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Disclosery

BlackRock, Inc.: ATEC position timeline

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

BlackRock, Inc. held 11,326,677 ATEC 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 11,326,677 shares
    Change vs previous 13F +1,238,495 shares

    <0.01% of the 13F portfolio, value $97,975,756.

    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 10,088,182 shares
    Change vs previous 13F -69,466 shares

    <0.01% of the 13F portfolio, value $109,759,421.

    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 10,157,648 shares
    Change vs previous 13F -212,649 shares

    <0.01% of the 13F portfolio, value $213,716,915.

    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 10,370,297 shares
    Change vs previous 13F +854,348 shares

    <0.01% of the 13F portfolio, value $150,784,120.

    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 9,515,949 shares
    Change vs previous 13F +1,178,720 shares

    <0.01% of the 13F portfolio, value $105,627,032.

    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 8,337,229 shares
    Change vs previous 13F -235,753 shares

    <0.01% of the 13F portfolio, value $84,539,500.

    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 8,572,982 shares
    Change vs previous 13F +314,330 shares

    <0.01% of the 13F portfolio, value $78,699,976.

    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 8,258,652 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $45,918,108.

    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).