Skip to content

OPPENHEIMER ASSET MANAGEMENT INC.: GMAB position timeline

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

OPPENHEIMER ASSET MANAGEMENT INC. held 447,426 GMAB 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 447,426 shares
    Change vs previous 13F -10,082 shares

    0.13% of the 13F portfolio, value $12,290,792.

    13F-HR 0001085146-26-000553 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    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 457,508 shares
    Change vs previous 13F +92,752 shares

    0.14% of the 13F portfolio, value $12,274,939.

    13F-HR 0001085146-26-000369 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    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 364,756 shares
    Change vs previous 13F +48,894 shares

    0.14% of the 13F portfolio, value $11,234,485.

    13F-HR 0001085146-26-000133 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    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 315,862 shares
    Change vs previous 13F +61,311 shares

    0.11% of the 13F portfolio, value $9,687,487.

    13F-HR 0001085146-25-005973 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    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 254,551 shares
    Change vs previous 13F +5,083 shares

    0.06% of the 13F portfolio, value $5,259,024.

    13F-HR 0001085146-25-004405 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    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 249,468 shares
    Change vs previous 13F +42,361 shares

    0.06% of the 13F portfolio, value $4,884,583.

    13F-HR 0001085146-25-002235 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    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 207,107 shares
    Change vs previous 13F -25,136 shares

    0.05% of the 13F portfolio, value $4,322,323.

    13F-HR 0001085146-25-000777 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    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 232,243 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $5,662,084.

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

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