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Disclosery

MARSHFIELD ASSOCIATES: ACGL position timeline

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

MARSHFIELD ASSOCIATES held 3,331,135 ACGL shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,331,135 shares
    Change vs previous 13F +279,714 shares

    7.58% of the 13F portfolio, value $323,319,956.

    13F-HR 0001172661-26-003813 filed by MARSHFIELD ASSOCIATES
    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 3,051,421 shares
    Change vs previous 13F +164,419 shares

    5.87% of the 13F portfolio, value $292,905,894.

    13F-HR 0001172661-26-002329 filed by MARSHFIELD ASSOCIATES
    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 2,887,002 shares
    Change vs previous 13F +162,367 shares

    4.85% of the 13F portfolio, value $276,921,224.

    13F-HR 0001172661-26-001075 filed by MARSHFIELD ASSOCIATES
    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 2,724,635 shares
    Change vs previous 13F +141,223 shares

    4.28% of the 13F portfolio, value $247,206,126.

    13F-HR 0001172661-25-005042 filed by MARSHFIELD ASSOCIATES
    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 2,583,412 shares
    Change vs previous 13F +22,551 shares

    4.81% of the 13F portfolio, value $235,219,678.

    13F-HR 0001172661-25-003456 filed by MARSHFIELD ASSOCIATES
    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 2,560,861 shares
    Change vs previous 13F -3,879 shares

    5.34% of the 13F portfolio, value $246,303,628.

    13F-HR 0001172661-25-002352 filed by MARSHFIELD ASSOCIATES
    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 2,564,740 shares
    Change vs previous 13F -807,997 shares

    5.13% of the 13F portfolio, value $236,853,709.

    13F-HR 0001172661-25-001106 filed by MARSHFIELD ASSOCIATES
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 3,372,737 shares
    Change vs previous 13F not available

    8.01% of the 13F portfolio, value $377,341,816.

    13F-HR 0000950123-24-011950 filed by MARSHFIELD ASSOCIATES
    Filed (acceptance time not in the bulk data set), ingested

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