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CITADEL ADVISORS LLC: MLCO position timeline

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

CITADEL ADVISORS LLC held 11,607,461 MLCO 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 11,607,461 shares
    Change vs previous 13F +540,524 shares

    0.04% of the 13F portfolio, value $61,171,320.

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

  2. period ended2026-03-31
    13F 11,066,937 shares
    Change vs previous 13F +794,046 shares

    0.04% of the 13F portfolio, value $62,860,202.

    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 10,272,891 shares
    Change vs previous 13F -168,955 shares

    0.05% of the 13F portfolio, value $77,765,785.

    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 10,441,846 shares
    Change vs previous 13F -3,570,303 shares

    0.08% of the 13F portfolio, value $95,751,728.

    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 14,012,149 shares
    Change vs previous 13F +4,762,382 shares

    0.09% of the 13F portfolio, value $101,307,837.

    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 9,249,767 shares
    Change vs previous 13F -1,540,900 shares

    0.05% of the 13F portfolio, value $48,746,273.

    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 10,790,667 shares
    Change vs previous 13F +4,620,530 shares

    0.06% of the 13F portfolio, value $62,477,962.

    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 6,170,137 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $48,065,367.

    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).