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Disclosery

RHUMBLINE ADVISERS: CIEN position timeline

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

RHUMBLINE ADVISERS held 258,789 CIEN shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 258,789 shares
    Change vs previous 13F +12,481 shares

    0.1% of the 13F portfolio, value $126,951,409.

    13F-HR 0001115418-26-000005 filed by RHUMBLINE ADVISERS
    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 246,308 shares
    Change vs previous 13F -137,174 shares

    0.08% of the 13F portfolio, value $95,624,047.

    13F-HR 0001115418-26-000003 filed by RHUMBLINE ADVISERS
    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 383,482 shares
    Change vs previous 13F +11,046 shares

    0.07% of the 13F portfolio, value $89,684,880.

    13F-HR 0001115418-26-000002 filed by RHUMBLINE ADVISERS
    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 372,436 shares
    Change vs previous 13F -6,219 shares

    0.04% of the 13F portfolio, value $54,252,700.

    13F-HR 0001115418-25-000021 filed by RHUMBLINE ADVISERS
    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 378,655 shares
    Change vs previous 13F -2,705 shares

    0.03% of the 13F portfolio, value $30,795,953.

    13F-HR 0001115418-25-000017 filed by RHUMBLINE ADVISERS
    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/A 381,360 shares
    Change vs previous 13F -8,788 shares

    0.02% of the 13F portfolio, value $23,045,532.

    13F-HR/A 0001115418-25-000005 filed by RHUMBLINE ADVISERS
    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/A 390,148 shares
    Change vs previous 13F +2,594 shares

    0.03% of the 13F portfolio, value $33,088,394.

    13F-HR/A 0001115418-25-000006 filed by RHUMBLINE ADVISERS
    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 387,554 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $23,869,398.

    13F-HR 0001115418-24-000011 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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