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BLAIR WILLIAM & CO/IL: ASML position timeline

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

BLAIR WILLIAM & CO/IL held 30,906 ASML 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 30,906 shares
    Change vs previous 13F +18,494 shares

    0.16% of the 13F portfolio, value $61,485,652.

    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 12,412 shares
    Change vs previous 13F +141 shares

    0.05% of the 13F portfolio, value $16,394,693.

    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 12,271 shares
    Change vs previous 13F +8 shares

    0.04% of the 13F portfolio, value $13,128,187.

    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 12,263 shares
    Change vs previous 13F -813 shares

    0.03% of the 13F portfolio, value $11,871,270.

    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 13,076 shares
    Change vs previous 13F +3,060 shares

    0.03% of the 13F portfolio, value $10,478,813.

    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 10,016 shares
    Change vs previous 13F +2,079 shares

    0.02% of the 13F portfolio, value $6,636,717.

    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 7,937 shares
    Change vs previous 13F -9,640 shares

    0.02% of the 13F portfolio, value $5,500,835.

    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 17,577 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $14,645,707.

    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).