# Thinking Machines Lab funding: rounds and investors > Thinking Machines Lab has raised $4.0B across 3 rounds since 2025. Investors include Andreessen Horowitz, Accel and NVIDIA. Every round with its source. Source: https://millionrounds.com/company/thinking-machines-lab (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *Thinking Machines Lab* 3 rounds we have observed, with the 11 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. AI Raised 8 months ago Valuation: $10B, Mar 2026 Follow Thinking Machines Lab and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fthinking-machines-lab) Funding summary Updated 5 Nov 2026 **$4.0B** raised across 3 rounds since 2025, from 11 sources **$2.0B** Seed **$2.0B** Series A - **Latest round:** Venture Mar 2026 - **Biggest round:** $2.0B Series A · Jul 2025 - **Investors:** 11 (1 led) See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2026 **$2.0B** Seed **$2.0B** Series A **?** Venture - **First round:** Seed, $2.0B - **Biggest round:** $2.0B - **Usual gap between rounds:** 8 months ## The rounds - **Mar 2026** Venture **Amount undisclosed** *2 new* *3 returning* [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Accel](https://millionrounds.com/fund/accel) [NVIDIA](https://millionrounds.com/fund/nvidia) [DVC](https://millionrounds.com/fund/dvc-2) [Conviction](https://millionrounds.com/fund/conviction) Source recorded - **Jul 2025** Series A **$2.0B** *6 new* *1 returning* [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) Lead [Accel](https://millionrounds.com/fund/accel) [NVIDIA](https://millionrounds.com/fund/nvidia) [Cisco](https://millionrounds.com/fund/cisco) [Jane Street](https://millionrounds.com/fund/jane-street) [ServiceNow](https://millionrounds.com/fund/servicenow) [AMD](https://millionrounds.com/fund/amd) Reported by TechCrunch and 2 others - **Apr 2025** Seed **$2.0B** *3 new* [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) Lead [Conviction](https://millionrounds.com/fund/conviction-4) [Sarah Guo's Conviction Partners](https://millionrounds.com/fund/sarah-guo-s-conviction-partners) Reported by Crunchbase News and 6 others ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Seed** 2025 **Series A** 2025 **Venture** 2026 [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) L L [Accel](https://millionrounds.com/fund/accel) [NVIDIA](https://millionrounds.com/fund/nvidia) [Cisco](https://millionrounds.com/fund/cisco) [DVC](https://millionrounds.com/fund/dvc-2) [Conviction](https://millionrounds.com/fund/conviction) [Jane Street](https://millionrounds.com/fund/jane-street) [Conviction](https://millionrounds.com/fund/conviction-4) [ServiceNow](https://millionrounds.com/fund/servicenow) [AMD](https://millionrounds.com/fund/amd) ## Everyone who backed them [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **3** rounds, led 2 [Accel](https://millionrounds.com/fund/accel) VC firm **2** rounds [NVIDIA](https://millionrounds.com/fund/nvidia) Company **2** rounds [Cisco](https://millionrounds.com/fund/cisco) Corporate VC **1** round [DVC](https://millionrounds.com/fund/dvc-2) VC firm **1** round [Conviction](https://millionrounds.com/fund/conviction) VC firm **1** round [Jane Street](https://millionrounds.com/fund/jane-street) Growth equity **1** round [Conviction](https://millionrounds.com/fund/conviction-4) VC firm **1** round [ServiceNow](https://millionrounds.com/fund/servicenow) Corporate VC **1** round [AMD](https://millionrounds.com/fund/amd) Growth equity **1** round [Sarah Guo's Conviction Partners](https://millionrounds.com/fund/sarah-guo-s-conviction-partners) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=thinking-machines-lab). ## Also claim to have backed them These 6 firms list Thinking Machines Lab as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [Bison Ventures](https://millionrounds.com/fund/bison-ventures-2) Private equity Per its own site [Factorial Funds](https://millionrounds.com/fund/factorial-funds) VC firm Per its own site [Page One Ventures](https://millionrounds.com/fund/page-one-ventures) VC firm Per its own site [Halcyon Futures](https://millionrounds.com/fund/halcyon-futures) Incubator Per its own site [Juniper Ventures](https://millionrounds.com/fund/juniper-ventures) VC firm Per its own site [Very Serious Ventures](https://millionrounds.com/fund/very-serious-ventures) Angel network Per its own site ## Quick answers about Thinking Machines Lab ### Who invested in Thinking Machines Lab? Thinking Machines Lab's investors include Andreessen Horowitz, Accel, NVIDIA, Cisco and DVC, and 6 more on record. ### How much has Thinking Machines Lab raised? Thinking Machines Lab has raised $4.0B across 3 rounds since 2025. One round did not disclose an amount, so the total is a floor. ### When did Thinking Machines Lab last raise? Thinking Machines Lab's most recent round was a Venture in Mar 2026. ### What was Thinking Machines Lab's biggest round? Thinking Machines Lab's largest round on record is $2.0B (Series A), in Jul 2025, led by Andreessen Horowitz. ### Who backed Thinking Machines Lab first? Thinking Machines Lab's first round on record, in Apr 2025, was backed by Andreessen Horowitz, Conviction and Sarah Guo's Conviction Partners. ### What stage is Thinking Machines Lab at? Thinking Machines Lab's latest named round is a Venture, in Mar 2026. ### Where is Thinking Machines Lab based? Thinking Machines Lab is based in the United States. ### Who led Thinking Machines Lab's rounds? Andreessen Horowitz led the Seed in 2025. ## Companies like Thinking Machines Lab In the same sector, and raised in the last eighteen months. [**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**e2e** $8.0M · Nov 2026](https://millionrounds.com/company/e2e)[**Agrani Labs** $123M · Nov 2026](https://millionrounds.com/company/agrani-labs)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app