| Quarter | Holdings | Value ($000) | Top Holdings | Form Type | Date Filed | Filing ID |
|---|---|---|---|---|---|---|
| Q4 2023 | 5 | 690,153 | BRK-A, GOOG, BRK-B, MKL | 13F-HR | 2/14/2024 | 000010488924000005 |
| Q3 2023 | 5 | 665,514 | BRK-A, BRK-B, GOOG, MKL | 13F-HR | 11/14/2023 | 000010488923000068 |
| Q2 2023 | 5 | 648,756 | BRK-A, BRK-B, GOOG, MKL | 13F-HR | 8/14/2023 | 000010488923000054 |
| Q1 2023 | 5 | 603,543 | BRK-A, GOOG, BRK-B, MKL | 13F-HR | 5/15/2023 | 000010488923000038 |
| Q4 2022 | 6 | 609,920 | BRK-A, GOOG, BRK-B, MKL | 13F-HR | 2/14/2023 | 000010488923000016 |
| Q3 2022 | 6 | 597,456 | GOOG, BRK-A, BRK-B, MKL | 13F-HR | 11/14/2022 | 000156761922020174 |
| Q2 2022 | 6 | 648,605 | GOOG, BRK-A, BRK-B, MKL | 13F-HR | 8/15/2022 | 000156761922015900 |
| Q1 2022 | 6 | 795,790 | GOOG, BRK-A, BRK-B, MKL | 13F-HR | 5/13/2022 | 000156761922010497 |
| Q4 2021 | 7 | 804,167 | GOOG, BRK-A, BRK-B, LUMN | 13F-HR | 2/14/2022 | 000156761922004357 |