BLAIR WILLIAM & CO/IL: CW position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on CW, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 185,609 CW shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 185,609 sharesChange vs previous 13F +18,582 shares
0.37% of the 13F portfolio, value $140,647,267.
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 167,027 sharesChange vs previous 13F +10,026 shares
0.33% of the 13F portfolio, value $113,765,345.
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 157,001 sharesChange vs previous 13F +26,309 shares
0.23% of the 13F portfolio, value $86,549,921.
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 130,692 sharesChange vs previous 13F -4,679 shares
0.19% of the 13F portfolio, value $70,957,764.
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 135,371 sharesChange vs previous 13F +4,584 shares
0.18% of the 13F portfolio, value $66,135,696.
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 130,787 sharesChange vs previous 13F +45,457 shares
0.13% of the 13F portfolio, value $41,494,644.
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 85,330 sharesChange vs previous 13F +31,496 shares
0.09% of the 13F portfolio, value $30,280,892.
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 53,834 sharesChange vs previous 13F not available
0.05% of the 13F portfolio, value $17,694,574.
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).