BLAIR WILLIAM & CO/IL: O position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on O, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 76,246 O shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 76,246 sharesChange vs previous 13F +5,087 shares
0.01% of the 13F portfolio, value $4,724,183.
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 71,159 sharesChange vs previous 13F +7,787 shares
0.01% of the 13F portfolio, value $4,353,534.
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 63,372 sharesChange vs previous 13F +29,698 shares
0.01% of the 13F portfolio, value $3,572,258.
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 33,674 sharesChange vs previous 13F +15,111 shares
0.01% of the 13F portfolio, value $2,047,040.
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 18,563 sharesChange vs previous 13F -355 shares
<0.01% of the 13F portfolio, value $1,069,416.
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 18,918 sharesChange vs previous 13F -1,350 shares
<0.01% of the 13F portfolio, value $1,097,427.
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 20,268 sharesChange vs previous 13F +1,636 shares
<0.01% of the 13F portfolio, value $1,082,537.
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 18,632 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $1,181,657.
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).