Skip to content
Disclosery

BROWN BROTHERS HARRIMAN & CO: ACM position timeline

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

BROWN BROTHERS HARRIMAN & CO held 474 ACM 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 474 shares
    Change vs previous 13F -49 shares

    <0.01% of the 13F portfolio, value $33,085.

    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 523 shares
    Change vs previous 13F -162 shares

    <0.01% of the 13F portfolio, value $44,361.

    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 685 shares
    Change vs previous 13F -477 shares

    <0.01% of the 13F portfolio, value $65,301.

    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 1,162 shares
    Change vs previous 13F +378 shares

    <0.01% of the 13F portfolio, value $151,606.

    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 784 shares
    Change vs previous 13F +196 shares

    <0.01% of the 13F portfolio, value $88,482.

    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 588 shares
    Change vs previous 13F -103 shares

    <0.01% of the 13F portfolio, value $54,525.

    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 691 shares
    Change vs previous 13F +103 shares

    <0.01% of the 13F portfolio, value $73,813.

    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 588 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $60,723.

    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).