BLAIR WILLIAM & CO/IL: NDAQ position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on NDAQ, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 745,415 NDAQ shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 745,415 sharesChange vs previous 13F -280,595 shares
0.15% of the 13F portfolio, value $58,753,639.
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 1,026,010 sharesChange vs previous 13F +266,137 shares
0.25% of the 13F portfolio, value $87,098,004.
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 759,873 sharesChange vs previous 13F +143,251 shares
0.2% of the 13F portfolio, value $73,806,506.
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 616,622 sharesChange vs previous 13F +34,524 shares
0.15% of the 13F portfolio, value $54,540,243.
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 582,098 sharesChange vs previous 13F +41,054 shares
0.14% of the 13F portfolio, value $52,051,209.
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 541,044 sharesChange vs previous 13F +8,463 shares
0.12% of the 13F portfolio, value $41,043,604.
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 532,581 sharesChange vs previous 13F +255,259 shares
0.12% of the 13F portfolio, value $41,173,862.
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 277,322 sharesChange vs previous 13F not available
0.06% of the 13F portfolio, value $20,247,291.
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).