Thirdbase

Syndicate · New York, NY

Verified active in the last 12 monthsSEC-registered adviser

Investment syndicate based in New York, NY. 27 deal vehicles (SPVs) filed with the SEC since Apr 2024.

Stages
Pre-seed, Seed
Typical check (est.)
$675K–$5.25M
Latest fund
None on file
Last verified activity
Mar 2026

Focus

B2B Software

Recent portfolio activity

Funds and vehicles on SEC file

  • Thirdbase Opportunity LP - Series XA

    Deal vehicle · $4.5M offering

    Mar 2026
  • Thirdbase Opportunity LP - Series SX II

    Deal vehicle · $28.4M offering

    Mar 2026
  • Thirdbase Opportunity LP - Series KI

    Deal vehicle · $2.3M offering

    Mar 2026
  • Thirdbase Opportunity LP - Series ER II

    Deal vehicle · $4.9M offering

    Mar 2026
  • Thirdbase Opportunity LP - Series DB

    Deal vehicle · $1.25M offering

    Mar 2026
  • Thirdbase Opportunity LP - Series AP II

    Deal vehicle · $550K offering

    Nov 2025
  • Thirdbase Opportunity LP - Series PP

    Deal vehicle · $1.5M offering

    Nov 2025
  • Thirdbase Opportunity LP - Series CB

    Deal vehicle · $900K offering

    Nov 2025
  • Thirdbase Opportunity LP - Series OA

    Deal vehicle · $24.5M offering

    Nov 2025
  • Thirdbase Opportunity LP - Series GQ

    Deal vehicle · $10M offering

    Nov 2025

Sources

Profile last verified Oct 12, 2026. Is this you? Correct or remove this profile.