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Russell Investments Group, Ltd.: CIEN position timeline

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

Russell Investments Group, Ltd. held 175,002 CIEN shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 175,002 shares
    Change vs previous 13F -3,489 shares

    0.07% of the 13F portfolio, value $85,314,691.

    13F-HR 0001193125-26-336961 filed by Russell Investments Group, Ltd.
    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 178,491 shares
    Change vs previous 13F +70,316 shares

    0.07% of the 13F portfolio, value $68,596,498.

    13F-HR 0001193125-26-213225 filed by Russell Investments Group, Ltd.
    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 108,175 shares
    Change vs previous 13F -72,215 shares

    0.03% of the 13F portfolio, value $25,412,103.

    13F-HR 0001193125-26-053181 filed by Russell Investments Group, Ltd.
    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 180,390 shares
    Change vs previous 13F -82,041 shares

    0.03% of the 13F portfolio, value $26,075,361.

    13F-HR 0001193125-25-278803 filed by Russell Investments Group, Ltd.
    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 262,431 shares
    Change vs previous 13F +48,989 shares

    0.03% of the 13F portfolio, value $21,506,182.

    13F-HR 0000950123-25-007728 filed by Russell Investments Group, Ltd.
    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 213,442 shares
    Change vs previous 13F -113,212 shares

    0.02% of the 13F portfolio, value $13,088,557.

    13F-HR 0000950123-25-004729 filed by Russell Investments Group, Ltd.
    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 326,654 shares
    Change vs previous 13F +34,736 shares

    0.04% of the 13F portfolio, value $27,756,558.

    13F-HR 0000950123-25-001908 filed by Russell Investments Group, Ltd.
    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 291,918 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $18,041,187.

    13F-HR 0000950123-24-011064 filed by Russell Investments Group, Ltd.
    Filed (acceptance time not in the bulk data set), ingested

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