Certified by Founder Lodge
Castle Island Ventures
United States - Cambridge, Massachusetts
INVESTOR
1 Disclosed Funding Rounds $50,000,000
20 Participating Investments
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Operating Status
Active
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Last Funding Type
Seed
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Company Type
For Profit
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Public blockchain and cryptoasset venture firm located in Cambridge, Massachusetts.
| Company | Date | Round | Raised |
|---|---|---|---|
 DUST Identity |
December, 06 ,2023 | Series B | $40,000,000 |
 Hidden Road |
July, 07 ,2022 | Series A | $50,000,000 |
 Andrena |
February, 28 ,2023 | Series A | $15,000,000 |
 Arch(US) |
August, 23 ,2024 | Unknown | $75,000,000 |
 Casa Inc. |
May, 11 ,2022 | Series A | $21,000,000 |
 HATA |
October, 23 ,2024 | Seed | $4,200,000 |
 Talos |
May, 10 ,2022 | Series B | $105,000,000 |
 CAT Labs |
April, 11 ,2023 | Unknown | $4,300,000 |
 Surus |
February, 26 ,2025 | Seed | $8,000,000 |
| DUST Identity |
December, 06 ,2023 | Series B | $40,000,000 |
 OpenFX |
May, 23 ,2025 | Unknown | $23,000,000 |
| Arch(US) |
August, 23 ,2024 | Unknown | $75,000,000 |
 Tesser |
October, 22 ,2025 | Seed | $4,500,000 |
| HATA |
October, 23 ,2024 | Seed | $4,200,000 |
| Surus |
February, 26 ,2025 | Seed | $8,000,000 |
| OpenFX |
May, 23 ,2025 | Unknown | $23,000,000 |
| Tesser |
October, 22 ,2025 | Seed | $4,500,000 |
 Project Eleven |
January, 16 ,2026 | Series A | $20,000,000 |
 Birch Hill Holdings |
February, 12 ,2026 | Seed | $2,500,000 |
 Cyclops |
March, 06 ,2026 | Unknown | $8,000,000 |
Cherry Ventures
Blue Bear Capital
Slow Ventures
Climate Capital
Eniac Ventures
Ernesta Inc. | $20,000,000 | (Mar 12, 2026)
Standard Kernel Co. | $20,000,000 | (Mar 12, 2026)
Option Circle | $3,000,000 | (Mar 12, 2026)
Translucent AI | $27,000,000 | (Mar 12, 2026)
zymtrace | $12,200,000 | (Mar 12, 2026)
