United States · 
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.
2026
$50MSeries A$75MSeries B$90MSeries B
United States · Series B startup
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.
Raised 1 month ago
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Funding summaryUpdated 5 Nov 2026
$215Mraised across 3 rounds since 2025, from 8 sources
$50MSeries A$75MSeries B$90MSeries B
- Latest round
- Series B, $90MOct 2026
- Led by
- Robot Ventures
- Step-upi
- 1.2×
- Investors
- 10 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $50M Apr 2025
- Biggest round
- $90M Series B · Oct 2026
- Usual gap between rounds
- 15 months the median of 2
The rounds
- Oct 2026Series B$90M5 new2 returning
Reported by Firms' own news pages and 5 others
- Jul 2026
- Apr 2025
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 A2025Series B2026Series B2026
Robot VenturesLL
Union Square Ventures
Y Combinator
Menlo Ventures
M12
Paradigm
Balaji Srinivasan
North Island Ventures
Samsung
1789 Capital
Robot VenturesLLUnion Square VenturesY CombinatorMenlo VenturesM12ParadigmBalaji SrinivasanNorth Island VenturesSamsung1789 CapitalEveryone who backed them
Missing a round, or an investor who was in one? Tell us.
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.
Quick answers about Nous Research
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.
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