Seth Weinstein is an angel investor based in Weston, Connecticut, United States. The known portfolio counts 10 companies: Kalshi, OpenSea, Atomic, Bimaplan, TRM Labs, Pier, AiPrise, Cashfree Payments, Hudson Labs and Pry Financials.
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Investment focus
- Focus
- Compliance & AMLCrypto MarketplacesDeveloper APIsIdentity VerificationLending & CreditPayments
Contacts
Seth Weinstein portfolio companies (10)
- Kalshi
- OpenSea
- Atomic
- Bimaplan
- TRM Labs
- Pier
- AiPrise
- Cashfree Payments
- Hudson Labs
- Pry Financials
Investor Profile
The listing covers sectors AI, Commerce, FinTech and SaaS, and focus areas Compliance & AML, Crypto Marketplaces, Developer APIs and Identity Verification. Startups operating in these areas may find Seth Weinstein relevant.
Seth Weinstein appears in Growth, Pre-Seed and Seed rounds across the known deals.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is Seth Weinstein?
Seth Weinstein is an angel investor based in Weston, Connecticut, United States with 10 known investments on file, among them Kalshi, OpenSea and Atomic. The sections above list the sectors and stages attached to that record.
What does Seth Weinstein invest in?
Listed sectors include AI, Commerce, FinTech and SaaS; listed focus areas include Compliance & AML, Crypto Marketplaces, Developer APIs and Identity Verification. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Seth Weinstein invest at?
The known deals of Seth Weinstein include Growth, Pre-Seed and Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Seth Weinstein?
A LinkedIn page is on file for Seth Weinstein. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal