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STEADFAST CAPITAL MANAGEMENT LP: CIEN position timeline

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

STEADFAST CAPITAL MANAGEMENT LP held 0 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 0 shares
    Change vs previous 13F -81,670 shares

    13F-HR 0001214822-26-000007 filed by STEADFAST CAPITAL MANAGEMENT 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 ended2026-03-31
    13F 81,670 shares
    Change vs previous 13F -226,530 shares

    1.2% of the 13F portfolio, value $31,706,744.

    13F-HR 0001214822-26-000004 filed by STEADFAST CAPITAL MANAGEMENT LP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 308,200 shares
    Change vs previous 13F not available

    1.26% of the 13F portfolio, value $72,078,734.

    13F-HR 0001214822-26-000002 filed by STEADFAST CAPITAL MANAGEMENT LP
    Filed (acceptance time not in the bulk data set), ingested

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