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Disclosery

Mesirow Financial Investment Management, Inc.: CIEN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Mesirow Financial Investment Management, Inc. on CIEN, newest first. How the timeline and the estimate are built.

Mesirow Financial Investment Management, Inc. held 3,151 CIEN shares at 2026-06-30 per its 13F-HR filed 2026-07-22.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,151 shares
    Change vs previous 13F -699 shares

    0.02% of the 13F portfolio, value $1,545,755.

    13F-HR 0001469475-26-000004 filed by Mesirow Financial Investment Management, Inc.
    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 3,850 shares
    Change vs previous 13F +1,450 shares

    0.02% of the 13F portfolio, value $1,494,686.

    13F-HR 0001469475-26-000002 filed by Mesirow Financial Investment Management, Inc.
    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 2,400 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $561,288.

    13F-HR 0001469475-26-000001 filed by Mesirow Financial Investment Management, Inc.
    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 2,400 shares
    Change vs previous 13F +2,400 shares

    0.01% of the 13F portfolio, value $349,608.

    13F-HR 0001469475-25-000002 filed by Mesirow Financial Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -2,400 shares

    13F-HR 0001085146-25-002744 filed by Mesirow Financial Investment Management, Inc.
    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.

  6. period ended2024-12-31
    13F 2,400 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $203,544.

    13F-HR 0001085146-25-000865 filed by Mesirow Financial Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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