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Granahan Investment Management, LLC

Q1 2026 · 13F-HR

Granahan Investment Management, LLCholdings as filed

Filed 2026-05-15 · accession 0001398344-26-009220

$2.07B
Reported value
149
Positions
2026-03-31
Period end
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The Brief · Granahan Investment Management, LLC · Q1 2026

AI · grounded in 13F

Granahan Investment Management, LLC closed its position in ODD for a reduction of $61.2M. The fund established a new position in FPS worth $60.6M and added YSS with a new investment of $21.5M. Additionally, the manager increased its holdings in TTMI by 32.4% and MOD by 15.7%.

Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
144285103CRSCARPENTER TECHNOLOGY CORP$94.4M4.57%239,469CommonSOLE
733245104PRCHPORCH GROUP INC$90.9M4.40%12,674,987CommonSOLE
G3730V105FTAIFTAI AVIATION LTD$83.4M4.03%340,317CommonSOLE
607828100MODMODINE MFG CO$81.8M3.96%377,586CommonSOLE
92645B103VCTRVICTORY CAP HLDGS INC DEL$71.2M3.44%1,087,315CommonSOLE
45569U101INDIINDIE SEMICONDUCTOR INC$65.3M3.16%20,283,839CommonSOLE
34631F102FPSFORGENT POWER SOLUTIONS INC$60.6M2.93%2,071,084CommonSOLE
G5S37H101MRXMAREX GROUP PLC$54.6M2.64%1,223,750CommonSOLE
65290E101NXTNEXTPOWER INC$51.2M2.47%424,434CommonSOLE
501270102KRUSKURA SUSHI USA INC$42.4M2.05%607,917CommonSOLE
683344105ONTOONTO INNOVATION INC$40.7M1.97%198,694CommonSOLE
05464C101AXONAXON ENTERPRISE INC$38.5M1.86%90,692CommonSOLE
199908104FIXCOMFORT SYS USA INC$35.9M1.74%26,027CommonSOLE
M6372Q113KRNTKORNIT DIGITAL LTD$33.7M1.63%2,298,471CommonSOLE
53190C102LTHLIFE TIME GROUP HOLDINGS INC$32.3M1.56%1,200,483CommonSOLE
87305R109TTMITTM TECHNOLOGIES INC$31.9M1.54%327,434CommonSOLE
349381103FIGRFIGURE TECHNOLOGY SOLUTIO$31.8M1.54%935,400CommonSOLE
55955D100MGNIMAGNITE INC$30.3M1.47%2,553,413CommonSOLE
82846H405QXOQXO INC$29.3M1.42%1,509,546CommonSOLE
816850101SMTCSEMTECH CORP$28.5M1.38%370,642CommonSOLE
148929102CAVACAVA GROUP INC$24.6M1.19%303,891CommonSOLE
750917106RMBSRAMBUS INC DEL$24.1M1.17%280,246CommonSOLE
H8088L103SRADSPORTRADAR GROUP AG$24.1M1.17%1,439,659CommonSOLE
M2197Q107CLBTCELLEBRITE DI LTD$24.0M1.16%1,739,644CommonSOLE
G3934V109GENIGENIUS SPORTS LIMITED$23.9M1.15%5,383,762CommonSOLE
825704109SIBNSI BONE INC$22.0M1.06%1,739,097CommonSOLE
82706C108SIMOSILICON MOTION TECHNOLOGY CO$21.9M1.06%195,252CommonSOLE
987084100YSSYORK SPACE SYSTEMS INC$21.5M1.04%967,610CommonSOLE
75524B104RBCRBC BEARINGS INC$20.9M1.01%38,493CommonSOLE
576690101MTRNMATERION CORP$20.9M1.01%144,476CommonSOLE
25400W102APPSDIGITAL TURBINE INC$20.5M0.99%7,112,351CommonSOLE
147448104CWSTCASELLA WASTE SYS INC$19.9M0.96%250,262CommonSOLE
G39108108GTESGATES INDL CORP PLC$17.5M0.85%774,604CommonSOLE
M5216V106GLBEGLOBAL E ONLINE LTD$16.9M0.82%546,969CommonSOLE
04206A101ARLOARLO TECHNOLOGIES INC$16.6M0.80%1,169,490CommonSOLE
98956A105ZETAZETA GLOBAL HOLDINGS CORP$16.3M0.79%1,024,487CommonSOLE
88224Q107TCBITEXAS CAP BANCSHARES INC$16.3M0.79%171,367CommonSOLE
02361E108AMRCAMERESCO INC$16.1M0.78%630,073CommonSOLE
15643U104LEUCENTRUS ENERGY CORP$15.6M0.75%89,690CommonSOLE
68752L100KIDSORTHOPEDIATRICS CORP$14.2M0.69%896,741CommonSOLE
859241101STRLSTERLING INFRASTRUCTURE INC$14.0M0.68%34,332CommonSOLE
G8068L108SNSHARKNINJA INC$14.0M0.67%131,738CommonSOLE
20464U100COMPCOMPASS INC$13.8M0.67%1,885,312CommonSOLE
09062W204BLFSBIOLIFE SOLUTIONS INC$13.8M0.67%722,057CommonSOLE
01625V104ALHCALIGNMENT HEALTHCARE INC$13.8M0.67%780,500CommonSOLE
91532F102UMACUNUSUAL MACHS INC$12.6M0.61%1,016,454CommonSOLE
04302A104AIPARTERIS INC$11.7M0.57%713,077CommonSOLE
33748L101FWRGFIRST WATCH RESTAURANT GROUP$11.4M0.55%1,088,037CommonSOLE
23834J201DAVEDAVE INC$11.4M0.55%65,462CommonSOLE
450056106IRTCIRHYTHM HOLDINGS INC$11.3M0.55%96,022CommonSOLE
86150R107STOKSTOKE THERAPEUTICS INC$10.9M0.53%335,586CommonSOLE
92686J106VKTXVIKING THERAPEUTICS INC$10.8M0.52%332,192CommonSOLE
888787108TOSTTOAST INC$10.6M0.51%399,067CommonSOLE
65487K100LASRNLIGHT INC$10.6M0.51%185,271CommonSOLE
759916109RGENREPLIGEN CORP$10.2M0.50%86,953CommonSOLE
42226A107HQYHEALTHEQUITY INC$10.2M0.49%122,099CommonSOLE
15102K100CELCCELCUITY INC$10.1M0.49%88,833CommonSOLE
85914M107STEPSTEPSTONE GROUP INC$10.1M0.49%211,626CommonSOLE
G52694109KNSAKINIKSA PHARMACEUTICALS INTL$10.1M0.49%209,256CommonSOLE
913915104UTIUNIVERSAL TECHNICAL INST INC$8.8M0.42%242,393CommonSOLE
16935C109CHYMCHIME FINL INC$8.4M0.40%446,152CommonSOLE
71944F106PHRPHREESIA INC$8.3M0.40%987,607CommonSOLE
293594107ENVXENOVIX CORPORATION$8.2M0.40%1,589,586CommonSOLE
477839104JBTMJBT MAREL CORPORATION$8.1M0.39%63,212CommonSOLE
80706P103SRRKSCHOLAR ROCK HLDG CORP$7.7M0.37%156,314CommonSOLE
03945R102ACHRARCHER AVIATION INC$7.7M0.37%1,480,746CommonSOLE
10806X102BBIOBRIDGEBIO PHARMA INC$7.6M0.37%102,911CommonSOLE
532257805LPTHLIGHTPATH TECHNOLOGIES INC$7.6M0.37%753,621CommonSOLE
008073108AVAVAEROVIRONMENT INC$7.5M0.36%40,736CommonSOLE
87164F105SNDXSYNDAX PHARMACEUTICALS INC$7.2M0.35%306,321CommonSOLE
578605107MECMAYVILLE ENGR CO INC$7.0M0.34%387,470CommonSOLE
163086101CHEFCHEFS WHSE INC$6.8M0.33%114,599CommonSOLE
01749D105ALGMALLEGRO MICROSYSTEMS INC$6.8M0.33%215,001CommonSOLE
76243J105RYTMRHYTHM PHARMACEUTICALS INC$6.8M0.33%77,709CommonSOLE
45257U108IMNMIMMUNOME INC$6.7M0.32%307,021CommonSOLE
553368101MPMP MATERIALS CORP$6.7M0.32%138,658CommonSOLE
535219109LINDLINDBLAD EXPEDITIONS HLDGS I$6.7M0.32%385,383CommonSOLE
922417100VECOVEECO INSTRS INC DEL$6.5M0.32%192,731CommonSOLE
971378104WSCWILLSCOT HLDGS CORP$6.5M0.32%375,784CommonSOLE
22160N109CSGPCOSTAR GROUP INC$6.5M0.31%161,047CommonSOLE
29765A101LIFEETHOS TECHNOLOGIES INC$6.5M0.31%580,595CommonSOLE
086921103BETABETA TECHNOLOGIES INC$6.3M0.31%431,958CommonSOLE
28036F105EWTXEDGEWISE THERAPEUTICS INC$6.3M0.31%200,843CommonSOLE
03770N101APGEAPOGEE THERAPEUTICS INC$6.3M0.31%75,086CommonSOLE
98985Y108ZYMEZYMEWORKS INC$6.3M0.30%250,773CommonSOLE
81663L200WGSGENEDX HOLDINGS CORP$6.2M0.30%96,605CommonSOLE
M6191J100FROGJFROG LTD$6.1M0.30%130,103CommonSOLE
69120X206OWLTOWLET INC$6.1M0.30%1,186,655CommonSOLE
98420N105XENEXENON PHARMACEUTICALS INC$6.1M0.29%104,478CommonSOLE
45258J102IMVTIMMUNOVANT INC$6.1M0.29%244,430CommonSOLE
19239V302CCOICOGENT COMM HOLDINGS INC$6.0M0.29%317,447CommonSOLE
67059N108NTNXNUTANIX INC$5.9M0.29%156,318CommonSOLE
131193104CALYCALLAWAY GOLF CO$5.9M0.28%422,920CommonSOLE
518415104LSCCLATTICE SEMICONDUCTOR CORP$5.8M0.28%63,054CommonSOLE
750491102RDNTRADNET INC$5.8M0.28%104,282CommonSOLE
651718504NPKINPK INTERNATIONAL INC$5.8M0.28%401,658CommonSOLE
49714P108KNSLKINSALE CAP GROUP INC$5.6M0.27%16,516CommonSOLE
125141101CECOCECO ENVIRONMENTAL CORP$5.5M0.27%92,728CommonSOLE
G3323L100FNFABRINET$5.4M0.26%10,431CommonSOLE
98422E103XERSXERIS BIOPHARMA HOLDINGS INC$5.3M0.26%921,854CommonSOLE
615111101ONTMONTROSE ENVIRONMENTAL GROUP$5.3M0.26%241,787CommonSOLE
G25457105CRDOCREDO TECHNOLOGY GROUP HOLDI$5.3M0.25%56,099CommonSOLE
M87915274TSEMTOWER SEMICONDUCTOR LTD$5.2M0.25%29,902CommonSOLE
099406100BOOTBOOT BARN HLDGS INC$5.2M0.25%35,455CommonSOLE
53220K504LGNDLIGAND PHARMACEUTICALS INC$4.8M0.23%24,165CommonSOLE
23282W605CYTKCYTOKINETICS INC$4.8M0.23%72,464CommonSOLE
76655K103RGTIRIGETTI COMPUTING INC$4.6M0.22%326,721CommonSOLE
670703107NUVLNUVALENT INC$4.4M0.21%43,003CommonSOLE
221006109CRVLCORVEL CORP$4.4M0.21%79,896CommonSOLE
65443P102MASS908 DEVICES INC$4.3M0.21%695,070CommonSOLE
46222L108IONQIONQ INC$4.2M0.20%146,012CommonSOLE
76155X100RVMDREVOLUTION MEDICINES INC$4.1M0.20%42,573CommonSOLE
61559X104MLTXMOONLAKE IMMUNOTHERAPEUTICS$4.1M0.20%220,600CommonSOLE
21874A106CORZCORE SCIENTIFIC INC NEW$4.1M0.20%272,622CommonSOLE
01644J108ALKTALKAMI TECHNOLOGY INC$4.0M0.19%252,868CommonSOLE
249906108DSGXDESCARTES SYS GROUP INC$4.0M0.19%55,253CommonSOLE
877619106TSHATAYSHA GENE THERAPIES INC$3.9M0.19%883,241CommonSOLE
834203309SLNOSOLENO THERAPEUTICS INC$3.8M0.19%114,825CommonSOLE
30233G209EYPTEYEPOINT INC$3.8M0.19%297,108CommonSOLE
032724106ANABANAPTYSBIO INC$3.7M0.18%66,182CommonSOLE
775133101ROGROGERS CORP$3.5M0.17%32,869CommonSOLE
M7516K103NVMINOVA LTD$3.5M0.17%7,985CommonSOLE
14154A102CDNLCARDINAL INFRASTRUCTURE GROU$3.3M0.16%82,464CommonSOLE
679295105OKTAOKTA INC$3.2M0.16%40,843CommonSOLE
925550105VIAVVIAVI SOLUTIONS INC$3.2M0.15%95,761CommonSOLE
64119N608NTSKNETSKOPE INC$3.1M0.15%367,578CommonSOLE
05605H100BWXTBWX TECHNOLOGIES INC$3.0M0.15%14,704CommonSOLE
25402D102DOCNDIGITALOCEAN HLDGS INC$2.9M0.14%33,699CommonSOLE
74366E102PTGXPROTAGONIST THERAPEUTICS INC$2.9M0.14%27,391CommonSOLE
00847J105AGYSAGILYSYS INC$2.7M0.13%37,500CommonSOLE
368736104GNRCGENERAC HLDGS INC$2.6M0.12%13,213CommonSOLE
384747101GRALGRAIL INC$2.6M0.12%49,628CommonSOLE
08659B102BBNXBETA BIONICS INC$2.5M0.12%248,449CommonSOLE
640491106NEOGNEOGEN CORP$2.3M0.11%250,026CommonSOLE
107924102BBOTBRIDGEBIO ONCOLOGY THERAPEUT$2.1M0.10%231,040CommonSOLE
302081104EXLSEXLSERVICE HLDGS INC$1.9M0.09%63,086CommonSOLE
229050307CYRXCRYOPORT INC$1.9M0.09%231,138CommonSOLE
911549103UAMYUNITED STATES ANTIMONY CORP$1.9M0.09%218,184CommonSOLE
93403J106WRBYWARBY PARKER INC$1.7M0.08%81,924CommonSOLE
28617B606ELVAELECTROVAYA INC$1.6M0.08%200,195CommonSOLE
87043Q108SGSWEETGREEN INC$1.5M0.07%283,646CommonSOLE
75644T100RCATRED CAT HLDGS INC$1.4M0.07%109,603CommonSOLE
114340102AZTAAZENTA INC$866,2450.04%40,996CommonSOLE
157210105CEVACEVA INC$565,2570.03%30,260CommonSOLE
46266A109IRMDIRADIMED CORP$471,6740.02%4,900CommonSOLE
893529107TRNSTRANSCAT INC$436,3660.02%5,941CommonSOLE
00486H105ADTNADTRAN HOLDINGS INC$387,2380.02%30,782CommonSOLE
86887Q109SSSSSURO CAPITAL CORP$230,7900.01%21,549CommonSOLE
87876P201TGENTECOGEN INC NEW$226,5500.01%88,496CommonSOLE

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.