BLAIR WILLIAM & CO/IL: COR position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on COR, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 13,115 COR shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 13,115 sharesChange vs previous 13F -6,569 shares
0.01% of the 13F portfolio, value $3,711,305.
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 19,684 sharesChange vs previous 13F +48 shares
0.02% of the 13F portfolio, value $6,183,637.
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 19,636 sharesChange vs previous 13F -1,483 shares
0.02% of the 13F portfolio, value $6,632,065.
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 21,119 sharesChange vs previous 13F -2 shares
0.02% of the 13F portfolio, value $6,600,169.
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 21,121 sharesChange vs previous 13F +353 shares
0.02% of the 13F portfolio, value $6,333,175.
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 20,768 sharesChange vs previous 13F -662 shares
0.02% of the 13F portfolio, value $5,775,290.
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 21,430 sharesChange vs previous 13F -1,098 shares
0.01% of the 13F portfolio, value $4,814,933.
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 22,528 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $5,070,508.
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).