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OPPENHEIMER ASSET MANAGEMENT INC.: MRK position timeline

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

OPPENHEIMER ASSET MANAGEMENT INC. held 677,819 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 677,819 shares
    Change vs previous 13F +1,562 shares

    0.46% of the 13F portfolio, value $87,099,745.

    13F-HR 0001085146-26-000553 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 184,897 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 492,922 shares

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

  2. period ended2026-03-31
    13F 676,257 shares
    Change vs previous 13F +8,910 shares

    0.48% of the 13F portfolio, value $81,346,957.

    13F-HR 0001085146-26-000369 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 184,185 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 492,072 shares

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

  3. period ended2025-12-31
    13F 667,347 shares
    Change vs previous 13F -47,915 shares

    0.46% of the 13F portfolio, value $70,244,945.

    13F-HR 0001085146-26-000133 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 164,462 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 502,885 shares

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

  4. period ended2025-09-30
    13F 715,262 shares
    Change vs previous 13F +28,285 shares

    0.35% of the 13F portfolio, value $60,031,940.

    13F-HR 0001085146-25-005973 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 161,264 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 553,998 shares

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

  5. period ended2025-06-30
    13F 686,977 shares
    Change vs previous 13F +6,685 shares

    0.33% of the 13F portfolio, value $54,381,099.

    13F-HR 0001085146-25-004405 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 165,938 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 521,039 shares

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

  6. period ended2025-03-31
    13F 680,292 shares
    Change vs previous 13F -1,782 shares

    0.42% of the 13F portfolio, value $61,063,010.

    13F-HR 0001085146-25-002235 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 202,663 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 477,629 shares

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

  7. period ended2024-12-31
    13F 682,074 shares
    Change vs previous 13F +51,043 shares

    0.45% of the 13F portfolio, value $67,852,721.

    13F-HR 0001085146-25-000777 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 203,328 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 478,746 shares

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

  8. period ended2024-09-30
    13F 631,031 shares
    Change vs previous 13F not available

    0.48% of the 13F portfolio, value $71,659,881.

    13F-HR 0001085146-24-005361 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 206,238 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 424,793 shares

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