BLAIR WILLIAM & CO/IL: IDA position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on IDA, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 5,249 IDA shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 5,249 sharesChange vs previous 13F +757 shares
<0.01% of the 13F portfolio, value $794,226.
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 4,492 sharesChange vs previous 13F -1,099 shares
<0.01% of the 13F portfolio, value $642,165.
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 5,591 sharesChange vs previous 13F +3,263 shares
<0.01% of the 13F portfolio, value $707,599.
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 2,328 sharesChange vs previous 13F +6 shares
<0.01% of the 13F portfolio, value $307,687.
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 2,322 sharesChange vs previous 13F +6 shares
<0.01% of the 13F portfolio, value $268,131.
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 2,316 sharesChange vs previous 13F 0 shares
<0.01% of the 13F portfolio, value $269,200.
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 2,316 sharesChange vs previous 13F -2,039 shares
<0.01% of the 13F portfolio, value $253,098.
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 4,355 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $448,962.
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).