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Disclosery

Swiss National Bank: MPC position timeline

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

Swiss National Bank held 830,666 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 830,666 shares
    Change vs previous 13F -51,500 shares

    0.11% of the 13F portfolio, value $212,376,376.

    13F-HR 0001582202-26-000007 filed by Swiss National Bank
    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 882,166 shares
    Change vs previous 13F +49,000 shares

    0.12% of the 13F portfolio, value $215,407,294.

    13F-HR 0001582202-26-000004 filed by Swiss National Bank
    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 833,166 shares
    Change vs previous 13F -52,400 shares

    0.08% of the 13F portfolio, value $135,497,787.

    13F-HR 0001582202-26-000002 filed by Swiss National Bank
    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 885,566 shares
    Change vs previous 13F -57,400 shares

    0.1% of the 13F portfolio, value $170,683,991.

    13F-HR 0001582202-25-000011 filed by Swiss National Bank
    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 942,966 shares
    Change vs previous 13F +36,600 shares

    0.09% of the 13F portfolio, value $156,636,082.

    13F-HR 0001582202-25-000007 filed by Swiss National Bank
    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 906,366 shares
    Change vs previous 13F -39,100 shares

    0.09% of the 13F portfolio, value $132,048,463.

    13F-HR 0001582202-25-000004 filed by Swiss National Bank
    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 945,466 shares
    Change vs previous 13F -100,300 shares

    0.09% of the 13F portfolio, value $131,892,507.

    13F-HR 0001582202-25-000002 filed by Swiss National Bank
    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 1,045,766 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $170,365,739.

    13F-HR 0001582202-24-000011 filed by Swiss National Bank
    Filed (acceptance time not in the bulk data set), ingested

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