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Champlain Investment Partners, LLC: ACGL position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Champlain Investment Partners, LLC on ACGL, newest first. How the timeline and the estimate are built.

Champlain Investment Partners, LLC held 370,745 ACGL 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 370,745 shares
    Change vs previous 13F -891,540 shares

    0.92% of the 13F portfolio, value $35,984,510.

    13F-HR 0001315478-26-000020 filed by Champlain Investment Partners, LLC
    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 1,262,285 shares
    Change vs previous 13F -63,979 shares

    1.54% of the 13F portfolio, value $121,166,737.

    13F-HR 0001315478-26-000017 filed by Champlain Investment Partners, LLC
    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 1,326,264 shares
    Change vs previous 13F +28,019 shares

    1.29% of the 13F portfolio, value $127,215,243.

    13F-HR 0001315478-26-000015 filed by Champlain Investment Partners, LLC
    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 1,298,245 shares
    Change vs previous 13F +252,983 shares

    0.89% of the 13F portfolio, value $117,789,769.

    13F-HR 0001315478-25-000030 filed by Champlain Investment Partners, LLC
    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 1,045,262 shares
    Change vs previous 13F +545,777 shares

    0.66% of the 13F portfolio, value $95,171,105.

    13F-HR 0001315478-25-000025 filed by Champlain Investment Partners, LLC
    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 499,485 shares
    Change vs previous 13F not available

    0.35% of the 13F portfolio, value $48,040,467.

    13F-HR 0001315478-25-000012 filed by Champlain Investment Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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