Castle Island Ventures
2
Rounds
$11M
Invested
Portfolio
| Project | Category | Round | Amount | Date | Investors |
|---|---|---|---|---|---|
 cyclops | Blockchain Service | Strategic Round | $8.0M | Mar 4, 2026 |  F-Prime Capital Shift4Castle Island Ventures |
 birch hill | Finance | Pre-seed | $2.5M | Feb 11, 2026 |  Ramin Kamfar enzo Escape Velocity+11 more |