Mason & Associates Inc: BRK-B position timeline

Mason & Associates Inc held 13,824 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 13,824 shares

   Change vs previous 13F +157 shares

   1.12% of the 13F portfolio, value $6,917,525.

   13F-HR 0001917686-26-000003 filed by Mason & Associates Inc
   Filed 2026-07-23 (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 13,667 shares

   Change vs previous 13F -1,097 shares

   1.26% of the 13F portfolio, value $6,487,351.

   13F-HR 0001917686-26-000002 filed by Mason & Associates Inc
   Filed 2026-04-30 (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 14,764 shares

   Change vs previous 13F -124 shares

   1.4% of the 13F portfolio, value $7,421,291.

   13F-HR 0001917686-26-000001 filed by Mason & Associates Inc
   Filed 2026-02-05 (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 14,888 shares

   Change vs previous 13F -1,038 shares

   1.51% of the 13F portfolio, value $7,484,960.

   13F-HR 0001917686-25-000007 filed by Mason & Associates Inc
   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 15,926 shares

   Change vs previous 13F +669 shares

   1.79% of the 13F portfolio, value $7,736,534.

   13F-HR 0001917686-25-000005 filed by Mason & Associates Inc
   Filed 2025-07-31 (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 15,257 shares

   Change vs previous 13F +392 shares

   2.02% of the 13F portfolio, value $8,125,538.

   13F-HR 0001917686-25-000002 filed by Mason & Associates Inc
   Filed 2025-04-17 (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 14,865 shares

   Change vs previous 13F +2,692 shares

   1.59% of the 13F portfolio, value $6,737,978.

   13F-HR 0001917686-25-000001 filed by Mason & Associates Inc
   Filed 2025-01-14 (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 12,173 shares

   Change vs previous 13F not available

   1.4% of the 13F portfolio, value $5,602,844.

   13F-HR 0001917686-24-000005 filed by Mason & Associates Inc
   Filed 2024-10-23 (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).