# Granahan Investment Management, LLC

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 1026710. Source: https://holderbook.com/funds/1026710-granahan-investment-management-llc/

- Reported value: $2.8B
- Positions: 150
- Weight of the ten largest: 34.0%
- Filed: 2026-08-14

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| PORCH GROUP INC | [PRCH](https://holderbook.com/stocks/PRCH/) | $186.4M | 12,393,660 | 6.6% | 23 |
| SILICON MOTION TECHNOLOGY CO | [SIMO](https://holderbook.com/stocks/SIMO/) | $148.6M | 445,752 | 5.3% | 5 |
| FORGENT POWER SOLUTIONS INC | [FPS](https://holderbook.com/stocks/FPS/) | $101.0M | 1,807,608 | 3.6% | 2 |
| INDIE SEMICONDUCTOR INC | [INDI](https://holderbook.com/stocks/INDI/) | $87.2M | 19,419,892 | 3.1% | 16 |
| VICTORY CAP HLDGS INC DEL | [VCTR](https://holderbook.com/stocks/VCTR/) | $85.3M | 1,015,343 | 3.0% | 31 |
| FTAI AVIATION LTD | [FTAI](https://holderbook.com/stocks/FTAI/) | $79.5M | 293,722 | 2.8% | 7 |
| MAREX GROUP PLC | [MRX](https://holderbook.com/stocks/MRX/) | $76.4M | 1,254,283 | 2.7% | 9 |
| MODINE MFG CO | [MOD](https://holderbook.com/stocks/MOD/) | $70.4M | 263,572 | 2.5% | 11 |
| CARPENTER TECHNOLOGY CORP | [CRS](https://holderbook.com/stocks/CRS/) | $59.8M | 96,981 | 2.1% | 10 |
| NEXTPOWER INC | [NXT](https://holderbook.com/stocks/NXT/) | $59.1M | 495,938 | 2.1% | 8 |
| MAGNITE INC | [MGNI](https://holderbook.com/stocks/MGNI/) | $58.5M | 3,083,211 | 2.1% | 25 |
| AXON ENTERPRISE INC | [AXON](https://holderbook.com/stocks/AXON/) | $54.3M | 96,829 | 1.9% | 31 |
| ONTO INNOVATION INC | [ONTO](https://holderbook.com/stocks/ONTO/) | $53.6M | 141,568 | 1.9% | 27 |
| TTM TECHNOLOGIES INC | [TTMI](https://holderbook.com/stocks/TTMI/) | $50.4M | 269,330 | 1.8% | 3 |
| LIGAND PHARMACEUTICALS INC | [LGND](https://holderbook.com/stocks/LGND/) | $46.5M | 147,231 | 1.7% | 4 |
| KURA SUSHI USA INC | [KRUS](https://holderbook.com/stocks/KRUS/) | $46.2M | 801,969 | 1.6% | 9 |
| REPLIGEN CORP | [RGEN](https://holderbook.com/stocks/RGEN/) | $45.3M | 332,271 | 1.6% | 8 |
| DIGITAL TURBINE INC | [APPS](https://holderbook.com/stocks/APPS/) | $45.1M | 3,494,200 | 1.6% | 6 |
| LIFE TIME GROUP HOLDINGS INC | [LTH](https://holderbook.com/stocks/LTH/) | $44.3M | 1,083,587 | 1.6% | 13 |
| GENIUS SPORTS LIMITED | [GENI](https://holderbook.com/stocks/GENI/) | $42.6M | 7,024,330 | 1.5% | 21 |
| CASELLA WASTE SYS INC | [CWST](https://holderbook.com/stocks/CWST/) | $42.3M | 436,289 | 1.5% | 31 |
| QXO INC | [QXO](https://holderbook.com/stocks/QXO/) | $40.2M | 2,327,662 | 1.4% | 8 |
| GENERAC HLDGS INC | [GNRC](https://holderbook.com/stocks/GNRC/) | $36.0M | 122,872 | 1.3% | 2 |
| ZETA GLOBAL HOLDINGS CORP | [ZETA](https://holderbook.com/stocks/ZETA/) | $34.6M | 1,758,212 | 1.2% | 21 |
| KORNIT DIGITAL LTD | [KRNT](https://holderbook.com/stocks/KRNT/) | $34.4M | 2,119,398 | 1.2% | 31 |
| TWIST BIOSCIENCE CORP | [TWST](https://holderbook.com/stocks/TWST/) | $32.4M | 314,882 | 1.2% | 1 |
| DAVE INC | [DAVE](https://holderbook.com/stocks/DAVE/) | $31.6M | 84,897 | 1.1% | 4 |
| SI-BONE INC | [SIBN](https://holderbook.com/stocks/SIBN/) | $31.5M | 1,931,182 | 1.1% | 23 |
| JFROG LTD | [FROG](https://holderbook.com/stocks/FROG/) | $27.2M | 299,683 | 1.0% | 13 |
| FIGURE TECHNOLOGY SOLUTIO | [FIGR](https://holderbook.com/stocks/FIGR/) | $25.9M | 842,306 | 0.9% | 4 |
| CELLEBRITE DI LTD | [CLBT](https://holderbook.com/stocks/CLBT/) | $24.3M | 1,661,163 | 0.9% | 10 |
| GATES INDL CORP PLC | [GTES](https://holderbook.com/stocks/GTES/) | $23.6M | 843,441 | 0.8% | 9 |
| GLOBAL E ONLINE LTD | [GLBE](https://holderbook.com/stocks/GLBE/) | $22.0M | 633,327 | 0.8% | 5 |
| GRAIL INC | [GRAL](https://holderbook.com/stocks/GRAL/) | $21.9M | 321,176 | 0.8% | 3 |
| RBC BEARINGS INC | [RBC](https://holderbook.com/stocks/RBC/) | $21.9M | 34,017 | 0.8% | 31 |
| CAVA GROUP INC | [CAVA](https://holderbook.com/stocks/CAVA/) | $20.8M | 265,411 | 0.7% | 3 |
| ORTHOPEDIATRICS CORP | [KIDS](https://holderbook.com/stocks/KIDS/) | $20.8M | 1,085,964 | 0.7% | 30 |
| MATERION CORP | [MTRN](https://holderbook.com/stocks/MTRN/) | $20.8M | 69,793 | 0.7% | 30 |
| DESCARTES SYS GROUP INC | [DSGX](https://holderbook.com/stocks/DSGX/) | $20.6M | 297,257 | 0.7% | 12 |
| QUANTINUUM INC | [QNT](https://holderbook.com/stocks/QNT/) | $19.1M | 233,540 | 0.7% | 1 |
| TOAST INC | [TOST](https://holderbook.com/stocks/TOST/) | $19.1M | 685,751 | 0.7% | 17 |
| TEXAS CAP BANCSHARES INC | [TCBI](https://holderbook.com/stocks/TCBI/) | $19.0M | 184,087 | 0.7% | 31 |
| SHARKNINJA INC | [SN](https://holderbook.com/stocks/SN/) | $18.9M | 124,271 | 0.7% | 9 |
| CELCUITY INC | [CELC](https://holderbook.com/stocks/CELC/) | $18.7M | 179,053 | 0.7% | 4 |
| UNUSUAL MACHS INC | [UMAC](https://holderbook.com/stocks/UMAC/) | $18.5M | 829,328 | 0.7% | 3 |
| FIRST WATCH RESTAURANT GROUP | [FWRG](https://holderbook.com/stocks/FWRG/) | $17.6M | 1,363,852 | 0.6% | 19 |
| NUTANIX INC | [NTNX](https://holderbook.com/stocks/NTNX/) | $17.2M | 336,852 | 0.6% | 31 |
| NLIGHT INC | [LASR](https://holderbook.com/stocks/LASR/) | $16.5M | 236,991 | 0.6% | 2 |
| VEECO INSTRS INC DEL | [VECO](https://holderbook.com/stocks/VECO/) | $15.5M | 204,837 | 0.6% | 21 |
| STOKE THERAPEUTICS INC | [STOK](https://holderbook.com/stocks/STOK/) | $15.1M | 461,608 | 0.5% | 17 |
| BIOLIFE SOLUTIONS INC | [BLFS](https://holderbook.com/stocks/BLFS/) | $14.7M | 521,430 | 0.5% | 31 |
| AEROVIRONMENT INC | [AVAV](https://holderbook.com/stocks/AVAV/) | $14.3M | 86,783 | 0.5% | 2 |
| ARLO TECHNOLOGIES INC | [ARLO](https://holderbook.com/stocks/ARLO/) | $13.8M | 1,025,050 | 0.5% | 4 |
| ALLEGRO MICROSYSTEMS INC | [ALGM](https://holderbook.com/stocks/ALGM/) | $12.9M | 185,461 | 0.5% | 3 |
| MAYVILLE ENGR CO INC | [MEC](https://holderbook.com/stocks/MEC/) | $12.1M | 324,108 | 0.4% | 12 |
| CHIME FINL INC | [CHYM](https://holderbook.com/stocks/CHYM/) | $11.9M | 583,381 | 0.4% | 3 |
| YORK SPACE SYSTEMS INC | [YSS](https://holderbook.com/stocks/YSS/) | $11.5M | 468,190 | 0.4% | 2 |
| ALKAMI TECHNOLOGY INC | [ALKT](https://holderbook.com/stocks/ALKT/) | $11.4M | 627,781 | 0.4% | 4 |
| ARXIS INC | [ARXS](https://holderbook.com/stocks/ARXS/) | $11.1M | 241,183 | 0.4% | 1 |
| DIGITALOCEAN HLDGS INC | [DOCN](https://holderbook.com/stocks/DOCN/) | $11.0M | 70,354 | 0.4% | 2 |
| RADNET INC | [RDNT](https://holderbook.com/stocks/RDNT/) | $10.6M | 171,637 | 0.4% | 2 |
| JBT MAREL CORPORATION | [JBTM](https://holderbook.com/stocks/JBTM/) | $10.5M | 72,356 | 0.4% | 6 |
| IRHYTHM HOLDINGS INC | [IRTC](https://holderbook.com/stocks/IRTC/) | $10.0M | 83,903 | 0.4% | 8 |
| AGILYSYS INC | [AGYS](https://holderbook.com/stocks/AGYS/) | $9.9M | 94,777 | 0.4% | 5 |
| SYNDAX PHARMACEUTICALS INC | [SNDX](https://holderbook.com/stocks/SNDX/) | $9.8M | 446,988 | 0.3% | 11 |
| KINIKSA PHARMACEUTICALS INTL | [KNSA](https://holderbook.com/stocks/KNSA/) | $9.7M | 151,725 | 0.3% | 9 |
| WILLSCOT HLDGS CORP | [WSC](https://holderbook.com/stocks/WSC/) | $9.7M | 336,172 | 0.3% | 24 |
| OKTA INC | [OKTA](https://holderbook.com/stocks/OKTA/) | $9.3M | 68,271 | 0.3% | 15 |
| RHYTHM PHARMACEUTICALS INC | [RYTM](https://holderbook.com/stocks/RYTM/) | $9.2M | 83,270 | 0.3% | 5 |
| LIGHTPATH TECHNOLOGIES INC | [LPTH](https://holderbook.com/stocks/LPTH/) | $9.2M | 563,045 | 0.3% | 3 |
| OWLET INC | [OWLT](https://holderbook.com/stocks/OWLT/) | $9.2M | 1,595,419 | 0.3% | 7 |
| SCHOLAR ROCK HLDG CORP | [SRRK](https://holderbook.com/stocks/SRRK/) | $9.0M | 163,759 | 0.3% | 5 |
| CHEFS WHSE INC | [CHEF](https://holderbook.com/stocks/CHEF/) | $9.0M | 93,187 | 0.3% | 4 |
| TAYSHA GENE THERAPIES INC | [TSHA](https://holderbook.com/stocks/TSHA/) | $8.9M | 1,305,177 | 0.3% | 9 |
| LATTICE SEMICONDUCTOR CORP | [LSCC](https://holderbook.com/stocks/LSCC/) | $8.8M | 57,848 | 0.3% | 8 |
| RAMBUS INC DEL | [RMBS](https://holderbook.com/stocks/RMBS/) | $8.8M | 66,245 | 0.3% | 9 |
| HEALTHEQUITY INC | [HQY](https://holderbook.com/stocks/HQY/) | $8.8M | 97,318 | 0.3% | 3 |
| ZYMEWORKS INC | [ZYME](https://holderbook.com/stocks/ZYME/) | $8.8M | 336,157 | 0.3% | 15 |
| CECO ENVIRONMENTAL CORP | [CECO](https://holderbook.com/stocks/CECO/) | $8.6M | 94,823 | 0.3% | 6 |
| ALIGNMENT HEALTHCARE INC | [ALHC](https://holderbook.com/stocks/ALHC/) | $8.5M | 354,973 | 0.3% | 5 |
| MP MATERIALS CORP | [MP](https://holderbook.com/stocks/MP/) | $8.3M | 148,652 | 0.3% | 3 |
| IMMUNOME INC | [IMNM](https://holderbook.com/stocks/IMNM/) | $8.0M | 378,542 | 0.3% | 7 |
| IMMUNOVANT INC | [IMVT](https://holderbook.com/stocks/IMVT/) | $8.0M | 206,372 | 0.3% | 7 |
| EDGEWISE THERAPEUTICS INC | [EWTX](https://holderbook.com/stocks/EWTX/) | $7.9M | 193,778 | 0.3% | 14 |
| XENON PHARMACEUTICALS INC | [XENE](https://holderbook.com/stocks/XENE/) | $7.8M | 129,443 | 0.3% | 30 |
| ARTERIS INC | [AIP](https://holderbook.com/stocks/AIP/) | $7.8M | 160,415 | 0.3% | 19 |
| RIGETTI COMPUTING INC | [RGTI](https://holderbook.com/stocks/RGTI/) | $7.6M | 395,177 | 0.3% | 3 |
| DYNE THERAPEUTICS INC | [DYN](https://holderbook.com/stocks/DYN/) | $7.5M | 338,565 | 0.3% | 1 |
| ANTERIX INC | [ATEX](https://holderbook.com/stocks/ATEX/) | $7.4M | 72,121 | 0.3% | 1 |
| BRIDGEBIO PHARMA INC | [BBIO](https://holderbook.com/stocks/BBIO/) | $7.4M | 99,130 | 0.3% | 5 |
| SPYRE THERAPEUTICS INC | [SYRE](https://holderbook.com/stocks/SYRE/) | $7.4M | 82,991 | 0.3% | 1 |
| GUIDEWIRE SOFTWARE INC | [GWRE](https://holderbook.com/stocks/GWRE/) | $7.2M | 58,689 | 0.3% | 1 |
| KARMAN HLDGS INC | [KRMN](https://holderbook.com/stocks/KRMN/) | $7.2M | 144,544 | 0.3% | 1 |
| EVOLV TECHNOLOGIES HLDNGS IN | [EVLV](https://holderbook.com/stocks/EVLV/) | $7.2M | 1,235,954 | 0.3% | 1 |
| IRADIMED CORP | [IRMD](https://holderbook.com/stocks/IRMD/) | $7.2M | 74,966 | 0.3% | 8 |
| XERIS BIOPHARMA HOLDINGS INC | [XERS](https://holderbook.com/stocks/XERS/) | $7.1M | 898,753 | 0.3% | 4 |
| BETA TECHNOLOGIES INC | [BETA](https://holderbook.com/stocks/BETA/) | $7.1M | 422,493 | 0.3% | 3 |
| NETSKOPE INC | [NTSK](https://holderbook.com/stocks/NTSK/) | $6.6M | 607,060 | 0.2% | 4 |
| CORVEL CORP | [CRVL](https://holderbook.com/stocks/CRVL/) | $6.6M | 105,569 | 0.2% | 20 |
| CALLAWAY GOLF CO | [CALY](https://holderbook.com/stocks/CALY/) | $6.4M | 342,173 | 0.2% | 2 |

## What the disclosed book did

Not the fund's return. This is the change in value of the positions disclosed on Form 13F, had they been left untouched, against SPY over the same quarter ends.

| Quarter | Book | Market | Difference | Priced |
|---|---|---|---|---|
| Q2 2026 | +42.6% | +14.8% | +27.7% | 100% |
| Q1 2026 | -7.9% | -4.6% | -3.3% | 100% |
| Q4 2025 | -4.4% | +2.4% | -6.7% | 100% |
| Q3 2025 | +5.3% | +7.8% | -2.5% | 100% |
| Q2 2025 | +22.4% | +10.5% | +11.9% | 100% |
| Q1 2025 | -12.5% | -4.6% | -7.9% | 100% |
| Q4 2024 | +3.8% | +2.1% | +1.6% | 100% |
| Q3 2024 | +9.5% | +5.4% | +4.1% | 100% |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $2.8B | 150 |
| Q1 2026 | $2.1B | 149 |
| Q4 2025 | $2.3B | 157 |
| Q3 2025 | $2.4B | 146 |
| Q2 2025 | $2.5B | 153 |
| Q1 2025 | $2.0B | 159 |
| Q4 2024 | $2.4B | 180 |
| Q3 2024 | $2.5B | 187 |
| Q2 2024 | $2.5B | 180 |
| Q1 2024 | $2.8B | 181 |
| Q4 2023 | $3.0B | 180 |
| Q3 2023 | $2.8B | 183 |