BLAIR WILLIAM & CO/IL: FOUR position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on FOUR, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 0 FOUR shares at 2026-03-31 per its 13F-HR filed 2026-05-08.
the latest 13F is the newest step
- period ended2026-03-3113F 0 sharesChange vs previous 13F -3,532 shares
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).
Exited: the 13F for this period no longer lists the position.
- period ended2025-12-3113F 3,532 sharesChange vs previous 13F -3,343 shares
<0.01% of the 13F portfolio, value $222,410.
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 6,875 sharesChange vs previous 13F -231,116 shares
<0.01% of the 13F portfolio, value $532,125.
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 237,991 sharesChange vs previous 13F +6,569 shares
0.07% of the 13F portfolio, value $23,587,288.
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 231,422 sharesChange vs previous 13F +108,674 shares
0.06% of the 13F portfolio, value $18,909,492.
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 122,748 sharesChange vs previous 13F +114,545 shares
0.04% of the 13F portfolio, value $12,738,787.
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 8,203 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $726,786.
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).