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STATE OF MICHIGAN RETIREMENT SYSTEM: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of STATE OF MICHIGAN RETIREMENT SYSTEM on MRK, newest first. How the timeline and the estimate are built.

STATE OF MICHIGAN RETIREMENT SYSTEM held 663,390 MRK shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 663,390 shares
    Change vs previous 13F -59,700 shares

    0.38% of the 13F portfolio, value $85,245,615.

    13F-HR 0000762152-26-000012 filed by STATE OF MICHIGAN RETIREMENT SYSTEM
    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 723,090 shares
    Change vs previous 13F -1,400 shares

    0.46% of the 13F portfolio, value $86,980,496.

    13F-HR 0000762152-26-000009 filed by STATE OF MICHIGAN RETIREMENT SYSTEM
    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 724,490 shares
    Change vs previous 13F -13,300 shares

    0.37% of the 13F portfolio, value $76,259,817.

    13F-HR 0000762152-26-000007 filed by STATE OF MICHIGAN RETIREMENT SYSTEM
    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 737,790 shares
    Change vs previous 13F -7,300 shares

    0.3% of the 13F portfolio, value $61,922,715.

    13F-HR 0000762152-25-000014 filed by STATE OF MICHIGAN RETIREMENT SYSTEM
    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 745,090 shares
    Change vs previous 13F +25,800 shares

    0.31% of the 13F portfolio, value $58,981,324.

    13F-HR 0000762152-25-000008 filed by STATE OF MICHIGAN RETIREMENT SYSTEM
    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 719,290 shares
    Change vs previous 13F -300 shares

    0.37% of the 13F portfolio, value $64,563,470.

    13F-HR 0000762152-25-000005 filed by STATE OF MICHIGAN RETIREMENT SYSTEM
    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 719,590 shares
    Change vs previous 13F +29,300 shares

    0.37% of the 13F portfolio, value $71,584,813.

    13F-HR 0000762152-25-000003 filed by STATE OF MICHIGAN RETIREMENT SYSTEM
    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 690,290 shares
    Change vs previous 13F not available

    0.39% of the 13F portfolio, value $78,389,332.

    13F-HR 0000762152-24-000013 filed by STATE OF MICHIGAN RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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