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Disclosery

BAILLIE GIFFORD & CO: ARM position timeline

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

BAILLIE GIFFORD & CO held 441,365 ARM shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 441,365 shares
    Change vs previous 13F -170,532 shares

    0.14% of the 13F portfolio, value $156,494,788.

    13F-HR 0001088875-26-000057 filed by BAILLIE GIFFORD & 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 611,897 shares
    Change vs previous 13F -631 shares

    0.09% of the 13F portfolio, value $92,567,779.

    13F-HR 0001088875-26-000037 filed by BAILLIE GIFFORD & 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 612,528 shares
    Change vs previous 13F -28,349 shares

    0.06% of the 13F portfolio, value $66,955,435.

    13F-HR 0001088875-26-000002 filed by BAILLIE GIFFORD & 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 640,877 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $90,677,686.

    13F-HR 0001088875-25-000079 filed by BAILLIE GIFFORD & CO
    Filed (acceptance time not in the bulk data set), ingested

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