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PERKINS CAPITAL MANAGEMENT INC: BKSY position timeline

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

PERKINS CAPITAL MANAGEMENT INC held 28,750 BKSY 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 28,750 shares
    Change vs previous 13F 0 shares

    0.6% of the 13F portfolio, value $802,700.

    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 28,750 shares
    Change vs previous 13F 0 shares

    0.68% of the 13F portfolio, value $723,350.

    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 28,750 shares
    Change vs previous 13F -90,000 shares

    0.43% of the 13F portfolio, value $539,062.

    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 118,750 shares
    Change vs previous 13F -2,750 shares

    2.11% of the 13F portfolio, value $2,392,812.

    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 121,500 shares
    Change vs previous 13F 0 shares

    2.51% of the 13F portfolio, value $2,500,470.

    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 121,500 shares
    Change vs previous 13F 0 shares

    0.99% of the 13F portfolio, value $939,195.

    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 121,500 shares
    Change vs previous 13F -113,500 shares

    1.16% of the 13F portfolio, value $1,310,985.

    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 235,000 shares
    Change vs previous 13F not available

    1.04% of the 13F portfolio, value $1,113,900.

    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).