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BLAIR WILLIAM & CO/IL: DIA position timeline

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

BLAIR WILLIAM & CO/IL held 40,400 DIA 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 40,400 shares
    Change vs previous 13F -4,159 shares

    0.05% of the 13F portfolio, value $21,104,618.

    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 44,559 shares
    Change vs previous 13F +7,298 shares

    0.06% of the 13F portfolio, value $20,639,261.

    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 37,261 shares
    Change vs previous 13F -1,150 shares

    0.05% of the 13F portfolio, value $17,906,315.

    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 38,411 shares
    Change vs previous 13F -12,470 shares

    0.05% of the 13F portfolio, value $17,812,574.

    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 50,881 shares
    Change vs previous 13F -1,441 shares

    0.06% of the 13F portfolio, value $22,420,785.

    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 52,322 shares
    Change vs previous 13F +4,066 shares

    0.07% of the 13F portfolio, value $21,969,076.

    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 48,256 shares
    Change vs previous 13F +2,711 shares

    0.06% of the 13F portfolio, value $20,532,976.

    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 45,545 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $19,270,997.

    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).