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Disclosery

BlackRock, Inc.: MCO position timeline

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

BlackRock, Inc. held 12,461,878 MCO shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 12,461,878 shares
    Change vs previous 13F -665,946 shares

    0.08% of the 13F portfolio, value $5,644,233,742.

    13F-HR 0002012383-26-003238 filed by BlackRock, Inc.
    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 13,127,824 shares
    Change vs previous 13F -901,973 shares

    0.1% of the 13F portfolio, value $5,727,012,953.

    13F-HR 0002012383-26-001841 filed by BlackRock, Inc.
    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 14,029,797 shares
    Change vs previous 13F -623,303 shares

    0.12% of the 13F portfolio, value $7,167,121,683.

    13F-HR 0002012383-26-000920 filed by BlackRock, Inc.
    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 14,653,100 shares
    Change vs previous 13F -456,053 shares

    0.12% of the 13F portfolio, value $6,981,909,261.

    13F-HR 0002012383-25-002949 filed by BlackRock, Inc.
    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 15,109,153 shares
    Change vs previous 13F -434,781 shares

    0.15% of the 13F portfolio, value $7,578,600,158.

    13F-HR 0001060021-25-000120 filed by BlackRock, Inc.
    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 15,543,934 shares
    Change vs previous 13F +1,278,818 shares

    0.15% of the 13F portfolio, value $7,238,654,516.

    13F-HR 0001576419-25-000869 filed by BlackRock, Inc.
    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 14,265,116 shares
    Change vs previous 13F +901,632 shares

    0.14% of the 13F portfolio, value $6,752,678,018.

    13F-HR 0001060021-25-000002 filed by BlackRock, Inc.
    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 13,363,484 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $6,342,176,060.

    13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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