About Sam Altman
Sam Altman is an angel investor based out of San Francisco, United States. Their journey in the startup ecosystem started in 2005 through Loopt. Sam Altman has founded 1 company. They are currently acting as the, and as the co-founder of Loopt. As an angel investor, Sam Altman has a portfolio of 58 companies, focusing primarily on sectors like Enterprise Applications, High Tech and 26 more sectors. They invest in companies across United States, Pakistan and 2 more. Their most notable investments include companies like Stripe and Instacart.
Key Metrics
Location
San Francisco, United States
Founded
Top sectors of Investment
Top locations of Investment
Contact Details
Sam Altman's Investments
Sam Altman has invested in 58 companies. Their most recent investment was in Preventive (Angel Round) on Nov 14, 2025. Their investments are primarily in Enterprise Applications, High Tech and 26 more sectors. Their investment portfolio include companies in United States, Pakistan and 2 more.Here is the list of recent investments by Sam Altman:
Date | Company | Round | Round Amount | Co-Investors |
|---|---|---|---|---|
Nov 14, 2025 | Angel | $30M | ||
Nov 13, 2025 | Series A | $50M | ||
Aug 09, 2024 | Series B | $40M | ||
Jun 17, 2024 | Seed | $6.3M |
Sam Altman's Portfolio Exits
Here is the list of top portfolio exits by Sam Altman:
Company | Description | Location | Total Funding | Founded Year | Exit Type | Exit Date |
|---|---|---|---|---|---|---|
Operator of an online marketplace providing grocery and delivery services | San Francisco (United States) | $2.93B | 2012 | IPO | Sep 19, 2023 | |
Community based discussion platform | San Francisco (United States) | $1.62B | 2005 | Acquisition | Oct 31, 2006 | |
Cloud-based platform offering project management software | San Francisco (United States) | $453M | 2008 | IPO | Oct 02, 2020 | |
Platform offering solutions for autonomous car | San Francisco (United States) | $7.72B | 2013 | Acquisition | Mar 11, 2016 |
Sam Altman's Portfolio Unicorns
Here is the list of top portfolio unicorns by Sam Altman:
Company | Short Description | Total Funding | Founded Year | Current Stage | Location |
|---|---|---|---|---|---|
Provider of financial infrastructure solutions for revenue growth and payment processing | $9.81B | 2010 | Series I | San Francisco | |
Provider of a reward-based crowdfunding platform for musicians and content creators | $412M | 2013 | Series F | San Francisco |
Sam Altman's Founded Companies
Sam Altman has founded Loopt.
Here is the detail of this founded company:
Company | Short Description | Total Funding | Founded Year | Current Stage | Location |
|---|---|---|---|---|---|
Location sharing social networking app | $39.1M | 2005 | Acquired | Mountain View |
Sam Altman's Top News
•
OpenAI CEO Sam Altman starts to piss off Silicon Valley VCsQuartz•Mar 27, 2024•OpenAI, SEC, Microsoft, Sam Altman
•
•
FAQs about Sam Altman
Recently updated other profiles
