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HARRIS ASSOCIATES L P: MPC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of HARRIS ASSOCIATES L P on MPC, newest first. How the timeline and the estimate are built.

HARRIS ASSOCIATES L P held 229,011 MPC 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 229,011 shares
    Change vs previous 13F -2,576,961 shares

    0.08% of the 13F portfolio, value $58,551,242.

    13F-HR 0000813917-26-000042 filed by HARRIS ASSOCIATES L P
    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 2,805,972 shares
    Change vs previous 13F -1,225,990 shares

    0.92% of the 13F portfolio, value $685,162,133.

    13F-HR 0000813917-26-000038 filed by HARRIS ASSOCIATES L P
    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 4,031,962 shares
    Change vs previous 13F +26,380 shares

    0.83% of the 13F portfolio, value $655,717,903.

    13F-HR 0000813917-26-000022 filed by HARRIS ASSOCIATES L P
    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 4,005,582 shares
    Change vs previous 13F -122,848 shares

    1.24% of the 13F portfolio, value $772,035,815.

    13F-HR 0000813917-25-000007 filed by HARRIS ASSOCIATES L P
    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 4,128,430 shares
    Change vs previous 13F +1,991,670 shares

    1.12% of the 13F portfolio, value $685,773,537.

    13F-HR 0001415889-25-021935 filed by HARRIS ASSOCIATES L P
    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 2,136,760 shares
    Change vs previous 13F not available

    0.52% of the 13F portfolio, value $311,304,602.

    13F-HR 0001415889-25-013201 filed by HARRIS ASSOCIATES L P
    Filed (acceptance time not in the bulk data set), ingested

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