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Peter Thiel, primarily through Founders Fund, focuses on investing in early-stage and growth-stage technology companies. Their strategy emphasizes backing founders building breakthrough technologies that create new industries, often taking contrarian positions with a long-term perspective.
Average disclosed round size is $34.3M (across 12 rounds with reported amounts).
Portfolio
17
Fund Size
$12.5B
Top Stage
Series A
Last 12 Mo
0
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
17 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| RRhea | Unknown | $10M | May 2024 |
 Quantum Systems | Series B | $63.6M | Oct 2023 |
| GGeneration Prime | Seed | — | May 2023 |
 QA Wolf | Series B | $20M | Sep 2022 |
 28 | Seed | $3.2M | Aug 2022 |
| IInflection Points | Series A | $12.6M | Jul 2022 |
 ATAI Life Sciences | Seed | $24M | Mar 2020 |
 Advano | Series A | $18.5M | Jan 2020 |
| SSpark Neuro | Series A | $13.5M | Aug 2018 |
| BBloodhound | Series A | $3M | Jan 2013 |
| RREGENT Craft | Unknown | — | — |
 Regent | Series A | $18M | — |
| RReady.net | Unknown | — | — |
 3T Biosciences | Seed | — | — |
| SStark | Unknown | $100M | — |
| AATAI | Series C | — | — |
| ATAI Life Sciences | Series C | $125M | — |
Top Co-Investors
Y Combinator2 shared
Apeiron Investment Group2 shared
Learn Capital1 shared
Lockheed Martin Ventures1 shared
Yamato Holdings1 shared
JAM Fund1 shared
Shamrock Ventures1 shared
LifeX1 shared
Blue Lion Global1 shared
FJ Labs1 shared
Notation Capital1 shared
Inspired Capital1 shared
Operator Partners1 shared
HV Capital1 shared
DTCP1 shared
Project A Ventures1 shared
Omnes Capital1 shared
Airbus Ventures1 shared
Sequoia Capital1 shared
Fifth Down Capital1 shared
Last updated: 15 April 2026