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Van Berkom & Associates Inc.: ATAT position timeline

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

Van Berkom & Associates Inc. held 87,462 ATAT shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 87,462 shares
    Change vs previous 13F +17,119 shares

    0.09% of the 13F portfolio, value $2,781,000.

    13F-HR 0001524408-26-000013 filed by Van Berkom & Associates 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/A 70,343 shares
    Change vs previous 13F +300 shares

    0.08% of the 13F portfolio, value $2,589,000.

    13F-HR/A 0001524408-26-000009 filed by Van Berkom & Associates 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 70,043 shares
    Change vs previous 13F +7,065 shares

    0.08% of the 13F portfolio, value $2,760,000.

    13F-HR 0001524408-26-000004 filed by Van Berkom & Associates 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 62,978 shares
    Change vs previous 13F +1,374 shares

    0.07% of the 13F portfolio, value $2,367,000.

    13F-HR 0001524408-25-000014 filed by Van Berkom & Associates 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 61,604 shares
    Change vs previous 13F +10,000 shares

    0.06% of the 13F portfolio, value $2,003,000.

    13F-HR 0001524408-25-000009 filed by Van Berkom & Associates 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 51,604 shares
    Change vs previous 13F -20,204 shares

    0.05% of the 13F portfolio, value $1,463,000.

    13F-HR 0001524408-25-000007 filed by Van Berkom & Associates 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 71,808 shares
    Change vs previous 13F +37,940 shares

    0.06% of the 13F portfolio, value $1,931,000.

    13F-HR 0001524408-25-000002 filed by Van Berkom & Associates 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 33,868 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $879,000.

    13F-HR 0001524408-24-000013 filed by Van Berkom & Associates Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).