943+1,073,26922,21729,8721.59%+7,655
CANADA GOOSE HLDGS INC(GOOS)2,138,9043,218,277+1,079,37327,69935,3041.88%+7,606
ELEMENT SOLUTIONS INC(ESI)0221,232+221,23207,5530.40%+7,553
AXCELIS TECHNOLOGIES INC077,168+77,16807,1830.38%+7,183
ON HLDG AG(ONON)0202,444+202,44406,8870.37%+6,887
REGAL REXNORD CORPORATION(RRX)23,09853,975+30,8773,24110,1070.54%+6,866
CELLEBRITE DI LTD(CLBT)1,287,2872,180,924+893,63723,21030,0531.60%+6,843
BIOGEN INC(BIIB)84,990118,481+33,49114,95721,7211.16%+6,764
EBAY INC.(EBAY)58,144126,096+67,9525,06411,4770.61%+6,413
BAIDU INC263,681366,429+102,74834,45340,8282.17%+6,375
PARK AEROSPACE CORP(PKE)245,035410,655+165,6205,22911,2440.60%+6,015
NORTHERN OIL & GAS INC(NOG)0204,244+204,24405,9700.32%+5,970
BLACKLINE INC(BL)0159,026+159,02605,8840.31%+5,884
CELSIUS HLDGS INC(CELH)0164,597+164,59705,8400.31%+5,840
CENTURY ALUM CO(CENX)095,039+95,03905,5780.30%+5,578
PRIMORIS SVCS CORP(PRIM)105,716130,626+24,91013,12418,6850.99%+5,561
TELIX PHARMACEUTICAL LTD(TLX)0541,267+541,26705,1800.28%+5,180
MAYVILLE ENGR CO INC(MEC)512,762821,136+308,3749,59914,7390.78%+5,140
MIAMI INTL HLDGS INC(MIAX)0128,819+128,81905,0140.27%+5,014
VIAVI SOLUTIONS INC(VIAV)0145,844+145,84404,8540.26%+4,854
CELESTICA INC(CLS)172,275197,863+25,58850,92655,7342.97%+4,808
CANDEL THERAPEUTICS INC(CADL)1,695,3672,894,325+1,198,9589,57914,1820.75%+4,603
ONTO INNOVATION INC(ONTO)022,263+22,26304,5650.24%+4,565
PROPETRO HLDG CORP(PUMP)0314,815+314,81504,5360.24%+4,536
JABIL INC(JBL)70,66577,197+6,53216,11320,5061.09%+4,393
TALOS ENERGY INC(TALO)119,100344,549+225,4491,3125,4300.29%+4,118
FORGENT POWER SOLUTIONS INC(FPS)0117,933+117,93303,4520.18%+3,452
DRAGANFLY INC.(DPRO)0682,730+682,73003,3520.18%+3,352
FORRESTER RESH INC(FORR)705,7491,541,276+835,5275,7318,7240.46%+2,993
UPWORK INC(UPWK)719,6441,570,560+850,91614,26317,2130.92%+2,950
ALLIENT INC301,888323,453+21,56516,22619,1131.02%+2,886
AKAMAI TECHNOLOGIES INC(AKAM)524,321423,442-100,87945,74748,6322.59%+2,885
XPENG INC(XPEV)96,927275,432+178,5051,9664,7130.25%+2,747
REMITLY GLOBAL INC(RELY)628,019698,166+70,1478,66710,9400.58%+2,274
ULTRA CLEAN HLDGS INC(UCTT)033,700+33,70002,0950.11%+2,095
LUMENTUM HLDGS INC(LITE)5,8225,82202,1464,0910.22%+1,946
AMBARELLA INC(AMBA)54,242108,749+54,5073,8435,5980.30%+1,755
KOSMOS ENERGY LTD(KOS)0602,542+602,54201,6750.09%+1,675
PERSONALIS INC(PSNL)379,197736,713+357,5163,0184,6930.25%+1,674
OPEN LENDING CORP4,736,6306,902,888+2,166,2587,3428,6290.46%+1,287
MAMAS CREATIONS INC(MAMA)1,245,7671,176,936-68,83116,80518,0540.96%+1,249
WILLDAN GROUP INC(WLDN)57,61393,964+36,3515,9727,1940.38%+1,222
MOBILEYE GLOBAL INC(MBLY)341,936678,135+336,1993,5704,6590.25%+1,089
IES HOLDINGS INC(IESC)11,79211,869+774,5875,6550.30%+1,068
FLEXTRONICS INTL LTD(FLEX)466,913443,128-23,78528,21129,0071.54%+796
SOLARIS ENERGY INFRAS INC(SEI)19,47427,930+8,4568951,5780.08%+683
FREQUENCY ELECTRS INC(FEIM)113,076150,141+37,0656,0886,6450.35%+557
EVERUS CONSTR GROUP(ECG)8,7258,72507471,0300.05%+284
LINCOLN EDL SVCS CORP(LINC)14,00714,00703385700.03%+232
ERMENEGILDO ZEGNA N V
ORD SHS
710,534710,626+927,2837,4050.39%+122
L3HARRIS TECHNOLOGIES INC(LHX)2,1572,15706337440.04%+111
VNET GROUP INC(VNET)806,800825,490+18,6906,8266,9260.37%+100
SANDRIDGE ENERGY INC(SD)134,000123,591-10,4091,9342,0160.11%+82
GDS HLDGS LTD(GDS)15,35915,281-785366160.03%+80
AMPLIFY ENERGY CORP NEW(AMPY)89,06374,120-14,9434074630.02%+55
LANTHEUS HLDGS INC(LNTH)475,789417,390-58,39931,66431,6591.68%-5
PLANET LABS PBC(PL)68,71547,288-21,4271,3551,3220.07%-33
NEXTPOWER INC79,78956,747-23,0426,9506,8410.36%-110
SPROUT SOCIAL INC(SPT)301,473558,350+256,8773,3983,1830.17%-215
HARVARD BIOSCIENCE INC(HBIO)409,6500-409,6502740—-274
CASELLA WASTE SYS INC(CWST)15,22515,100-1251,4911,1980.06%-293
WEAVE COMMUNICATIONS INC(WEAV)47,6000-47,6003610—-361
CLAROS MTG TR INC(CMTG)119,7000-119,7003660—-366
NEWELL BRANDS INC(NWL)126,1000-126,1004690—-469
ALPHABET INC(GOOG)6,9925,710-1,2822,1941,6380.09%-556
OSHKOSH CORP(OSK)25,94018,185-7,7553,2592,6770.14%-582
SHOALS TECHNOLOGIES GROUP IN(SHLS)72,7810-72,7816190—-619
GENEDX HOLDINGS CORP(WGS)55,776102,575+46,7997,2546,5870.35%-667
REDDIT INC(RDDT)3,5580-3,5588180—-818
TAPESTRY INC(TPR)25,86817,038-8,8303,3052,4040.13%-901
META PLATFORMS INC(META)10,31810,261-576,8115,8710.31%-940
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Portolan Capital Management, LLC — 13F Holdings — Q1 2026 | TickerTrail