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Disclosery

CITADEL ADVISORS LLC: MREO position timeline

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

CITADEL ADVISORS LLC held 444,158 MREO 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 444,158 shares
    Change vs previous 13F +444,158 shares

    <0.01% of the 13F portfolio, value $141,109.

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

  2. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -3,171,632 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  3. period ended2025-09-30
    13F 3,171,632 shares
    Change vs previous 13F +2,410,973 shares

    0.01% of the 13F portfolio, value $6,533,561.

    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).

  4. period ended2025-06-30
    13F 760,659 shares
    Change vs previous 13F +417,006 shares

    <0.01% of the 13F portfolio, value $2,061,386.

    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).

  5. period ended2025-03-31
    13F 343,653 shares
    Change vs previous 13F +29,703 shares

    <0.01% of the 13F portfolio, value $773,219.

    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).

  6. period ended2024-12-31
    13F 313,950 shares
    Change vs previous 13F +183,692 shares

    <0.01% of the 13F portfolio, value $1,098,825.

    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).

  7. period ended2024-09-30
    13F 130,258 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $535,361.

    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).