EcoR1 Capital Fund, L.P.
EcoR1 Capital Fund, L.P. is a hedge fund based in San Francisco, California. According to its most recent Form D, filed Jan 22, 2026, the fund has sold $117,778,169 of interests to 99 investors since its first sale in Mar 2013. The minimum investment it accepts from an outside investor is $25,000,000. It relies on the Section 3(c)(1) exclusion, which limits it to 100 beneficial owners, typically accredited investors. The offering uses Rule 506(b), which does not permit general solicitation. Related persons named in the filing include Scott Perlen; Sarah Marriott; EcoR1 Capital, LLC.
Performance
No verified returns have been reported for this fund. Hedge fund returns are not part of SEC filings; managers report them to HedgeMountain directly.
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- Total raised
- $117,778,169Cumulative sales reported on Form D
- Investors
- 99
- First sale
- Mar 1, 2013
- Minimum investment
- $25,000,000
- Who can invest
- Accredited investorsSection 3(c)(1): up to 100 beneficial owners
- Offering exemption
- Rule 506(b)No general advertising
- Key people and entities
- Scott Perlen; Sarah Marriott; EcoR1 Capital, LLC
- Latest Form D
- Jan 22, 2026
From SEC filings, not verified. This page republishes the fund's Form D as filed. It is not an offer, solicitation or recommendation, and HedgeMountain has not reviewed the fund. “Raised” is cumulative sales, not current assets or performance. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures
Size compared with every hedge fund
Raised more than 69% of the 1,051 hedge funds based in California, and more than 60% of all 10,157 that report sales.