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BlackRock, Inc.: OC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BlackRock, Inc. on OC, newest first. How the timeline and the estimate are built.

BlackRock, Inc. held 8,814,550 OC 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 8,814,550 shares
    Change vs previous 13F -396,314 shares

    0.02% of the 13F portfolio, value $1,401,160,809.

    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 9,210,864 shares
    Change vs previous 13F -142,518 shares

    0.02% of the 13F portfolio, value $996,799,719.

    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 9,353,382 shares
    Change vs previous 13F -1,362,214 shares

    0.02% of the 13F portfolio, value $1,046,736,970.

    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 10,715,596 shares
    Change vs previous 13F +11,710 shares

    0.03% of the 13F portfolio, value $1,515,828,143.

    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 10,703,886 shares
    Change vs previous 13F -149,843 shares

    0.03% of the 13F portfolio, value $1,471,998,400.

    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 10,853,729 shares
    Change vs previous 13F +324,747 shares

    0.03% of the 13F portfolio, value $1,550,129,575.

    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 10,528,982 shares
    Change vs previous 13F +502,408 shares

    0.04% of the 13F portfolio, value $1,793,296,226.

    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 10,026,574 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $1,769,890,849.

    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).