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THOMPSON SIEGEL & WALMSLEY LLC: MPC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of THOMPSON SIEGEL & WALMSLEY LLC on MPC, newest first. How the timeline and the estimate are built.

THOMPSON SIEGEL & WALMSLEY LLC held 18,590 MPC shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 18,590 shares
    Change vs previous 13F -477 shares

    0.09% of the 13F portfolio, value $4,753,000.

    13F-HR 0001008322-26-000009 filed by THOMPSON SIEGEL & WALMSLEY LLC
    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 19,067 shares
    Change vs previous 13F -1,141 shares

    0.08% of the 13F portfolio, value $4,656,000.

    13F-HR 0001008322-26-000006 filed by THOMPSON SIEGEL & WALMSLEY 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 20,208 shares
    Change vs previous 13F -50 shares

    0.06% of the 13F portfolio, value $3,286,000.

    13F-HR 0001008322-26-000003 filed by THOMPSON SIEGEL & WALMSLEY 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 20,258 shares
    Change vs previous 13F +112 shares

    0.06% of the 13F portfolio, value $3,905,000.

    13F-HR 0001008322-25-000017 filed by THOMPSON SIEGEL & WALMSLEY 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 20,146 shares
    Change vs previous 13F -125 shares

    0.06% of the 13F portfolio, value $3,346,000.

    13F-HR 0001008322-25-000011 filed by THOMPSON SIEGEL & WALMSLEY 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 20,271 shares
    Change vs previous 13F -53 shares

    0.05% of the 13F portfolio, value $2,953,000.

    13F-HR 0001008322-25-000008 filed by THOMPSON SIEGEL & WALMSLEY 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 20,324 shares
    Change vs previous 13F -112 shares

    0.04% of the 13F portfolio, value $2,835,000.

    13F-HR 0001008322-25-000003 filed by THOMPSON SIEGEL & WALMSLEY 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 20,436 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $3,329,000.

    13F-HR 0001008322-24-000016 filed by THOMPSON SIEGEL & WALMSLEY LLC
    Filed (acceptance time not in the bulk data set), ingested

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