BLAIR WILLIAM & CO/IL: CLS position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on CLS, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 4,601 CLS shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 4,601 sharesChange vs previous 13F +1,533 shares
<0.01% of the 13F portfolio, value $1,678,342.
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 3,068 sharesChange vs previous 13F +1,224 shares
<0.01% of the 13F portfolio, value $864,302.
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 1,844 sharesChange vs previous 13F +125 shares
<0.01% of the 13F portfolio, value $545,129.
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 1,719 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $423,483.
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).