BLAIR WILLIAM & CO/IL: AME position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on AME, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 436,176 AME shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 436,176 sharesChange vs previous 13F -21,271 shares
0.27% of the 13F portfolio, value $105,528,476.
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 457,447 sharesChange vs previous 13F -28,727 shares
0.28% of the 13F portfolio, value $98,058,314.
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 486,174 sharesChange vs previous 13F -43,099 shares
0.27% of the 13F portfolio, value $99,816,479.
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 529,273 sharesChange vs previous 13F -160,587 shares
0.26% of the 13F portfolio, value $99,503,334.
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 689,860 sharesChange vs previous 13F -15,277 shares
0.35% of the 13F portfolio, value $124,837,051.
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 705,137 sharesChange vs previous 13F -1,265 shares
0.37% of the 13F portfolio, value $121,382,292.
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 706,402 sharesChange vs previous 13F -11,793 shares
0.37% of the 13F portfolio, value $127,335,972.
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 718,195 sharesChange vs previous 13F not available
0.36% of the 13F portfolio, value $123,321,235.
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).