Castle Island Ventures
SEC exempt reporting adviser (venture capital exemption).
- Website
- http://www.castleisland.vc
- HQ
- MA
Limited data: profile built from SEC filings only.
New fund likely raising soon
The firm's newest fund is 4 to 7 years past its first sale and no newer Form D has been filed.
01 · Says / Does
| Tag | Says | Does |
|---|---|---|
| Stages | Not stated | Not enough dated deals |
| Sectors | Not stated | Not enough dated deals |
| Regions | Not stated | Not enough dated deals |
Says: what the firm's funds state. Does: from 0 dated deals in the last 24 months.
02 · Fund history
| Fund | Year | Size | Status |
|---|---|---|---|
| Castle Island Ventures III-A, L.P. | approx. 2022 | $100.16M (SEC adviser filing) | Late investment period |
| Castle Island Ventures III, L.P. | approx. 2022 | $146.24M (SEC adviser filing) | Late investment period |
| Castle Island Ventures II-A, L.P. | approx. 2020 | $23.09M (SEC adviser filing) | Follow-ons only |
03 · People across funds
No team members identified yet.
04 · Recent deals
No dated deals found yet.
05 · Latest from the firm
No news from the firm's website yet.
06 · Sources
Fund dates and sizes are from SEC Form D filings.
Last verified: Oct 28, 2026