Sam Altman

Angel

Entrepreneur and investor. Former president of Y Combinator (2014-2019), now CEO of OpenAI. Led Reddit's Series B as YC president.

Profile

Headquarters
San Francisco, US
Investments
16
Companies
13

Capital

Total Deployed
$1.2B
Lead Rounds
3

Portfolio

13 companies
Opendoor $1.3B
Public San Francisco, United States
Reddit $1.3B
Public San Francisco, US
Helion Energy $990M
Private Everett, USA
Wave $441M
Private Dakar, SN
Hermeus $319M
Private Los Angeles, United States
Cresta $276M
Private San Francisco, United States
Asana $213M
Public San Francisco, US
Heap $205M
Acquired San Francisco, US
Presto $102M
Private San Carlos, United States
Warp $73M
Private New York, United States
PlanGrid $59M
Acquired San Francisco, US
Clever $43M
Acquired San Francisco, US
Oklo $6M
Public Santa Clara, US

Investment data is compiled from multiple independent sources including company announcements, press coverage, and regulatory filings. While we strive for accuracy, amounts and dates may reflect reported figures at time of announcement.