BLAIR WILLIAM & CO/IL: W position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on W, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 12,463 W shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 12,463 sharesChange vs previous 13F +1,788 shares
<0.01% of the 13F portfolio, value $1,151,830.
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 10,675 sharesChange vs previous 13F +2,442 shares
<0.01% of the 13F portfolio, value $802,838.
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 8,233 sharesChange vs previous 13F -357 shares
<0.01% of the 13F portfolio, value $826,676.
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 8,590 sharesChange vs previous 13F -504 shares
<0.01% of the 13F portfolio, value $767,345.
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 9,094 sharesChange vs previous 13F -1,220 shares
<0.01% of the 13F portfolio, value $465,067.
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 10,314 sharesChange vs previous 13F -61 shares
<0.01% of the 13F portfolio, value $330,357.
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 10,375 sharesChange vs previous 13F +1,863 shares
<0.01% of the 13F portfolio, value $459,820.
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 8,512 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $478,204.
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).