Skip to content
Disclosery

BLAIR WILLIAM & CO/IL: ACGL position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on ACGL, newest first. How the timeline and the estimate are built.

BLAIR WILLIAM & CO/IL held 7,160 ACGL shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 7,160 shares
    Change vs previous 13F +3,288 shares

    <0.01% of the 13F portfolio, value $694,935.

    13F-HR 0001104659-26-093821 filed by BLAIR WILLIAM & CO/IL
    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 3,872 shares
    Change vs previous 13F -648 shares

    <0.01% of the 13F portfolio, value $371,664.

    13F-HR 0001104659-26-057897 filed by BLAIR WILLIAM & CO/IL
    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 4,520 shares
    Change vs previous 13F +1,286 shares

    <0.01% of the 13F portfolio, value $433,549.

    13F-HR 0001104659-26-015563 filed by BLAIR WILLIAM & CO/IL
    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 3,234 shares
    Change vs previous 13F -123 shares

    <0.01% of the 13F portfolio, value $293,432.

    13F-HR 0001104659-25-109927 filed by BLAIR WILLIAM & CO/IL
    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 3,357 shares
    Change vs previous 13F -1,306 shares

    <0.01% of the 13F portfolio, value $305,666.

    13F-HR 0001104659-25-070274 filed by BLAIR WILLIAM & CO/IL
    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 4,663 shares
    Change vs previous 13F -727 shares

    <0.01% of the 13F portfolio, value $448,500.

    13F-HR 0001104659-25-046545 filed by BLAIR WILLIAM & CO/IL
    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 5,390 shares
    Change vs previous 13F -20 shares

    <0.01% of the 13F portfolio, value $497,778.

    13F-HR 0001104659-25-011872 filed by BLAIR WILLIAM & CO/IL
    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 5,410 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $605,271.

    13F-HR 0001104659-24-116499 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

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