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
- period ended2026-06-3013F 447,426 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 457,508 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 364,756 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 315,862 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 254,551 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 249,468 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 207,107 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 232,243 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).