BERKSHIRE HATHAWAY CLASS CLASS B - 846707020
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| WEST MICHIGAN ADVISORS, LLC | History | New | 2,974 | 1,488 | 0.28% | — | 1 | +2,974 | New | Q2 2026 | Aug 21, 2026 |
| XXEC, Inc. | History | Closed out | 0 | 0 | — | 3.67% | — | -8,655 | -100.0% | Q2 2026 | Aug 17, 2026 |
| Retirement Investment Advisors, Inc. | History | Closed out | 0 | 0 | — | 0.13% | — | -3,139 | -100.0% | Q2 2026 | Jul 15, 2026 |