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KENNEDY CAPITAL MANAGEMENT LLC: ATMU position timeline

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

KENNEDY CAPITAL MANAGEMENT LLC held 37,515 ATMU shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 37,515 shares
    Change vs previous 13F -237,716 shares

    0.03% of the 13F portfolio, value $1,912,890.

    13F-HR 0000884589-26-000010 filed by KENNEDY CAPITAL 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 275,231 shares
    Change vs previous 13F -68,617 shares

    0.33% of the 13F portfolio, value $15,624,864.

    13F-HR 0000884589-26-000006 filed by KENNEDY CAPITAL 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 343,848 shares
    Change vs previous 13F -7,762 shares

    0.38% of the 13F portfolio, value $17,849,150.

    13F-HR 0000884589-26-000003 filed by KENNEDY CAPITAL 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 351,610 shares
    Change vs previous 13F +167,095 shares

    0.35% of the 13F portfolio, value $15,854,095.

    13F-HR 0000884589-25-000012 filed by KENNEDY CAPITAL 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 184,515 shares
    Change vs previous 13F -37,666 shares

    0.16% of the 13F portfolio, value $6,720,036.

    13F-HR 0000884589-25-000009 filed by KENNEDY CAPITAL 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 222,181 shares
    Change vs previous 13F -215,971 shares

    0.19% of the 13F portfolio, value $8,160,708.

    13F-HR 0000884589-25-000006 filed by KENNEDY CAPITAL 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 438,152 shares
    Change vs previous 13F -62,449 shares

    0.38% of the 13F portfolio, value $17,166,795.

    13F-HR 0000884589-25-000002 filed by KENNEDY CAPITAL 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 500,601 shares
    Change vs previous 13F not available

    0.41% of the 13F portfolio, value $18,787,556.

    13F-HR 0000884589-24-000010 filed by KENNEDY CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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