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Disclosery

Calydon Capital: CIEN position timeline

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

Calydon Capital held 5,623 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 5,623 shares
    Change vs previous 13F -558 shares

    0.4% of the 13F portfolio, value $2,758,419.

    13F-HR 0001104659-26-096633 filed by Calydon Capital
    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 6,181 shares
    Change vs previous 13F -692 shares

    0.39% of the 13F portfolio, value $2,399,650.

    13F-HR 0001104659-26-061985 filed by Calydon Capital
    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 6,873 shares
    Change vs previous 13F -136 shares

    0.27% of the 13F portfolio, value $1,607,389.

    13F-HR 0001104659-26-016164 filed by Calydon Capital
    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 7,009 shares
    Change vs previous 13F -917 shares

    0.16% of the 13F portfolio, value $1,021,001.

    13F-HR 0001104659-25-112136 filed by Calydon Capital
    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 7,926 shares
    Change vs previous 13F -287 shares

    0.06% of the 13F portfolio, value $644,622.

    13F-HR 0001104659-25-078447 filed by Calydon Capital
    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 8,213 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $496,311.

    13F-HR 0001104659-25-049113 filed by Calydon Capital
    Filed (acceptance time not in the bulk data set), ingested

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