Granahan Investment Management
Latest statistics and disclosures from Granahan Investment Management's latest quarterly 13F-HR filing:
- Top 5 stock holdings are PRCH, SIMO, FPS, INDI, VCTR, and represent 21.68% of Granahan Investment Management's stock portfolio.
- Added to shares of these 10 stocks: SIMO (+$84M), LGND (+$39M), RGEN (+$34M), TWST (+$32M), GNRC (+$32M), Quantinuum Cl A Ord (+$19M), GRAL (+$19M), CWST (+$18M), DSGX (+$17M), FROG (+$15M).
- Started 22 new stock positions in LMRI, FOUR, SPIR, Quantinuum Cl A Ord, SILC, TWST, SRTA, EVLV, MAMA, DYN. KRMN, TRAX, ENPH, GRBK, ATEX, FRPT, AEIS, SYRE, TRVG, Arxis, GWRE, ORKA.
- Reduced shares in these 10 stocks: CRS (-$88M), APPS (-$47M), FIX (-$36M), MOD (-$30M), SMTC (-$29M), RMBS (-$28M), AIP (-$27M), SRAD (-$24M), MTRN (-$22M), ONTO (-$22M).
- Sold out of its positions in AZTA, FIX, COMP, CSGP, LIFE, IONQ, NEOG, NUVL, PHR, RCAT. RVMD, WGS, SMTC, Soleno Therapeutics, STEP, STRL, TGEN, CRDO, FN, SRAD, TSEM.
- Granahan Investment Management was a net seller of stock by $-46M.
- Granahan Investment Management has $2.8B in assets under management (AUM), dropping by 35.75%.
- Central Index Key (CIK): 0001026710
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Portfolio Holdings for Granahan Investment Management
Granahan Investment Management holds 150 positions in its portfolio as reported in the June 2026 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price | |
|---|---|---|---|---|---|---|
| Porch Group (PRCH) | 6.6 | $186M | -2% | 12M | 15.04 |
|
| Silicon Motion Technology Sponsored Adr (SIMO) | 5.3 | $149M | +128% | 446k | 333.33 |
|
| Forgent Power Solutions Com Shs Cl A (FPS) | 3.6 | $101M | -12% | 1.8M | 55.86 |
|
| Indie Semiconductor Class A Com (INDI) | 3.1 | $87M | -4% | 19M | 4.49 |
|
| Victory Cap Hldgs Inc Del Com Cl A (VCTR) | 3.0 | $85M | -6% | 1.0M | 84.06 |
|
| Ftai Aviation SHS (FTAI) | 2.8 | $80M | -13% | 294k | 270.53 |
|
| Marex Group Ord (MRX) | 2.7 | $76M | +2% | 1.3M | 60.95 |
|
| Modine Manufacturing (MOD) | 2.5 | $70M | -30% | 264k | 267.02 |
|
| Carpenter Technology Corporation (CRS) | 2.1 | $60M | -59% | 97k | 616.84 |
|
| Nextpower Class A Com (NXT) | 2.1 | $59M | +16% | 496k | 119.14 |
|
| Magnite Ord (MGNI) | 2.1 | $59M | +20% | 3.1M | 18.98 |
|
| Axon Enterprise (AXON) | 1.9 | $54M | +6% | 97k | 560.61 |
|
| Onto Innovation (ONTO) | 1.9 | $54M | -28% | 142k | 378.45 |
|
| TTM Technologies (TTMI) | 1.8 | $50M | -17% | 269k | 187.02 |
|
| Ligand Pharmaceuticals Com New (LGND) | 1.7 | $47M | +509% | 147k | 316.09 |
|
| Kura Sushi Usa Cl A Com (KRUS) | 1.6 | $46M | +31% | 802k | 57.56 |
|
| Repligen Corporation (RGEN) | 1.6 | $45M | +282% | 332k | 136.44 |
|
| Digital Turbine Com New (APPS) | 1.6 | $45M | -50% | 3.5M | 12.90 |
|
| Life Time Group Holdings Common Stock (LTH) | 1.6 | $44M | -9% | 1.1M | 40.84 |
|
| Genius Sports Shares Cl A (GENI) | 1.5 | $43M | +30% | 7.0M | 6.06 |
|
| Casella Waste Sys Cl A (CWST) | 1.5 | $42M | +74% | 436k | 96.97 |
|
| Qxo Com New (QXO) | 1.4 | $40M | +54% | 2.3M | 17.28 |
|
| Generac Holdings (GNRC) | 1.3 | $36M | +829% | 123k | 292.81 |
|
| Zeta Global Holdings Corp Cl A (ZETA) | 1.2 | $35M | +71% | 1.8M | 19.68 |
|
| Kornit Digital SHS (KRNT) | 1.2 | $34M | -7% | 2.1M | 16.25 |
|
| Twist Bioscience Corp (TWST) | 1.2 | $32M | NEW | 315k | 102.88 |
|
| Dave Class A Com New (DAVE) | 1.1 | $32M | +29% | 85k | 372.59 |
|
| Si-bone (SIBN) | 1.1 | $32M | +11% | 1.9M | 16.32 |
|
| Jfrog Ord Shs (FROG) | 1.0 | $27M | +130% | 300k | 90.88 |
|
| Figure Technology Solutio Com Cl A (FIGR) | 0.9 | $26M | -9% | 842k | 30.71 |
|
| Cellebrite Di Ordinary Shares (CLBT) | 0.9 | $24M | -4% | 1.7M | 14.60 |
|
| Gates Indl Corp Ord Shs (GTES) | 0.8 | $24M | +8% | 843k | 27.97 |
|
| Global E Online SHS (GLBE) | 0.8 | $22M | +15% | 633k | 34.73 |
|
| Grail (GRAL) | 0.8 | $22M | +547% | 321k | 68.27 |
|
| RBC Bearings Incorporated (RBC) | 0.8 | $22M | -11% | 34k | 644.06 |
|
| Cava Group Ord (CAVA) | 0.7 | $21M | -12% | 265k | 78.48 |
|
| Orthopediatrics Corp. (KIDS) | 0.7 | $21M | +21% | 1.1M | 19.13 |
|
| Materion Corporation (MTRN) | 0.7 | $21M | -51% | 70k | 297.39 |
|
| Descartes Sys Grp (DSGX) | 0.7 | $21M | +437% | 297k | 69.24 |
|
| Quantinuum Cl A Com | 0.7 | $19M | NEW | 234k | 81.74 |
|
| Toast Cl A (TOST) | 0.7 | $19M | +71% | 686k | 27.82 |
|
| Texas Capital Bancshares (TCBI) | 0.7 | $19M | +7% | 184k | 103.26 |
|
| Sharkninja Com Shs (SN) | 0.7 | $19M | -5% | 124k | 152.27 |
|
| Celcuity (CELC) | 0.7 | $19M | +101% | 179k | 104.62 |
|
| Unusual Machs Com Shs (UMAC) | 0.7 | $19M | -18% | 829k | 22.30 |
|
| First Watch Restaurant Groupco (FWRG) | 0.6 | $18M | +25% | 1.4M | 12.89 |
|
| Nutanix Cl A (NTNX) | 0.6 | $17M | +115% | 337k | 50.96 |
|
| Nlight (LASR) | 0.6 | $17M | +27% | 237k | 69.62 |
|
| Veeco Instruments (VECO) | 0.6 | $16M | +6% | 205k | 75.80 |
|
| Stoke Therapeutics (STOK) | 0.5 | $15M | +37% | 462k | 32.72 |
|
| Biolife Solutions Com New (BLFS) | 0.5 | $15M | -27% | 521k | 28.24 |
|
| AeroVironment (AVAV) | 0.5 | $14M | +113% | 87k | 165.07 |
|
| Arlo Technologies (ARLO) | 0.5 | $14M | -12% | 1.0M | 13.48 |
|
| Allegro Microsystems Ord (ALGM) | 0.5 | $13M | -13% | 186k | 69.62 |
|
| Mayville Engineering (MEC) | 0.4 | $12M | -16% | 324k | 37.46 |
|
| Chime Finl Com Shs Cl A (CHYM) | 0.4 | $12M | +30% | 583k | 20.48 |
|
| York Space Systems (YSS) | 0.4 | $12M | -51% | 468k | 24.62 |
|
| Alkami Technology (ALKT) | 0.4 | $11M | +148% | 628k | 18.12 |
|
| Arxis Cl A Com | 0.4 | $11M | NEW | 241k | 46.14 |
|
| Digitalocean Hldgs (DOCN) | 0.4 | $11M | +108% | 70k | 157.03 |
|
| RadNet (RDNT) | 0.4 | $11M | +64% | 172k | 61.67 |
|
| John Bean Technologies Corporation (JBTM) | 0.4 | $11M | +14% | 72k | 145.00 |
|
| Irhythm Technologies (IRTC) | 0.4 | $10M | -12% | 84k | 118.95 |
|
| Agilysys (AGYS) | 0.4 | $9.9M | +152% | 95k | 104.50 |
|
| Syndax Pharmaceuticals (SNDX) | 0.3 | $9.8M | +45% | 447k | 21.86 |
|
| Kiniksa Pharmaceuticals Intl Ord Shs Cl A (KNSA) | 0.3 | $9.7M | -27% | 152k | 63.95 |
|
| Willscot Hldgs Corp Com Cl A (WSC) | 0.3 | $9.7M | -10% | 336k | 28.86 |
|
| Okta Cl A (OKTA) | 0.3 | $9.3M | +67% | 68k | 136.45 |
|
| Rhythm Pharmaceuticals (RYTM) | 0.3 | $9.2M | +7% | 83k | 111.03 |
|
| Lightpath Technologies Com Cl A (LPTH) | 0.3 | $9.2M | -25% | 563k | 16.35 |
|
| Owlet Cl A New (OWLT) | 0.3 | $9.2M | +34% | 1.6M | 5.74 |
|
| Scholar Rock Hldg Corp (SRRK) | 0.3 | $9.0M | +4% | 164k | 55.00 |
|
| Chefs Whse (CHEF) | 0.3 | $9.0M | -18% | 93k | 96.10 |
|
| Taysha Gene Therapies Com Shs (TSHA) | 0.3 | $8.9M | +47% | 1.3M | 6.81 |
|
| Lattice Semiconductor (LSCC) | 0.3 | $8.8M | -8% | 58k | 152.96 |
|
| Rambus (RMBS) | 0.3 | $8.8M | -76% | 66k | 132.74 |
|
| Healthequity (HQY) | 0.3 | $8.8M | -20% | 97k | 90.32 |
|
| Zymeworks Del (ZYME) | 0.3 | $8.8M | +34% | 336k | 26.14 |
|
| CECO Environmental (CECO) | 0.3 | $8.6M | +2% | 95k | 90.74 |
|
| Alignment Healthcare (ALHC) | 0.3 | $8.5M | -54% | 355k | 23.81 |
|
| Mp Materials Corp Com Cl A (MP) | 0.3 | $8.3M | +7% | 149k | 56.01 |
|
| Immunome (IMNM) | 0.3 | $8.0M | +23% | 379k | 21.19 |
|
| Immunovant (IMVT) | 0.3 | $8.0M | -15% | 206k | 38.53 |
|
| Edgewise Therapeutics (EWTX) | 0.3 | $7.9M | -3% | 194k | 40.63 |
|
| Xenon Pharmaceuticals (XENE) | 0.3 | $7.8M | +23% | 129k | 60.36 |
|
| Arteris (AIP) | 0.3 | $7.8M | -77% | 160k | 48.59 |
|
| Rigetti Computing Common Stock (RGTI) | 0.3 | $7.6M | +20% | 395k | 19.32 |
|
| Dyne Therapeutics (DYN) | 0.3 | $7.5M | NEW | 339k | 22.21 |
|
| Anterix Inc. Atex (ATEX) | 0.3 | $7.4M | NEW | 72k | 102.94 |
|
| Bridgebio Pharma (BBIO) | 0.3 | $7.4M | -3% | 99k | 74.48 |
|
| Spyre Therapeutics Com New (SYRE) | 0.3 | $7.4M | NEW | 83k | 88.78 |
|
| Guidewire Software (GWRE) | 0.3 | $7.2M | NEW | 59k | 123.05 |
|
| Karman Hldgs Common Stock (KRMN) | 0.3 | $7.2M | NEW | 145k | 49.92 |
|
| Evolv Technologies Hldngs In Com Cl A (EVLV) | 0.3 | $7.2M | NEW | 1.2M | 5.80 |
|
| Iradimed (IRMD) | 0.3 | $7.2M | +1429% | 75k | 95.56 |
|
| Xeris Pharmaceuticals (XERS) | 0.3 | $7.1M | -2% | 899k | 7.92 |
|
| Beta Technologies Com Shs Cl A (BETA) | 0.3 | $7.1M | -2% | 423k | 16.75 |
|
| Netskope Cl A (NTSK) | 0.2 | $6.6M | +65% | 607k | 10.94 |
|
| CorVel Corporation (CRVL) | 0.2 | $6.6M | +32% | 106k | 62.52 |
|
| Callaway Golf Company (CALY) | 0.2 | $6.4M | -19% | 342k | 18.79 |
|
| Shift4 Pmts Cl A (FOUR) | 0.2 | $6.4M | NEW | 132k | 48.64 |
|
| Cryoport Com Par $0.001 (CYRX) | 0.2 | $6.3M | +74% | 404k | 15.70 |
|
| Moonlake Immunotherapeutics Class A Ord (MLTX) | 0.2 | $6.1M | +42% | 314k | 19.47 |
|
| Protagonist Therapeutics (PTGX) | 0.2 | $6.1M | +81% | 50k | 122.58 |
|
| 908 Devices (MASS) | 0.2 | $6.0M | 692k | 8.70 |
|
|
| Green Brick Partners (GRBK) | 0.2 | $6.0M | NEW | 75k | 80.04 |
|
| Kinsale Cap Group (KNSL) | 0.2 | $5.9M | +8% | 18k | 329.81 |
|
| Mamamancini's Holdings (MAMA) | 0.2 | $5.9M | NEW | 330k | 17.85 |
|
| Viking Therapeutics (VKTX) | 0.2 | $5.8M | -55% | 148k | 39.01 |
|
| Advanced Energy Industries (AEIS) | 0.2 | $5.7M | NEW | 15k | 372.87 |
|
| Core Scientific (CORZ) | 0.2 | $5.3M | -23% | 209k | 25.59 |
|
| Montrose Environmental Group (ONT) | 0.2 | $5.2M | +7% | 260k | 20.21 |
|
| Anaptysbio Inc Common (ANAB) | 0.2 | $5.1M | +14% | 76k | 67.50 |
|
| NOVA MEASURING Instruments L (NVMI) | 0.2 | $4.9M | +13% | 9.1k | 542.94 |
|
| Sweetgreen Com Cl A (SG) | 0.2 | $4.9M | +97% | 560k | 8.81 |
|
| Lindblad Expeditions Hldgs I (LIND) | 0.2 | $4.9M | -54% | 174k | 28.24 |
|
| Oruka Therapeutics (ORKA) | 0.2 | $4.9M | NEW | 51k | 95.17 |
|
| First Tracks Biotherapeutics Ord Shs (TRAX) | 0.2 | $4.8M | NEW | 238k | 20.12 |
|
| Beta Bionics (BBNX) | 0.2 | $4.7M | +20% | 300k | 15.67 |
|
| Cardinal Infrastructure Grou Cl A (CDNL) | 0.2 | $4.5M | -41% | 48k | 94.20 |
|
| ExlService Holdings (EXLS) | 0.2 | $4.5M | +175% | 174k | 25.86 |
|
| Apogee Therapeutics (APGE) | 0.2 | $4.5M | -54% | 34k | 132.73 |
|
| Bridgebio Oncology Therapeut Com New (BBOT) | 0.2 | $4.3M | +141% | 559k | 7.62 |
|
| Cogent Comm Holdings Com New (CCOI) | 0.1 | $4.2M | -4% | 303k | 13.88 |
|
| Freshpet (FRPT) | 0.1 | $3.7M | NEW | 63k | 59.12 |
|
| Bwx Technologies (BWXT) | 0.1 | $3.7M | +29% | 19k | 194.65 |
|
| Npk International Com Shs (NPKI) | 0.1 | $3.5M | -44% | 221k | 15.91 |
|
| Cytokinetics Com New (CYTK) | 0.1 | $3.4M | -44% | 40k | 85.19 |
|
| Silicom Ord (SILC) | 0.1 | $3.3M | NEW | 69k | 47.94 |
|
| Viavi Solutions Inc equities (VIAV) | 0.1 | $3.1M | -31% | 66k | 47.75 |
|
| Lumexa Imaging Holdings (LMRI) | 0.1 | $3.0M | NEW | 263k | 11.28 |
|
| Spire Global Com Cl A New (SPIR) | 0.1 | $3.0M | NEW | 159k | 18.60 |
|
| Rogers Corporation (ROG) | 0.1 | $2.8M | -47% | 17k | 163.73 |
|
| Strata Critical Medical Cl A Com (SRTA) | 0.1 | $2.7M | NEW | 503k | 5.27 |
|
| Warby Parker Cl A Com (WRBY) | 0.1 | $2.7M | +6% | 87k | 30.34 |
|
| 4068594 Enphase Energy (ENPH) | 0.1 | $2.6M | NEW | 54k | 49.24 |
|
| Boot Barn Hldgs (BOOT) | 0.1 | $2.2M | -62% | 13k | 164.27 |
|
| Eyepoint Com New (EYPT) | 0.1 | $2.1M | -49% | 149k | 14.30 |
|
| Trivago N V Spon Ads A Shs N (TRVG) | 0.1 | $2.0M | NEW | 363k | 5.47 |
|
| United States Antimony (UAMY) | 0.1 | $1.7M | +5% | 230k | 7.26 |
|
| Centrus Energy Corp Cl A (LEU) | 0.1 | $1.5M | -90% | 8.9k | 167.87 |
|
| Archer Aviation Com Cl A (ACHR) | 0.0 | $1.1M | -84% | 226k | 4.73 |
|
| Transcat (TRNS) | 0.0 | $693k | +25% | 7.5k | 92.77 |
|
| Ameresco Cl A (AMRC) | 0.0 | $652k | -96% | 24k | 27.60 |
|
| Adtran Holdings (ADTN) | 0.0 | $622k | +45% | 45k | 13.90 |
|
| Electrovaya Com New (ELVA) | 0.0 | $496k | -76% | 47k | 10.50 |
|
| Enovix Corp (ENVX) | 0.0 | $485k | -94% | 80k | 6.07 |
|
| Universal Technical Institute (UTI) | 0.0 | $373k | -96% | 8.7k | 42.77 |
|
| Ceva (CEVA) | 0.0 | $329k | -76% | 7.0k | 47.16 |
|
| Suro Capital Corp Com New | 0.0 | $270k | 22k | 12.54 |
|
Past Filings by Granahan Investment Management
SEC 13F filings are viewable for Granahan Investment Management going back to 2011
- Granahan Investment Management 2026 Q2 filed Aug. 14, 2026
- Granahan Investment Management 2026 Q1 filed May 15, 2026
- Granahan Investment Management 2025 Q4 filed Feb. 17, 2026
- Granahan Investment Management 2025 Q3 filed Nov. 14, 2025
- Granahan Investment Management 2025 Q2 filed Aug. 14, 2025
- Granahan Investment Management 2025 Q1 filed May 15, 2025
- Granahan Investment Management 2024 Q4 filed Feb. 14, 2025
- Granahan Investment Management 2024 Q3 filed Nov. 14, 2024
- Granahan Investment Management 2024 Q2 filed Aug. 14, 2024
- Granahan Investment Management 2024 Q1 filed May 15, 2024
- Granahan Investment Management 2023 Q3 filed Nov. 14, 2023
- Granahan Investment Management 2023 Q2 filed Aug. 14, 2023
- Granahan Investment Management 2023 Q1 filed May 15, 2023
- Granahan Investment Management 2022 Q4 filed Feb. 14, 2023
- Granahan Investment Management 2022 Q3 filed Nov. 14, 2022
- Granahan Investment Management 2022 Q2 filed Aug. 15, 2022