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BLAIR WILLIAM & CO/IL: NDAQ position timeline

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

BLAIR WILLIAM & CO/IL held 745,415 NDAQ 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 745,415 shares
    Change vs previous 13F -280,595 shares

    0.15% of the 13F portfolio, value $58,753,639.

    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 1,026,010 shares
    Change vs previous 13F +266,137 shares

    0.25% of the 13F portfolio, value $87,098,004.

    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 759,873 shares
    Change vs previous 13F +143,251 shares

    0.2% of the 13F portfolio, value $73,806,506.

    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 616,622 shares
    Change vs previous 13F +34,524 shares

    0.15% of the 13F portfolio, value $54,540,243.

    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 582,098 shares
    Change vs previous 13F +41,054 shares

    0.14% of the 13F portfolio, value $52,051,209.

    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 541,044 shares
    Change vs previous 13F +8,463 shares

    0.12% of the 13F portfolio, value $41,043,604.

    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 532,581 shares
    Change vs previous 13F +255,259 shares

    0.12% of the 13F portfolio, value $41,173,862.

    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 277,322 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $20,247,291.

    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).