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Berkshire Hathaway Inc: MCO position timeline

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

Berkshire Hathaway Inc held 24,669,778 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 24,669,778 shares
    Change vs previous 13F 0 shares

    3.73% of the 13F portfolio, value $11,173,435,852.

    13F-HR 0001193125-26-352200 filed by Berkshire Hathaway 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 24,669,778 shares
    Change vs previous 13F 0 shares

    4.09% of the 13F portfolio, value $10,762,190,653.

    13F-HR 0001193125-26-226661 filed by Berkshire Hathaway 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 24,669,778 shares
    Change vs previous 13F 0 shares

    4.6% of the 13F portfolio, value $12,602,556,092.

    13F-HR 0001193125-26-054580 filed by Berkshire Hathaway 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 24,669,778 shares
    Change vs previous 13F 0 shares

    4.4% of the 13F portfolio, value $11,754,655,821.

    13F-HR 0001193125-25-282901 filed by Berkshire Hathaway 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 24,669,778 shares
    Change vs previous 13F 0 shares

    4.81% of the 13F portfolio, value $12,374,113,948.

    13F-HR 0000950123-25-008343 filed by Berkshire Hathaway 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/A 24,669,778 shares
    Change vs previous 13F 0 shares

    4.42% of the 13F portfolio, value $11,488,468,917.

    13F-HR 0000950123-25-005701 filed by Berkshire Hathaway 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 24,669,778 shares
    Change vs previous 13F 0 shares

    4.37% of the 13F portfolio, value $11,677,932,812.

    13F-HR 0000950123-25-002701 filed by Berkshire Hathaway 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 24,669,778 shares
    Change vs previous 13F not available

    4.4% of the 13F portfolio, value $11,708,029,942.

    13F-HR 0000950123-24-011775 filed by Berkshire Hathaway Inc
    Filed (acceptance time not in the bulk data set), ingested

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