| # | % | |||||
|---|---|---|---|---|---|---|
| 51 | BERKSHIRE HATHAWAY INC DEL | 318,076 | 45,905,000 | 8.09% | ||
| 52 | Montpelier Re Holdings Ltd | 1,271,767 | 48,887,000 | 8.61% | ||
| 53 | WHITE MOUNTAINS INSURANCE GRP LTD | 83,747 | 57,326,000 | 10.10% | ||
| 54 | GRAHAM HLDGS CO | 88,054 | 92,425,000 | 16.28% |
Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001104659-15-038183, filed 2015.05.14).
From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.