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Disclosery

DNB Asset Management AS: CIEN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DNB Asset Management AS on CIEN, newest first. How the timeline and the estimate are built.

DNB Asset Management AS held 31,940 CIEN shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 31,940 shares
    Change vs previous 13F +1,806 shares

    0.04% of the 13F portfolio, value $15,668,486.

    13F-HR 0000912282-26-001061 filed by DNB Asset Management AS
    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 30,134 shares
    Change vs previous 13F +2,607 shares

    0.04% of the 13F portfolio, value $11,698,923.

    13F-HR 0000912282-26-000720 filed by DNB Asset Management AS
    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 27,527 shares
    Change vs previous 13F +25,225 shares

    0.02% of the 13F portfolio, value $6,437,739.

    13F-HR 0000912282-26-000250 filed by DNB Asset Management AS
    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 2,302 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $335,332.

    13F-HR 0000912282-25-001221 filed by DNB Asset Management AS
    Filed (acceptance time not in the bulk data set), ingested

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