Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.
Reported portfolio value by quarter (80 quarters reported)
$112M in Q4 2006 → $1.04B now. Hover for any quarter.
As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.
| Holding | % of portfolio | Activity | Shares | Value |
|---|---|---|---|---|
| BH Berkshire Hathaway Inc Del | 92.3% | Unchanged | 1,923,123 | $958M |
| UB Us Bancorp Del | 4.0% | Unchanged | 710,000 | $41M |
| EP Enterprise Prods Partners LP | 3.8% | Unchanged | 1,100,000 | $39.2M |
What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.
quarter ended September 30, 2026 · filed October 06, 2026
No position changes this quarter.
quarter ended June 30, 2026 · filed July 06, 2026
No position changes this quarter.
quarter ended March 31, 2026 · filed April 09, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| UB Us Bancorp Del | Trimmed | −1,500 | −$78K | 3.7% |
quarter ended December 31, 2025 · filed January 07, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| UB Us Bancorp Del | Trimmed | −698,500 | −$37.3M | 3.7% |
quarter ended September 30, 2025 · filed November 06, 2025
No position changes this quarter.
quarter ended June 30, 2025 · filed August 05, 2025
No position changes this quarter.
quarter ended March 31, 2025 · filed August 01, 2025
No position changes this quarter.
quarter ended December 31, 2024 · filed August 01, 2025
No position changes this quarter.
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