BLAIR WILLIAM & CO/IL: XLK position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on XLK, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 137,534 XLK shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 137,534 sharesChange vs previous 13F -26,122 shares
0.07% of the 13F portfolio, value $26,202,972.
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 163,656 sharesChange vs previous 13F -50,241 shares
0.06% of the 13F portfolio, value $21,749,893.
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 213,897 sharesChange vs previous 13F +109,272 shares
0.08% of the 13F portfolio, value $30,794,737.
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 104,625 sharesChange vs previous 13F +6,510 shares
0.08% of the 13F portfolio, value $29,489,699.
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 98,115 sharesChange vs previous 13F +24,044 shares
0.07% of the 13F portfolio, value $24,845,722.
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 74,071 sharesChange vs previous 13F -4,416 shares
0.05% of the 13F portfolio, value $15,294,098.
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 78,487 sharesChange vs previous 13F -903 shares
0.05% of the 13F portfolio, value $18,249,796.
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 79,390 sharesChange vs previous 13F not available
0.05% of the 13F portfolio, value $17,922,985.
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).