Fund Holdings — Portolan Capital Management, LLC

Total Portfolio Value:
$2.67B
Total Bought:
$1.15B
Total Sold:
$770.74M
Net Transaction:
+$383.52M
Securities
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SharesValue
Q1 2026
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Q2 2026
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Change
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Q1 2026
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Q2 2026
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Weight (%)
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Change
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Vishay Precision Group, Inc.(VPG)1,019,8681,008,167-11,701$44.28M$151.13M5.66%+$106.85M
Virtu Financial, Inc.CL A(VIRT)1,211,8872,142,215+930,328$53.30M$127.61M4.78%+$74.31M
TTM Technologies, Inc.(TTMI)727,494507,838-219,656$70.87M$94.98M3.56%+$24.10M
Modine Manufacturing Company(MOD)412,092313,683-98,409$89.30M$83.76M3.14%-$5.54M
Qualys, Inc.(QLYS)239,028529,807+290,779$21.00M$72.84M2.73%+$51.84M
Shift4 Payments, Inc.CL A(FOUR)214,2841,114,116+899,832$9.37M$54.19M2.03%+$44.82M
Mayville Engineering Company, Inc.(MEC)821,1361,299,256+478,120$14.74M$48.67M1.82%+$33.93M
Enova International, Inc.(ENVA)80,923198,795+117,872$10.99M$47.86M1.79%+$36.86M
Semtech Corporation(SMTC)332,327294,619-37,708$25.55M$47.68M1.79%+$22.13M
Celestica Inc.(CLS)197,863126,856-71,007$55.73M$46.28M1.73%-$9.46M
United Therapeutics Corporation(UTHR)63,43581,518+18,083$37.62M$44.17M1.65%+$6.55M
Genius Sports LimitedCL A
SHARES CL A
2,791,0187,025,809+4,234,791$12.36M$42.58M1.59%+$30.21M
Powell Industries, Inc.(POWL)75,830145,631+69,801$41.03M$41.70M1.56%+$672.8K
Penguin Solutions, Inc.(PENG)0546,173+546,173$0$41.51M1.55%+$41.51M
Dave Inc.CL A(DAVE)105,442105,338-104$18.36M$39.25M1.47%+$20.89M
Flex Ltd.(FLEX)443,128229,027-214,101$29.01M$37.12M1.39%+$8.11M
Allient Inc323,453359,685+36,232$19.11M$37.02M1.39%+$17.91M
Porch Group, Inc.(PRCH)2,144,8902,456,451+311,561$15.38M$36.95M1.38%+$21.57M
Akamai Technologies, Inc.(AKAM)423,442310,361-113,081$48.63M$36.69M1.37%-$11.94M
Candel Therapeutics, Inc.(CADL)2,894,3253,490,398+596,073$14.18M$35.95M1.35%+$21.77M
Talen Energy Corporation(TLN)81,57490,312+8,738$26.04M$34.70M1.30%+$8.66M
Regal Rexnord Corporation(RRX)53,975137,498+83,523$10.11M$32.75M1.23%+$22.64M
Lantheus Holdings, Inc.(LNTH)417,390288,691-128,699$31.66M$32.03M1.20%+$368.3K
Biogen Inc.(BIIB)118,481142,856+24,375$21.72M$30.87M1.16%+$9.14M
Veeco Instruments Inc.(VECO)253,379401,639+148,260$8.58M$30.44M1.14%+$21.86M
LuxExperience B.V.ADS(LUXE)3,733,9434,053,147+319,204$29.87M$30.11M1.13%+$243.3K
Zeta Global Holdings Corp.CL A(ZETA)486,2711,502,738+1,016,467$7.74M$29.57M1.11%+$21.83M
Cellebrite DI Ltd.(CLBT)2,180,9241,932,514-248,410$30.05M$28.21M1.06%-$1.84M
Sportradar Group AGCL A(SRAD)01,819,949+1,819,949$0$27.24M1.02%+$27.24M
Canada Goose Holdings Inc.SHS SUB VTG(GOOS)3,218,2772,750,523-467,754$35.30M$26.16M0.98%-$9.15M
Bandwidth Inc.CL A(BAND)0412,701+412,701$0$26.12M0.98%+$26.12M
Warby Parker Inc.CL A(WRBY)500,706843,862+343,156$10.55M$25.60M0.96%+$15.05M
Kontoor Brands, Inc.(KTB)0292,115+292,115$0$24.34M0.91%+$24.34M
Oshkosh Corporation(OSK)18,185157,641+139,456$2.68M$24.19M0.91%+$21.52M
Encore Capital Group, Inc.(ECPG)0255,715+255,715$0$23.86M0.89%+$23.86M
Twilio Inc.CL A(TWLO)74,769115,397+40,628$9.41M$23.81M0.89%+$14.40M
Sezzle Inc.(SEZL)70,046135,743+65,697$4.43M$23.30M0.87%+$18.86M
Remitly Global, Inc.(RELY)698,1661,017,592+319,426$10.94M$22.80M0.85%+$11.86M
ACM Research, Inc.CL A(ACMR)83,256177,432+94,176$3.28M$22.51M0.84%+$19.24M
Element Solutions Inc(ESI)221,232469,213+247,981$7.55M$22.40M0.84%+$14.85M
Nokia OyjADR(NOK)2,393,9701,645,761-748,209$19.25M$21.86M0.82%+$2.61M
BlackBerry Limited(BB)01,714,461+1,714,461$0$21.69M0.81%+$21.69M
International Flavors & Fragrances Inc.(IFF)0269,229+269,229$0$21.33M0.80%+$21.33M
Pulse Biosciences, Inc.(PLSE)733,372753,333+19,961$15.83M$20.89M0.78%+$5.06M
Moog Inc.CL A(MOG-A)29,43749,274+19,837$8.61M$20.88M0.78%+$12.27M
The Real Brokerage Inc14,519,84811,042,364-3,477,484$36.30M$20.10M0.75%-$16.20M
CareDx, Inc.(CDNA)340,352684,805+344,453$5.91M$19.52M0.73%+$13.61M
Par Pacific Holdings, Inc.(PARR)693,834341,863-351,971$43.46M$19.17M0.72%-$24.29M
Vishay Intertechnology, Inc.(VSH)0351,515+351,515$0$18.90M0.71%+$18.90M
Take-Two Interactive Software, Inc.(TTWO)32,21972,487+40,268$6.36M$18.12M0.68%+$11.76M
Gates Indl Corp Plc
ORD SHS
0641,587+641,587$0$17.95M0.67%+$17.95M
Mama's Creations, Inc.(MAMA)1,176,936984,869-192,067$18.05M$17.58M0.66%-$474.3K
Kura Sushi USA, Inc.CL A(KRUS)301,212302,010+798$21.02M$17.38M0.65%-$3.64M
Sanmina Corporation(SANM)27,33268,255+40,923$3.54M$17.27M0.65%+$13.73M
Park Aerospace Corp.(PKE)410,655447,390+36,735$11.24M$17.07M0.64%+$5.83M
Graham Corporation(GHM)103,556136,925+33,369$8.17M$16.95M0.63%+$8.78M
Bel Fuse IncCL B53,17047,856-5,314$10.53M$15.94M0.60%+$5.41M
On Holding AGNAMEN AKT A(ONON)202,444441,137+238,693$6.89M$15.63M0.59%+$8.74M
Amer Sports, Inc.(AS)357,826452,880+95,054$11.78M$15.33M0.57%+$3.55M
Cohu, Inc.(COHU)0206,120+206,120$0$15.23M0.57%+$15.23M
Jabil Inc.(JBL)77,19738,929-38,268$20.51M$15.01M0.56%-$5.50M
Adeia Inc.(ADEA)729,461443,060-286,401$17.53M$14.59M0.55%-$2.94M
Vicor Corporation(VICR)26,67038,081+11,411$4.29M$14.46M0.54%+$10.17M
Tenable Holdings, Inc.(TENB)0387,923+387,923$0$14.31M0.54%+$14.31M
GE HealthCare Technologies Inc.(GEHC)0222,393+222,393$0$14.24M0.53%+$14.24M
Crane NXT, Co.(CXT)0271,524+271,524$0$13.89M0.52%+$13.89M
Ranpak Holdings Corp.CL A(PACK)1,947,6811,894,855-52,826$6.95M$13.85M0.52%+$6.90M
Onto Innovation Inc.(ONTO)22,26336,503+14,240$4.57M$13.81M0.52%+$9.25M
GeneDx Holdings Corp.CL A(WGS)102,575200,315+97,740$6.59M$13.75M0.51%+$7.16M
Forrester Research, Inc.(FORR)1,541,2761,623,925+82,649$8.72M$13.66M0.51%+$4.93M
MarineMax, Inc.(HZO)0344,358+344,358$0$12.61M0.47%+$12.61M
Bio Rad Labs IncCL A14,17342,620+28,447$3.95M$12.51M0.47%+$8.56M
Quantum Corporation(QMCO)01,020,120+1,020,120$0$11.22M0.42%+$11.22M
Baidu IncADR366,42995,863-270,566$40.83M$10.96M0.41%-$29.87M
Ferrari N V
COM
029,079+29,079$0$10.83M0.41%+$10.83M
Digi International Inc.(DGII)170,256141,243-29,013$8.21M$10.59M0.40%+$2.38M
nLIGHT, Inc.(LASR)225,576151,867-73,709$12.86M$10.57M0.40%-$2.29M
Viavi Solutions Inc.(VIAV)145,844220,118+74,274$4.85M$10.51M0.39%+$5.66M
Boot Barn Hldgs Inc063,759+63,759$0$10.47M0.39%+$10.47M
LightPath Technologies, Inc.CL A(LPTH)1,040,462629,168-411,294$10.44M$10.29M0.39%-$148.9K
Frequency Electronics, Inc.(FEIM)150,141152,818+2,677$6.65M$10.14M0.38%+$3.49M
Halozyme Therapeutics, Inc.(HALO)0127,498+127,498$0$9.98M0.37%+$9.98M
Okeanis Eco Tankers CorSHS
SHS
538,860195,997-342,863$27.26M$9.82M0.37%-$17.44M
Ermenegildo Zegna N V
ORD SHS
710,626753,948+43,322$7.40M$9.82M0.37%+$2.41M
Sweetgreen, Inc.CL A(SG)01,029,016+1,029,016$0$9.07M0.34%+$9.07M
Tapestry, Inc.(TPR)17,03861,688+44,650$2.40M$9.03M0.34%+$6.63M
Solaris Energy Infrastructure, Inc.CL A(SEI)27,930107,401+79,471$1.58M$8.64M0.32%+$7.06M
A10 Networks Inc0226,920+226,920$0$8.48M0.32%+$8.48M
Ambarella, Inc.SHS(AMBA)108,74997,072-11,677$5.60M$8.33M0.31%+$2.73M
Tecnoglass Holdings Inc.(TGLS)0176,254+176,254$0$8.25M0.31%+$8.25M
Quanterix Corporation(QTRX)2,945,8231,899,308-1,046,515$10.37M$8.21M0.31%-$2.16M
Tecogen Inc.(TGEN)443,5551,551,113+1,107,558$1.14M$8.10M0.30%+$6.96M
HealthEquity, Inc.(HQY)101,64689,274-12,372$8.49M$8.06M0.30%-$431.3K
Tower Semiconductor Ltd.SHS NEW(TSEM)32,04330,557-1,486$5.62M$7.96M0.30%+$2.34M
Castle Biosciences, Inc.(CSTL)1,350,283328,818-1,021,465$33.15M$7.84M0.29%-$25.31M
Silicom Ltd.(SILC)0162,466+162,466$0$7.79M0.29%+$7.79M
Ciena Corporation(CIEN)18,46615,272-3,194$7.17M$7.49M0.28%+$322.8K
eBay Inc.(EBAY)126,09665,741-60,355$11.48M$7.35M0.28%-$4.13M
RB Global, Inc.(RBA)063,009+63,009$0$7.34M0.27%+$7.34M
Xometry, Inc.CL A(XMTR)073,163+73,163$0$7.06M0.26%+$7.06M
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Portolan Capital Management, LLC — 13F Holdings — Q2 2026 | TickerTrail