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BLAIR WILLIAM & CO/IL: A position timeline

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

BLAIR WILLIAM & CO/IL held 13,300 A 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 13,300 shares
    Change vs previous 13F +2,439 shares

    <0.01% of the 13F portfolio, value $1,766,593.

    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 10,861 shares
    Change vs previous 13F -9,860 shares

    <0.01% of the 13F portfolio, value $1,237,978.

    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 20,721 shares
    Change vs previous 13F -2,022 shares

    0.01% of the 13F portfolio, value $2,819,467.

    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 22,743 shares
    Change vs previous 13F -13,792 shares

    0.01% of the 13F portfolio, value $2,919,039.

    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 36,535 shares
    Change vs previous 13F +343 shares

    0.01% of the 13F portfolio, value $4,311,553.

    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 36,192 shares
    Change vs previous 13F +1,585 shares

    0.01% of the 13F portfolio, value $4,233,756.

    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 34,607 shares
    Change vs previous 13F +13,330 shares

    0.01% of the 13F portfolio, value $4,649,091.

    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 21,277 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $3,159,230.

    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).