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Hedge fund

Mfn Partners Management, LP

13F for the quarter to June 30, 2026, filed August 12, 2026 · SEC CIK 1732811

Reported value
$4.8bn
99% in companies we cover
Positions we cover
7
Largest XPO 41.9%
Copy, a year
+20.3%
S&P 500 +15.6%
Copy Sharpe ratio
0.67
S&P 500 0.73

How copying its 13F would have done

$10.0k$20.0k$40.0k 20192020202120222023202420252026 $41.5k$30.6k
CopyS&P 500 $10,000 copying Mfn Partners Management, LP's filed holdings in companies we cover from February 15, 2019, buying on the first trading day after each 13F was filed and holding until the next, against the S&P 500 (total return). Marked weekly, log scale. Before costs and taxes; misses trading within each quarter and anything 13F does not show (shorts, cash, bonds, non-US holdings).

Biggest drop −42.4% (S&P 500 −31.8%); beta 1.23; alpha +3.8% a year (t = 0.52); last 12 months +13.6% against +12.1%.

Reported value by quarter

Mfn Partners Management, LP: 13F reported value Total value of all positions in each quarter's 13F, as filed (values before 2023 were filed in thousands of dollars and are converted).
$0 $1T $2T $3T Reported value, 2018-12-31: $589.4M Reported value, 2019-03-31: $572.3M Reported value, 2019-06-30: $629.9M Reported value, 2019-09-30: $668.9M Reported value, 2019-12-31: $485.3M Reported value, 2020-03-31: $756.1M Reported value, 2020-06-30: $717.5M Reported value, 2020-09-30: $1.2B Reported value, 2020-12-31: $1.1B Reported value, 2021-03-31: $1.3B Reported value, 2021-06-30: $1.9B Reported value, 2021-09-30: $2.2B Reported value, 2021-12-31: $2.5B Reported value, 2022-03-31: $2.9B Reported value, 2022-06-30: $2.2B Reported value, 2022-09-30: $2.2B Reported value, 2022-12-31: $2.2T Reported value, 2023-03-31: $2.2B Reported value, 2023-06-30: $3B Reported value, 2023-09-30: $2.9B Reported value, 2023-12-31: $3.1B Reported value, 2024-03-31: $3.5B Reported value, 2024-06-30: $2.9B Reported value, 2024-09-30: $5.1B Reported value, 2024-12-31: $5.1B Reported value, 2025-03-31: $4.3B Reported value, 2025-06-30: $4.7B Reported value, 2025-09-30: $5B Reported value, 2025-12-31: $24.9M Reported value, 2026-03-31: $4.8B Reported value, 2026-06-30: $4.8B 2018-12-31 2020-06-30 2021-12-31 2023-06-30 2024-12-31 2026-06-30 $4.8B
View chart data
Period Reported value
2018-12-31 $589.4M
2019-03-31 $572.3M
2019-06-30 $629.9M
2019-09-30 $668.9M
2019-12-31 $485.3M
2020-03-31 $756.1M
2020-06-30 $717.5M
2020-09-30 $1.2B
2020-12-31 $1.1B
2021-03-31 $1.3B
2021-06-30 $1.9B
2021-09-30 $2.2B
2021-12-31 $2.5B
2022-03-31 $2.9B
2022-06-30 $2.2B
2022-09-30 $2.2B
2022-12-31 $2.2T
2023-03-31 $2.2B
2023-06-30 $3B
2023-09-30 $2.9B
2023-12-31 $3.1B
2024-03-31 $3.5B
2024-06-30 $2.9B
2024-09-30 $5.1B
2024-12-31 $5.1B
2025-03-31 $4.3B
2025-06-30 $4.7B
2025-09-30 $5B
2025-12-31 $24.9M
2026-03-31 $4.8B
2026-06-30 $4.8B

Holdings and moves

CompanyShare of portfolioValueSharesChange in shares
XPOXPO, Inc.41.91%$2.0bn9.87M−13.6% Reduced
TLNTalen Energy Corp23.85%$1.2bn3.00M0.0%
RXORXO, Inc.16.04%$775.6m28.11M0.0%
QXOQXO, Inc.8.38%$405.3m23.45M0.0%
PFSIPennymac Financial Services, Inc.8.16%$394.7m4.53M0.0%
BHCBausch Health Companies Inc.0.61%$29.6m6.00M0.0%
IEIvanhoe Electric Inc.0.51%$24.5m2.55M0.0%

None this quarter.

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

CompanySold (value)Shares
XPOXPO, Inc.−$319.4m−1.56M

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

No positions in covered companies were sold out this quarter.

  • Industrials66.7%
  • Utilities24.0%
  • Financials8.2%
  • Health Care0.6%
  • Materials0.5%

Share of the value held in companies we cover, by sector.

PeriodCopy, a yearS&P 500SharpeS&P 500Biggest dropBeta
Whole backtestFebruary 15, 2019 to November 2, 2026+20.3%+15.6%0.670.73−42.4%1.23
Last three yearsNovember 3, 2023 to November 2, 2026+24.5%+21.8%0.751.16−28.1%1.17
Last yearNovember 7, 2025 to November 2, 2026+19.6%+14.2%0.580.84−23.2%1.15

From SEC Form 13F data sets. A 13F lists long positions in US-listed shares at the quarter's end, filed up to 45 days later; it does not show shorts, cash, bonds, non-US holdings or trades within the quarter. Positions in companies outside our coverage are not listed here. Research, not investment advice.