Deerfield Partners, L.P.
Deerfield Partners, L.P. is a hedge fund based in New York, New York. According to its most recent Form D, filed Feb 25, 2026, the fund has sold $5,131,212,630 of interests to 357 investors since its first sale in Jan 1994. The minimum investment it accepts from an outside investor is $250,000. It relies on the Section 3(c)(7) exclusion, so investors generally must be qualified purchasers. The offering uses Rule 506(b), which does not permit general solicitation. Related persons named in the filing include James Flynn.
Performance
No verified returns have been reported for this fund. As a rough guide, Deerfield Management Company, which manages it, disclosed U.S. stock holdings that returned an estimated +17.7% 2026 YTD through Jun 30 (S&P 500: +9.5%), based only on its public 13F filings. Over a longer period, Q3 2025 to Q2 2026, the estimate is +66.2% (S&P 500: +20.9%).
This estimate covers the firm's whole disclosed long U.S. stock portfolio. It is not this fund's return and excludes dividends, fees, shorts, derivatives, bonds, cash and trading within each quarter.
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- Total raised
- $5,131,212,630Cumulative sales reported on Form D
- Investors
- 357
- First sale
- Jan 1, 1994
- Minimum investment
- $250,000
- Who can invest
- Qualified purchasersSection 3(c)(7): generally $5M+ in investments
- Offering exemption
- Rule 506(b)No general advertising
- Key people and entities
- James Flynn
- Latest Form D
- Feb 25, 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 AltMountain 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 · Request a correction
Questions about Deerfield Partners, L.P.
What is the minimum investment for Deerfield Partners, L.P.?
According to its latest Form D, filed Feb 25, 2026, the minimum investment Deerfield Partners, L.P. accepts from an outside investor is $250,000.
Who can invest in Deerfield Partners, L.P.?
Deerfield Partners, L.P. is generally open only to qualified purchasers (generally individuals with at least $5 million in investments), because it relies on Section 3(c)(7). It uses Rule 506(b), which does not allow general advertising.
How much has Deerfield Partners, L.P. raised?
Deerfield Partners, L.P. reports $5,131,212,630 sold from 357 investors on its Form D filed Feb 25, 2026. This is cumulative sales since the offering began, not current assets or performance.
Where is Deerfield Partners, L.P. based?
Deerfield Partners, L.P. is based in New York, New York and is managed by Deerfield Management Company.
When did Deerfield Partners, L.P. launch?
Deerfield Partners, L.P. reports its first sale in Jan 1994.
Size compared with every hedge fund
Raised more than 98% of the 2,545 hedge funds based in New York, and more than 99% of all 10,308 that report sales.