Filer Snapshot

MFN Partners Management, LP SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001732811.

Entity Type

Company

Total Filings

104

Latest Filing

17 Feb 2026

Industry

n/a

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Source: SEC Forms 3/4/5

4 filed on 17 Feb 2026 for CIK 0001732811.

View Source Filing
Business address
222 Berkeley Street, 13 Th Floor, Boston, MA, 02116
Top securities (13F)
XPO, TLN, PFSI, QXO, RXO, CNX, OXYWS, BHC, and IE
Top holdings (Schedule 13G)
CYCN
State of incorporation
DE

Quick Takeaways

  • MFN Partners Management, LP is an SEC filer tracked under CIK 0001732811.
  • 104 filings are listed on this profile.
  • Common form coverage includes 4, 13F-HR, N-PX and more.

What Changed

  • Latest filing: 4 filed on 17 Feb 2026.
  • Report period: 12 Feb 2026.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC Forms 3/4/5

4 filed on 17 Feb 2026 for CIK 0001732811.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 4 can change the filing history, ownership context, or next research path for MFN Partners Management, LP.

Latest source-backed update
4 filed 17 Feb 2026
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Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 17 Feb 2026.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for MFN Partners Management, LP

New filing available

Latest 13F period: Q4 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

12 Feb 2026

Page type

Filer profile

Latest period

Q4 2025

Institutional portfolio context was refreshed from a 13F filing filed on 12 Feb 2026.

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Benchmark Context

Benchmark context for this company

MFN Partners Management, LP has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

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Why this is notable

Latest 13F period: Q4 2025. That gives you a fresh baseline before you compare this company with peers.

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Filer Overview

MFN Partners Management, LP has filed 104 SEC EDGAR filings since 14 Feb 2019. Common forms include 4, 13F-HR, N-PX, SCHEDULE 13G/A and more.

Latest 13F filings

Latest Filings

Recent SEC filings for MFN Partners Management, LP with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 4 17 Feb 2026 12 Feb 2026 001-41514
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2026 31 Dec 2025 028-19231
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2025 30 Sep 2025 028-19231
13F-HR Open 13F-HR document View SEC filing for 13F-HR 08 Aug 2025 30 Jun 2025 028-19231
N-PX Open N-PX document View SEC filing for N-PX 25 Jul 2025 30 Jun 2025 028-19231
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2025 31 Mar 2025 028-19231
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 12 Feb 2025
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2025 31 Dec 2024 028-19231
4 Open 4 document View SEC filing for 4 4 08 Jan 2025 06 Jan 2025 001-14901
4 Open 4 document View SEC filing for 4 4 09 Dec 2024 05 Dec 2024 001-41514
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2024 30 Sep 2024 028-19231
4 Open 4 document View SEC filing for 4 4 08 Nov 2024 06 Nov 2024 001-38063
3 Open 3 document View SEC filing for 3 3 25 Oct 2024 24 Oct 2024 001-14901
4 Open 4 document View SEC filing for 4 4 28 Aug 2024 26 Aug 2024 001-38063
N-PX Open N-PX document View SEC filing for N-PX 28 Aug 2024 30 Jun 2024 028-19231
4 Open 4 document View SEC filing for 4 4 14 Aug 2024 12 Aug 2024 001-41514
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Aug 2024 30 Jun 2024 028-19231
3 Open 3 document View SEC filing for 3 3 29 Jul 2024 19 Jul 2024 001-38063
4 Open 4 document View SEC filing for 4 4 17 May 2024 15 May 2024 001-32172
4 Open 4 document View SEC filing for 4 4 13 May 2024 09 May 2024 001-41514
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 May 2024 31 Mar 2024 028-19231
4 Open 4 document View SEC filing for 4 4 08 May 2024 06 May 2024 001-41514
4 Open 4 document View SEC filing for 4 4 06 May 2024 02 May 2024 001-41514
4 Open 4 document View SEC filing for 4 4 26 Apr 2024 24 Apr 2024 001-41514
4 Open 4 document View SEC filing for 4 4 24 Apr 2024 22 Apr 2024 001-41514
4 Open 4 document View SEC filing for 4 4 19 Apr 2024 17 Apr 2024 001-41514
4 Open 4 document View SEC filing for 4 4 17 Apr 2024 12 Apr 2024 001-41514
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Feb 2024 31 Dec 2023 028-19231
4 Open 4 document View SEC filing for 4 4 12 Feb 2024 08 Feb 2024 001-41514
4 Open 4 document View SEC filing for 4 4 06 Feb 2024 02 Feb 2024 001-41514
4 Open 4 document View SEC filing for 4 4 24 Nov 2023 21 Nov 2023 001-41514
4 Open 4 document View SEC filing for 4 4 20 Nov 2023 16 Nov 2023 001-41514
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Nov 2023 13 Nov 2023 001-41514
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2023 30 Sep 2023 028-19231
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Aug 2023 30 Jun 2023 028-19231
4 Open 4 document View SEC filing for 4 4 01 Aug 2023 31 Jul 2023 000-12255
4 Open 4 document View SEC filing for 4 4 28 Jul 2023 26 Jul 2023 000-12255
3 Open 3 document View SEC filing for 3 3 28 Jul 2023 26 Jul 2023 000-12255
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 May 2023 31 Mar 2023 028-19231
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A 27 Apr 2023 31 Dec 2022 028-19231
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 Feb 2023 31 Dec 2022 028-19231
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 10 Nov 2022 01 Nov 2022 001-41514
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 Nov 2022 30 Sep 2022 028-19231
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 12 Aug 2022 11 Aug 2022 001-32172
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Aug 2022 30 Jun 2022 028-19231
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2022 31 Mar 2022 028-19231
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Feb 2022 11 Feb 2022 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Feb 2022 09 Feb 2022 001-38727
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Feb 2022 31 Dec 2021 028-19231
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Feb 2022 07 Feb 2022 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Nov 2021 26 Nov 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Nov 2021 19 Nov 2021 001-38727
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Nov 2021 30 Sep 2021 028-19231
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Aug 2021 30 Jun 2021 028-19231
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Jun 2021 22 Jun 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Jun 2021 17 Jun 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Jun 2021 15 Jun 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Jun 2021 11 Jun 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Jun 2021 08 Jun 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Jun 2021 04 Jun 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2021 01 Jun 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 May 2021 26 May 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 May 2021 24 May 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2021 20 May 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 May 2021 18 May 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 May 2021 14 May 2021 001-38727
13F-HR Open 13F-HR document View SEC filing for 13F-HR 17 May 2021 31 Mar 2021 028-19231
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 May 2021 12 May 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2021 10 May 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Mar 2021 29 Mar 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Mar 2021 25 Mar 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Mar 2021 23 Mar 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Mar 2021 19 Mar 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2021 17 Mar 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Mar 2021 12 Mar 2021 001-38727
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G-A FOR FOLEY TRASIMENE ACQUISITION CORP. BY MFN PARTNERS MANAGEMENT, 15 Mar 2021
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 10 Mar 2021 05 Mar 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Mar 2021 05 Mar 2021 001-38727
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 09 Mar 2021 05 Mar 2021 001-38727
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Feb 2021 17 Feb 2021 001-39299
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13/G FILING BY CYCLERION ON BEHALF OF MFN PARTNERS 12 Feb 2021
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G FOR FOLEY TRASIMENE ACQUISITION II BY MFN PARTNERS MANAGEMENT LP, F 12 Feb 2021
SC 13G Open SC 13G document View SEC filing for SC 13G SCHED 13G FOR FOLEY TRASIMENE ACQUISITION ON BEHALF OF MFN PARTNERS MANAGEMENT, 12 Feb 2021
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2021 31 Dec 2020 028-19231
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2020 30 Sep 2020 028-19231
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G FOR FOLEY TRASIMENE ACQUISITION II BY MFN PARTNERS MANAGEMENT, LP. 27 Aug 2020
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Aug 2020 30 Jun 2020 028-19231
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Aug 2020 10 Aug 2020 001-39299
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Aug 2020 06 Aug 2020 001-39299
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCH 13G/A FILING FOR MFN PARTNERS (FILER) AND ISSUER ACLARIS, TO BE FILED IN JUL 22 Jul 2020
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHED 13G/A FOR FOLEY TRASIMENE ACQUISITION ON BEHALF OF MFN PARTNERS MANAGEMENT 10 Jul 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Jul 2020 08 Jul 2020 001-39299
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 10 Jul 2020 08 Jul 2020 001-39299
SC 13G Open SC 13G document View SEC filing for SC 13G SCHED 13G FOR FOLEY TRASIMENE ACQUISITION CORP. ON BEHALF OF MFN PARTNERS MANAGE 05 Jun 2020
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2020 31 Mar 2020 028-19231
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Feb 2020 31 Dec 2019 028-19231
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCH 13G/A FILING BY MFN PARTNERS FOR ISSUER CYCLERION THERAPEUTICS, TO BE FILED 13 Feb 2020
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCH 13G/A FILING FOR MFN PARTNERS (FILER) AND ISSUER ACLARIS, TO BE FILED IN FEB 13 Feb 2020
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2019 30 Sep 2019 028-19231
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G FOR ACLARIS THERAPEUTICS, INC. BY MFN PARTNERS, LP 31 Oct 2019
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2019 30 Jun 2019 028-19231
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2019 31 Mar 2019 028-19231
SC 13G Open SC 13G document View SEC filing for SC 13G 13G FILING FOR MFN AND CYCLERION - CREATED AND UPDATED ON 4.9.19 11 Apr 2019
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2019 31 Dec 2018 028-19231

About this filer

MFN Partners Management, LP files with the SEC under CIK 0001732811. This page aggregates EDGAR filings and related ownership activity.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
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Updates follow new EDGAR submissions and periodic data refreshes.