BlackRock, Inc.: OSW position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BlackRock, Inc. on OSW, newest first. How the timeline and the estimate are built.
BlackRock, Inc. held 9,845,048 OSW shares at 2026-06-30 per its 13F-HR filed 2026-08-07.
the latest 13F is the newest step
- period ended2026-06-3013F 9,845,048 sharesChange vs previous 13F -95,599 shares
<0.01% of the 13F portfolio, value $278,024,164.
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 9,940,647 sharesChange vs previous 13F +2,561,599 shares
<0.01% of the 13F portfolio, value $228,137,839.
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 7,379,048 sharesChange vs previous 13F -86,736 shares
<0.01% of the 13F portfolio, value $153,041,465.
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 7,465,784 sharesChange vs previous 13F +234,909 shares
<0.01% of the 13F portfolio, value $157,826,681.
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 7,230,875 sharesChange vs previous 13F -1,051,514 shares
<0.01% of the 13F portfolio, value $147,437,548.
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 8,282,389 sharesChange vs previous 13F +175,200 shares
<0.01% of the 13F portfolio, value $139,061,313.
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 8,107,189 sharesChange vs previous 13F +30,758 shares
<0.01% of the 13F portfolio, value $161,333,061.
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 8,076,431 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $133,341,876.
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).