Chesley Taft & Associates LLC: AMZN position timeline

Chesley Taft & Associates LLC held 336,775 AMZN 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 336,775 shares

   Change vs previous 13F -3,255 shares

   3.28% of the 13F portfolio, value $83,907,491.

   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 340,030 shares

   Change vs previous 13F +358 shares

   3.16% of the 13F portfolio, value $81,042,750.

   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 339,672 shares

   Change vs previous 13F +24,300 shares

   2.96% of the 13F portfolio, value $70,743,487.

   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 315,372 shares

   Change vs previous 13F +10,163 shares

   2.87% of the 13F portfolio, value $72,794,165.

   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 305,209 shares

   Change vs previous 13F -2,436 shares

   2.84% of the 13F portfolio, value $67,014,740.

   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 307,645 shares

   Change vs previous 13F +52,638 shares

   3.01% of the 13F portfolio, value $67,494,237.

   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 255,007 shares

   Change vs previous 13F +992 shares

   2.34% of the 13F portfolio, value $48,517,632.

   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 254,015 shares

   Change vs previous 13F not available

   2.59% of the 13F portfolio, value $55,728,351.

   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).