Granahan Investment Management, LLC
In its 13F for Q2 2024 (holdings as of June 30, 2024, filed August 14, 2024), Granahan Investment Management, LLC reported 180 stock positions worth $2.5 billion. Its top holding was Indie Semiconductor Class A (INDI) at 4.5% of the portfolio, followed by Zeta Global Class A (ZETA, 4.0%) and Axon Enterprise (AXON, 2.9%). Compared with Q1 2024, it opened 26 new positions, sold out of 27, added to 69 and reduced 85. The biggest buy was SHIFT4 Payments Class A (FOUR, shares +94%) and the biggest sale Doubleverify (DV, shares −83%).
- Most Recent 13F
- Q2 2026
- Location
- WALTHAM, MA
- CIK
- 0001026710
- Portfolio Value
- $2.5B (Q2 2024)
- SEC Filing
- 0001398344-24-014604 ↗ filed Aug 14, 2024
Holdings Value
Holdings 180 stocks · $2.5B
| INDI Indie Semiconductor Inc. Class A | 4.54% | 18,392,316 | $113.5M | Reduce -5.1% |
| ZETA Zeta Global Holdings Corp. Class A | 4.03% | 5,701,504 | $100.6M | Reduce -30.7% |
| AXON Axon Enterprise Inc. | 2.90% | 246,539 | $72.5M | Reduce -16.5% |
| MGNI Magnite Inc. | 2.78% | 5,230,150 | $69.5M | Reduce -3.8% |
| SPT Sprout Social Inc. Class A | 2.70% | 1,892,701 | $67.5M | Add +18.4% |
| EVH Evolent Health Inc. Class A | 2.32% | 3,031,988 | $58.0M | Add +21.0% |
| TOST Toast Inc. Class A | 2.31% | 2,242,271 | $57.8M | Reduce -26.4% |
| VCTR Victory Capital Holding - A | 2.26% | 1,181,696 | $56.4M | Reduce -5.9% |
| SPSC SPS Commerce Inc. | 2.23% | 296,625 | $55.8M | Reduce -5.4% |
| GENI Genius Sports Ltd. | 2.17% | 9,967,678 | $54.3M | Reduce -16.0% |
| FOUR SHIFT4 Payments Inc. Class A | 1.75% | 597,300 | $43.8M | Add +94.3% |
| CRS Carpenter Technology | 1.73% | 393,551 | $43.1M | Add +41.4% |
| SMAR Smartsheet Inc. Class A | 1.69% | 956,154 | $42.1M | Reduce -5.7% |
| ODD Oddity Tech Ltd. Class A | 1.59% | 1,009,619 | $39.6M | Add +65.0% |
| LTH Life Time Group Holdings Inc. | 1.47% | 1,956,440 | $36.8M | Reduce -11.9% |
| GLOB Globant SA | 1.38% | 193,556 | $34.5M | Add +10.0% |
| CSGP Costar Group Inc. | 1.26% | 423,426 | $31.4M | Reduce -30.7% |
| VIVID SEATS INC | 1.21% | 5,239,943 | $30.1M | Add +47.2% |
| KIDS Orthopediatrics Corp. | 1.15% | 998,670 | $28.7M | Add +37.5% |
| VERX Vertex Inc. Class A | 1.12% | 778,660 | $28.1M | Add +5.3% |
| GTLS Chart Industries Inc. | 1.09% | 189,350 | $27.3M | Reduce -28.4% |
| CHEF The Chefs' Warehouse Inc. | 1.07% | 683,955 | $26.7M | Reduce -3.2% |
| PCTY Paylocity Holding Corp. | 1.07% | 201,907 | $26.6M | Reduce -5.4% |
| CWST Casella Waste Systems Inc. Class A | 1.05% | 263,670 | $26.2M | Reduce -21.3% |
| WSC Willscot Holdings Corp. | 1.03% | 682,192 | $25.7M | Add +12.7% |
| MRX Marex UK Holdings Ltd. filed as MAREX GROUP PLC | 1.02% | 1,273,577 | $25.5M | New |
| PHR Phreesia Inc. | 1.00% | 1,184,752 | $25.1M | Reduce -20.7% |
| VECO Veeco Instruments Inc. | 0.96% | 515,376 | $24.1M | Reduce -16.6% |
| CSTL Castle Biosciences Inc. | 0.92% | 1,058,941 | $23.1M | Reduce -34.9% |
| SIBN Si-Bone Inc. | 0.91% | 1,763,101 | $22.8M | Add +10.7% |
| ARRY Array Technologies Inc. | 0.88% | 2,149,381 | $22.1M | Reduce -0.2% |
| ONT Onterris Inc. filed as MONTROSE ENVIRONMENTAL GROUP | 0.86% | 483,300 | $21.5M | New |
| MTRN Materion Corp. | 0.84% | 194,148 | $21.0M | Reduce -0.2% |
| TCBI Texas Capital Bancshares Inc. | 0.84% | 342,968 | $21.0M | Add +12.1% |
| COCO The Vita Coco Co. Inc. | 0.83% | 743,370 | $20.7M | Reduce -14.8% |
| BLFS Biolife Solutions Inc. | 0.81% | 945,524 | $20.3M | Reduce -12.4% |
| VKTX Viking Therapeutics Inc. | 0.80% | 378,698 | $20.1M | Add +18.8% |
| KRNT Kornit Digital Ltd. | 0.80% | 1,365,741 | $20.0M | Reduce -4.7% |
| COMP Compass Inc. Class A | 0.70% | 4,865,467 | $17.5M | Reduce -24.0% |
| PSN Parsons Corp. | 0.70% | 212,378 | $17.4M | New |
| INSM Insmed Inc. | 0.69% | 259,275 | $17.4M | Add +93.8% |
| WK Workiva Inc. | 0.69% | 234,661 | $17.1M | Reduce -39.1% |
| EVER Everquote Inc. Class A | 0.66% | 795,595 | $16.6M | Reduce -28.2% |
| CYBR Cyberark Software Ltd./Israel | 0.64% | 58,111 | $15.9M | Add +3.4% |
| CALY Callaway Golf Company filed as TOPGOLF CALLAWAY BRANDS CORP | 0.62% | 1,006,075 | $15.4M | Reduce -8.8% |
| LOVE The Lovesac Co. | 0.61% | 675,941 | $15.3M | Reduce -46.2% |
| CMCO Columbus McKinnon Corp. | 0.61% | 441,584 | $15.3M | Reduce -9.8% |
| BPMC Blueprint Medicines Corp. | 0.60% | 139,732 | $15.1M | Reduce -22.1% |
| PRO Pros Holdings Inc. | 0.60% | 524,772 | $15.0M | Reduce -2.4% |
| SIMO Silicon Motion Technol-ADR | 0.60% | 185,608 | $15.0M | Reduce -13.9% |
| PRCH Porch Group Inc. | 0.60% | 9,889,666 | $14.9M | Reduce -10.1% |
| QTRX Quanterix Corp. | 0.60% | 1,129,491 | $14.9M | Add +68.1% |
| STKL Sunopta Inc. | 0.60% | 2,755,865 | $14.9M | Add +33.0% |
| THRM Gentherm Inc. | 0.58% | 293,667 | $14.5M | Reduce -21.7% |
| NTNX Nutanix Inc. Class A | 0.56% | 245,450 | $14.0M | Add +23.7% |
| CFLT Confluent Inc. Class A | 0.54% | 455,826 | $13.5M | Add +21.8% |
| RBC RBC Bearings Inc. | 0.53% | 49,401 | $13.3M | Reduce -52.2% |
| GWRE Guidewire Software Inc. | 0.52% | 94,605 | $13.0M | Reduce -42.7% |
| PTLO Portillo's Inc. Class A | 0.52% | 1,329,363 | $12.9M | Reduce -12.5% |
| EWTX Edgewise Therapeutics Inc. | 0.51% | 710,723 | $12.8M | Add +16.9% |
| FIVN FIVE9 Inc. | 0.51% | 287,130 | $12.7M | Add +153.4% |
| P Everpure Inc. Class A filed as PURE STORAGE INC | 0.50% | 196,254 | $12.6M | Reduce -65.0% |
| BFAM Bright Horizons Family Solut | 0.50% | 113,717 | $12.5M | Add +1041.4% |
| MLTX Moonlake Immunotherapeutics | 0.50% | 283,649 | $12.5M | Add +31.4% |
| EEFT Euronet Worldwide Inc. | 0.49% | 119,145 | $12.3M | Reduce -35.6% |
| BELFB Bel Fuse Inc. Class B | 0.49% | 187,290 | $12.2M | Add +63.5% |
| ENVX Enovix Corp. | 0.49% | 790,116 | $12.2M | Add +12.3% |
| SNDX Syndax Pharmaceuticals Inc. | 0.49% | 594,386 | $12.2M | Add +49.8% |
| PTC PTC Inc. | 0.48% | 65,875 | $12.0M | Add +19.6% |
| RDDT Reddit Inc. Class A | 0.47% | 185,762 | $11.9M | Add +54.6% |
| FWRG First Watch Restaurant Group | 0.47% | 673,504 | $11.8M | Reduce -1.6% |
| GTES Gates Industrial Corp. UK Ltd. | 0.47% | 741,172 | $11.7M | New |
| MOD Modine Manufacturing Co. | 0.44% | 108,771 | $10.9M | Reduce -10.7% |
| TMDX Transmedics Group Inc. | 0.43% | 71,609 | $10.8M | Reduce -46.3% |
| QLYS Qualys Inc. | 0.43% | 75,550 | $10.8M | Add +51.0% |
| KNSA Kiniksa Pharmaceuticals Inte | 0.42% | 568,735 | $10.6M | Reduce -12.2% |
| PLRX Pliant Therapeutics Inc. | 0.42% | 982,049 | $10.6M | Reduce -6.2% |
| HUBS HubSpot Inc. | 0.40% | 17,016 | $10.0M | Reduce -12.0% |
| FROG Jfrog Ltd. | 0.40% | 267,263 | $10.0M | Add +37.0% |
| NTRA Natera Inc. | 0.40% | 91,993 | $10.0M | Reduce -30.4% |
| VRNS Varonis Systems Inc. | 0.40% | 206,104 | $9.9M | Add +14.9% |
| SKX Skechers USA Inc. Class A | 0.39% | 140,910 | $9.7M | Add +353.9% |
| CCOI Cogent Communications Holdin | 0.39% | 171,253 | $9.7M | Add +0.9% |
| AMRC Ameresco Inc. Class A | 0.38% | 329,204 | $9.5M | Reduce -38.0% |
| CCC CCC Intelligent Solutions Ho | 0.36% | 821,092 | $9.1M | Reduce -22.7% |
| POWI Power Integrations Inc. | 0.36% | 127,205 | $8.9M | Add +4.4% |
| XENE Xenon Pharmaceuticals Inc. | 0.35% | 226,166 | $8.8M | Reduce -7.3% |
| ARCT Arcturus Therapeutics Holdin | 0.34% | 344,549 | $8.4M | Add +2.5% |
| STOK Stoke Therapeutics Inc. | 0.32% | 598,401 | $8.1M | Add +25.9% |
| AZTA Azenta Inc. | 0.31% | 145,003 | $7.6M | Add +23.4% |
| BLBD Blue Bird Corp. | 0.30% | 140,909 | $7.6M | New |
| PAR Par Technology Corp. | 0.30% | 159,336 | $7.5M | New |
| CYTK Cytokinetics Inc. | 0.30% | 136,878 | $7.4M | New |
| VCYT Veracyte Inc. | 0.29% | 340,147 | $7.4M | Reduce -0.6% |
| SPXC SPX Technologies Inc. | 0.29% | 51,751 | $7.4M | Reduce -55.7% |
| PDFS PDF Solutions Inc. | 0.29% | 196,934 | $7.2M | Add +12.2% |
| WNS WNS Holdings Ltd. filed as WNS HLDGS LTD | 0.28% | 135,165 | $7.1M | Reduce -24.2% |
| PRTA Prothena Corp. PLC | 0.28% | 335,660 | $6.9M | Add +0.5% |
| OSIS Osi Systems Inc. | 0.28% | 50,111 | $6.9M | Reduce -3.0% |
| CRVL Corvel Corp. | 0.27% | 26,717 | $6.8M | Reduce -7.2% |
Portfolio Sells Q1 2024 → Q2 2024
| DV Doubleverify Holdings Inc. | Reduce -83.3% | 0.14% | −1.19 |
| PRCH Porch Group Inc. | Reduce -10.1% | 0.60% | −1.07 |
| CSGP Costar Group Inc. | Reduce -30.7% | 1.26% | −0.82 |
| RGEN Repligen Corp. | Sold out | 0.00% | −0.81 |
| BMBL Bumble Inc. Class A | Sold out | 0.00% | −0.57 |
| RH RH | Sold out | 0.00% | −0.54 |
| P Everpure Inc. Class A | Reduce -65.0% | 0.50% | −0.52 |
| WK Workiva Inc. | Reduce -39.1% | 0.69% | −0.46 |
| RBC RBC Bearings Inc. | Reduce -52.2% | 0.53% | −0.45 |
| GTLS Chart Industries Inc. | Reduce -28.4% | 1.09% | −0.43 |
| LOVE The Lovesac Co. | Reduce -46.2% | 0.61% | −0.39 |
| TRIP Tripadvisor Inc. | Sold out | 0.00% | −0.38 |
| SSYS Stratasys Ltd. | Sold out | 0.00% | −0.37 |
| PRFT Perficient Inc. | Sold out | 0.00% | −0.36 |
| TOST Toast Inc. Class A | Reduce -26.4% | 2.31% | −0.35 |
| BLUEBIRD BIO INC | Sold out | 0.00% | −0.35 |
| CSTL Castle Biosciences Inc. | Reduce -34.9% | 0.92% | −0.34 |
| AXON Axon Enterprise Inc. | Reduce -16.5% | 2.90% | −0.34 |
| ALTG Alta Equipment Group Inc. | Reduce -90.3% | 0.02% | −0.33 |
| KNSL Kinsale Capital Group Inc. | Reduce -47.8% | 0.25% | −0.32 |
| SWAV Shockwave Medical Inc. | Sold out | 0.00% | −0.28 |
| INDI Indie Semiconductor Inc. Class A | Reduce -5.1% | 4.54% | −0.28 |
| KVYO Klaviyo Inc. Class A | Sold out | 0.00% | −0.27 |
| MASS 908 Devices Inc. | Reduce -47.0% | 0.19% | −0.27 |
| EXPE Expedia Group Inc. | Sold out | 0.00% | −0.26 |
| COUR Coursera Inc. | Sold out | 0.00% | −0.25 |
| PHR Phreesia Inc. | Reduce -20.7% | 1.00% | −0.25 |
| ARRY Array Technologies Inc. | Reduce -0.2% | 0.88% | −0.25 |
| BBIO Bridgebio Pharma Inc. | Reduce -45.0% | 0.25% | −0.24 |
| PTLO Portillo's Inc. Class A | Reduce -12.5% | 0.52% | −0.24 |
| SMTC Semtech Corp. | Reduce -69.4% | 0.14% | −0.23 |
| PCTY Paylocity Holding Corp. | Reduce -5.4% | 1.07% | −0.22 |
| EEFT Euronet Worldwide Inc. | Reduce -35.6% | 0.49% | −0.22 |
| SPXC SPX Technologies Inc. | Reduce -55.7% | 0.29% | −0.21 |
| FARO Faro Technologies Inc. | Sold out | 0.00% | −0.21 |
| GENI Genius Sports Ltd. | Reduce -16.0% | 2.17% | −0.20 |
| ETSY Etsy Inc. | Sold out | 0.00% | −0.20 |
| HCP Hashicorp Inc. Class A | Sold out | 0.00% | −0.20 |
| UDMY Udemy Inc. | Reduce -43.9% | 0.19% | −0.19 |
| THRM Gentherm Inc. | Reduce -21.7% | 0.58% | −0.18 |
| CMCO Columbus McKinnon Corp. | Reduce -9.8% | 0.61% | −0.16 |
| GWRE Guidewire Software Inc. | Reduce -42.7% | 0.52% | −0.15 |
| CXM Sprinklr Inc. Class A | Sold out | 0.00% | −0.15 |
| CSIQ Canadian Solar Inc. | Sold out | 0.00% | −0.15 |
| SHLS Shoals Technologies Group -A | Reduce -94.0% | 0.01% | −0.15 |
| SRI Stoneridge Inc. | Sold out | 0.00% | −0.13 |
| BOOT Boot Barn Holdings Inc. | Reduce -62.5% | 0.17% | −0.13 |
| PLRX Pliant Therapeutics Inc. | Reduce -6.2% | 0.42% | −0.13 |
| HDSN Hudson Technologies Inc. | Reduce -90.0% | 0.01% | −0.12 |
| FWRG First Watch Restaurant Group | Reduce -1.6% | 0.47% | −0.12 |
Portfolio Buys Q1 2024 → Q2 2024
| FOUR SHIFT4 Payments Inc. Class A | Add +94.3% | 1.75% | +1.04 |
| CRS Carpenter Technology | Add +41.4% | 1.73% | +1.03 |
| MRX Marex UK Holdings Ltd. | New | 1.02% | +1.02 |
| ONT Onterris Inc. | New | 0.86% | +0.86 |
| PSN Parsons Corp. | New | 0.70% | +0.70 |
| ODD Oddity Tech Ltd. Class A | Add +65.0% | 1.59% | +0.65 |
| INSM Insmed Inc. | Add +93.8% | 0.69% | +0.57 |
| GTES Gates Industrial Corp. UK Ltd. | New | 0.47% | +0.47 |
| BFAM Bright Horizons Family Solut | Add +1041.4% | 0.50% | +0.46 |
| VIVID SEATS INC | Add +47.2% | 1.21% | +0.46 |
| KIDS Orthopediatrics Corp. | Add +37.5% | 1.15% | +0.41 |
| SKX Skechers USA Inc. Class A | Add +353.9% | 0.39% | +0.32 |
| BLBD Blue Bird Corp. | New | 0.30% | +0.30 |
| PAR Par Technology Corp. | New | 0.30% | +0.30 |
| VERX Vertex Inc. Class A | Add +5.3% | 1.12% | +0.30 |
| CYTK Cytokinetics Inc. | New | 0.30% | +0.30 |
| ENVX Enovix Corp. | Add +12.3% | 0.49% | +0.29 |
| RDDT Reddit Inc. Class A | Add +54.6% | 0.47% | +0.27 |
| FIVN FIVE9 Inc. | Add +153.4% | 0.51% | +0.26 |
| KRUS Kura Sushi USA Inc. Class A | New | 0.25% | +0.25 |
| BELFB Bel Fuse Inc. Class B | Add +63.5% | 0.49% | +0.25 |
| AGIO Agios Pharmaceuticals Inc. | New | 0.24% | +0.24 |
| EXTR Extreme Networks Inc. | New | 0.21% | +0.21 |
| RMBS Rambus Inc. | New | 0.20% | +0.20 |
| RXST Rxsight Inc. | Add +452.5% | 0.23% | +0.20 |
| TCBI Texas Capital Bancshares Inc. | Add +12.1% | 0.84% | +0.18 |
| ACHC Acadia Healthcare Co. Inc. | New | 0.18% | +0.18 |
| FIX Comfort Systems USA Inc. | New | 0.16% | +0.16 |
| MYRG MYR Group Inc./Delaware | New | 0.16% | +0.16 |
| SNDX Syndax Pharmaceuticals Inc. | Add +49.8% | 0.49% | +0.16 |
| CLS Celestica Inc. | New | 0.15% | +0.15 |
| QLYS Qualys Inc. | Add +51.0% | 0.43% | +0.14 |
| CFLT Confluent Inc. Class A | Add +21.8% | 0.54% | +0.14 |
| NOVT Novanta Inc. | New | 0.13% | +0.13 |
| GLOB Globant SA | Add +10.0% | 1.38% | +0.13 |
| ITCI Intra-Cellular Therapies Inc. | Add +85.3% | 0.25% | +0.13 |
| NTNX Nutanix Inc. Class A | Add +23.7% | 0.56% | +0.13 |
| EWTX Edgewise Therapeutics Inc. | Add +16.9% | 0.51% | +0.12 |
| MEC Mayville Engineering Co. Inc. | Add +69.8% | 0.22% | +0.12 |
| NPKI NPK International Inc. | New | 0.12% | +0.12 |
| MLTX Moonlake Immunotherapeutics | Add +31.4% | 0.50% | +0.12 |
| UTI Universal Technical Institut | New | 0.12% | +0.12 |
| PTC PTC Inc. | Add +19.6% | 0.48% | +0.11 |
| CYBR Cyberark Software Ltd./Israel | Add +3.4% | 0.64% | +0.11 |
| INFN Infinera Corp. | New | 0.11% | +0.11 |
| CLBT Cellebrite Di Ltd. | Add +383.8% | 0.13% | +0.10 |
| FOXF Fox Factory Holding Corp. | Add +145.2% | 0.17% | +0.10 |
| ALGM Allegro Microsystems Inc. | Add +40.7% | 0.25% | +0.10 |
| VRNS Varonis Systems Inc. | Add +14.9% | 0.40% | +0.10 |
| FROG Jfrog Ltd. | Add +37.0% | 0.40% | +0.10 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 150 | $2.8B | PRCH, SIMO, FPS, INDI, VCTR |
| Q1 2026 | 149 | $2.1B | CRS, PRCH, FTAI, MOD, VCTR |
| Q4 2025 | 157 | $2.3B | PRCH, GENI, CRS, FTAI, VCTR |
| Q3 2025 | 146 | $2.4B | PRCH, GENI, ODD, MGNI, VCTR |
| Q2 2025 | 153 | $2.5B | PRCH, ODD, MGNI, GENI, MRX |
| Q1 2025 | 159 | $2.0B | PRCH, GENI, MRX, ODD, VCTR |
| Q4 2024 | 180 | $2.4B | AXON, VCTR, INDI, GENI, MRX |
| Q3 2024 | 187 | $2.5B | EVH, AXON, ZETA, INDI, TOST |
| Q2 2024 | 180 | $2.5B | INDI, ZETA, AXON, MGNI, SPT |
| Q1 2024 | 181 | $2.8B | INDI, SPT, AXON, ZETA, EVH |