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Mirae Asset Global Investments Co., Ltd.: CIEN position timeline

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

Mirae Asset Global Investments Co., Ltd. held 75,102 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 75,102 shares
    Change vs previous 13F -37,169 shares

    0.03% of the 13F portfolio, value $36,835,815.

    13F-HR 0000905148-26-003308 filed by Mirae Asset Global Investments Co., Ltd.
    Filed (acceptance time not in the bulk data set), ingested

    • Mirae Asset Global Investments Co., Ltd.: 60,306 shares
    • MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.: 14,796 shares

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

  2. period ended2026-03-31
    13F/A 112,271 shares
    Change vs previous 13F +77,765 shares

    0.04% of the 13F portfolio, value $43,575,518.

    13F-HR/A 0000905148-26-003592 filed by Mirae Asset Global Investments Co., Ltd.
    Filed (acceptance time not in the bulk data set), ingested

    • Mirae Asset Global Investments Co., Ltd.: 98,030 shares
    • MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.: 14,241 shares

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

  3. period ended2025-12-31
    13F 34,506 shares
    Change vs previous 13F +34,506 shares

    0.01% of the 13F portfolio, value $8,072,308.

    13F-HR 0000905148-26-000335 filed by Mirae Asset Global Investments Co., Ltd.
    Filed (acceptance time not in the bulk data set), ingested

    • Mirae Asset Global Investments Co., Ltd.: 32,363 shares
    • MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.: 2,143 shares

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

  4. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -4,851 shares

    13F-HR 0000905148-25-002484 filed by Mirae Asset Global Investments Co., Ltd.
    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.

  5. period ended2025-03-31
    13F 4,851 shares
    Change vs previous 13F -10,538 shares

    <0.01% of the 13F portfolio, value $298,628.

    13F-HR 0000905148-25-001297 filed by Mirae Asset Global Investments Co., Ltd.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 15,389 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,308,219.

    13F-HR 0000905148-25-000188 filed by Mirae Asset Global Investments Co., Ltd.
    Filed (acceptance time not in the bulk data set), ingested

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