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Disclosery

BlackRock, Inc.: MPC position timeline

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

BlackRock, Inc. held 26,006,017 MPC shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 26,006,017 shares
    Change vs previous 13F +1,611,175 shares

    0.1% of the 13F portfolio, value $6,648,958,398.

    13F-HR 0002012383-26-003238 filed by BlackRock, Inc.
    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 24,394,842 shares
    Change vs previous 13F +1,969,621 shares

    0.1% of the 13F portfolio, value $5,956,732,436.

    13F-HR 0002012383-26-001841 filed by BlackRock, Inc.
    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 22,425,221 shares
    Change vs previous 13F +8,767 shares

    0.06% of the 13F portfolio, value $3,647,013,573.

    13F-HR 0002012383-26-000920 filed by BlackRock, Inc.
    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 22,416,454 shares
    Change vs previous 13F -1,001,490 shares

    0.08% of the 13F portfolio, value $4,320,547,349.

    13F-HR 0002012383-25-002949 filed by BlackRock, Inc.
    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 23,417,944 shares
    Change vs previous 13F -903,020 shares

    0.07% of the 13F portfolio, value $3,889,954,644.

    13F-HR 0001060021-25-000120 filed by BlackRock, Inc.
    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 24,320,964 shares
    Change vs previous 13F -431,452 shares

    0.07% of the 13F portfolio, value $3,543,321,200.

    13F-HR 0001576419-25-000869 filed by BlackRock, Inc.
    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 24,752,416 shares
    Change vs previous 13F -613,848 shares

    0.07% of the 13F portfolio, value $3,452,962,094.

    13F-HR 0001060021-25-000002 filed by BlackRock, Inc.
    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 25,366,264 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $4,132,417,987.

    13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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