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BROWN BROTHERS HARRIMAN & CO: ATR position timeline

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

BROWN BROTHERS HARRIMAN & CO held 320,811 ATR 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 320,811 shares
    Change vs previous 13F -37,291 shares

    0.18% of the 13F portfolio, value $40,165,537.

    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 358,102 shares
    Change vs previous 13F +26,722 shares

    0.24% of the 13F portfolio, value $45,128,014.

    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 331,380 shares
    Change vs previous 13F -69,790 shares

    0.22% of the 13F portfolio, value $40,415,105.

    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 401,170 shares
    Change vs previous 13F +12,088 shares

    0.33% of the 13F portfolio, value $53,620,382.

    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 389,082 shares
    Change vs previous 13F +22,598 shares

    0.39% of the 13F portfolio, value $60,864,097.

    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 366,484 shares
    Change vs previous 13F +53,529 shares

    0.38% of the 13F portfolio, value $54,378,896.

    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 312,955 shares
    Change vs previous 13F +42,368 shares

    0.34% of the 13F portfolio, value $49,165,231.

    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 270,587 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $43,345,332.

    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).