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SCHRODER INVESTMENT MANAGEMENT GROUP: CIEN position timeline

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

SCHRODER INVESTMENT MANAGEMENT GROUP held 310,874 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 310,874 shares
    Change vs previous 13F -83,218 shares

    0.11% of the 13F portfolio, value $148,886,885.

    13F-HR 0001140361-26-032721 filed by SCHRODER INVESTMENT MANAGEMENT GROUP
    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 394,092 shares
    Change vs previous 13F -206,462 shares

    0.12% of the 13F portfolio, value $143,843,580.

    13F-HR 0001140361-26-021232 filed by SCHRODER INVESTMENT MANAGEMENT GROUP
    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 600,554 shares
    Change vs previous 13F -196,225 shares

    0.11% of the 13F portfolio, value $143,148,051.

    13F-HR 0001140361-26-005339 filed by SCHRODER INVESTMENT MANAGEMENT GROUP
    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 796,779 shares
    Change vs previous 13F -315,345 shares

    0.09% of the 13F portfolio, value $114,831,790.

    13F-HR 0001140361-25-041747 filed by SCHRODER INVESTMENT MANAGEMENT GROUP
    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 1,112,124 shares
    Change vs previous 13F +132,595 shares

    0.08% of the 13F portfolio, value $90,449,045.

    13F-HR 0001140361-25-030720 filed by SCHRODER INVESTMENT MANAGEMENT GROUP
    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 979,529 shares
    Change vs previous 13F -258,491 shares

    0.06% of the 13F portfolio, value $60,299,805.

    13F-HR 0001140361-25-018560 filed by SCHRODER INVESTMENT MANAGEMENT GROUP
    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 1,238,020 shares
    Change vs previous 13F -257,615 shares

    0.1% of the 13F portfolio, value $105,244,080.

    13F-HR 0001140361-25-003984 filed by SCHRODER INVESTMENT MANAGEMENT GROUP
    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 1,495,635 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $92,445,199.

    13F-HR 0001140361-24-046327 filed by SCHRODER INVESTMENT MANAGEMENT GROUP
    Filed (acceptance time not in the bulk data set), ingested

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