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Disclosery

BlackRock, Inc.: ATMU position timeline

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

BlackRock, Inc. held 12,387,072 ATMU 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 12,387,072 shares
    Change vs previous 13F +5,576,211 shares

    0.01% of the 13F portfolio, value $631,616,801.

    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 6,810,861 shares
    Change vs previous 13F +40,299 shares

    0.01% of the 13F portfolio, value $386,652,580.

    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 6,770,562 shares
    Change vs previous 13F +109,571 shares

    0.01% of the 13F portfolio, value $351,459,872.

    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 6,660,991 shares
    Change vs previous 13F -77,951 shares

    0.01% of the 13F portfolio, value $300,344,103.

    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 6,738,942 shares
    Change vs previous 13F -331,457 shares

    <0.01% of the 13F portfolio, value $245,432,268.

    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 7,070,399 shares
    Change vs previous 13F +540,554 shares

    0.01% of the 13F portfolio, value $259,695,737.

    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 6,529,845 shares
    Change vs previous 13F +488,827 shares

    0.01% of the 13F portfolio, value $255,839,326.

    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 6,041,018 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $226,719,404.

    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).