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Sustainable Growth Advisers, LP: ARM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Sustainable Growth Advisers, LP on ARM, newest first. How the timeline and the estimate are built.

Sustainable Growth Advisers, LP held 319,057 ARM shares at 2026-09-30 per its 13F-HR filed 2026-10-15.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 319,057 shares
    Change vs previous 13F -66,908 shares

    0.93% of the 13F portfolio, value $92,418,051.

    13F-HR 0001290668-26-000005 filed by Sustainable Growth Advisers, LP
    Accepted , ingested

  2. period ended2026-06-30
    13F 385,965 shares
    Change vs previous 13F -1,621,194 shares

    1.34% of the 13F portfolio, value $136,851,610.

    13F-HR 0001290668-26-000003 filed by Sustainable Growth Advisers, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2026-03-31
    13F 2,007,159 shares
    Change vs previous 13F -660,971 shares

    2.86% of the 13F portfolio, value $303,643,013.

    13F-HR 0001290668-26-000002 filed by Sustainable Growth Advisers, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-12-31
    13F 2,668,130 shares
    Change vs previous 13F -213,579 shares

    2.02% of the 13F portfolio, value $291,653,290.

    13F-HR 0001290668-26-000001 filed by Sustainable Growth Advisers, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-09-30
    13F 2,881,709 shares
    Change vs previous 13F -575,511 shares

    2.39% of the 13F portfolio, value $407,733,007.

    13F-HR 0001290668-25-000009 filed by Sustainable Growth Advisers, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-06-30
    13F 3,457,220 shares
    Change vs previous 13F +1,862,626 shares

    2.89% of the 13F portfolio, value $559,170,763.

    13F-HR 0001290668-25-000003 filed by Sustainable Growth Advisers, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2025-03-31
    13F 1,594,594 shares
    Change vs previous 13F not available

    0.95% of the 13F portfolio, value $170,286,693.

    13F-HR 0001290668-25-000002 filed by Sustainable Growth Advisers, LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).