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BlackRock, Inc.: OMC position timeline

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

BlackRock, Inc. held 28,593,656 OMC 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 28,593,656 shares
    Change vs previous 13F -904,503 shares

    0.03% of the 13F portfolio, value $2,082,475,973.

    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 29,498,159 shares
    Change vs previous 13F +315,426 shares

    0.04% of the 13F portfolio, value $2,221,506,333.

    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 29,182,733 shares
    Change vs previous 13F +8,633,788 shares

    0.04% of the 13F portfolio, value $2,356,505,721.

    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 20,548,945 shares
    Change vs previous 13F +141,157 shares

    0.03% of the 13F portfolio, value $1,675,355,467.

    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 20,407,788 shares
    Change vs previous 13F +36,517 shares

    0.03% of the 13F portfolio, value $1,468,136,230.

    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 20,371,271 shares
    Change vs previous 13F +949,035 shares

    0.04% of the 13F portfolio, value $1,688,982,017.

    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 19,422,236 shares
    Change vs previous 13F +648,496 shares

    0.03% of the 13F portfolio, value $1,671,089,193.

    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 18,773,740 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $1,941,016,971.

    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).