BlackRock, Inc.: AMPH position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BlackRock, Inc. on AMPH, newest first. How the timeline and the estimate are built.
BlackRock, Inc. held 5,224,934 AMPH shares at 2026-06-30 per its 13F-HR filed 2026-08-07.
the latest 13F is the newest step
- period ended2026-06-3013F 5,224,934 sharesChange vs previous 13F -196,409 shares
<0.01% of the 13F portfolio, value $105,439,168.
13F-HR 0002012383-26-003238 filed by BlackRock, 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 5,421,343 sharesChange vs previous 13F -40,672 shares
<0.01% of the 13F portfolio, value $106,204,108.
13F-HR 0002012383-26-001841 filed by BlackRock, 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 5,462,015 sharesChange vs previous 13F -23,042 shares
<0.01% of the 13F portfolio, value $146,272,762.
13F-HR 0002012383-26-000920 filed by BlackRock, 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 5,485,057 sharesChange vs previous 13F -183,736 shares
<0.01% of the 13F portfolio, value $146,176,770.
13F-HR 0002012383-25-002949 filed by BlackRock, 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 5,668,793 sharesChange vs previous 13F -478,865 shares
<0.01% of the 13F portfolio, value $130,155,486.
13F-HR 0001060021-25-000120 filed by BlackRock, 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 6,147,658 sharesChange vs previous 13F +29,836 shares
<0.01% of the 13F portfolio, value $178,220,606.
13F-HR 0001576419-25-000869 filed by BlackRock, 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 6,117,822 sharesChange vs previous 13F +85,100 shares
<0.01% of the 13F portfolio, value $227,154,732.
13F-HR 0001060021-25-000002 filed by BlackRock, 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 6,032,722 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $292,768,000.
13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).