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Disclosery

Analog Century Management LP: CIEN position timeline

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

Analog Century Management LP held 226,198 CIEN shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 226,198 shares
    Change vs previous 13F -21,214 shares

    4.06% of the 13F portfolio, value $110,963,691.

    13F-HR 0001420506-26-001828 filed by Analog Century Management LP
    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 247,412 shares
    Change vs previous 13F -181,375 shares

    4.59% of the 13F portfolio, value $96,052,761.

    13F-HR 0001420506-26-001142 filed by Analog Century Management LP
    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 428,787 shares
    Change vs previous 13F -288,954 shares

    4.93% of the 13F portfolio, value $100,280,416.

    13F-HR 0001420506-26-000391 filed by Analog Century Management LP
    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/A 717,741 shares
    Change vs previous 13F -181,240 shares

    5.61% of the 13F portfolio, value $104,553,331.

    13F-HR/A 0001420506-25-003458 filed by Analog Century Management LP
    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 898,981 shares
    Change vs previous 13F +57,670 shares

    4.29% of the 13F portfolio, value $73,114,125.

    13F-HR 0001420506-25-002028 filed by Analog Century Management LP
    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 841,311 shares
    Change vs previous 13F +208,509 shares

    4.12% of the 13F portfolio, value $50,840,424.

    13F-HR 0001420506-25-001171 filed by Analog Century Management LP
    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 632,802 shares
    Change vs previous 13F -123,230 shares

    3.59% of the 13F portfolio, value $53,667,938.

    13F-HR 0001420506-25-000491 filed by Analog Century Management LP
    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 756,032 shares
    Change vs previous 13F not available

    3.17% of the 13F portfolio, value $46,564,011.

    13F-HR 0001420506-24-002481 filed by Analog Century Management LP
    Filed (acceptance time not in the bulk data set), ingested

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