Castle Island Ventures Overview
- Investor Type
-
Venture Capital
- Status
-
Active
- Professionals
-
5
- Investments
-
171
- Portfolio
-
90
- Exits
-
35
Castle Island Ventures General Information
Company Description
Founded in 2018, Castle Island Ventures is a venture capital firm based in Boston, Massachusetts. The firm seeks to invest in startups focusing on public blockchains, infrastructure, and applications sectors.
Business Details
Website
castleisland.vcYear Founded
Investor Status
Trade Association
Primary Investor Type
Corporate Office
- 125 High Street
- Boston, MA 02110
- United States
Castle Island Ventures Investments (171)
| Company Name | Deal Date | Deal Type | Deal Size | Industry | Company Stage | Lead Partner |
|---|---|---|---|---|---|---|
| Birch Hill Holdings | 15-Sep-2026 | Seed Round | Other Financial Services | Generating Revenue | ||
| Félix | 01-Sep-2026 | Other Financial Services | Generating Revenue | |||
| Groma | 01-Sep-2026 | Real Estate Services (B2C) | Generating Revenue | |||
| Birdai (Financial Services) | 29-Jul-2026 | Other Financial Services | Generating Revenue | |||
| Cyclops | 15-Jul-2026 | Financial Software | Generating Revenue | |||
| OpenFX | 31-Mar-2026 | Financial Software | Generating Revenue | |||
| XFX | 26-Mar-2026 | Other Financial Services | Generating Revenue | |||
| Cyclops | 04-Mar-2026 | Financial Software | Generating Revenue | |||
| Erebor Bank | 13-Feb-2026 | Seed Round | Other Commercial Banks | Generating Revenue | ||
| Valinor | 05-Feb-2026 | Seed Round | Specialized Finance | Startup |
Castle Island Ventures Exits (35)
| Company Name | Exit Date | Exit Type | Exit Size |
|---|---|---|---|
| Perch (Publishing) | 30-Oct-2026 | Out of Business | |
| Sova Labs | 27-Oct-2026 | ||
| RockSolid | 15-Oct-2026 | ||
| Revv | 19-Sep-2026 | ||
| SoundMint | 15-Aug-2026 | ||
| edisyl | 01-Jul-2026 | ||
| Alkimiya | 24-Apr-2026 | ||
| Hata | 20-Apr-2026 | ||
| Endstate | 31-Dec-2025 | Merger/Acquisition | |
| Fordefi | 25-Nov-2025 | Merger/Acquisition |
Castle Island Ventures Investments by Industry, Year, and Region
Investments by Industry
Investments by Year
Investments by Region
Castle Island Ventures Co-Investors (972)
| Name | With | Exits | Lead Partner | Series | Industry |
|---|---|---|---|---|---|
| Coinbase Ventures | 15 |
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| Galaxy Ventures (New York) |
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| F-Prime |
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| Wintermute Ventures |
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| Archetype Fund |
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Castle Island Ventures FAQs
-
What is Castle Island Ventures?
Founded in 2018, Castle Island Ventures is a venture capital firm based in Boston, Massachusetts.
-
When was Castle Island Ventures founded?
Castle Island Ventures was founded in 2018.
-
Where is Castle Island Ventures headquartered?
Castle Island Ventures is headquartered in Boston, MA.
-
What is Castle Island Ventures's total asset value?
Castle Island Ventures has around in total assets under management.
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How many investments has Castle Island Ventures made?
Castle Island Ventures has made 171 investments.
-
What has Castle Island Ventures invested in?
Castle Island Ventures has made numerous investments in companies like Birch Hill Holdings, Félix, and Groma within the Financial Services and Real Estate Services (B2C) industries.
-
What has Castle Island Ventures invested in recently?
Castle Island Ventures's latest investment was on 15-Sep-2026 in Birch Hill Holdings, a company within the Financial Services industry.
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