MFN Partners Management, LP — 13F Holdings & Portfolio

CIK 1732811 · latest 13F-HR filed 2026-05-01

MFN Partners Management, LP manages $24.9M in 13F-reported U.S. long-equity assets across 2 reported positions as of its 2025-12-31 13F-HR filing. Its largest disclosed positions are KRSP (98.72%), KRSP.WS (1.28%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 2 new positions, exited 9, added to 0, and trimmed 0.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Loading holdings…
AUM

$24.9M

Long-equity book

Holdings

2

Distinct positions

Period

2025-12-31

Filed 2026-05-01

Q/Q Activity

+2 / −9 / ↑0 / ↓0

vs 2025-12-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • No increased positions.
Show all 0

Top Trims

  • No decreased positions.
Show all 0

New Positions

  • RICE ACQUISITION CORP 3$24.6M
  • RICE ACQUISITION CORP 3$320.0K
Show all 2

Exited Positions

  • XPO INC$1.55B
  • TALEN ENERGY CORP$1.12B
  • PENNYMAC FINL SVCS INC NEW$597.5M
  • QXO INC$584.0M
  • RXO INC$348.6M
Show all 9
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 RICE ACQUISITION CORP 3 KRSP G7553X106 $24.6M 98.72% 2,400,000 SH
2 RICE ACQUISITION CORP 3 KRSP.WS G7553X114 $320.0K 1.28% 400,000 SH
Filing History
Period Filed AUM Holdings Accession
2025-12-31 2026-05-01 $24.9M 2 0000904454-26-000248
2025-12-31 2026-02-12 $4.71B 9 0000904454-26-000091