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MFN Partners Management, LP: CNX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MFN Partners Management, LP on CNX, newest first. How the timeline and the estimate are built.

MFN Partners Management, LP held 0 CNX shares at 2026-03-31 per its 13F-HR filed 2026-05-14.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -8,350,000 shares

    13F-HR 0000904454-26-000287 filed by MFN Partners Management, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F/A 8,350,000 shares
    Change vs previous 13F 0 shares

    6.49% of the 13F portfolio, value $307,029,500.

    13F-HR 0000904454-26-000091 filed by MFN Partners Management, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-09-30
    13F 8,350,000 shares
    Change vs previous 13F 0 shares

    5.42% of the 13F portfolio, value $268,202,000.

    13F-HR 0000904454-25-000585 filed by MFN Partners Management, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-06-30
    13F 8,350,000 shares
    Change vs previous 13F 0 shares

    6.02% of the 13F portfolio, value $281,228,000.

    13F-HR 0000904454-25-000404 filed by MFN Partners Management, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-03-31
    13F 8,350,000 shares
    Change vs previous 13F -6,650,000 shares

    6.18% of the 13F portfolio, value $262,858,000.

    13F-HR 0000904454-25-000244 filed by MFN Partners Management, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2024-12-31
    13F 15,000,000 shares
    Change vs previous 13F 0 shares

    10.83% of the 13F portfolio, value $550,050,000.

    13F-HR 0000904454-25-000115 filed by MFN Partners Management, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-09-30
    13F 15,000,000 shares
    Change vs previous 13F not available

    9.63% of the 13F portfolio, value $488,550,000.

    13F-HR 0000904454-24-000602 filed by MFN Partners Management, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).