SEC 13F Intelligence

Managers / Q1 2026

MFN Partners Management, LP

CIK 0001732811 · 222 BERKELEY STREET, 13TH FLOOR, BOSTON, MA, 02116 · 617-443-2040

Reported Value
$4.8B
Q1 2026
Positions
10
Filings on Record
32
2019–present window
Filed
May 14, 2026
original filing

Summary

Mfn Partners Management, Lp reported $4.8B in U.S.-listed holdings across 10 positions for Q1 2026.

The portfolio is heavily concentrated: XPO alone accounts for 46.6% of reported value.

Compared with Q4 2025, the fund opened 2 new positions and exited 1.

Reported Value by Quarter

13F Reported Value
Q4 ’18: $589MQ4 ’18Q1 ’19: $620MQ2 ’19: $630MQ3 ’19: $669MQ4 ’19: $485MQ4 ’19Q1 ’20: $756MQ2 ’20: $717MQ3 ’20: $1.2BQ4 ’20: $1.1BQ4 ’20Q1 ’21: $1.3BQ2 ’21: $1.9BQ3 ’21: $2.2BQ4 ’21: $2.5BQ4 ’21Q1 ’22: $2.9BQ2 ’22: $2.2BQ3 ’22: $2.2BQ4 ’22: $2.25TQ4 ’22Q1 ’23: $2.2BQ2 ’23: $3.1BQ3 ’23: $3.0BQ4 ’23: $3.1BQ4 ’23Q1 ’24: $3.5BQ2 ’24: $2.9BQ3 ’24: $5.1BQ4 ’24: $5.1BQ4 ’24Q1 ’25: $4.3BQ2 ’25: $4.7BQ3 ’25: $5.0BQ4 ’25: $4.7BQ4 ’25Q1 ’26: $4.8Bfilingsflow.com

Portfolio Composition

By security type

Composition data arrives with ticker enrichment.

Quarter-over-Quarter Changes full breakdown →

Holdings — Q1 2026

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#IssuerClass% PortfolioValueShares

Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$4.8B10May 14, 202613F-HRchanges · EDGAR ↗
Q4 2025$4.7B9Feb 12, 202613F-HRchanges · EDGAR ↗
Q3 2025$5.0B9Nov 13, 202513F-HRchanges · EDGAR ↗
Q2 2025$4.7B9Aug 8, 202513F-HRchanges · EDGAR ↗
Q1 2025$4.3B10May 13, 202513F-HRchanges · EDGAR ↗
Q4 2024$5.1B11Feb 12, 202513F-HRchanges · EDGAR ↗
Q3 2024$5.1B12Nov 13, 202413F-HRchanges · EDGAR ↗
Q2 2024$2.9B10Aug 12, 202413F-HRchanges · EDGAR ↗
Q1 2024$3.5B10May 10, 202413F-HRchanges · EDGAR ↗
Q4 2023$3.1B12Feb 13, 202413F-HRchanges · EDGAR ↗
Q3 2023$3.0B13Nov 13, 202313F-HRchanges · EDGAR ↗
Q2 2023$3.1B14Aug 11, 202313F-HRchanges · EDGAR ↗
Q1 2023$2.2B15May 12, 202313F-HRchanges · EDGAR ↗
Q4 2022$2.25T15Feb 10, 202313F-HRchanges · EDGAR ↗
Q3 2022$2.2B17Nov 10, 202213F-HRchanges · EDGAR ↗
Q2 2022$2.2B16Aug 12, 202213F-HRchanges · EDGAR ↗
Q1 2022$2.9B20May 13, 202213F-HRchanges · EDGAR ↗
Q4 2021$2.5B15Feb 11, 202213F-HRchanges · EDGAR ↗
Q3 2021$2.2B14Nov 12, 202113F-HRchanges · EDGAR ↗
Q2 2021$1.9B14Aug 13, 202113F-HRchanges · EDGAR ↗
Q1 2021$1.3B15May 17, 202113F-HRchanges · EDGAR ↗
Q4 2020$1.1B14Feb 12, 202113F-HRchanges · EDGAR ↗
Q3 2020$1.2B16Nov 13, 202013F-HRchanges · EDGAR ↗
Q2 2020$717M11Aug 13, 202013F-HRchanges · EDGAR ↗
Q1 2020$756M17May 14, 202013F-HRchanges · EDGAR ↗
Q4 2019$485M11Feb 13, 202013F-HRchanges · EDGAR ↗
Q3 2019$669M14Nov 14, 201913F-HRchanges · EDGAR ↗
Q2 2019$630M17Aug 14, 201913F-HRchanges · EDGAR ↗
Q1 2019$620M15May 14, 201913F-HRchanges · EDGAR ↗
Q4 2018$589M16Feb 14, 201913F-HRchanges · EDGAR ↗

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.