AlphaMark Advisors, LLC: BRK-B position timeline

AlphaMark Advisors, LLC held 849 BRK-B shares at 2024-12-31 per its 13F-HR filed 2025-01-21.

the latest 13F is the newest step

1. period ended2024-12-31

   13F 849 shares

   Change vs previous 13F +110 shares

   0.17% of the 13F portfolio, value $385,000.

   13F-HR 0001348183-25-000001 filed by AlphaMark Advisors, LLC
   Filed 2025-01-21 (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).

2. period ended2024-09-30

   13F 739 shares

   Change vs previous 13F +2 shares

   0.12% of the 13F portfolio, value $340,000.

   13F-HR 0001348183-24-000006 filed by AlphaMark Advisors, LLC
   Filed 2024-10-16 (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).

3. period ended2024-06-30

   13F 737 shares

   Change vs previous 13F -123 shares

   0.1% of the 13F portfolio, value $300,000.

   13F-HR 0001348183-24-000004 filed by AlphaMark Advisors, LLC
   Filed 2024-07-17 (acceptance time not in the bulk data set), ingested 2026-10-07 18:27:57 UTC

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

4. period ended2024-03-31

   13F 860 shares

   Change vs previous 13F +50 shares

   0.13% of the 13F portfolio, value $362,000.

   13F-HR 0001348183-24-000002 filed by AlphaMark Advisors, LLC
   Filed 2024-04-18 (acceptance time not in the bulk data set), ingested 2026-10-07 18:28:46 UTC

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

5. period ended2023-12-31

   13F 810 shares

   Change vs previous 13F +10 shares

   0.11% of the 13F portfolio, value $289,000.

   13F-HR 0001348183-24-000001 filed by AlphaMark Advisors, LLC
   Filed 2024-01-19 (acceptance time not in the bulk data set), ingested 2026-10-07 18:29:43 UTC

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

6. period ended2023-09-30

   13F 800 shares

   Change vs previous 13F +100 shares

   0.12% of the 13F portfolio, value $280,000.

   13F-HR 0001348183-23-000004 filed by AlphaMark Advisors, LLC
   Filed 2023-10-31 (acceptance time not in the bulk data set), ingested 2026-10-07 18:30:40 UTC

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

7. period ended2023-06-30

   13F 700 shares

   Change vs previous 13F +200 shares

   0.11% of the 13F portfolio, value $239,000.

   13F-HR 0001348183-23-000003 filed by AlphaMark Advisors, LLC
   Filed 2023-07-28 (acceptance time not in the bulk data set), ingested 2026-10-07 18:31:37 UTC

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

8. period ended2023-03-31

   13F 500 shares

   Change vs previous 13F not available

   0.07% of the 13F portfolio, value $154,000.

   13F-HR 0001348183-23-000002 filed by AlphaMark Advisors, LLC
   Filed 2023-05-04 (acceptance time not in the bulk data set), ingested 2026-10-07 18:32:36 UTC

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