# Nous Research funding: rounds and investors > Nous Research has raised $215M across 3 rounds since 2025. Investors include Robot Ventures, Union Square Ventures and Y Combinator. Source: https://millionrounds.com/company/nous-research (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *Nous Research* 3 rounds we have observed, with the 10 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 Open Source Raised 1 month ago Follow Nous Research and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fnous-research) Funding summary Updated 5 Nov 2026 **$215M** raised across 3 rounds since 2025, from 8 sources **$50M** Series A **$75M** Series B **$90M** Series B - **Latest round:** Series B, $90M Oct 2026 - **Led by:** Robot Ventures - **Step-up i:** 1.2× - **Investors:** 10 (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 **$50M** Series A **$75M** Series B **$90M** Series B - **First round:** Series A, $50M - **Biggest round:** $90M - **Usual gap between rounds:** 15 months ## The rounds - **Oct 2026** Series B **$90M** *5 new* *2 returning* [Robot Ventures](https://millionrounds.com/fund/robot-ventures) Lead [Y Combinator](https://millionrounds.com/fund/y-combinator) [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) [M12](https://millionrounds.com/fund/m12) [Samsung](https://millionrounds.com/fund/samsung) [1789 Capital](https://millionrounds.com/fund/1789-capital) Reported by Firms' own news pages and 5 others - **Jul 2026** Series B **$75M** *1 new* *1 returning* [Robot Ventures](https://millionrounds.com/fund/robot-ventures) Lead [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) Reported by TechCrunch - **Apr 2025** Series A **$50M** *4 new* [Paradigm](https://millionrounds.com/fund/paradigm) [Robot Ventures](https://millionrounds.com/fund/robot-ventures) [Balaji Srinivasan](https://millionrounds.com/fund/balaji-srinivasan) [North Island Ventures](https://millionrounds.com/fund/north-island-ventures) Source recorded ## 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. **Series A** 2025 **Series B** 2026 **Series B** 2026 [Robot Ventures](https://millionrounds.com/fund/robot-ventures) L L [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) [Y Combinator](https://millionrounds.com/fund/y-combinator) [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) [M12](https://millionrounds.com/fund/m12) [Paradigm](https://millionrounds.com/fund/paradigm) [Balaji Srinivasan](https://millionrounds.com/fund/balaji-srinivasan) [North Island Ventures](https://millionrounds.com/fund/north-island-ventures) [Samsung](https://millionrounds.com/fund/samsung) [1789 Capital](https://millionrounds.com/fund/1789-capital) ## Everyone who backed them [Robot Ventures](https://millionrounds.com/fund/robot-ventures) VC firm **3** rounds, led 2 [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) VC firm **2** rounds [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) VC firm **1** round [M12](https://millionrounds.com/fund/m12) Corporate VC **1** round [Paradigm](https://millionrounds.com/fund/paradigm) VC firm **1** round [Balaji Srinivasan](https://millionrounds.com/fund/balaji-srinivasan) VC firm **1** round [North Island Ventures](https://millionrounds.com/fund/north-island-ventures) VC firm **1** round [Samsung](https://millionrounds.com/fund/samsung) VC firm **1** round [1789 Capital](https://millionrounds.com/fund/1789-capital) Private equity **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=nous-research). ## Also claim to have backed them These 5 firms list Nous Research 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. [Faction](https://millionrounds.com/fund/lightspeed-faction) VC firm Per its own site [Cadenza Ventures](https://millionrounds.com/fund/cadenza) Private equity Per its own site [Collab+Currency](https://millionrounds.com/fund/collab-currency) VC firm Per its own site [Mozilla Ventures](https://millionrounds.com/fund/mozilla-ventures) VC firm Per its own site [Lambda Class](https://millionrounds.com/fund/lambda-class) Growth equity Per its own site ## Quick answers about Nous Research ### Who invested in Nous Research? Nous Research's investors include Robot Ventures, Union Square Ventures, Y Combinator, Menlo Ventures and M12, and 5 more on record. Robot Ventures led its latest round. ### How much has Nous Research raised? Nous Research has raised $215M across 3 rounds since 2025. ### When did Nous Research last raise? Nous Research's most recent round was a Series B of $90M in Oct 2026, led by Robot Ventures. ### What was Nous Research's biggest round? Its most recent round, $90M in Oct 2026, is also its largest on record. ### Who backed Nous Research first? Nous Research's first round on record, in Apr 2025, was backed by Paradigm, Robot Ventures and Balaji Srinivasan and 1 others. ### What stage is Nous Research at? Nous Research's latest named round is a Series B, in Oct 2026. ### Where is Nous Research based? Nous Research is based in the United States. ### Who led Nous Research's rounds? Robot Ventures led the Series B in 2026. ## Companies like Nous Research 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