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Allspring Global Investments Holdings, LLC: CIEN position timeline

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

Allspring Global Investments Holdings, LLC held 30,669 CIEN shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 30,669 shares
    Change vs previous 13F +13,979 shares

    0.02% of the 13F portfolio, value $14,182,572.

    13F-HR 0001890906-26-000061 filed by Allspring Global Investments Holdings, 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 16,690 shares
    Change vs previous 13F +16,690 shares

    0.01% of the 13F portfolio, value $6,932,859.

    13F-HR 0001890906-26-000040 filed by Allspring Global Investments Holdings, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -2,378 shares

    13F-HR 0001890906-25-000036 filed by Allspring Global Investments Holdings, 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.

  4. period ended2024-09-30
    13F 2,378 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $146,460.

    13F-HR 0001890906-24-000206 filed by Allspring Global Investments Holdings, LLC
    Filed (acceptance time not in the bulk data set), ingested

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