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PRELUDE CAPITAL MANAGEMENT, LLC: CIEN position timeline

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

PRELUDE CAPITAL MANAGEMENT, LLC held 2,068 CIEN shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,068 shares
    Change vs previous 13F -3,511 shares

    0.07% of the 13F portfolio, value $1,014,478.

    13F-HR 0000945621-26-001059 filed by PRELUDE CAPITAL MANAGEMENT, 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 5,579 shares
    Change vs previous 13F -20,384 shares

    0.17% of the 13F portfolio, value $2,165,935.

    13F-HR 0000945621-26-000717 filed by PRELUDE CAPITAL MANAGEMENT, 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 25,963 shares
    Change vs previous 13F +3,809 shares

    0.45% of the 13F portfolio, value $6,071,967.

    13F-HR 0000945621-26-000327 filed by PRELUDE CAPITAL MANAGEMENT, 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 22,154 shares
    Change vs previous 13F +15,154 shares

    0.25% of the 13F portfolio, value $3,227,173.

    13F-HR 0000945621-25-001135 filed by PRELUDE CAPITAL MANAGEMENT, 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 7,000 shares
    Change vs previous 13F +7,000 shares

    0.06% of the 13F portfolio, value $569,310.

    13F-HR 0000945621-25-000769 filed by PRELUDE CAPITAL MANAGEMENT, 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 0 shares
    Change vs previous 13F -7,122 shares

    13F-HR 0000945621-25-000489 filed by PRELUDE CAPITAL MANAGEMENT, LLC
    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.

  7. period ended2024-12-31
    13F 7,122 shares
    Change vs previous 13F +7,122 shares

    0.05% of the 13F portfolio, value $604,017.

    13F-HR 0000945621-25-000189 filed by PRELUDE CAPITAL MANAGEMENT, LLC
    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/A 0 shares
    Change vs previous 13F not available

    13F-HR/A 0000945621-24-000950 filed by PRELUDE CAPITAL MANAGEMENT, LLC
    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.