Skip to content
Disclosery

BLAIR WILLIAM & CO/IL: CBOE position timeline

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

BLAIR WILLIAM & CO/IL held 59,577 CBOE 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 59,577 shares
    Change vs previous 13F +79 shares

    0.04% of the 13F portfolio, value $14,457,647.

    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 59,498 shares
    Change vs previous 13F -1,322 shares

    0.05% of the 13F portfolio, value $16,722,995.

    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 60,820 shares
    Change vs previous 13F -414 shares

    0.04% of the 13F portfolio, value $15,265,753.

    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 61,234 shares
    Change vs previous 13F +1,385 shares

    0.04% of the 13F portfolio, value $15,017,691.

    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 59,849 shares
    Change vs previous 13F -722 shares

    0.04% of the 13F portfolio, value $13,957,458.

    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 60,571 shares
    Change vs previous 13F +1,833 shares

    0.04% of the 13F portfolio, value $13,706,591.

    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 58,738 shares
    Change vs previous 13F -307 shares

    0.03% of the 13F portfolio, value $11,477,494.

    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 59,045 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $12,096,510.

    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).