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Atlatl Advisers LLC: CIEN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Atlatl Advisers LLC on CIEN, newest first. How the timeline and the estimate are built.

Atlatl Advisers LLC held 11,976 CIEN 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 11,976 shares
    Change vs previous 13F +9,973 shares

    1.39% of the 13F portfolio, value $5,874,947.

    13F-HR 0002023168-26-000005 filed by Atlatl Advisers 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 2,003 shares
    Change vs previous 13F -2,635 shares

    0.58% of the 13F portfolio, value $777,625.

    13F-HR 0002023168-26-000003 filed by Atlatl Advisers 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 4,638 shares
    Change vs previous 13F -2,245 shares

    0.42% of the 13F portfolio, value $1,084,689.

    13F-HR 0002023168-26-000002 filed by Atlatl Advisers 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 6,883 shares
    Change vs previous 13F -93 shares

    0.4% of the 13F portfolio, value $1,002,647.

    13F-HR 0002023168-25-000007 filed by Atlatl Advisers 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 6,976 shares
    Change vs previous 13F +335 shares

    0.27% of the 13F portfolio, value $567,358.

    13F-HR 0002023168-25-000006 filed by Atlatl Advisers 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 6,641 shares
    Change vs previous 13F +213 shares

    0.26% of the 13F portfolio, value $401,316.

    13F-HR 0002023168-25-000003 filed by Atlatl Advisers 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 6,428 shares
    Change vs previous 13F not available

    0.32% of the 13F portfolio, value $545,159.

    13F-HR 0002023168-25-000001 filed by Atlatl Advisers LLC
    Filed (acceptance time not in the bulk data set), ingested

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