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Disclosery

Boston Trust Walden Corp: MPC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Boston Trust Walden Corp on MPC, newest first. How the timeline and the estimate are built.

Boston Trust Walden Corp held 3,515,417 MPC shares at 2026-06-30 per its 13F-HR filed 2026-08-04.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,515,417 shares
    Change vs previous 13F -2,133,787 shares

    0.8% of the 13F portfolio, value $905,824,428.

    13F-HR 0001386060-26-000035 filed by Boston Partners
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 5,649,204 shares
    Change vs previous 13F -470,511 shares

    1.45% of the 13F portfolio, value $1,378,883,125.

    13F-HR 0001386060-26-000017 filed by Boston Partners
    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 6,119,715 shares
    Change vs previous 13F -185,713 shares

    1.03% of the 13F portfolio, value $997,916,388.

    13F-HR 0001386060-26-000014 filed by Boston Partners
    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 6,305,428 shares
    Change vs previous 13F +141,691 shares

    1.25% of the 13F portfolio, value $1,214,521,887.

    13F-HR 0001386060-25-000020 filed by Boston Partners
    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/A 6,163,737 shares
    Change vs previous 13F +715,223 shares

    1.14% of the 13F portfolio, value $1,024,395,420.

    13F-HR/A 0001085146-25-004915 filed by Boston Partners
    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 5,448,514 shares
    Change vs previous 13F +2,011,810 shares

    0.96% of the 13F portfolio, value $791,274,138.

    13F-HR 0001085146-25-002987 filed by Boston Partners
    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 3,436,704 shares
    Change vs previous 13F +935,042 shares

    0.58% of the 13F portfolio, value $480,500,975.

    13F-HR 0001085146-25-000961 filed by Boston Partners
    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 2,501,662 shares
    Change vs previous 13F not available

    0.48% of the 13F portfolio, value $406,595,433.

    13F-HR 0001085146-24-005518 filed by Boston Partners
    Filed (acceptance time not in the bulk data set), ingested

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