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Disclosery

K2 PRINCIPAL FUND, L.P.: CIEN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of K2 PRINCIPAL FUND, L.P. on CIEN, newest first. How the timeline and the estimate are built.

K2 PRINCIPAL FUND, L.P. held 0 CIEN shares at 2025-09-30 per its 13F-HR filed 2025-11-13.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -13,013 shares

    13F-HR 0001461790-25-000054 filed by K2 PRINCIPAL FUND, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-06-30
    13F 13,013 shares
    Change vs previous 13F 0 shares

    0.19% of the 13F portfolio, value $1,058,347.

    13F-HR 0001461790-25-000044 filed by K2 PRINCIPAL FUND, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-03-31
    13F 13,013 shares
    Change vs previous 13F -8,209 shares

    0.12% of the 13F portfolio, value $786,376.

    13F-HR 0001461790-25-000039 filed by K2 PRINCIPAL FUND, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2024-12-31
    13F 21,222 shares
    Change vs previous 13F -4,354 shares

    0.26% of the 13F portfolio, value $1,799,838.

    13F-HR 0001461790-25-000034 filed by K2 PRINCIPAL FUND, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-09-30
    13F 25,576 shares
    Change vs previous 13F not available

    0.26% of the 13F portfolio, value $1,575,226.

    13F-HR 0001461790-24-000046 filed by K2 PRINCIPAL FUND, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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