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NEW YORK STATE TEACHERS RETIREMENT SYSTEM: CIEN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of NEW YORK STATE TEACHERS RETIREMENT SYSTEM on CIEN, newest first. How the timeline and the estimate are built.

NEW YORK STATE TEACHERS RETIREMENT SYSTEM held 111,896 CIEN shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 111,896 shares
    Change vs previous 13F -12,850 shares

    0.1% of the 13F portfolio, value $54,892,000.

    13F-HR 0000314969-26-000007 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    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 124,746 shares
    Change vs previous 13F -16,939 shares

    0.1% of the 13F portfolio, value $48,430,000.

    13F-HR 0000314969-26-000005 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    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 141,685 shares
    Change vs previous 13F -1,746 shares

    0.06% of the 13F portfolio, value $33,136,000.

    13F-HR 0000314969-26-000003 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    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 143,431 shares
    Change vs previous 13F -5,396 shares

    0.04% of the 13F portfolio, value $20,894,000.

    13F-HR 0000314969-25-000014 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    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 148,827 shares
    Change vs previous 13F 0 shares

    0.03% of the 13F portfolio, value $12,104,000.

    13F-HR 0000314969-25-000009 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    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 148,827 shares
    Change vs previous 13F -2,092 shares

    0.02% of the 13F portfolio, value $8,994,000.

    13F-HR 0000314969-25-000005 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 150,919 shares
    Change vs previous 13F -100 shares

    0.03% of the 13F portfolio, value $12,799,000.

    13F-HR 0000314969-25-000003 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    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 151,019 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $9,301,000.

    13F-HR 0000314969-24-000012 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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