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CONGRESS ASSET MANAGEMENT CO: ACMR position timeline

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

CONGRESS ASSET MANAGEMENT CO held 277,150 ACMR 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 277,150 shares
    Change vs previous 13F +53,295 shares

    0.15% of the 13F portfolio, value $22,426,978.

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

  2. period ended2026-06-30
    13F 223,855 shares
    Change vs previous 13F -116,008 shares

    0.17% of the 13F portfolio, value $28,404,961.

    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 §4.2).

  3. period ended2026-03-31
    13F 339,863 shares
    Change vs previous 13F +50,414 shares

    0.1% of the 13F portfolio, value $13,373,609.

    13F-HR 0000897378-26-000005 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 §4.2).

  4. period ended2025-12-31
    13F 289,449 shares
    Change vs previous 13F +7,526 shares

    0.08% of the 13F portfolio, value $11,418,763.

    13F-HR 0000897378-26-000002 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 §4.2).

  5. period ended2025-09-30
    13F 281,923 shares
    Change vs previous 13F +84,747 shares

    0.07% of the 13F portfolio, value $11,031,647.

    13F-HR 0000897378-25-000016 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 §4.2).

  6. period ended2025-06-30
    13F 197,176 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $5,106,858.

    13F-HR 0000897378-25-000005 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 §4.2).