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MARTINGALE ASSET MANAGEMENT L P: ACGL position timeline

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

MARTINGALE ASSET MANAGEMENT L P held 91,072 ACGL shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 91,072 shares
    Change vs previous 13F -451 shares

    0.21% of the 13F portfolio, value $8,839,449.

    13F-HR 0000936944-26-000006 filed by MARTINGALE ASSET MANAGEMENT L P
    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 91,523 shares
    Change vs previous 13F +8,799 shares

    0.22% of the 13F portfolio, value $8,785,293.

    13F-HR 0000936944-26-000003 filed by MARTINGALE ASSET MANAGEMENT L P
    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 82,724 shares
    Change vs previous 13F +10,454 shares

    0.2% of the 13F portfolio, value $7,934,887.

    13F-HR 0000936944-26-000002 filed by MARTINGALE ASSET MANAGEMENT L P
    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 72,270 shares
    Change vs previous 13F +2,938 shares

    0.16% of the 13F portfolio, value $6,557,058.

    13F-HR 0000936944-25-000010 filed by MARTINGALE ASSET MANAGEMENT L P
    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 69,332 shares
    Change vs previous 13F +478 shares

    0.15% of the 13F portfolio, value $6,312,679.

    13F-HR 0000936944-25-000008 filed by MARTINGALE ASSET MANAGEMENT L P
    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 68,854 shares
    Change vs previous 13F -13,598 shares

    0.17% of the 13F portfolio, value $6,622,378.

    13F-HR 0000936944-25-000005 filed by MARTINGALE ASSET MANAGEMENT L P
    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 82,452 shares
    Change vs previous 13F -38,611 shares

    0.19% of the 13F portfolio, value $7,614,443.

    13F-HR 0000936944-25-000003 filed by MARTINGALE ASSET MANAGEMENT L P
    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 121,063 shares
    Change vs previous 13F not available

    0.31% of the 13F portfolio, value $13,544,529.

    13F-HR 0000936944-24-000007 filed by MARTINGALE ASSET MANAGEMENT L P
    Filed (acceptance time not in the bulk data set), ingested

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