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CITADEL ADVISORS LLC: CCOI position timeline

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

CITADEL ADVISORS LLC held 1,172,541 CCOI shares at 2026-06-30 per its 13F-HR/A filed 2026-09-02.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 1,172,541 shares
    Change vs previous 13F +746,261 shares

    0.01% of the 13F portfolio, value $16,274,869.

    13F-HR/A 0001104659-26-104387 filed by CITADEL ADVISORS LLC
    Accepted , ingested

  2. period ended2026-03-31
    13F 426,280 shares
    Change vs previous 13F +259,156 shares

    0.01% of the 13F portfolio, value $8,031,115.

    13F-HR 0001104659-26-062477 filed by CITADEL ADVISORS 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 167,124 shares
    Change vs previous 13F +85,219 shares

    <0.01% of the 13F portfolio, value $3,603,194.

    13F-HR 0001104659-26-016408 filed by CITADEL ADVISORS 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 81,905 shares
    Change vs previous 13F -168,940 shares

    <0.01% of the 13F portfolio, value $3,141,057.

    13F-HR 0001104659-25-112514 filed by CITADEL ADVISORS 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 250,845 shares
    Change vs previous 13F +199,609 shares

    0.01% of the 13F portfolio, value $12,093,238.

    13F-HR 0001104659-25-078555 filed by CITADEL ADVISORS 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 51,236 shares
    Change vs previous 13F -267,197 shares

    <0.01% of the 13F portfolio, value $3,141,279.

    13F-HR 0000950123-25-005687 filed by CITADEL ADVISORS 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 318,433 shares
    Change vs previous 13F -7,524 shares

    0.02% of the 13F portfolio, value $24,541,632.

    13F-HR 0000950123-25-002739 filed by CITADEL ADVISORS 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 325,957 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $24,746,655.

    13F-HR 0000950123-24-011767 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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