BLAIR WILLIAM & CO/IL: GSK position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on GSK, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 22,756 GSK shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 22,756 sharesChange vs previous 13F +7,663 shares
<0.01% of the 13F portfolio, value $1,192,866.
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 15,093 sharesChange vs previous 13F -917 shares
<0.01% of the 13F portfolio, value $832,994.
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 16,010 sharesChange vs previous 13F -710 shares
<0.01% of the 13F portfolio, value $785,135.
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 16,720 sharesChange vs previous 13F +3,976 shares
<0.01% of the 13F portfolio, value $721,618.
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 12,744 sharesChange vs previous 13F -4,696 shares
<0.01% of the 13F portfolio, value $489,369.
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 17,440 sharesChange vs previous 13F -3,291 shares
<0.01% of the 13F portfolio, value $675,637.
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 20,731 sharesChange vs previous 13F -2,559 shares
<0.01% of the 13F portfolio, value $701,136.
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 23,290 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $952,105.
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).