Skip to content

BLAIR WILLIAM & CO/IL: EW position timeline

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

BLAIR WILLIAM & CO/IL held 356,032 EW 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 356,032 shares
    Change vs previous 13F +40,342 shares

    0.08% of the 13F portfolio, value $32,206,687.

    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 315,690 shares
    Change vs previous 13F -29,110 shares

    0.07% of the 13F portfolio, value $25,280,419.

    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 344,800 shares
    Change vs previous 13F -27,553 shares

    0.08% of the 13F portfolio, value $29,394,200.

    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 372,353 shares
    Change vs previous 13F -17,780 shares

    0.08% of the 13F portfolio, value $28,957,893.

    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 390,133 shares
    Change vs previous 13F -30,093 shares

    0.08% of the 13F portfolio, value $30,512,273.

    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 420,226 shares
    Change vs previous 13F -106,066 shares

    0.09% of the 13F portfolio, value $30,457,954.

    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 526,292 shares
    Change vs previous 13F -77,310 shares

    0.11% of the 13F portfolio, value $38,961,397.

    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 603,602 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $39,831,696.

    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).