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BROWN BROTHERS HARRIMAN & CO: MRSH position timeline

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

BROWN BROTHERS HARRIMAN & CO held 125,714 MRSH 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 125,714 shares
    Change vs previous 13F -635 shares

    0.09% of the 13F portfolio, value $20,952,752.

    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 126,349 shares
    Change vs previous 13F +3,545 shares

    0.12% of the 13F portfolio, value $21,915,234.

    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 122,804 shares
    Change vs previous 13F -13,375 shares

    0.12% of the 13F portfolio, value $22,782,598.

    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 136,179 shares
    Change vs previous 13F +28,419 shares

    0.17% of the 13F portfolio, value $27,444,154.

    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 107,760 shares
    Change vs previous 13F +1,444 shares

    0.15% of the 13F portfolio, value $23,560,646.

    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 106,316 shares
    Change vs previous 13F -6,134 shares

    0.18% of the 13F portfolio, value $25,944,293.

    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 112,450 shares
    Change vs previous 13F -4,907 shares

    0.17% of the 13F portfolio, value $23,885,505.

    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 117,357 shares
    Change vs previous 13F not available

    0.18% of the 13F portfolio, value $26,181,173.

    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).