Sector portfolio · Angel investor · United States
Sam Altman's AI portfolio
Sam Altman has backed 10 AI startups in rounds we track, $2.3B between them, shown by the stage each has reached. The best-funded is Cruise.
Funding by segment
- Pre-seed and seed$162M5
- Stage not reported$2.1B3
- Series A$30M2
Where they are based
- United States10$2.3B
United StatesFounded
3 without a founding year on record.
Total raised
- Under $1M0
- $1M to $10M3
- $10M to $50M4
- $50M to $250M2
- $250M to $1B0
- $1B and over1
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
7 of 10 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United States10
Startups by country, 1 country in all.
Segment by segment
Pre-seed and seed
5 startups · $162M raised
- EEveUnited States$107M
- CContextConText offers conservation services for historic textiles, costume, and contemporary fiber art.United States$31M
Red Queen BioRed Queen Bio is an AI biosecurity company based in Boston, Massachusetts, founded in 2025.United States$15M
Software Applications IncorporatedRethinking the personal computing experienceUnited States$6.5M
NOYACKNOYACK is an agentic AI company that helps users with wealth management and offers personalized financial guidance.United States$3.0M
Stage not reported
3 startups · $2.1B raised
CruiseUnited States$2.0B
VicariousVicarious is an artificial intelligence company that uses the computational principles of the brain to develop general intelligence.United States$122M
Spring DiscoverySpring Discovery accelerates the discovery of therapies for aging by targeting the biological processes of aging itself.United States$4.3M
Series A
2 startups · $30M raised
Rewind AIRewind AI provides a Mac app that captures and searches through everything seen, said, or heard on a device.United States$18M
Arkham IntelligenceArkham Intelligence provides intelligence on cryptocurrency networks and the entities behind them.United States$12M
How this map is made. Every startup here works in AI and has raised money in a round we track that names Sam Altman as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.
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