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Disclosery

Atom Investors LP: CIEN position timeline

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

Atom Investors LP held 0 CIEN shares at 2025-09-30 per its 13F-HR filed 2025-11-14.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -15,137 shares

    13F-HR 0001214659-25-016495 filed by Atom Investors LP
    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 15,137 shares
    Change vs previous 13F -6,042 shares

    0.11% of the 13F portfolio, value $1,231,092.

    13F-HR 0001214659-25-012165 filed by Atom Investors LP
    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 21,179 shares
    Change vs previous 13F +21,179 shares

    0.16% of the 13F portfolio, value $1,279,847.

    13F-HR 0001214659-25-007681 filed by Atom Investors LP
    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 0 shares
    Change vs previous 13F -21,061 shares

    13F-HR 0001214659-25-002663 filed by Atom Investors LP
    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.

  5. period ended2024-09-30
    13F 21,061 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $1,297,147.

    13F-HR 0001214659-24-018941 filed by Atom Investors LP
    Filed (acceptance time not in the bulk data set), ingested

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