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Westchester Capital Management, LLC: GPAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Westchester Capital Management, LLC on GPAT, newest first. How the timeline and the estimate are built.

Westchester Capital Management, LLC held 0 GPAT shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 0 shares
    Change vs previous 13F -860,852 shares

    13F-HR 0001512805-26-000008 filed by Westchester Capital Management, LLC
    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 ended2026-03-31
    13F 860,852 shares
    Change vs previous 13F -500,000 shares

    0.45% of the 13F portfolio, value $9,331,636.

    13F-HR 0001512805-26-000005 filed by Westchester Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 1,360,852 shares
    Change vs previous 13F +250,000 shares

    0.68% of the 13F portfolio, value $14,561,117.

    13F-HR 0001512805-26-000002 filed by Westchester Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 1,110,852 shares
    Change vs previous 13F -50,000 shares

    0.61% of the 13F portfolio, value $11,775,032.

    13F-HR 0001628280-25-052144 filed by Westchester Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 1,160,852 shares
    Change vs previous 13F 0 shares

    0.72% of the 13F portfolio, value $12,246,989.

    13F-HR 0001277372-25-000002 filed by Westchester Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 1,160,852 shares
    Change vs previous 13F +250,852 shares

    0.7% of the 13F portfolio, value $11,991,601.

    13F-HR 0000019481-25-000003 filed by Westchester Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 910,000 shares
    Change vs previous 13F +360,000 shares

    0.54% of the 13F portfolio, value $9,227,400.

    13F-HR 0001591068-25-000010 filed by Westchester Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 550,000 shares
    Change vs previous 13F not available

    0.26% of the 13F portfolio, value $5,533,000.

    13F-HR 0001512805-24-000028 filed by Westchester Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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