BLAIR WILLIAM & CO/IL: FSS position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on FSS, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 36,958 FSS shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 36,958 sharesChange vs previous 13F -5,901 shares
0.01% of the 13F portfolio, value $4,748,793.
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 42,859 sharesChange vs previous 13F -2,683 shares
0.01% of the 13F portfolio, value $4,634,816.
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 45,542 sharesChange vs previous 13F -2,801 shares
0.01% of the 13F portfolio, value $4,945,364.
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 48,343 sharesChange vs previous 13F +7,988 shares
0.02% of the 13F portfolio, value $5,752,364.
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 40,355 sharesChange vs previous 13F +10,478 shares
0.01% of the 13F portfolio, value $4,294,622.
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 29,877 sharesChange vs previous 13F -7,787 shares
0.01% of the 13F portfolio, value $2,197,425.
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 37,664 sharesChange vs previous 13F +22,340 shares
0.01% of the 13F portfolio, value $3,479,790.
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 15,324 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $1,432,147.
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).