Chesley Taft & Associates LLC: ACN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Chesley Taft & Associates LLC on ACN, newest first. How the timeline and the estimate are built.
Chesley Taft & Associates LLC held 89,447 ACN shares at 2026-09-30 per its 13F-HR filed 2026-10-13.
the latest 13F is the newest step
- period ended2026-09-3013F 89,447 sharesChange vs previous 13F -824 shares
0.64% of the 13F portfolio, value $16,401,896.
13F-HR 0001164632-26-000006 filed by Chesley Taft & Associates LLC
Accepted , ingested - period ended2026-06-3013F 90,271 sharesChange vs previous 13F -7,790 shares
0.44% of the 13F portfolio, value $11,233,323.
13F-HR 0001164632-26-000004 filed by Chesley Taft & Associates LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 98,061 sharesChange vs previous 13F +1,197 shares
0.81% of the 13F portfolio, value $19,444,515.
13F-HR 0001164632-26-000002 filed by Chesley Taft & Associates LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 96,864 sharesChange vs previous 13F +4,829 shares
1.03% of the 13F portfolio, value $25,988,611.
13F-HR 0001164632-26-000001 filed by Chesley Taft & Associates LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 92,035 sharesChange vs previous 13F -31 shares
0.96% of the 13F portfolio, value $22,695,831.
13F-HR 0001085146-25-005836 filed by Chesley Taft & Associates LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 92,066 sharesChange vs previous 13F -495 shares
1.23% of the 13F portfolio, value $27,517,607.
13F-HR 0001085146-25-003693 filed by Chesley Taft & Associates LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 92,561 sharesChange vs previous 13F -266 shares
1.4% of the 13F portfolio, value $28,882,734.
13F-HR 0001085146-25-002016 filed by Chesley Taft & Associates LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 92,827 sharesChange vs previous 13F not available
1.52% of the 13F portfolio, value $32,655,610.
13F-HR 0001085146-25-000305 filed by Chesley Taft & Associates LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).