OPPENHEIMER ASSET MANAGEMENT INC.: AMKR position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of OPPENHEIMER ASSET MANAGEMENT INC. on AMKR, newest first. How the timeline and the estimate are built.
OPPENHEIMER ASSET MANAGEMENT INC. held 54,531 AMKR shares at 2026-06-30 per its 13F-HR filed 2026-08-03.
the latest 13F is the newest step
- period ended2026-06-3013F 54,531 sharesChange vs previous 13F -1,738 shares
0.02% of the 13F portfolio, value $4,702,209.
13F-HR 0001085146-26-000553 filed by OPPENHEIMER ASSET MANAGEMENT INC.
Filed (acceptance time not in the bulk data set), ingested- OPPENHEIMER & CO INC: 7,659 shares
- OPPENHEIMER ASSET MANAGEMENT INC.: 46,872 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 56,269 sharesChange vs previous 13F +56,269 shares
0.03% of the 13F portfolio, value $2,533,793.
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 0 sharesChange vs previous 13F -68,005 shares
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).
Exited: the 13F for this period no longer lists the position.
- period ended2025-09-3013F 68,005 sharesChange vs previous 13F -673 shares
0.02% of the 13F portfolio, value $1,931,342.
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 68,678 sharesChange vs previous 13F +30,708 shares
0.02% of the 13F portfolio, value $1,441,551.
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 37,970 sharesChange vs previous 13F +1,819 shares
0.01% of the 13F portfolio, value $685,738.
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 36,151 sharesChange vs previous 13F -1,901 shares
0.01% of the 13F portfolio, value $928,719.
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 38,052 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $1,164,391.
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).