Hemenway Trust Co LLC: BRK-A position timeline

Hemenway Trust Co LLC held 12 BRK-A shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 12 shares

   Change vs previous 13F -3 shares

   0.63% of the 13F portfolio, value $8,986,200.

   13F-HR 0001494234-26-000006 filed by Hemenway Trust Co LLC
   Filed 2026-08-11 (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).

2. period ended2026-03-31

   13F 15 shares

   Change vs previous 13F -4 shares

   0.87% of the 13F portfolio, value $10,772,100.

   13F-HR 0001494234-26-000003 filed by Hemenway Trust Co LLC
   Filed 2026-05-07 (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).

3. period ended2025-12-31

   13F 19 shares

   Change vs previous 13F -3 shares

   1.1% of the 13F portfolio, value $14,341,200.

   13F-HR 0001494234-26-000002 filed by Hemenway Trust Co LLC
   Filed 2026-02-03 (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).

4. period ended2025-09-30

   13F 22 shares

   Change vs previous 13F -3 shares

   1.27% of the 13F portfolio, value $16,592,400.

   13F-HR 0001494234-25-000015 filed by Hemenway Trust Co LLC
   Filed 2025-11-07 (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).

5. period ended2025-06-30

   13F 25 shares

   Change vs previous 13F +9 shares

   1.41% of the 13F portfolio, value $18,220,000.

   13F-HR 0001494234-25-000012 filed by Hemenway Trust Co LLC
   Filed 2025-07-23 (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).

6. period ended2025-03-31

   13F 16 shares

   Change vs previous 13F -4 shares

   1.04% of the 13F portfolio, value $12,775,066.

   13F-HR 0001494234-25-000009 filed by Hemenway Trust Co LLC
   Filed 2025-04-18 (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).

7. period ended2024-12-31

   13F 20 shares

   Change vs previous 13F -4 shares

   1.1% of the 13F portfolio, value $13,618,400.

   13F-HR 0001494234-25-000002 filed by Hemenway Trust Co LLC
   Filed 2025-02-13 (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).

8. period ended2024-09-30

   13F 24 shares

   Change vs previous 13F not available

   1.31% of the 13F portfolio, value $16,588,320.

   13F-HR 0001494234-24-000007 filed by Hemenway Trust Co LLC
   Filed 2024-11-05 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC

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