Organization · Private Equity
Thirdbase Capital
Thirdbase Capital is a global private markets investment firm based in New York, focusing on high-conviction investments in transformative technology companies at pivotal stages of growth.
Overview
What Thirdbase Capital does
What Thirdbase Capital is
Thirdbase Capital is a global private markets investment firm based in New York, focusing on high-conviction investments in transformative technology companies at pivotal stages of growth.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Private Equity
- Structured capabilities
- Funder
- Last reviewed
- March 4, 2026
Official channels
Find Thirdbase Capital elsewhere
Open the official website or a supported primary organization account.
Capability profile
Thirdbase Capital as a funder
Investment thesis
Thirdbase Capital invests in private technology companies, primarily targeting transformative sectors and stages of growth. The firm emphasizes structured opportunities in later stages and co-investment with aligned investors.
Focus narrative
Thirdbase Capital invests in private technology companies, primarily in sectors such as fintech, AI, biotechnology, cloud infrastructure, health tech, robotics, cybersecurity, consumer tech, and renewable energy. The firm focuses on Series A and beyond, with a collaborative approach to co-investment opportunities.
Focus and fit
- Stages
- Series A · Series B · Series C · Growth Equity
- Sectors
- Fintech · AI · Biotech · Cloud Infrastructure · Healthcare · Robotics · Cybersecurity · Consumer · Renewable Energy
- Regions
- Global
Availability
- Currently deploying
- Not published
Portfolio and track record
- Recorded portfolio count
- 30
Portfolio context
Thirdbase Capital has invested in over 30 portfolio companies across various sectors. In fintech, they are developing multi-country rails and embeddable payment infrastructure. In AI, they have early investments in companies like OpenAI and PerplexityAI. Their biotechnology investments focus on innovative health solutions, while their cloud computing investments target growth-stage companies providing cloud infrastructure solutions.
Common questions
What to know about Thirdbase Capital
Upseed classifies Thirdbase Capital under the Private Equity organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
March 4, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.