Founders Fund LLC
SEC exempt reporting adviser (venture capital exemption).
- Website
- https://foundersfund.com
- HQ
- CA
Founders Fund LLC is a venture firm with listed partners including Peter Thiel, Napoleon Ta, Trae Stephens, and Lauren Gross, who is Partner and COO. Its listed portfolio includes companies such as Spotify, Rippling, Affirm, Crusoe, Figma, SpaceX, Palantir, Stripe, and OpenAI.
01 · Says / Does
| Tag | Says | Does |
|---|---|---|
| Stages | Not stated | Not enough dated deals |
| Sectors | Not stated | Not enough dated deals |
| Regions | Not stated | Not enough dated deals |
Says: what the firm's funds state. Does: from 0 dated deals in the last 24 months.
02 · Fund history
| Fund | Year | Size | Status |
|---|---|---|---|
| Founders Fund Growth IV, LP | 2026 | $6024.59M (Form D) | Open, writing first checks |
| Founders Future II US, LP | 2025 | $8.28M (Form D) | Raising |
| Founders Fund Growth III, LP | 2025 | $4595.49M (Form D) | Open, writing first checks |
| Founders Fund IX, LP | 2023 | $971.58M (Form D) | Open, writing first checks |
| Mirian, LP | 2023 | $64.75M to $64.78M (Form D and SEC adviser filing) | Open, writing first checks |
| Founders Fund Growth II, LP | 2022 | $3431.15M (Form D) | Late investment period |
| Founders Fund VIII, LP | 2022 | $1927.77M (Form D) | Late investment period |
03 · People across funds
- Brian Singerman, Managing Member of the General Partner of the Issuers
Mirian, LP (Named on Form D); Founders Fund Growth II, LP (Named on Form D); Founders Fund VIII, LP (Named on Form D)
- Keith Rabois, Managing Member of the General Partner of the Issuers
Founders Fund Growth II, LP (Named on Form D); Founders Fund VIII, LP (Named on Form D)
- Marc Menase, Managing Member of the General Partner
Founders Future II US, LP (Named on Form D)
- Napoleon Ta, Partner
Founders Fund Growth IV, LP (Named on Form D); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Named on Form D); Founders Fund IX, LP (Named on Form D); Mirian, LP (Team); Founders Fund Growth II, LP (Named on Form D); Founders Fund VIII, LP (Team)
- Peter Thiel, Partner
Founders Fund Growth IV, LP (Named on Form D); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Named on Form D); Founders Fund IX, LP (Named on Form D); Mirian, LP (Named on Form D); Founders Fund Growth II, LP (Named on Form D); Founders Fund VIII, LP (Named on Form D)
- Trae Stephens, Partner
Founders Fund Growth IV, LP (Named on Form D); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Named on Form D); Founders Fund IX, LP (Named on Form D); Mirian, LP (Team); Founders Fund Growth II, LP (Team); Founders Fund VIII, LP (Team)
- Amin Mirzadegan, Partner
Founders Fund Growth IV, LP (Team); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Team); Founders Fund IX, LP (Team); Mirian, LP (Team); Founders Fund Growth II, LP (Team); Founders Fund VIII, LP (Team)
- Bridget Harris, Associate
Founders Fund Growth IV, LP (Team); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Team); Founders Fund IX, LP (Team); Mirian, LP (Team); Founders Fund Growth II, LP (Team); Founders Fund VIII, LP (Team)
- Delian Asparouhov, Partner
Founders Fund Growth IV, LP (Team); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Team); Founders Fund IX, LP (Team); Mirian, LP (Team); Founders Fund Growth II, LP (Team); Founders Fund VIII, LP (Team)
- Joey Krug, Partner
Founders Fund Growth IV, LP (Team); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Team); Founders Fund IX, LP (Team); Mirian, LP (Team); Founders Fund Growth II, LP (Team); Founders Fund VIII, LP (Team)
- John Luttig, Partner
Founders Fund Growth IV, LP (Team); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Team); Founders Fund IX, LP (Team); Mirian, LP (Team); Founders Fund Growth II, LP (Team); Founders Fund VIII, LP (Team)
- Koren Gilbai, Associate
Founders Fund Growth IV, LP (Team); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Team); Founders Fund IX, LP (Team); Mirian, LP (Team); Founders Fund Growth II, LP (Team); Founders Fund VIII, LP (Team)
- Lauren Gross, Partner & COO
Founders Fund Growth IV, LP (Team); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Team); Founders Fund IX, LP (Team); Mirian, LP (Team); Founders Fund Growth II, LP (Team); Founders Fund VIII, LP (Team)
- Matias Van Thienen, Partner
Founders Fund Growth IV, LP (Team); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Team); Founders Fund IX, LP (Team); Mirian, LP (Team); Founders Fund Growth II, LP (Team); Founders Fund VIII, LP (Team)
- Robert Windesheim, Associate
Founders Fund Growth IV, LP (Team); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Team); Founders Fund IX, LP (Team); Mirian, LP (Team); Founders Fund Growth II, LP (Team); Founders Fund VIII, LP (Team)
- Ryan Beiermeister, Partner
Founders Fund Growth IV, LP (Team); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Team); Founders Fund IX, LP (Team); Mirian, LP (Team); Founders Fund Growth II, LP (Team); Founders Fund VIII, LP (Team)
- Scott Nolan, Partner
Founders Fund Growth IV, LP (Team); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Team); Founders Fund IX, LP (Team); Mirian, LP (Team); Founders Fund Growth II, LP (Team); Founders Fund VIII, LP (Team)
- Sean Liu, Partner
Founders Fund Growth IV, LP (Team); Founders Future II US, LP (Team); Founders Fund Growth III, LP (Team); Founders Fund IX, LP (Team); Mirian, LP (Team); Founders Fund Growth II, LP (Team); Founders Fund VIII, LP (Team)
04 · Recent deals
No dated deals found yet.
05 · Latest from the firm
No news from the firm's website yet.
06 · Sources
Fund dates and sizes are from SEC Form D filings.
Last verified: Oct 28, 2026