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PERKINS CAPITAL MANAGEMENT INC: ATEC position timeline

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

PERKINS CAPITAL MANAGEMENT INC held 175,197 ATEC shares at 2026-06-30 per its 13F-HR filed 2026-07-24.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 175,197 shares
    Change vs previous 13F +3,350 shares

    1.14% of the 13F portfolio, value $1,515,454.

    13F-HR 0000884300-26-000003 filed by PERKINS CAPITAL MANAGEMENT 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 171,847 shares
    Change vs previous 13F +100 shares

    1.75% of the 13F portfolio, value $1,869,695.

    13F-HR 0000884300-26-000002 filed by PERKINS CAPITAL MANAGEMENT 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 171,747 shares
    Change vs previous 13F -1,570 shares

    2.87% of the 13F portfolio, value $3,613,557.

    13F-HR 0000884300-26-000001 filed by PERKINS CAPITAL MANAGEMENT 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 173,317 shares
    Change vs previous 13F -6,500 shares

    2.22% of the 13F portfolio, value $2,520,029.

    13F-HR 0000884300-25-000006 filed by PERKINS CAPITAL MANAGEMENT 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 179,817 shares
    Change vs previous 13F -700 shares

    0.05% of the 13F portfolio, value $49,522.

    13F-HR 0000884300-25-000004 filed by PERKINS CAPITAL MANAGEMENT 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 180,517 shares
    Change vs previous 13F -1,050 shares

    1.93% of the 13F portfolio, value $1,830,442.

    13F-HR 0000884300-25-000002 filed by PERKINS CAPITAL MANAGEMENT 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 181,567 shares
    Change vs previous 13F +900 shares

    1.48% of the 13F portfolio, value $1,666,785.

    13F-HR 0000884300-25-000001 filed by PERKINS CAPITAL MANAGEMENT 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 180,667 shares
    Change vs previous 13F not available

    0.94% of the 13F portfolio, value $1,004,509.

    13F-HR 0000884300-24-000009 filed by PERKINS CAPITAL MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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