Seros Financial, LLC: BRK-B position timeline

Seros Financial, LLC held 1,545 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 1,545 shares

   Change vs previous 13F -19,077 shares

   0.4% of the 13F portfolio, value $773,102.

   13F-HR 0001104659-26-095632 filed by Seros Financial, LLC
   Filed 2026-08-13 (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 20,622 shares

   Change vs previous 13F -3,103 shares

   6.29% of the 13F portfolio, value $9,882,225.

   13F-HR 0001104659-26-055527 filed by Seros Financial, LLC
   Filed 2026-05-05 (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 23,725 shares

   Change vs previous 13F +2,437 shares

   6.99% of the 13F portfolio, value $11,925,443.

   13F-HR 0001104659-26-011337 filed by Seros Financial, LLC
   Filed 2026-02-06 (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/A 21,288 shares

   Change vs previous 13F +1,891 shares

   6.48% of the 13F portfolio, value $10,702,253.

   13F-HR/A 0001104659-25-120288 filed by Seros Financial, LLC
   Filed 2025-12-11 (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 ended2025-06-30

   13F 19,397 shares

   Change vs previous 13F +612 shares

   5.97% of the 13F portfolio, value $9,422,320.

   13F-HR 0001667731-25-000900 filed by Seros Financial, LLC
   Filed 2025-07-21 (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 18,785 shares

   Change vs previous 13F -1,252 shares

   7.48% of the 13F portfolio, value $10,004,515.

   13F-HR 0001667731-25-000445 filed by Seros Financial, LLC
   Filed 2025-04-16 (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 20,037 shares

   Change vs previous 13F not available

   7.34% of the 13F portfolio, value $8,151,052.

   13F-HR 0001667731-25-000052 filed by Seros Financial, 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).