United States · 
Who invested in OpenEvidence?
OpenEvidence's investors include Sequoia Capital, Google Ventures, Coatue, Kleiner Perkins and Craft Ventures, and 9 more on record.
2026
$75MSeries A$200MGrowth$250MSeries D$250MSeries E
United States · Series E startup
Who invested in OpenEvidence
4 rounds we have observed, with the 14 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 2 months agoValuation: $6.0B, Mar 2026
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Funding summaryUpdated 5 Nov 2026
$775Mraised across 4 rounds since 2025, from 7 sources
$75MSeries A$200MGrowth$250MSeries D$250MSeries E
- Latest round
- Series E, $250MSept 2026
- Investors
- 14 (4 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, $75M Feb 2025
- Biggest round
- $250M Series E · Sept 2026
- Usual gap between rounds
- 7 months the median of 3
The rounds
- Sept 2026Series E$250M2 new3 returning
Source recorded
- Jan 2026Series D$250M4 new4 returning
Reported by Crunchbase News and 2 others
- Oct 2025Growth$200M7 new1 returning
Reported by TechCrunch and 1 other
- Feb 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 A2025Growth2025Series D2026Series E2026
Sequoia CapitalL
Google VenturesL
Coatue
Kleiner Perkins
Craft VenturesNVIDIA
Thrive CapitalLDSTL
Andreessen Horowitz
Bond
Sequoia CapitalLGoogle VenturesLCoatueKleiner PerkinsCraft VenturesNVIDIAThrive CapitalLDSTLAndreessen HorowitzBondEveryone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 17 firms list OpenEvidence 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 OpenEvidence
How much has OpenEvidence raised?
OpenEvidence has raised $775M across 4 rounds since 2025.
When did OpenEvidence last raise?
OpenEvidence's most recent round was a Series E of $250M in Sept 2026.
What was OpenEvidence's biggest round?
Its most recent round, $250M in Sept 2026, is also its largest on record.
Who backed OpenEvidence first?
OpenEvidence's first round on record, in Feb 2025, was backed by Sequoia Capital.
What stage is OpenEvidence at?
OpenEvidence's latest named round is a Series E, in Sept 2026.
Where is OpenEvidence based?
OpenEvidence is based in the United States.
Who led OpenEvidence's rounds?
Sequoia Capital led the Series A in 2025; Google Ventures led the Growth in 2025; Thrive Capital led the Series D in 2026.
Companies like OpenEvidence
In the same sector, and raised in the last eighteen months.
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