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BLAIR WILLIAM & CO/IL: XLB position timeline

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

BLAIR WILLIAM & CO/IL held 30,786 XLB 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 30,786 shares
    Change vs previous 13F +2,340 shares

    <0.01% of the 13F portfolio, value $1,564,855.

    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 28,446 shares
    Change vs previous 13F +2,200 shares

    <0.01% of the 13F portfolio, value $1,421,430.

    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 26,246 shares
    Change vs previous 13F +13,205 shares

    <0.01% of the 13F portfolio, value $1,190,268.

    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 13,041 shares
    Change vs previous 13F +46 shares

    <0.01% of the 13F portfolio, value $1,168,764.

    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 12,995 shares
    Change vs previous 13F -1,469 shares

    <0.01% of the 13F portfolio, value $1,141,120.

    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 14,464 shares
    Change vs previous 13F -7 shares

    <0.01% of the 13F portfolio, value $1,243,643.

    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 14,471 shares
    Change vs previous 13F -1,540 shares

    <0.01% of the 13F portfolio, value $1,217,618.

    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 16,011 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,543,172.

    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).