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ABN AMRO INVESTMENT SOLUTIONS: CIEN position timeline

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

ABN AMRO INVESTMENT SOLUTIONS held 35,075 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 35,075 shares
    Change vs previous 13F +775 shares

    0.15% of the 13F portfolio, value $17,206,392.

    13F-HR 0002080520-26-000003 filed by ABN AMRO INVESTMENT SOLUTIONS
    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 34,300 shares
    Change vs previous 13F -20,894 shares

    0.17% of the 13F portfolio, value $13,316,289.

    13F-HR 0002080520-26-000002 filed by ABN AMRO INVESTMENT SOLUTIONS
    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 55,194 shares
    Change vs previous 13F +17,565 shares

    0.19% of the 13F portfolio, value $12,908,221.

    13F-HR 0002080520-26-000001 filed by ABN AMRO INVESTMENT SOLUTIONS
    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 37,629 shares
    Change vs previous 13F -3,752 shares

    0.11% of the 13F portfolio, value $5,481,416.

    13F-HR 0002080520-25-000020 filed by ABN AMRO INVESTMENT SOLUTIONS
    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 41,381 shares
    Change vs previous 13F -160 shares

    0.07% of the 13F portfolio, value $3,365,517.

    13F-HR 0002080520-25-000001 filed by ABN AMRO INVESTMENT SOLUTIONS
    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 41,541 shares
    Change vs previous 13F -3,623 shares

    0.05% of the 13F portfolio, value $2,510,323.

    13F-HR 0002080520-25-000010 filed by ABN AMRO INVESTMENT SOLUTIONS
    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 45,164 shares
    Change vs previous 13F -7,171 shares

    0.07% of the 13F portfolio, value $3,830,359.

    13F-HR 0002080520-25-000011 filed by ABN AMRO INVESTMENT SOLUTIONS
    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 52,335 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $3,223,313.

    13F-HR 0002080520-25-000012 filed by ABN AMRO INVESTMENT SOLUTIONS
    Filed (acceptance time not in the bulk data set), ingested

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