AltMountain

MFN Partners, LP

Boston, MA · CIK 1732960

MFN Partners, LP is a hedge fund based in Boston, Massachusetts. According to its most recent Form D, filed Feb 27, 2026, the fund has sold $4,619,055,000 of interests to 114 investors since its first sale in Mar 2018. The filing does not set a minimum investment. 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 Jonathan Reisman; Farhad Nanji; Megan Hart.

Performance

No verified returns have been reported for this fund. Hedge fund returns are not part of SEC filings; managers report them to AltMountain directly.

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Total raised
$4,619,055,000Cumulative sales reported on Form D
Investors
114
First sale
Mar 16, 2018
Minimum investment
None set
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Jonathan Reisman; Farhad Nanji; Megan Hart
Latest Form D
Feb 27, 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 MFN Partners, LP

What is the minimum investment for MFN Partners, LP?

MFN Partners, LP's latest Form D, filed Feb 27, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in MFN Partners, LP?

MFN Partners, LP 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 MFN Partners, LP raised?

MFN Partners, LP reports $4,619,055,000 sold from 114 investors on its Form D filed Feb 27, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is MFN Partners, LP based?

MFN Partners, LP is based in Boston, Massachusetts.

When did MFN Partners, LP launch?

MFN Partners, LP reports its first sale in Mar 2018.

Size compared with every hedge fund

Raised more than 97% of the 474 hedge funds based in Massachusetts, and more than 98% of all 10,308 that report sales.

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