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BROWN BROTHERS HARRIMAN & CO: BSX position timeline

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

BROWN BROTHERS HARRIMAN & CO held 19,793 BSX 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 19,793 shares
    Change vs previous 13F -16,158 shares

    <0.01% of the 13F portfolio, value $844,765.

    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 35,951 shares
    Change vs previous 13F +18,659 shares

    0.01% of the 13F portfolio, value $2,255,925.

    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 17,292 shares
    Change vs previous 13F +4,374 shares

    0.01% of the 13F portfolio, value $1,648,792.

    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 12,918 shares
    Change vs previous 13F +8,092 shares

    0.01% of the 13F portfolio, value $1,261,184.

    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 4,826 shares
    Change vs previous 13F +2,829 shares

    <0.01% of the 13F portfolio, value $518,361.

    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 1,997 shares
    Change vs previous 13F -70 shares

    <0.01% of the 13F portfolio, value $201,457.

    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 2,067 shares
    Change vs previous 13F +1,290 shares

    <0.01% of the 13F portfolio, value $184,624.

    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 777 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $65,113.

    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).