BLAIR WILLIAM & CO/IL: ACN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on ACN, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 224,741 ACN shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 224,741 sharesChange vs previous 13F -101,332 shares
0.07% of the 13F portfolio, value $27,966,788.
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 326,073 sharesChange vs previous 13F -76,126 shares
0.19% of the 13F portfolio, value $64,656,948.
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 402,199 sharesChange vs previous 13F -45,420 shares
0.29% of the 13F portfolio, value $107,909,945.
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 447,619 sharesChange vs previous 13F -139,951 shares
0.29% of the 13F portfolio, value $110,382,946.
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 587,570 sharesChange vs previous 13F -133,923 shares
0.49% of the 13F portfolio, value $175,618,932.
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 721,493 sharesChange vs previous 13F -10,382 shares
0.68% of the 13F portfolio, value $225,134,756.
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 731,875 sharesChange vs previous 13F +87,785 shares
0.75% of the 13F portfolio, value $257,466,461.
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 644,090 sharesChange vs previous 13F not available
0.67% of the 13F portfolio, value $227,672,910.
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).