Stock
Reported value
$221.9M
Holders
5
+0 new · −0 exited
Holders’ est. mark
—
Need a prior quarter
Largest holder
$220.8M
CHECK CAPITAL MANAGEMENT INC/CA
Holder count by quarter
Who holds it
Notable only| Investor | Shares | Value | Est. mark | Change |
|---|---|---|---|---|
| CHECK CAPITAL MANAGEMENT INC/CA | 703.6K | $220.8M | — | Held |
| Tandem Investment Advisors, Inc. | 1.96K | $613.5K | — | Held |
| LAM GROUP, INC. | 800 | $251K | — | Held |
| Byrne Asset Management LLC | 766 | $240.4K | — | Held |
| SANDER CAPITAL ADVISORS INC | 93.2K | $29.2K | — | Held |
Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.