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Tom Callahan

Syndicate lead · New York City, NY

Tom Callahan is a syndicate lead based in New York City, NY focused on AI & ML, Media, Gaming & Creator, investing at pre-seed, seed stage. Tom Callahan has 5 funds and deal vehicles on SEC file, including 5 single-deal SPVs. Estimated typical check: $1.76M–$22.9M. Tom Callahan's latest dated investing activity was in Aug 2025.

Why Tom Callahan is listed

Named as the only individual (executive officer) on the Form D for Avo AI III Groq a Series of SecondMarket Growth LLC, a $20.7M venture SPV (Aug 2025) (5 vehicles on file).

Source: SEC Form D: Avo AI III Groq a Series of SecondMarket Growth LLC (Aug 14, 2025) · 4 more sources

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Stages
Pre-seed, Seed
Typical check (est.)
$1.76M–$22.9M
Latest fund
SPVs only
Latest dated activity
Aug 2025

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What does Tom Callahan invest in?

AI & MLMedia, Gaming & Creator

What has Tom Callahan invested in recently?

  • Avo AI III Groq

    Deal vehicle; company not disclosed

    Aug 2025

  • PRCNR I June 2025

    Deal vehicle; company not disclosed

    Aug 2025

Funds and deal vehicles Tom Callahan filed with the SEC

  • Avo AI III Groq a Series of SecondMarket Growth LLC

    Deal vehicle · $20.7M offering

    Aug 2025

  • PRCNR I June 2025 a Series of SecondMarket Growth LLC

    Deal vehicle · $1.05M offering

    Aug 2025

  • TV AI Fund IA a Series of SecondMarket Growth LLC

    Deal vehicle · $22.9M offering

    Jul 2025

  • TV AI Fund IB a Series of SecondMarket Growth LLC

    Deal vehicle · $1.76M offering

    Jul 2025

  • Fund COHS-1 a Series of SecondMarket Growth LLC

    Deal vehicle · $5.99M offering

    Jul 2025

Sources

Data refreshed from public sources Oct 15, 2026. Is this you? Remove or correct this profile.