Granahan Investment Management, LLC
In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 14, 2025), Granahan Investment Management, LLC reported 180 stock positions worth $2.4 billion. Its top holding was Axon Enterprise (AXON) at 4.0% of the portfolio, followed by Victory Capital Holding - A (VCTR, 3.1%) and Indie Semiconductor Class A (INDI, 3.0%). Compared with Q3 2024, it opened 22 new positions, sold out of 29, added to 53 and reduced 105. The biggest buy was Porch (PRCH, shares +19%) and the biggest sale Zeta Global Class A (ZETA, shares −77%).
- Most Recent 13F
- Q2 2026
- Location
- WALTHAM, MA
- CIK
- 0001026710
- Portfolio Value
- $2.4B (Q4 2024)
- SEC Filing
- 0001398344-25-002765 ↗ filed Feb 14, 2025
Holdings Value
Holdings 180 stocks · $2.4B
| AXON Axon Enterprise Inc. | 4.01% | 161,667 | $96.1M | Reduce -31.2% |
| VCTR Victory Capital Holding - A | 3.10% | 1,132,997 | $74.2M | Reduce -1.4% |
| INDI Indie Semiconductor Inc. Class A | 2.99% | 17,675,164 | $71.6M | Reduce -0.8% |
| GENI Genius Sports Ltd. | 2.88% | 7,963,691 | $68.9M | Add +0.8% |
| MRX Marex UK Holdings Ltd. filed as MAREX GROUP PLC | 2.85% | 2,190,604 | $68.3M | Add +77.7% |
| ODD Oddity Tech Ltd. Class A | 2.70% | 1,538,198 | $64.6M | Add +15.9% |
| PRCH Porch Group Inc. | 2.44% | 11,891,581 | $58.5M | Add +19.0% |
| TOST Toast Inc. Class A | 2.40% | 1,578,370 | $57.5M | Reduce -30.8% |
| MGNI Magnite Inc. | 2.40% | 3,613,084 | $57.5M | Reduce -9.7% |
| SPSC SPS Commerce Inc. | 2.33% | 302,920 | $55.7M | Add +10.7% |
| FOUR SHIFT4 Payments Inc. Class A | 2.25% | 519,556 | $53.9M | Reduce -1.4% |
| KRNT Kornit Digital Ltd. | 2.06% | 1,595,549 | $49.4M | Reduce -4.9% |
| CRS Carpenter Technology | 1.89% | 267,077 | $45.3M | Reduce -14.4% |
| GLOB Globant SA | 1.75% | 194,980 | $41.8M | Add +0.3% |
| EVH Evolent Health Inc. Class A | 1.73% | 3,673,710 | $41.3M | Add +5.2% |
| CWST Casella Waste Systems Inc. Class A | 1.64% | 372,321 | $39.4M | Reduce -4.9% |
| PHR Phreesia Inc. | 1.53% | 1,453,720 | $36.6M | Reduce -0.1% |
| LTH Life Time Group Holdings Inc. | 1.51% | 1,638,309 | $36.2M | Add +3.7% |
| SRAD Sportradar Group AG-A | 1.45% | 2,008,977 | $34.8M | Add +86.3% |
| KRUS Kura Sushi USA Inc. Class A | 1.39% | 367,029 | $33.2M | Add +16.4% |
| SG Sweetgreen Inc. Class A | 1.37% | 1,022,397 | $32.8M | Add +184.8% |
| ACVA Acv Auctions Inc. Class A | 1.30% | 1,436,473 | $31.0M | Add +41.1% |
| PCTY Paylocity Holding Corp. | 1.26% | 151,501 | $30.2M | Reduce -4.4% |
| SMTC Semtech Corp. | 1.18% | 458,075 | $28.3M | Add +126.2% |
| FWRG First Watch Restaurant Group | 1.14% | 1,471,610 | $27.4M | Add +42.7% |
| SPT Sprout Social Inc. Class A | 1.11% | 866,094 | $26.6M | Reduce -29.0% |
| HUBS HubSpot Inc. | 1.08% | 36,992 | $25.8M | Reduce -19.3% |
| KLC Kindercare Learning Cos Inc. | 1.07% | 1,446,059 | $25.7M | New |
| CSGP Costar Group Inc. | 1.07% | 358,206 | $25.6M | Reduce -1.4% |
| PAR Par Technology Corp. | 1.06% | 347,916 | $25.3M | Add +115.5% |
| RDDT Reddit Inc. Class A | 1.05% | 154,249 | $25.2M | Reduce -15.2% |
| EXAS Exact Sciences Corp. | 1.04% | 444,064 | $25.0M | Add +8.2% |
| COMP Compass Inc. Class A | 0.98% | 4,028,849 | $23.6M | Reduce -5.8% |
| SIBN Si-Bone Inc. | 0.96% | 1,634,566 | $22.9M | Reduce -1.3% |
| STKL Sunopta Inc. | 0.89% | 2,782,215 | $21.4M | Add +26.9% |
| ACHR Archer Aviation Inc. Class A | 0.86% | 2,124,164 | $20.7M | New |
| TCBI Texas Capital Bancshares Inc. | 0.85% | 259,685 | $20.3M | Reduce -18.7% |
| STEP Stepstone Group Inc. Class A | 0.84% | 348,735 | $20.2M | Add +48.8% |
| TRNS Transcat Inc. | 0.83% | 188,763 | $20.0M | Add +132.0% |
| WSC Willscot Holdings Corp. | 0.82% | 589,169 | $19.7M | Reduce -5.4% |
| VERX Vertex Inc. Class A | 0.81% | 362,598 | $19.3M | Reduce -34.0% |
| RBC RBC Bearings Inc. | 0.76% | 61,004 | $18.2M | Reduce -1.9% |
| KIDS Orthopediatrics Corp. | 0.76% | 786,369 | $18.2M | Reduce -22.2% |
| SN Sharkninja Inc. | 0.70% | 171,383 | $16.7M | Add +12.1% |
| KNF Knife River Corp. | 0.69% | 161,577 | $16.4M | Add +35.9% |
| VIVID SEATS INC | 0.65% | 3,381,198 | $15.7M | Reduce -29.8% |
| RGEN Repligen Corp. | 0.65% | 107,415 | $15.5M | Add +21.7% |
| ENVX Enovix Corp. | 0.62% | 1,358,992 | $14.8M | Add +10.1% |
| GTES Gates Industrial Corp. UK Ltd. | 0.61% | 711,049 | $14.6M | Reduce -0.5% |
| INSM Insmed Inc. | 0.60% | 209,354 | $14.5M | Reduce -3.7% |
| CCOI Cogent Communications Holdin | 0.56% | 174,481 | $13.4M | Reduce -4.4% |
| BELFB Bel Fuse Inc. Class B | 0.55% | 159,504 | $13.2M | Reduce -6.4% |
| BOOT Boot Barn Holdings Inc. | 0.53% | 83,236 | $12.6M | Add +137.7% |
| MTRN Materion Corp. | 0.52% | 126,367 | $12.5M | Reduce -7.6% |
| BPMC Blueprint Medicines Corp. | 0.52% | 141,890 | $12.4M | Add +8.2% |
| CYBR Cyberark Software Ltd./Israel | 0.52% | 37,038 | $12.3M | Reduce -24.6% |
| VKTX Viking Therapeutics Inc. | 0.51% | 305,586 | $12.3M | Reduce -6.1% |
| MOD Modine Manufacturing Co. | 0.51% | 105,122 | $12.2M | Add +59.3% |
| SNDX Syndax Pharmaceuticals Inc. | 0.50% | 905,322 | $12.0M | Add +36.2% |
| BLFS Biolife Solutions Inc. | 0.50% | 457,007 | $11.9M | Reduce -30.6% |
| ZETA Zeta Global Holdings Corp. Class A | 0.49% | 655,702 | $11.8M | Reduce -77.1% |
| NTNX Nutanix Inc. Class A | 0.49% | 191,828 | $11.7M | Reduce -8.6% |
| CMCO Columbus McKinnon Corp. | 0.44% | 284,272 | $10.6M | Reduce -19.3% |
| QXO Qxo Inc. | 0.43% | 650,946 | $10.4M | Reduce -1.1% |
| P Everpure Inc. Class A filed as PURE STORAGE INC | 0.43% | 167,898 | $10.3M | Add +4.8% |
| WK Workiva Inc. | 0.43% | 93,513 | $10.2M | Reduce -33.0% |
| INFA Informatica Inc. Class A | 0.41% | 382,966 | $9.9M | Add +74.9% |
| ELF Elf Beauty Inc. | 0.40% | 77,029 | $9.7M | New |
| DMRC Digimarc Corp. | 0.39% | 249,435 | $9.3M | New |
| CHEF The Chefs' Warehouse Inc. | 0.39% | 189,283 | $9.3M | Reduce -53.7% |
| CFLT Confluent Inc. Class A | 0.39% | 333,618 | $9.3M | Reduce -39.2% |
| EVER Everquote Inc. Class A | 0.38% | 458,898 | $9.2M | Reduce -36.1% |
| KNSA Kiniksa Pharmaceuticals Inte | 0.38% | 463,110 | $9.2M | Reduce -8.7% |
| MEC Mayville Engineering Co. Inc. | 0.38% | 578,967 | $9.1M | Add +71.2% |
| NTRA Natera Inc. | 0.37% | 55,442 | $8.8M | Reduce -36.2% |
| FTAI Ftai Aviation Ltd. | 0.35% | 58,790 | $8.5M | New |
| EWTX Edgewise Therapeutics Inc. | 0.33% | 300,013 | $8.0M | Reduce -41.4% |
| NCLH Norwegian Cruise Line Holdin | 0.32% | 296,707 | $7.6M | New |
| LOVE The Lovesac Co. | 0.32% | 320,558 | $7.6M | Reduce -32.8% |
| GTLS Chart Industries Inc. | 0.31% | 39,289 | $7.5M | Reduce -80.2% |
| PTC PTC Inc. | 0.31% | 40,766 | $7.5M | Reduce -29.0% |
| COCO The Vita Coco Co. Inc. | 0.31% | 202,419 | $7.5M | Reduce -69.2% |
| MLTX Moonlake Immunotherapeutics | 0.31% | 136,438 | $7.4M | Reduce -21.0% |
| PRO Pros Holdings Inc. | 0.31% | 334,355 | $7.3M | Reduce -34.3% |
| FROG Jfrog Ltd. | 0.30% | 244,057 | $7.2M | Reduce -23.9% |
| XENE Xenon Pharmaceuticals Inc. | 0.30% | 182,333 | $7.1M | Reduce -9.2% |
| LSCC Lattice Semiconductor Corp. | 0.30% | 124,941 | $7.1M | Add +30.3% |
| PLRX Pliant Therapeutics Inc. | 0.29% | 527,147 | $6.9M | Reduce -28.6% |
| QLYS Qualys Inc. | 0.28% | 47,549 | $6.7M | Reduce -37.5% |
| FIVN FIVE9 Inc. | 0.28% | 163,657 | $6.7M | Reduce -19.6% |
| VECO Veeco Instruments Inc. | 0.27% | 243,669 | $6.5M | Reduce -16.5% |
| STOK Stoke Therapeutics Inc. | 0.26% | 567,689 | $6.3M | Reduce -12.0% |
| VRNS Varonis Systems Inc. | 0.25% | 137,005 | $6.1M | Reduce -6.3% |
| CCC CCC Intelligent Solutions Ho | 0.25% | 517,180 | $6.1M | Reduce -14.9% |
| CRVL Corvel Corp. | 0.25% | 54,366 | $6.0M | Reduce -23.9% |
| ZYME Zymeworks Inc. | 0.25% | 411,120 | $6.0M | Reduce -33.0% |
| ITCI Intra-Cellular Therapies Inc. | 0.24% | 69,841 | $5.8M | Reduce -29.8% |
| SLAB Silicon Laboratories Inc. | 0.24% | 46,463 | $5.8M | Reduce -20.7% |
| VITL Vital Farms Inc. | 0.24% | 151,347 | $5.7M | Add +52.3% |
| QTRX Quanterix Corp. | 0.24% | 536,417 | $5.7M | Reduce -51.4% |
Portfolio Sells Q3 2024 → Q4 2024
| ZETA Zeta Global Holdings Corp. Class A | Reduce -77.1% | 0.49% | −2.87 |
| SMAR Smartsheet Inc. Class A | Sold out | 0.00% | −1.31 |
| PSN Parsons Corp. | Reduce -76.9% | 0.19% | −0.66 |
| GTLS Chart Industries Inc. | Reduce -80.2% | 0.31% | −0.66 |
| ONT Onterris Inc. | Sold out | 0.00% | −0.58 |
| GWRE Guidewire Software Inc. | Sold out | 0.00% | −0.53 |
| PTLO Portillo's Inc. Class A | Reduce -66.5% | 0.15% | −0.44 |
| COCO The Vita Coco Co. Inc. | Reduce -69.2% | 0.31% | −0.42 |
| TMDX Transmedics Group Inc. | Sold out | 0.00% | −0.38 |
| KROS Keros Therapeutics Inc. | Sold out | 0.00% | −0.37 |
| CSTL Castle Biosciences Inc. | Reduce -73.9% | 0.12% | −0.35 |
| CALY Callaway Golf Company | Sold out | 0.00% | −0.34 |
| BFAM Bright Horizons Family Solut | Sold out | 0.00% | −0.34 |
| VCYT Veracyte Inc. | Reduce -84.1% | 0.08% | −0.34 |
| SKX Skechers USA Inc. Class A | Reduce -80.1% | 0.09% | −0.32 |
| QTRX Quanterix Corp. | Reduce -51.4% | 0.24% | −0.32 |
| KIDS Orthopediatrics Corp. | Reduce -22.2% | 0.76% | −0.32 |
| VKTX Viking Therapeutics Inc. | Reduce -6.1% | 0.51% | −0.30 |
| POWI Power Integrations Inc. | Sold out | 0.00% | −0.30 |
| CHEF The Chefs' Warehouse Inc. | Reduce -53.7% | 0.39% | −0.29 |
| SPT Sprout Social Inc. Class A | Reduce -29.0% | 1.11% | −0.28 |
| TXG 10X Genomics Inc. Class A | Sold out | 0.00% | −0.28 |
| FOXF Fox Factory Holding Corp. | Reduce -63.6% | 0.10% | −0.26 |
| MLAB Mesa Laboratories Inc. | Sold out | 0.00% | −0.23 |
| LEGN Legend Biotech Corp.-ADR | Sold out | 0.00% | −0.23 |
| CYTK Cytokinetics Inc. | Sold out | 0.00% | −0.23 |
| LOVE The Lovesac Co. | Reduce -32.8% | 0.32% | −0.22 |
| EVER Everquote Inc. Class A | Reduce -36.1% | 0.38% | −0.21 |
| PRTA Prothena Corp. PLC | Sold out | 0.00% | −0.21 |
| EWTX Edgewise Therapeutics Inc. | Reduce -41.4% | 0.33% | −0.20 |
| THRM Gentherm Inc. | Sold out | 0.00% | −0.19 |
| HCAT Health Catalyst Inc. | Reduce -52.2% | 0.15% | −0.18 |
| BBIO Bridgebio Pharma Inc. | Sold out | 0.00% | −0.18 |
| SIMO Silicon Motion Technol-ADR | Sold out | 0.00% | −0.16 |
| BLFS Biolife Solutions Inc. | Reduce -30.6% | 0.50% | −0.15 |
| AMRC Ameresco Inc. Class A | Reduce -90.2% | 0.01% | −0.15 |
| MKTX Marketaxess Holdings Inc. | Sold out | 0.00% | −0.15 |
| EYPT Eyepoint Inc. | Sold out | 0.00% | −0.14 |
| TOST Toast Inc. Class A | Reduce -30.8% | 2.40% | −0.14 |
| CEVA Ceva Inc. | Reduce -84.0% | 0.04% | −0.14 |
| BLBD Blue Bird Corp. | Reduce -39.0% | 0.14% | −0.13 |
| ORN Orion Group Holdings Inc. | Sold out | 0.00% | −0.12 |
| KNSA Kiniksa Pharmaceuticals Inte | Reduce -8.7% | 0.38% | −0.12 |
| WNS WNS Holdings Ltd. | Reduce -78.8% | 0.03% | −0.11 |
| AIP Arteris Inc. | Reduce -81.3% | 0.04% | −0.11 |
| VECO Veeco Instruments Inc. | Reduce -16.5% | 0.27% | −0.11 |
| QLYS Qualys Inc. | Reduce -37.5% | 0.28% | −0.11 |
| AGIO Agios Pharmaceuticals Inc. | Reduce -23.3% | 0.16% | −0.10 |
| RPD RAPID7 Inc. | Reduce -78.1% | 0.03% | −0.10 |
| WSC Willscot Holdings Corp. | Reduce -5.4% | 0.82% | −0.10 |
Portfolio Buys Q3 2024 → Q4 2024
| PRCH Porch Group Inc. | Add +19.0% | 2.44% | +1.84 |
| MRX Marex UK Holdings Ltd. | Add +77.7% | 2.85% | +1.71 |
| KLC Kindercare Learning Cos Inc. | New | 1.07% | +1.07 |
| SRAD Sportradar Group AG-A | Add +86.3% | 1.45% | +0.94 |
| SG Sweetgreen Inc. Class A | Add +184.8% | 1.37% | +0.87 |
| ACHR Archer Aviation Inc. Class A | New | 0.86% | +0.86 |
| SMTC Semtech Corp. | Add +126.2% | 1.18% | +0.82 |
| PAR Par Technology Corp. | Add +115.5% | 1.06% | +0.72 |
| ODD Oddity Tech Ltd. Class A | Add +15.9% | 2.70% | +0.59 |
| FWRG First Watch Restaurant Group | Add +42.7% | 1.14% | +0.51 |
| ACVA Acv Auctions Inc. Class A | Add +41.1% | 1.30% | +0.48 |
| TRNS Transcat Inc. | Add +132.0% | 0.83% | +0.45 |
| GENI Genius Sports Ltd. | Add +0.8% | 2.88% | +0.44 |
| ELF Elf Beauty Inc. | New | 0.40% | +0.40 |
| DMRC Digimarc Corp. | New | 0.39% | +0.39 |
| KRUS Kura Sushi USA Inc. Class A | Add +16.4% | 1.39% | +0.39 |
| FTAI Ftai Aviation Ltd. | New | 0.35% | +0.35 |
| STKL Sunopta Inc. | Add +26.9% | 0.89% | +0.34 |
| STEP Stepstone Group Inc. Class A | Add +48.8% | 0.84% | +0.32 |
| NCLH Norwegian Cruise Line Holdin | New | 0.32% | +0.32 |
| BOOT Boot Barn Holdings Inc. | Add +137.7% | 0.53% | +0.30 |
| KNF Knife River Corp. | Add +35.9% | 0.69% | +0.27 |
| SPSC SPS Commerce Inc. | Add +10.7% | 2.33% | +0.24 |
| GLOB Globant SA | Add +0.3% | 1.75% | +0.23 |
| INFA Informatica Inc. Class A | Add +74.9% | 0.41% | +0.20 |
| MGRC McGrath Rentcorp | New | 0.19% | +0.19 |
| MOD Modine Manufacturing Co. | Add +59.3% | 0.51% | +0.16 |
| ENVX Enovix Corp. | Add +10.1% | 0.62% | +0.16 |
| IMVT Immunovant Inc. | New | 0.15% | +0.15 |
| IMNM Immunome Inc. | New | 0.14% | +0.14 |
| RGEN Repligen Corp. | Add +21.7% | 0.65% | +0.13 |
| CLBT Cellebrite Di Ltd. | Add +69.5% | 0.21% | +0.12 |
| URBN Urban Outfitters Inc. | New | 0.12% | +0.12 |
| STVN Stevanato Group SPA | Add +95.2% | 0.21% | +0.11 |
| P Everpure Inc. Class A | Add +4.8% | 0.43% | +0.11 |
| ACHC Acadia Healthcare Co. Inc. | Add +190.9% | 0.24% | +0.11 |
| CLS Celestica Inc. | New | 0.11% | +0.11 |
| OLLI Ollie's Bargain Outlet Holdi | New | 0.10% | +0.10 |
| VITL Vital Farms Inc. | Add +52.3% | 0.24% | +0.10 |
| MEC Mayville Engineering Co. Inc. | Add +71.2% | 0.38% | +0.10 |
| LSCC Lattice Semiconductor Corp. | Add +30.3% | 0.30% | +0.10 |
| RXO Rxo Inc. | New | 0.09% | +0.09 |
| SPIR Spire Global Inc. | New | 0.07% | +0.07 |
| LENZ Lenz Therapeutics Inc. | New | 0.06% | +0.06 |
| ANAB Anaptysbio Inc. | New | 0.06% | +0.06 |
| EEFT Euronet Worldwide Inc. | Add +29.3% | 0.18% | +0.05 |
| OKTA Okta Inc. | Add +23.9% | 0.17% | +0.05 |
| FSV Firstservice Corp. | New | 0.05% | +0.05 |
| DV Doubleverify Holdings Inc. | Add +11.7% | 0.18% | +0.05 |
| SN Sharkninja Inc. | Add +12.1% | 0.70% | +0.04 |
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 |