Castle Island Ventures
CI
CA

Castle Island Ventures

6 portfolio

About

Key facts

At-a-glance profile data

Portfolio companies
6
Stages
Seed
Series C
Cheque size
$2M to $1.3B

Recent investments

Recent funding rounds Castle Island Ventures took part in
DateCompanyRoundAmount
23 Oct 2025Crusoe Energy Systems Inc.Series C$1.3B
20 Apr 2022Crusoe Energy Systems Inc.Undisclosed round$350M
9 Mar 2021Crusoe Energy Systems Inc.Undisclosed round$30M
18 Feb 2020Crusoe Energy Systems Inc.Undisclosed round$10M
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Frequently asked

What companies has Castle Island Ventures invested in?

Castle Island Ventures has invested in Crusoe Energy Systems Inc., Félix Pago, Coin Metrics, Unchained Tech, Pintu and 1 more.