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
- period ended2026-06-3013F 204,359 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 187,663 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 184,662 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 168,649 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 165,591 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 161,190 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 152,143 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 152,688 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).