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MILLENNIUM MANAGEMENT LLC: MCO position timeline

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

MILLENNIUM MANAGEMENT LLC held 161,259 MCO 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 161,259 shares
    Change vs previous 13F +151,843 shares

    0.05% of the 13F portfolio, value $73,037,426.

    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 9,416 shares
    Change vs previous 13F -1,538 shares

    <0.01% of the 13F portfolio, value $4,107,730.

    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 10,954 shares
    Change vs previous 13F -29,688 shares

    <0.01% of the 13F portfolio, value $5,595,851.

    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 40,642 shares
    Change vs previous 13F +38,995 shares

    0.02% of the 13F portfolio, value $19,365,100.

    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 1,647 shares
    Change vs previous 13F -177,006 shares

    <0.01% of the 13F portfolio, value $826,119.

    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 178,653 shares
    Change vs previous 13F +158,699 shares

    0.08% of the 13F portfolio, value $83,196,916.

    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 19,954 shares
    Change vs previous 13F +1,261 shares

    0.01% of the 13F portfolio, value $9,445,625.

    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 18,693 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $8,871,511.

    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).