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Disclosery

BlackRock Inc.: CIEN position timeline

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

BlackRock Inc. held 15,609,770 CIEN shares at 2024-06-30 per its 13F-HR filed 2024-08-13.

the latest 13F is the newest step

  1. period ended2024-06-30
    13F 15,609,770 shares
    Change vs previous 13F +230,877 shares

    0.02% of the 13F portfolio, value $752,078,708.

    13F-HR 0001086364-24-008417 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2024-03-31
    13F 15,378,893 shares
    Change vs previous 13F -917,300 shares

    0.02% of the 13F portfolio, value $760,486,259.

    13F-HR 0001086364-24-007638 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2023-12-31
    13F 16,296,193 shares
    Change vs previous 13F +124,653 shares

    0.02% of the 13F portfolio, value $733,491,646.

    13F-HR 0001086364-24-006999 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2023-09-30
    13F 16,171,540 shares
    Change vs previous 13F -479,131 shares

    0.02% of the 13F portfolio, value $764,266,978.

    13F-HR 0001306550-23-010335 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2023-06-30
    13F 16,650,671 shares
    Change vs previous 13F -246,129 shares

    0.02% of the 13F portfolio, value $707,487,011.

    13F-HR 0001306550-23-009732 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2023-03-31
    13F 16,896,800 shares
    Change vs previous 13F -243,490 shares

    0.03% of the 13F portfolio, value $887,419,935.

    13F-HR 0001086364-23-000015 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2022-12-31
    13F 17,140,290 shares
    Change vs previous 13F +312,931 shares

    0.03% of the 13F portfolio, value $873,811,986.

    13F-HR 0000913414-23-000035 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2022-09-30
    13F 16,827,359 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $680,330,000.

    13F-HR 0001086364-22-000004 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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