Vault-13

MFN Partners Management, LP

BOSTON, MA · CIK 1732811 · 13F filing filed 2026-05-14

SEC-registered investment adviser since 2018 · limited partnership

$4.8bn reported value +0.9% vs Q4 2025
10positions
100.0%in top 10
0 new 1 added 1 reduced 1 sold out vs Q4 2025

Holdings, Q1 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#SecurityTickerShares Value% of portfolioChangeShares change
1 XPO INC COM XPO XPO 11,425,369 $2.2bn46.55% 46.55% UnchangedShares held: Q2 2025 11.4m, Q3 2025 11.4m, Q4 2025 11.4m, Q1 2026 11.4m
2 TALEN ENERGY CORP COM TLN TLN 3,000,000 $957.7m20.06% 20.06% UnchangedShares held: Q2 2025 3.0m, Q3 2025 3.0m, Q4 2025 3.0m, Q1 2026 3.0m
3 QXO INC COM NEW QXO QXO 23,454,350 $455.5m9.54% 9.54% ReducedShares held: Q2 2025 46.9m, Q3 2025 38.3m, Q4 2025 30.3m, Q1 2026 23.5m -6.8m -6,822,976 -22.5%
4 RXO INC COMMON STOCK RXO RXO 28,109,942 $411.0m8.61% 8.61% AddedShares held: Q2 2025 27.6m, Q3 2025 27.6m, Q4 2025 27.6m, Q1 2026 28.1m +532.3k +532,276 1.9%
5 PENNYMAC FINL SVCS INC NEW COM PFSI PFSI 4,531,792 $396.1m8.30% 8.30% UnchangedShares held: Q2 2025 4.5m, Q3 2025 4.5m, Q4 2025 4.5m, Q1 2026 4.5m
6 OCCIDENTAL PETE CORP *W EXP 08/03/202 OXY.WS OXY.WS 5,690,600 $244.1m5.11% 5.11% UnchangedShares held: Q2 2025 5.7m, Q3 2025 5.7m, Q4 2025 5.7m, Q1 2026 5.7m
7 BAUSCH HEALTH COS INC COM BHC BHC 6,000,000 $32.4m0.68% 0.68% UnchangedShares held: Q2 2025 6.0m, Q3 2025 6.0m, Q4 2025 6.0m, Q1 2026 6.0m
8 IVANHOE ELECTRIC INC COM IE IE 2,553,191 $30.2m0.63% 0.63% UnchangedShares held: Q2 2025 2.6m, Q3 2025 2.6m, Q4 2025 2.6m, Q1 2026 2.6m
9 RICE ACQUISITION CORP 3 ORD SHS CL A KRSP KRSP 2,400,000 $24.7m0.52% 0.52% UnchangedShares held: Q2 2025 0, Q3 2025 0, Q4 2025 2.4m, Q1 2026 2.4m
10 RICE ACQUISITION CORP 3 *W EXP 99/99/999 KRSP.WS KRSP.WS 400,000 $320.0k0.01% 0.01% UnchangedShares held: Q2 2025 0, Q3 2025 0, Q4 2025 400.0k, Q1 2026 400.0k

Sold out since Q4 2025

SecurityTickerShares held beforeValue then
CNX RES CORP CNX CNX 8,350,000 $307.0m8.3m shares

Trades reported as a company insider in Q1 2026

Owning 10% or more of a company, or having someone on its board, makes this manager an insider there: it reports its trades in that company's shares on Form 4 within two business days. Open-market and private purchases and sales only.

DateCompanyTickerTradeShares ValueTheir holding
2026-02-12 RXO INC 10% owner RXO Bought 532,276 $6.4m532.3k shares +2%