Chesley Taft & Associates LLC: IBB position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Chesley Taft & Associates LLC on IBB, newest first. How the timeline and the estimate are built.
Chesley Taft & Associates LLC held 23,657 IBB shares at 2026-09-30 per its 13F-HR filed 2026-10-13.
the latest 13F is the newest step
- period ended2026-09-3013F 23,657 sharesChange vs previous 13F -205 shares
0.19% of the 13F portfolio, value $4,980,433.
13F-HR 0001164632-26-000006 filed by Chesley Taft & Associates LLC
Accepted , ingested - period ended2026-06-3013F 23,862 sharesChange vs previous 13F +54 shares
0.18% of the 13F portfolio, value $4,538,246.
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 23,808 sharesChange vs previous 13F -2,599 shares
0.17% of the 13F portfolio, value $4,019,920.
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 26,407 sharesChange vs previous 13F +990 shares
0.18% of the 13F portfolio, value $4,456,649.
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 25,417 sharesChange vs previous 13F -95 shares
0.16% of the 13F portfolio, value $3,669,400.
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 25,512 sharesChange vs previous 13F -1,101 shares
0.14% of the 13F portfolio, value $3,227,477.
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 26,613 sharesChange vs previous 13F -85 shares
0.16% of the 13F portfolio, value $3,403,756.
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 26,698 sharesChange vs previous 13F not available
0.16% of the 13F portfolio, value $3,529,688.
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).