Investors / Founders Fund
Founders Fund
Founders Fund is a venture capital firm based in the United States. Founders Fund has backed 1 Canadian AI company in the Index, joining 3 tracked rounds and leading 2. The most recent was Biossil's US$153M venture round in September 2026. Founders Fund most often invests alongside OpenAI Startup Fund, Abu Dhabi Investment Council and Duke University endowment.
VC based in US. 1 Canadian AI company in the Index, 3 tracked rounds, 2 as lead.
- Type
- VC
- HQ country
- US
- Companies
- 1
- Tracked rounds
- 3
- Led
- 2
- First tracked deal
- Biossil, 2024
- Latest tracked deal
- Biossil, Sep 2026
Portfolio
| Company | Rounds joined (date, round size) | Company's total raised | Role |
|---|---|---|---|
| Biossil | Series A · 2024 · US$22M round (lead)Series B · Apr 2026 · US$43M round (lead)Venture round · Sep 2026 · US$153M round | C$309.3M | Led Series A, Series B |
A round's size is the whole round as announced, not this investor's cheque.
Frequent co-investors
OpenAI Startup Fund (2 shared rounds), Abu Dhabi Investment Council (1 shared round), Duke University endowment (1 shared round), Golden Ventures (1 shared round), Modern Capital (1 shared round), Panache Ventures (1 shared round), Quiet Capital (1 shared round)
Data as of November 10, 2026.