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CONGRESS ASSET MANAGEMENT CO: ARM position timeline

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

CONGRESS ASSET MANAGEMENT CO held 389,126 ARM shares at 2026-09-30 per its 13F-HR filed 2026-10-06.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 389,126 shares
    Change vs previous 13F -19,923 shares

    0.73% of the 13F portfolio, value $112,714,237.

    13F-HR 0000897378-26-000015 filed by CONGRESS ASSET MANAGEMENT CO
    Accepted , ingested

  2. period ended2026-06-30
    13F 409,049 shares
    Change vs previous 13F not available

    0.89% of the 13F portfolio, value $145,036,504.

    13F-HR 0000897378-26-000010 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec ยง4.2).