Thirdbase Capital Overview

  • Investor Type
  • Venture Capital

  • Status
  • Active

  • Professionals
  • 2

Professionals

  • Investments
  • 43

  • Portfolio
  • 34

  • Exits
  • 11

Exits

Thirdbase Capital General Information

Company Description

Founded in 2019, Thirdbase Capital is a venture capital firm based in New York. The firm seeks to invest in technology sector companies.

Business Details

Formerly Known As
535 West I, LLC, 535 West I LLC, 535 West I Limited Liability Company, 535West
Year Founded
2019
Investor Status
Actively Seeking New Investments
Primary Investor Type
Venture Capital
Other Investor Types
Growth/Expansion
Corporate Office
  • 535 West 23rd Street
  • Unit SPH1P
  • New York, NY 10011
  • United States
+1 (716)

Thirdbase Capital Investments (43)

Company Name Deal Date Deal Type Deal Size Industry Company Stage Lead Partner
Jeeves 13-Jul-2026 Later Stage VC Other Financial Services Generating Revenue
Kalshi 21-May-2026 Brokerage Generating Revenue
Anthropic 12-Feb-2026 Business/Productivity Software Generating Revenue/Not Profitable
Apptronik 11-Feb-2026 Other Hardware Generating Revenue
Crusoe 24-Oct-2025 Systems and Information Management Generating Revenue
Reflection AI 09-Oct-2025 Software Development Applications Generating Revenue
Colossal 17-Sep-2025 Biotechnology Generating Revenue
Aven (Consumer Finance) 09-Sep-2025 Consumer Finance Generating Revenue
Groq 22-Aug-2025 Later Stage VC Application Specific Semiconductors Generating Revenue
Perplexity 02-Jul-2025 Later Stage VC Business/Productivity Software Generating Revenue
You’re viewing 10 of 43 investments. Get the full list »

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Thirdbase Capital Exits (11)

Company Name Exit Date Exit Type Exit Size
SpaceX 12-Jun-2026 IPO
Groq 23-Feb-2026
Rapid (Software Development Applications) 13-Nov-2024
MetaMap (Business/Productivity Software) 11-Jun-2024
Rubrik 12-Apr-2024
Petal. 09-Apr-2024
LTSE 01-Apr-2023
Palantir Technologies 30-Sep-2020 IPO
Cover (Financial Software) Bankruptcy: Liquidation
You’re viewing 9 of 11 exits. Get the full list »

Thirdbase Capital Investments by Industry, Year, and Region

Investments by Industry

Investments by Year

Investments by Region

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Thirdbase Capital Co-Investors (605)

Name With Exits Lead Partner Series Industry
Founders Fund 6 Series chart Industry bar
NVIDIA Series chart Industry bar
Tiger Global Management Series chart Industry bar
GIC Private Series chart Industry bar
Sequoia Capital Series chart Industry bar
You’re viewing 5 of 605 co-investors. Get the full list »

Thirdbase Capital FAQs

  • What is Thirdbase Capital?

    Founded in 2019, Thirdbase Capital is a venture capital firm based in New York.

  • When was Thirdbase Capital founded?

    Thirdbase Capital was founded in 2019.

  • Where is Thirdbase Capital headquartered?

    Thirdbase Capital is headquartered in New York, NY.

  • How many investments has Thirdbase Capital made?

    Thirdbase Capital has made 43 investments.

  • What has Thirdbase Capital invested in?

    Thirdbase Capital has made numerous investments in companies like Jeeves, Kalshi, and Anthropic within the Financial Services, Brokerage, and Business/Productivity Software industries.

  • What has Thirdbase Capital invested in recently?

    Thirdbase Capital's latest investment was on 13-Jul-2026 in Jeeves, a company within the Financial Services industry.

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