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Cornerstone Wealth Management, LLC: ATMU position timeline

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

Cornerstone Wealth Management, LLC held 5,417 ATMU shares at 2026-06-30 per its 13F-HR filed 2026-07-22.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 5,417 shares
    Change vs previous 13F -728 shares

    0.01% of the 13F portfolio, value $276,196.

    13F-HR 0001674117-26-000004 filed by Cornerstone Wealth Management, LLC
    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 6,145 shares
    Change vs previous 13F -292 shares

    0.02% of the 13F portfolio, value $348,842.

    13F-HR 0001674117-26-000002 filed by Cornerstone Wealth Management, LLC
    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 6,437 shares
    Change vs previous 13F -1,245 shares

    0.02% of the 13F portfolio, value $334,136.

    13F-HR 0001674117-26-000001 filed by Cornerstone Wealth Management, LLC
    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 7,682 shares
    Change vs previous 13F -723 shares

    0.02% of the 13F portfolio, value $346,385.

    13F-HR 0001674117-25-000003 filed by Cornerstone Wealth Management, LLC
    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 8,405 shares
    Change vs previous 13F -13 shares

    0.02% of the 13F portfolio, value $306,123.

    13F-HR 0001085146-25-004917 filed by Cornerstone Wealth Management, LLC
    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 8,418 shares
    Change vs previous 13F +2 shares

    0.02% of the 13F portfolio, value $309,206.

    13F-HR 0001085146-25-002197 filed by Cornerstone Wealth Management, LLC
    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 8,416 shares
    Change vs previous 13F -259 shares

    0.02% of the 13F portfolio, value $329,751.

    13F-HR 0001085146-25-000321 filed by Cornerstone Wealth Management, LLC
    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 8,675 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $325,561.

    13F-HR 0001085146-24-004949 filed by Cornerstone Wealth Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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