Castle Fund Partners

Investor type

VC

Founded

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AUM

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Location

United States

Investment Ticket

$1-5 m

Investment Stage

Seed Series B

Region of investment

North America South America Europe Asia
Investor profile last updated: 18 August, 2026

Profile

Castle provides turnkey cryptoasset index solutions for institutions.

Industry

Fintech Blockchain/Crypto

Contacts

Name
Title
Email
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Matthew Sitzmann -
-
-
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Investment-team contacts for Castle Fund Partners — including verified work emails and LinkedIn profiles — are available to Private Equity List subscribers.
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FAQs about Castle Fund Partners

Castle Fund Partners is a venture capital firm. It backs companies at Seed and Series B, writing tickets of $1-5 m.
Castle Fund Partners is located in United States.
Castle Fund Partners was founded in .
Castle Fund Partners invests in companies and startups in Fintech, Blockchain/Crypto.
Castle Fund Partners invests in companies and startups in North America, South America, Europe, Asia.
Castle Fund Partners invests in companies and startups at Seed, Series B.
Castle Fund Partners usually invests $1-5 m on average.
Castle Fund Partners can be reached through its website castle.associates. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for Castle Fund Partners — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
Yes. Every field on this page — profile, funds, investment criteria, portfolio and investment-team contacts — is available programmatically through the Private Equity List REST API and MCP server, so AI assistants such as Claude and ChatGPT can query Castle Fund Partners directly instead of scraping this page. One subscription covers both the web app and machine access — see API & MCP.
Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 18 August, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.