United States · 
Who invested in Gray Swan?
Gray Swan's investors include Madrona Venture Group, Samsung Next, Wing Venture Capital and Obvious Ventures.
United States · Series A startup
Who invested in Gray Swan
Funding summaryUpdated 26 Oct 2026
$40Mraised across 1 round since 2026, from 1 source
- Latest round
- Series A, $40MMay 2026
- Investors
- 4
The rounds
- May 2026
Founders and team
From Gray Swan's own website: 2 founders, 2 on the team.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 2 firms list Gray Swan 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 Gray Swan
How much has Gray Swan raised?
Gray Swan has raised $40M across 1 round since 2026.
When did Gray Swan last raise?
Gray Swan's most recent round was a Series A of $40M in May 2026.
What was Gray Swan's biggest round?
Its most recent round, $40M in May 2026, is also its largest on record.
Who backed Gray Swan first?
Gray Swan's first round on record, in May 2026, was backed by Madrona Venture Group, Samsung Next and Wing Venture Capital and 1 others.
What stage is Gray Swan at?
Gray Swan's latest named round is a Series A, in May 2026.
Where is Gray Swan based?
Gray Swan is based in the United States.
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In the same sector, and raised in the last eighteen months.
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