Skip to content
Disclosery

ACADIAN ASSET MANAGEMENT LLC: MRK position timeline

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

ACADIAN ASSET MANAGEMENT LLC held 3,695,329 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 3,695,329 shares
    Change vs previous 13F -507,052 shares

    0.56% of the 13F portfolio, value $474,809,000.

    13F-HR 0001140361-26-032657 filed by ACADIAN ASSET MANAGEMENT LLC
    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 4,202,381 shares
    Change vs previous 13F +2,607,712 shares

    0.72% of the 13F portfolio, value $505,465,000.

    13F-HR 0001140361-26-020957 filed by ACADIAN ASSET MANAGEMENT LLC
    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 1,594,669 shares
    Change vs previous 13F -608,296 shares

    0.28% of the 13F portfolio, value $167,839,000.

    13F-HR 0001140361-26-004564 filed by ACADIAN ASSET MANAGEMENT LLC
    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 2,202,965 shares
    Change vs previous 13F -1,975,420 shares

    0.32% of the 13F portfolio, value $184,872,000.

    13F-HR 0001140361-25-041908 filed by ACADIAN ASSET MANAGEMENT LLC
    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 4,178,385 shares
    Change vs previous 13F +1,583,692 shares

    0.68% of the 13F portfolio, value $330,731,000.

    13F-HR 0001140361-25-029365 filed by ACADIAN ASSET MANAGEMENT LLC
    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 2,594,693 shares
    Change vs previous 13F +2,027,957 shares

    0.66% of the 13F portfolio, value $232,870,000.

    13F-HR 0001135428-25-000021 filed by ACADIAN ASSET MANAGEMENT LLC
    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 566,736 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $56,364,000.

    13F-HR 0001135428-25-000010 filed by ACADIAN ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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