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PERKINS CAPITAL MANAGEMENT INC: CIEN position timeline

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

PERKINS CAPITAL MANAGEMENT INC held 6,300 CIEN 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 6,300 shares
    Change vs previous 13F 0 shares

    2.32% of the 13F portfolio, value $3,090,528.

    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 6,300 shares
    Change vs previous 13F 0 shares

    3.23% of the 13F portfolio, value $3,445,849.

    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 6,300 shares
    Change vs previous 13F -3,100 shares

    1.17% of the 13F portfolio, value $1,473,381.

    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 9,400 shares
    Change vs previous 13F -250 shares

    1.21% of the 13F portfolio, value $1,369,298.

    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 9,650 shares
    Change vs previous 13F -4,500 shares

    0.79% of the 13F portfolio, value $784,834.

    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 14,150 shares
    Change vs previous 13F 0 shares

    0.9% of the 13F portfolio, value $855,085.

    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 14,150 shares
    Change vs previous 13F -600 shares

    1.06% of the 13F portfolio, value $1,200,061.

    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 14,750 shares
    Change vs previous 13F not available

    0.85% of the 13F portfolio, value $908,452.

    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).