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BROWN BROTHERS HARRIMAN & CO: AMGN position timeline

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

BROWN BROTHERS HARRIMAN & CO held 29,505 AMGN 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 29,505 shares
    Change vs previous 13F +3,568 shares

    0.05% of the 13F portfolio, value $10,684,351.

    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 25,937 shares
    Change vs previous 13F +5,453 shares

    0.05% of the 13F portfolio, value $9,125,933.

    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 20,484 shares
    Change vs previous 13F +2,577 shares

    0.04% of the 13F portfolio, value $6,704,618.

    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 17,907 shares
    Change vs previous 13F -686 shares

    0.03% of the 13F portfolio, value $5,053,355.

    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 18,593 shares
    Change vs previous 13F +1,025 shares

    0.03% of the 13F portfolio, value $5,191,352.

    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 17,568 shares
    Change vs previous 13F -628 shares

    0.04% of the 13F portfolio, value $5,473,310.

    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 18,196 shares
    Change vs previous 13F -2,197 shares

    0.03% of the 13F portfolio, value $4,742,605.

    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 20,393 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $6,570,829.

    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).