Chesley Taft & Associates LLC: ABT position timeline

Chesley Taft & Associates LLC held 282,519 ABT shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

1. period ended2026-09-30

   13F 282,519 shares

   Change vs previous 13F +2,835 shares

   1.09% of the 13F portfolio, value $27,921,358.

   13F-HR 0001164632-26-000006 filed by Chesley Taft & Associates LLC
   Accepted 2026-10-13 13:37:43 UTC, ingested 2026-10-13 13:38:13 UTC

2. period ended2026-06-30

   13F 279,684 shares

   Change vs previous 13F +37,055 shares

   0.99% of the 13F portfolio, value $25,378,531.

   13F-HR 0001164632-26-000004 filed by Chesley Taft & Associates LLC
   Filed 2026-07-08 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC

   Acceptance time not in the bulk data set (spec §4.2).

3. period ended2026-03-31

   13F 242,629 shares

   Change vs previous 13F +858 shares

   1.04% of the 13F portfolio, value $24,910,673.

   13F-HR 0001164632-26-000002 filed by Chesley Taft & Associates LLC
   Filed 2026-04-13 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC

   Acceptance time not in the bulk data set (spec §4.2).

4. period ended2025-12-31

   13F 241,771 shares

   Change vs previous 13F +18,609 shares

   1.2% of the 13F portfolio, value $30,291,480.

   13F-HR 0001164632-26-000001 filed by Chesley Taft & Associates LLC
   Filed 2026-01-14 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC

   Acceptance time not in the bulk data set (spec §4.2).

5. period ended2025-09-30

   13F 223,162 shares

   Change vs previous 13F -9,502 shares

   1.27% of the 13F portfolio, value $29,890,363.

   13F-HR 0001085146-25-005836 filed by Chesley Taft & Associates LLC
   Filed 2025-10-08 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC

   Acceptance time not in the bulk data set (spec §4.2).

6. period ended2025-06-30

   13F 232,664 shares

   Change vs previous 13F -1,398 shares

   1.41% of the 13F portfolio, value $31,644,602.

   13F-HR 0001085146-25-003693 filed by Chesley Taft & Associates LLC
   Filed 2025-07-09 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC

   Acceptance time not in the bulk data set (spec §4.2).

7. period ended2025-03-31

   13F 234,062 shares

   Change vs previous 13F -3,598 shares

   1.5% of the 13F portfolio, value $31,048,371.

   13F-HR 0001085146-25-002016 filed by Chesley Taft & Associates LLC
   Filed 2025-04-10 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC

   Acceptance time not in the bulk data set (spec §4.2).

8. period ended2024-12-31

   13F 237,660 shares

   Change vs previous 13F not available

   1.25% of the 13F portfolio, value $26,881,707.

   13F-HR 0001085146-25-000305 filed by Chesley Taft & Associates LLC
   Filed 2025-01-17 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC

   Acceptance time not in the bulk data set (spec §4.2).