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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

  1. period ended2026-06-30
    13F 9,845,048 shares
    Change 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), ingested

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

  2. period ended2026-03-31
    13F 9,940,647 shares
    Change 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), ingested

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

  3. period ended2025-12-31
    13F 7,379,048 shares
    Change 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), ingested

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

  4. period ended2025-09-30
    13F 7,465,784 shares
    Change 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), ingested

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

  5. period ended2025-06-30
    13F 7,230,875 shares
    Change 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), ingested

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

  6. period ended2025-03-31
    13F 8,282,389 shares
    Change 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), ingested

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

  7. period ended2024-12-31
    13F 8,107,189 shares
    Change 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), ingested

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

  8. period ended2024-09-30
    13F 8,076,431 shares
    Change 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), ingested

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