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BLAIR WILLIAM & CO/IL: IWR position timeline

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

BLAIR WILLIAM & CO/IL held 182,347 IWR 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 182,347 shares
    Change vs previous 13F +16,041 shares

    0.05% of the 13F portfolio, value $20,116,564.

    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 166,306 shares
    Change vs previous 13F +19,638 shares

    0.05% of the 13F portfolio, value $16,169,892.

    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 146,668 shares
    Change vs previous 13F +9,444 shares

    0.04% of the 13F portfolio, value $14,119,700.

    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 137,224 shares
    Change vs previous 13F +193 shares

    0.04% of the 13F portfolio, value $13,248,947.

    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 137,031 shares
    Change vs previous 13F -5,404 shares

    0.04% of the 13F portfolio, value $12,602,711.

    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 142,435 shares
    Change vs previous 13F -1,412 shares

    0.04% of the 13F portfolio, value $12,116,981.

    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 143,847 shares
    Change vs previous 13F +3,851 shares

    0.04% of the 13F portfolio, value $12,716,093.

    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 139,996 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $12,339,262.

    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).