Skip to content

BLAIR WILLIAM & CO/IL: C position timeline

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

BLAIR WILLIAM & CO/IL held 204,359 C 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 204,359 shares
    Change vs previous 13F +16,696 shares

    0.07% of the 13F portfolio, value $28,602,091.

    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 187,663 shares
    Change vs previous 13F +3,001 shares

    0.06% of the 13F portfolio, value $21,282,914.

    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 184,662 shares
    Change vs previous 13F +16,013 shares

    0.06% of the 13F portfolio, value $21,548,185.

    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 168,649 shares
    Change vs previous 13F +3,058 shares

    0.05% of the 13F portfolio, value $17,117,852.

    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 165,591 shares
    Change vs previous 13F +4,401 shares

    0.04% of the 13F portfolio, value $14,095,070.

    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 161,190 shares
    Change vs previous 13F +9,047 shares

    0.03% of the 13F portfolio, value $11,442,879.

    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 152,143 shares
    Change vs previous 13F -545 shares

    0.03% of the 13F portfolio, value $10,709,363.

    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 152,688 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $9,558,239.

    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).