Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.
Reported portfolio value by quarter (53 quarters reported)
— in Q2 2013 → $1.89M now. Hover for any quarter.
As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.
| Holding | % of portfolio | Activity | Shares | Value |
|---|---|---|---|---|
| BH Berkshire Hathaway Class B | 74.9% | Trimmed 45% | 2,825 | $1.41M |
| AC Alphabet Inc. Class A | 25.1% | Unchanged | 1,329 | $475K |
What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.
quarter ended June 30, 2026 · filed August 14, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| BH Berkshire Hathaway Class B | Trimmed | −2,350 | −$1.18M | 74.9% |
| IC Ishares Core S&P Totalus Stock Marketetf | Exited | −423 | −$60.2K | — |
quarter ended March 31, 2026 · filed May 14, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| IC Ishares Core S&P 500etf | Exited | −178 | −$122K | — |
| BH Berkshire Hathaway Class B | Trimmed | −204 | −$97.8K | 84.9% |
| IC Ishares Core S&P Totalus Stock Marketetf | Trimmed | −256 | −$36.5K | 2.1% |
quarter ended December 31, 2025 · filed February 12, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| IC Ishares Core S&P 500etf | New | +178 | +$122K | 3.7% |
| IC Ishares Core S&P Totalus Stock Marketetf | Added | +676 | +$101K | 3.0% |
| BH Berkshire Hathaway Class B | Trimmed | −18 | −$9.05K | 80.9% |
quarter ended September 30, 2025 · filed November 14, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| BH Berkshire Hathaway Class B | Trimmed | −299 | −$150K | 89.3% |
| IC Ishares Core S&P Totalus Stock Marketetf | Trimmed | −2 | −$303 | — |
quarter ended June 30, 2025 · filed August 14, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| BH Berkshire Hathaway Class B | Trimmed | −270 | −$131K | 92.2% |
| AC Alphabet Inc. Class A | Trimmed | −160 | −$28.2K | 7.8% |
| IC Ishares Core S&P Totalus Stock Marketetf | New | +5 | +$635 | — |
quarter ended March 31, 2025 · filed May 15, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| AC Alphabet Inc. Class A | Trimmed | −224 | −$34.6K | 6.8% |
| BH Berkshire Hathaway Class B | Trimmed | −36 | −$19.2K | 93.2% |
| IC Ishares Core S&P Totalus Stock Marketetf | Exited | −5 | −$641 | — |
| C Confidential | Exited | +0 | — | — |
quarter ended December 31, 2024 · filed February 14, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| AC Alphabet Inc. Class A | Trimmed | −646 | −$122K | 10.6% |
| BH Berkshire Hathaway Class B | Trimmed | −203 | −$92K | 89.3% |
| IC Ishares Core S&P Totalus Stock Marketetf | New | +5 | +$641 | — |
quarter ended September 30, 2024 · filed November 14, 2024
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| IC Ishares Core S&P Totalus Stock Marketetf | Exited | −600 | −$71.3K | — |
| IC Ishares Core S&P Small-cape | Exited | −280 | −$29.9K | — |
| IC Ishares Core S&P 500etf | Exited | −20 | −$10.9K | — |
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