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Disclosery

MORGAN STANLEY: MRK position timeline

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

MORGAN STANLEY held 48,641,158 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 48,641,158 shares
    Change vs previous 13F +1,008,671 shares

    0.33% of the 13F portfolio, value $6,250,389,318.

    13F-HR 0000895421-26-000243 filed by MORGAN STANLEY
    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 47,632,487 shares
    Change vs previous 13F +2,686,466 shares

    0.35% of the 13F portfolio, value $5,729,712,158.

    13F-HR 0000895421-26-000183 filed by MORGAN STANLEY
    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/A 44,946,021 shares
    Change vs previous 13F +359,486 shares

    0.28% of the 13F portfolio, value $4,731,018,465.

    13F-HR/A 0000895421-26-000187 filed by MORGAN STANLEY
    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/A 44,586,535 shares
    Change vs previous 13F +385,841 shares

    0.23% of the 13F portfolio, value $3,742,148,141.

    13F-HR/A 0000895421-26-000186 filed by MORGAN STANLEY
    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 44,200,694 shares
    Change vs previous 13F +1,086,242 shares

    0.23% of the 13F portfolio, value $3,498,927,216.

    13F-HR 0000895421-25-000499 filed by MORGAN STANLEY
    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 43,114,452 shares
    Change vs previous 13F -1,069,247 shares

    0.28% of the 13F portfolio, value $3,869,953,495.

    13F-HR 0000895421-25-000381 filed by MORGAN STANLEY
    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/A 44,183,699 shares
    Change vs previous 13F -208,123 shares

    0.31% of the 13F portfolio, value $4,395,394,744.

    13F-HR/A 0000895421-25-000380 filed by MORGAN STANLEY
    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/A 44,391,822 shares
    Change vs previous 13F not available

    0.37% of the 13F portfolio, value $5,041,135,721.

    13F-HR/A 0000895421-25-000379 filed by MORGAN STANLEY
    Filed (acceptance time not in the bulk data set), ingested

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