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Disclosery

BlackRock, Inc.: ATAT position timeline

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

BlackRock, Inc. held 2,059,908 ATAT 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 2,059,908 shares
    Change vs previous 13F +92,563 shares

    <0.01% of the 13F portfolio, value $65,505,059.

    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 1,967,345 shares
    Change vs previous 13F +226,214 shares

    <0.01% of the 13F portfolio, value $72,417,952.

    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 1,741,131 shares
    Change vs previous 13F +497,237 shares

    <0.01% of the 13F portfolio, value $68,600,543.

    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 1,243,894 shares
    Change vs previous 13F -42,449 shares

    <0.01% of the 13F portfolio, value $46,757,957.

    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 1,286,343 shares
    Change vs previous 13F +134,448 shares

    <0.01% of the 13F portfolio, value $41,818,995.

    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 1,151,895 shares
    Change vs previous 13F -131,940 shares

    <0.01% of the 13F portfolio, value $32,656,224.

    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 1,283,835 shares
    Change vs previous 13F +633,198 shares

    <0.01% of the 13F portfolio, value $34,522,327.

    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 650,637 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $16,877,524.

    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).