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BROWN BROTHERS HARRIMAN & CO: MCO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BROWN BROTHERS HARRIMAN & CO on MCO, newest first. How the timeline and the estimate are built.

BROWN BROTHERS HARRIMAN & CO held 12,477 MCO shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 12,477 shares
    Change vs previous 13F +636 shares

    0.02% of the 13F portfolio, value $5,651,083.

    13F-HR 0001104659-26-094581 filed by BROWN BROTHERS HARRIMAN & CO
    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 11,841 shares
    Change vs previous 13F -21,803 shares

    0.03% of the 13F portfolio, value $5,165,636.

    13F-HR 0001104659-26-060871 filed by BROWN BROTHERS HARRIMAN & CO
    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 33,644 shares
    Change vs previous 13F +4,942 shares

    0.09% of the 13F portfolio, value $17,187,037.

    13F-HR 0001104659-26-014005 filed by BROWN BROTHERS HARRIMAN & CO
    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 28,702 shares
    Change vs previous 13F +3,530 shares

    0.08% of the 13F portfolio, value $13,675,929.

    13F-HR 0001104659-25-111114 filed by BROWN BROTHERS HARRIMAN & CO
    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 25,172 shares
    Change vs previous 13F +10,894 shares

    0.08% of the 13F portfolio, value $12,626,023.

    13F-HR 0001104659-25-076057 filed by BROWN BROTHERS HARRIMAN & CO
    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 14,278 shares
    Change vs previous 13F +4,635 shares

    0.05% of the 13F portfolio, value $6,649,122.

    13F-HR 0001104659-25-048255 filed by BROWN BROTHERS HARRIMAN & CO
    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 9,643 shares
    Change vs previous 13F +6,156 shares

    0.03% of the 13F portfolio, value $4,564,707.

    13F-HR 0001104659-25-011961 filed by BROWN BROTHERS HARRIMAN & CO
    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 3,487 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,654,895.

    13F-HR 0001104659-24-117355 filed by BROWN BROTHERS HARRIMAN & CO
    Filed (acceptance time not in the bulk data set), ingested

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