CHECK CAPITAL MANAGEMENT INC/CA: AER position timeline

CHECK CAPITAL MANAGEMENT INC/CA held 807,867 AER shares at 2026-06-30 per its 13F-HR/A filed 2026-08-05.

the latest 13F is the newest step

1. period ended2026-06-30

   13F/A 807,867 shares

   Change vs previous 13F -9,788 shares

   6.66% of the 13F portfolio, value $117,770,852.

   13F-HR/A 0001032814-26-000006 filed by CHECK CAPITAL MANAGEMENT INC/CA
   Filed 2026-08-05 (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 817,655 shares

   Change vs previous 13F -9,707 shares

   6.92% of the 13F portfolio, value $112,165,979.

   13F-HR 0001032814-26-000004 filed by CHECK CAPITAL MANAGEMENT INC/CA
   Filed 2026-05-04 (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 827,362 shares

   Change vs previous 13F -4,375 shares

   7.11% of the 13F portfolio, value $118,941,511.

   13F-HR 0001032814-26-000001 filed by CHECK CAPITAL MANAGEMENT INC/CA
   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 831,737 shares

   Change vs previous 13F -6,592 shares

   6.37% of the 13F portfolio, value $100,640,124.

   13F-HR 0001032814-25-000007 filed by CHECK CAPITAL MANAGEMENT INC/CA
   Filed 2025-11-06 (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 838,329 shares

   Change vs previous 13F -14,932 shares

   6.47% of the 13F portfolio, value $98,084,492.

   13F-HR 0001032814-25-000005 filed by CHECK CAPITAL MANAGEMENT INC/CA
   Filed 2025-07-25 (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 853,261 shares

   Change vs previous 13F -9,541 shares

   5.67% of the 13F portfolio, value $87,177,709.

   13F-HR 0001032814-25-000003 filed by CHECK CAPITAL MANAGEMENT INC/CA
   Filed 2025-05-02 (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 862,802 shares

   Change vs previous 13F -11,810 shares

   5.47% of the 13F portfolio, value $82,570,183.

   13F-HR 0001032814-25-000002 filed by CHECK CAPITAL MANAGEMENT INC/CA
   Filed 2025-01-30 (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 874,612 shares

   Change vs previous 13F not available

   5.9% of the 13F portfolio, value $82,843,289.

   13F-HR 0001032814-24-000011 filed by CHECK CAPITAL MANAGEMENT INC/CA
   Filed 2024-11-06 (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).