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BLAIR WILLIAM & CO/IL: U position timeline

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

BLAIR WILLIAM & CO/IL held 33,073 U 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 33,073 shares
    Change vs previous 13F -66,420 shares

    <0.01% of the 13F portfolio, value $945,226.

    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 99,493 shares
    Change vs previous 13F -37,873 shares

    0.01% of the 13F portfolio, value $2,182,876.

    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 137,366 shares
    Change vs previous 13F -5,718 shares

    0.02% of the 13F portfolio, value $6,067,456.

    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 143,084 shares
    Change vs previous 13F -22,573 shares

    0.02% of the 13F portfolio, value $5,729,083.

    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 165,657 shares
    Change vs previous 13F +10,699 shares

    0.01% of the 13F portfolio, value $4,008,899.

    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 154,958 shares
    Change vs previous 13F +12,242 shares

    0.01% of the 13F portfolio, value $3,035,627.

    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 142,716 shares
    Change vs previous 13F -17,135 shares

    0.01% of the 13F portfolio, value $3,206,829.

    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 159,851 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $3,615,830.

    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).