Institutional Manager · CIK 0001026710
Granahan Investment Management, LLC
WALTHAM, MA · File #028-05876
Latest AUM
$2.34B
Positions
157
Top-10 Concentration
39.7%
Filings
12
Sector Allocation
Filing History
View all filings →- 13F HOLDINGS REPORTQ/E Dec 2025157 pos · $2.34B
- 13F HOLDINGS REPORTQ/E Sep 2025146 pos · $2.44B
- 13F HOLDINGS REPORTQ/E Jun 2025153 pos · $2.46B
- 13F HOLDINGS REPORTQ/E Mar 2025159 pos · $2.01B
- 13F HOLDINGS REPORTQ/E Dec 2024180 pos · $2.40B
- 13F HOLDINGS REPORTQ/E Sep 2024187 pos · $2.54B
- 13F HOLDINGS REPORTQ/E Jun 2024180 pos · $2.50B
- 13F HOLDINGS REPORTQ/E Mar 2024181 pos · $2.85B
- 13F HOLDINGS REPORTQ/E Dec 2023183 pos · $2.81B
- 13F HOLDINGS REPORTQ/E Sep 2023175 pos · $3.25B
- 13F HOLDINGS REPORTQ/E Jun 2023165 pos · $3.29B
- 13F HOLDINGS REPORTQ/E Mar 2023170 pos · $3.27B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | PORCH GROUP INC | PRCH | 11,590,428 | $105.8M | 6.04% |
| 2 | GENIUS SPORTS LIMITED | GENI | 7,853,872 | $86.5M | 4.94% |
| 3 | CARPENTER TECHNOLOGY CORP | CRS | 267,175 | $84.1M | 4.80% |
| 4 | FTAI AVIATION LTD | FTAIN | 347,365 | $68.4M | 3.91% |
| 5 | VICTORY CAP HLDGS INC | 92645B103 | 1,075,202 | $67.8M | 3.87% |
| 6 | ODDITY TECH LTD | ODD | 1,523,204 | $61.2M | 3.50% |
| 7 | INDIE SEMICONDUCTOR INC | INDI | 17,216,584 | $60.8M | 3.47% |
| 8 | CELLEBRITE DI LTD | CLBT | 3,057,018 | $55.1M | 3.15% |
| 9 | ZETA GLOBAL HOLDINGS CORP | ZETA | 2,617,630 | $53.3M | 3.04% |
| 10 | MAREX GROUP PLC | MRX | 1,376,993 | $52.8M | 3.02% |
| 11 | MAGNITE INC | MGNI | 3,115,930 | $50.6M | 2.89% |
| 12 | GLOBAL E ONLINE LTD | GLBE | 1,191,892 | $46.9M | 2.68% |
| 13 | LIFE TIME GROUP HOLDINGS INC | LTH | 1,659,572 | $44.1M | 2.52% |
| 14 | MODINE MFG CO | 607828100 | 326,474 | $43.6M | 2.49% |
| 15 | AXON ENTERPRISE INC | AXON | 75,714 | $43.0M | 2.46% |
| 16 | KURA SUSHI USA INC | KRUS | 787,108 | $41.2M | 2.35% |
| 17 | PHREESIA INC | PHR | 2,399,613 | $40.6M | 2.32% |
| 18 | SPORTRADAR GROUP AG | SRAD | 1,670,471 | $39.7M | 2.27% |
| 19 | KORNIT DIGITAL LTD | KRNT | 2,569,663 | $37.0M | 2.11% |
| 20 | TOAST INC | TOST | 1,037,146 | $36.8M | 2.10% |