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Castle Island Ventures

Castle Island Ventures

Boston, Massachusettscastleisland.vc

Overview

Castle Island Ventures is a venture capital firm that focuses exclusively on early-stage investments in public blockchain infrastructure and application companies.

Year Founded

2018

Portfolio Companies

71

Investments

Castle Island Ventures investments
CompanyDateStageLead
CrusoeApr 2022Series CCo-investor
Category LabsApr 2024Series ACo-investor
Category LabsApr 2024Series ACo-investor
TRM LabsDec 2021Series BCo-investor
TalosJan 2026Series B ExtensionCo-investor
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Key People

Matthew Walsh

Founding Partner

Nic Carter

Founding Partner

Ria Bhutoria

General Partner

Richard Sgalardi

General Partner

Sean Judge

General Partner

Hunter Merghart

Venture Partner

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Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

Portfolio analytics

Caplight clients see full sector, stage and valuation breakdowns for this investor.

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

Portfolio analytics

Caplight clients see yearly investment pace and funding raised over time.

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FAQ

Where is Castle Island Ventures based?

Castle Island Ventures is headquartered in Boston, Massachusetts, United States.

When was Castle Island Ventures founded?

Castle Island Ventures was founded in 2018.

How many portfolio companies does Castle Island Ventures have?

Castle Island Ventures has 71 portfolio companies in Caplight's dataset.

What are some companies in Castle Island Ventures's portfolio?

Portfolio companies visible on Caplight include Crusoe, Category Labs, Category Labs, TRM Labs, Talos.

What was Castle Island Ventures's most recent investment shown here?

Castle Island Ventures's most recent investment in this portfolio sample was in Talos in 2026.

What sectors does Castle Island Ventures focus on?

Castle Island Ventures focuses on Crypto & Web3, Crypto & Web3, Crypto & Web3, Consumer & Commerce, FinTech, Crypto & Web3, Crypto & Web3, FinTech, Crypto & Web3, Crypto & Web3, FinTech, Real Estate & PropTech, Crypto & Web3, Crypto & Web3, Crypto & Web3, Crypto & Web3, Crypto & Web3, Crypto & Web3, Media, Entertainment & Gaming, Crypto & Web3, Crypto & Web3, Crypto & Web3, Crypto & Web3, Crypto & Web3, Crypto & Web3, Crypto & Web3, Crypto & Web3, Crypto & Web3, AI, Data & Cloud Infrastructure, Crypto & Web3, Crypto & Web3, Telecommunications & Networking, Real Estate & PropTech, Crypto & Web3, FinTech, Crypto & Web3, Crypto & Web3, Enterprise Software, AI, Data & Cloud Infrastructure, Crypto & Web3, Crypto & Web3, Consumer & Commerce, Crypto & Web3, Crypto & Web3, Crypto & Web3, Crypto & Web3, Crypto & Web3, Cybersecurity, Crypto & Web3, Crypto & Web3, Cybersecurity, AI, Data & Cloud Infrastructure, FinTech, Cybersecurity, Crypto & Web3, FinTech, FinTech, FinTech, Crypto & Web3, Crypto & Web3, FinTech, Crypto & Web3, FinTech, FinTech, Crypto & Web3, Telecommunications & Networking, AI, Data & Cloud Infrastructure, AI, Data & Cloud Infrastructure, FinTech, Enterprise Software, Enterprise Software, Crypto & Web3, FinTech, AI, Data & Cloud Infrastructure, Crypto & Web3, Crypto & Web3, Crypto & Web3, AI, Data & Cloud Infrastructure, FinTech, FinTech, Enterprise Software, Enterprise Software, Crypto & Web3, Crypto & Web3, Crypto & Web3, Frontier & Industrial Tech, Crypto & Web3, Crypto & Web3, Cybersecurity, Cybersecurity, FinTech, Crypto & Web3, Crypto & Web3, Cybersecurity, Crypto & Web3, Cybersecurity, Consumer & Commerce, Enterprise Software, FinTech, FinTech, AI, Data & Cloud Infrastructure, FinTech, Consumer & Commerce, Enterprise Software, FinTech, Crypto & Web3, Enterprise Software, Enterprise Software, Enterprise Software, AI, Data & Cloud Infrastructure, FinTech, FinTech, Energy & Sustainability, Enterprise Software, FinTech, FinTech, FinTech, FinTech, Cybersecurity, Enterprise Software, FinTech, FinTech, FinTech, FinTech, FinTech, FinTech, FinTech, FinTech, FinTech, FinTech, FinTech, Consumer & Commerce, FinTech, Healthcare & Life Sciences, Enterprise Software, FinTech, AI, Data & Cloud Infrastructure, AI, Data & Cloud Infrastructure, AI, Data & Cloud Infrastructure.

What company stages does Castle Island Ventures focus on?

Castle Island Ventures typically invests at the Early stage.

What is Castle Island Ventures's AUM?

Castle Island Ventures's assets under management are estimated between $250.0M and $500.0M.

Firmographic Details

HeadquartersBoston, Massachusetts
Year Founded2018

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