Skip to content
Disclosery

MILLENNIUM MANAGEMENT LLC: CCOI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MILLENNIUM MANAGEMENT LLC on CCOI, newest first. How the timeline and the estimate are built.

MILLENNIUM MANAGEMENT LLC held 119,138 CCOI 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 119,138 shares
    Change vs previous 13F -109,258 shares

    <0.01% of the 13F portfolio, value $1,653,635.

    13F-HR 0001273087-26-000007 filed by MILLENNIUM MANAGEMENT LLC
    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 228,396 shares
    Change vs previous 13F +189,613 shares

    <0.01% of the 13F portfolio, value $4,302,981.

    13F-HR 0001273087-26-000004 filed by MILLENNIUM MANAGEMENT LLC
    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 38,783 shares
    Change vs previous 13F -40,956 shares

    <0.01% of the 13F portfolio, value $836,161.

    13F-HR 0001273087-26-000002 filed by MILLENNIUM MANAGEMENT LLC
    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 79,739 shares
    Change vs previous 13F +58,700 shares

    <0.01% of the 13F portfolio, value $3,057,991.

    13F-HR 0001273087-25-000034 filed by MILLENNIUM MANAGEMENT LLC
    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 21,039 shares
    Change vs previous 13F -14,660 shares

    <0.01% of the 13F portfolio, value $1,014,290.

    13F-HR 0001273087-25-000028 filed by MILLENNIUM MANAGEMENT LLC
    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 35,699 shares
    Change vs previous 13F +31,171 shares

    <0.01% of the 13F portfolio, value $2,188,706.

    13F-HR 0001273087-25-000019 filed by MILLENNIUM MANAGEMENT LLC
    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 4,528 shares
    Change vs previous 13F -8,863 shares

    <0.01% of the 13F portfolio, value $348,973.

    13F-HR 0001273087-25-000015 filed by MILLENNIUM MANAGEMENT LLC
    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 13,391 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,016,645.

    13F-HR 0001273087-24-000118 filed by MILLENNIUM MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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