VC firm
Thirdbase Capital
Also known as Thirdbase B SD, Thirdbase B SD Opportunity LLC, Thirdbase Opportunity Cov, Thirdbase Opportunity Cov, LLC, Thirdbase Opportunity LP - Series AP II, Thirdbase Opportunity LP - Series APP II, Thirdbase Opportunity LP - Series ER II, Thirdbase Opportunity LP - Series SX II
- Investor type
- VC
- Investing status
- Activeas of 2026-09-20Source (opens in a new tab)
- Headquarters
- NEW YORK, NY, United States
- Assets under management
- $284MForm ADV private fund GAV, as of 2026-03-31Source (opens in a new tab)
- Latest fund size
- $4.9MSEC amount sold, vintage 2026
- Funds
- 56
- Legal name
- THIRDBASE CAPITAL GP, LLC
Claim, correct or request removal
Record updated 29 September 2026
About
Thirdbase Capital is a global private markets investment firm focused on high-conviction investments in transformative technology companies.
Investment approach
- Investing status notes
- Thirdbase Capital is a global private markets investment firm focused on high-conviction investments in transformative technology companies.
Funds
- Thirdbase Opportunity LP - Series ER II
- $4.9MVintage 2026, Main fund, SEC amount sold
- Thirdbase Opportunity LP - Series SX II
- $28.4MVintage 2025, Main fund, SEC amount sold
- Thirdbase Opportunity LP - Series OA
- $24.5MVintage 2025, Main fund, SEC amount sold
- Thirdbase Opportunity LP - Series AP
- $16.4MVintage 2025, Main fund, SEC amount sold
- Thirdbase Opportunity LP - Series GQ
- $10MVintage 2025, SPV, SEC amount sold
- Thirdbase Opportunity LP - Series XA
- $4.5MVintage 2025, Main fund, SEC amount sold
- Thirdbase Opportunity LP - Series KI
- $2.3MVintage 2025, Main fund, SEC amount sold
- Thirdbase Opportunity LP - Series PP
- $1.5MVintage 2025, Main fund, SEC amount sold
- Thirdbase Opportunity LP - Series DB
- $1.2MVintage 2025, Main fund, SEC amount sold
- Thirdbase Opportunity LP - Series APP
- $1MVintage 2025, Main fund, SEC amount sold
- Thirdbase Opportunity LP - Series CB
- $900KVintage 2025, SPV, SEC amount sold
- Thirdbase Opportunity LP - Series APP II
- $676KVintage 2025, SPV, SEC amount sold
- More funds
- 44 more recorded
SEC registration
- Registered adviser
- THIRDBASE CAPITAL GP, LLC
- CRD number
- 318984 (opens in a new tab)
- SEC file number
- 802-123606
- Registration
- Exempt reporting adviser
- Regulatory AUM
- $284Mas of 2026-03-31
- Private funds reported
- 41
- SEC CIK
- 1867457, 1879654, 1881564
Loading relationship preview