BLAIR WILLIAM & CO/IL: NBIX position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on NBIX, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 51,511 NBIX shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 51,511 sharesChange vs previous 13F +47,566 shares
0.02% of the 13F portfolio, value $8,681,406.
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 3,945 sharesChange vs previous 13F -555 shares
<0.01% of the 13F portfolio, value $519,714.
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 4,500 sharesChange vs previous 13F +39 shares
<0.01% of the 13F portfolio, value $638,235.
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 4,461 sharesChange vs previous 13F -203 shares
<0.01% of the 13F portfolio, value $626,235.
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 4,664 sharesChange vs previous 13F -1,550 shares
<0.01% of the 13F portfolio, value $586,218.
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 6,214 sharesChange vs previous 13F -242 shares
<0.01% of the 13F portfolio, value $687,268.
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 6,456 sharesChange vs previous 13F +12 shares
<0.01% of the 13F portfolio, value $881,244.
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 6,444 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $742,478.
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).