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Madison Asset Management, LLC: ACGL position timeline

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

Madison Asset Management, LLC held 3,799,789 ACGL shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,799,789 shares
    Change vs previous 13F -276,657 shares

    4.4% of the 13F portfolio, value $368,807,502.

    13F-HR 0001954889-26-000022 filed by Madison Asset Management, 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 4,076,446 shares
    Change vs previous 13F -255,985 shares

    4.85% of the 13F portfolio, value $391,298,084.

    13F-HR 0001954889-26-000018 filed by Madison Asset Management, 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 4,332,431 shares
    Change vs previous 13F -375,516 shares

    4.78% of the 13F portfolio, value $415,566,746.

    13F-HR 0001954889-26-000008 filed by Madison Asset Management, 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 4,707,947 shares
    Change vs previous 13F -117,288 shares

    4.71% of the 13F portfolio, value $427,152,050.

    13F-HR 0001954889-25-000033 filed by Madison Asset Management, 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 4,825,235 shares
    Change vs previous 13F -12,367 shares

    4.74% of the 13F portfolio, value $439,337,668.

    13F-HR 0001954889-25-000027 filed by Madison Asset Management, 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 4,837,602 shares
    Change vs previous 13F -4,041,888 shares

    5.18% of the 13F portfolio, value $465,280,560.

    13F-HR 0001954889-25-000019 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F/A 8,879,490 shares
    Change vs previous 13F +4,665,974 shares

    4.62% of the 13F portfolio, value $820,020,860.

    13F-HR 0001954889-25-000006 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Madison Asset Management, LLC: 4,439,745 shares
    • Madison Investment Advisors, LLC: 4,439,745 shares

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

  8. period ended2024-09-30
    13F 4,213,516 shares
    Change vs previous 13F not available

    5.3% of the 13F portfolio, value $471,408,146.

    13F-HR 0001954889-24-000003 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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