United States · 
Who invested in Rad AI?
Rad AI's investors include Khosla Ventures, Gradient, Precursor Ventures, Artis Ventures (AV) and World Innovation Lab Wil, and 11 more on record.
202020212022202320242025
$4.0MSeed$50MSeries B$60MSeries C$8.0MSeries C
United States · Series C startup
Who invested in Rad AI
Funding summaryUpdated 26 Oct 2026
$122Mraised across 4 rounds since 2019, from 4 sources
$4.0MSeed$50MSeries B$60MSeries C$8.0MSeries C
- Latest round
- Series C, $8.0MMay 2025
- Biggest round
- $60MSeries C · Jan 2025
- Investors
- 16 (3 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
- Seed, $4.0M Nov 2019
- Biggest round
- $60M Series C · Jan 2025
- Usual gap between rounds
- 9 months the median of 3
The rounds
- May 2025Series C$8.0M2 new3 returning
Source recordedSEC filing: $73M sold, first sale Jan 2025
- Jan 2025Series C$60M2 new5 returning
Transformation CapitalLead
Khosla Ventures
World Innovation Lab Wil
Kickstart Seed Fund
OCV- UP2398
Cone Health
Reported by OCVSEC filing: $73M sold, first sale Jan 2025
- May 2024Series B$50M5 new1 returning
Reported by OCV
- Nov 2019Seed$4.0M7 new
Reported by FinSMEs
Founders and team
From Rad AI's own website: 1 founder, 4 on the team.
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.
Seed2019Series B2024Series C2025Series C2025Khosla VenturesL
GradientL
Precursor Ventures
Artis Ventures (AV)World Innovation Lab WilKickstart Seed FundOCVUP2398Transformation CapitalLKickstart
Khosla VenturesLGradientLPrecursor VenturesArtis Ventures (AV)World Innovation Lab WilKickstart Seed FundOCVUP2398Transformation CapitalLKickstartEveryone who backed them
UP2398VC firm2rounds
Fifty Years VCno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 6 firms list Rad AI 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 Rad AI
How much has Rad AI raised?
Rad AI has raised $122M across 4 rounds since 2019.
When did Rad AI last raise?
Rad AI's most recent round was a Series C of $8.0M in May 2025.
What was Rad AI's biggest round?
Rad AI's largest round on record is $60M (Series C), in Jan 2025, led by Transformation Capital.
Who backed Rad AI first?
Rad AI's first round on record, in Nov 2019, was backed by Gradient, Precursor Ventures and GMO VenturePartners and 4 others.
What stage is Rad AI at?
Rad AI's latest named round is a Series C, in May 2025.
Where is Rad AI based?
Rad AI is based in the United States.
Who led Rad AI's rounds?
Gradient led the Seed in 2019; Khosla Ventures led the Series B in 2024; Transformation Capital led the Series C in 2025.
Companies like Rad AI
In the same sector, and raised in the last eighteen months.
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