About Curie Bio Seed
Curie Bio Seed is a venture capital firm based in Cambridge, MA. Since August 2022 it has filed Form D notices for three funds and two related vehicles. The largest, Curie Bio Seed Fund II, L.P., reported $342.0M raised from 46 investors.
Funds
Curie Bio Seed has three funds on file with the SEC, plus two feeder, opportunity or co-investment vehicles. The funds have reported $347.7M raised.
Funds (SEC Form D)
| Fund | First filed | Amount raised | Target | Investors |
|---|---|---|---|---|
| Curie Bio Seed Fund II-A, L.P.Venture capital fund · 3(c)(1) · Form D ↗ | Mar 3, 2025 | $5,710,000 | $5,710,000 | 40 |
| Curie Bio Seed Fund II, L.P.Venture capital fund · 3(c)(7) · Form D ↗ | Jan 29, 2025 | $342,075,000 | $342,075,000 | 46 |
| Curie Bio Seed Fund I, L.P.Venture capital fund · 3(c)(7) · Form D ↗ | Aug 23, 2022 | None yet | $275,000,000 | — |
Amounts and investor counts come from each fund's latest Form D or amendment; the dated lines under an amount show what earlier filings reported. "Not set" means the fund did not give a target. Form D does not report returns.
Feeder, opportunity and co-investment vehicles (2)
| Vehicle | Kind | First filed | Amount raised | Investors | Filing |
|---|---|---|---|---|---|
| Curie Bio Series A Fund I-A, L.P. | Co-investment vehicle | May 30, 2024 | — | — | Form D ↗ |
| Curie Bio Series A Fund I, L.P. | Co-investment vehicle | Feb 28, 2024 | $376,725,000 | 48 | Form D ↗ |
These vehicles usually hold a single investment or a small group of them. Their filings do not name the companies they hold.
Portfolio Companies
Companies where a Curie Bio Seed partner sits on the board, according to the company's own Form D. A board seat usually comes with an investment, but Form D does not list investors.
| Company | Location | Curie Bio Seed director | On the board | Latest raise |
|---|---|---|---|---|
| Prana Therapies, Inc. | Encinitas, CA | Alexis Borisy | 2026 | $40.2M ↗Nov 2025 |
People
Partners and officers named on Curie Bio Seed's fund filings.
Sources
- SECEvery Form D filing behind this page is linked in the tables above.