Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.
Reported portfolio value by quarter (53 quarters reported)
$129M in Q2 2013 → $117M 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 Inc Del | 32.1% | Unchanged | 50 | $37.4M |
| BH Berkshire Hathaway Inc Del | 23.4% | Added 0.4% | 54,630 | $27.3M |
| WM White Mtns Ins Group Ltd | 21.9% | Trimmed 3.0% | 12,320 | $25.5M |
| AC Alphabet Inc Cap Stk | 4.8% | Trimmed 1.9% | 15,600 | $5.57M |
| AC Alphabet Inc Cap Stk | 4.4% | Unchanged | 14,500 | $5.12M |
| Apple Inc | 2.9% | Trimmed 2.5% | 11,800 | $3.41M |
| Cadiz Inc | 2.3% | Added 1.9% | 656,000 | $2.74M |
| Boeing Co | 0.9% | Unchanged | 4,900 | $1.06M |
| Cme Group Inc | 0.9% | New | 4,500 | $994K |
| Kimberly Clark Corp | 0.8% | Added 26% | 8,600 | $944K |
| Citigroup Inc | 0.7% | Trimmed 3.3% | 5,900 | $826K |
| IF International FLAVORS&FRAGRA | 0.5% | Trimmed 3.7% | 7,900 | $626K |
| Qxo Inc | 0.4% | Added 2082% | 24,000 | $415K |
| FC Fox Corp Cl B | 0.3% | New | 8,000 | $375K |
| F Facebook Inc. | 0.3% | Trimmed 7.1% | 650 | $366K |
| Palo Alto Networks Inc | 0.3% | Trimmed 33% | 1,000 | $341K |
| AS Adobe Systems Incorporated | 0.3% | Added 38% | 1,650 | $338K |
| Microsoft Corp | 0.3% | New | 830 | $310K |
| Uber Technologies Inc | 0.3% | Added 62% | 4,200 | $303K |
| Salesforce Inc | 0.2% | Added 23% | 1,600 | $251K |
| Pfizer Inc | 0.2% | Added 15% | 8,500 | $205K |
| Boston Scientific Corp | 0.2% | New | 4,500 | $192K |
| Netflix Inc | 0.1% | Added 35% | 2,300 | $164K |
| Dupont De Nemours Inc | 0.1% | New | 1,200 | $163K |
| Amazon Com Inc | 0.1% | Trimmed 18% | 600 | $143K |
| Unitedhealth Group Inc | 0.1% | Trimmed 30% | 330 | $137K |
| FP Five Point Holdings LLC Com | 0.1% | Added 9.5% | 23,000 | $121K |
| AR Acacia Resh Corp Acacia Tch | 0.1% | Unchanged | 25,000 | $117K |
| CT Crispr Therapeutics Ag Namen | 0.1% | Added 5.3% | 2,000 | $109K |
| Ge Healthcare Technologies | 0.1% | New | 1,600 | $102K |
| Servicenow Inc | 0.1% | Trimmed 23% | 1,000 | $99.3K |
| AG Alibaba Group Hldg Ltd | 0.1% | Added 200% | 900 | $86.4K |
| Nvidia Corporation | 0.1% | Added 40% | 420 | $84K |
| AB Atlanta Braves Hldgs Inc | 0.1% | Unchanged | 1,600 | $83K |
| Hershey Co | 0.1% | New | 400 | $70.2K |
| Cardiff Oncology Inc | 0.1% | Added 7.9% | 48,000 | $62.4K |
| Mediaalpha Inc | 0.0% | Trimmed 80% | 4,500 | $56.6K |
| Dow Inc | 0.0% | Trimmed 9.1% | 2,000 | $54.7K |
| OP Occidental Pete Corp | 0.0% | Added 43% | 1,000 | $48.6K |
| Shake Shack Inc. | 0.0% | New | 800 | $44.8K |
| Nephros Inc | 0.0% | Trimmed 8.3% | 11,000 | $39.3K |
| Pershing Square Usa Ltd | 0.0% | New | 1,000 | $37.4K |
| American Express Co | 0.0% | Trimmed 71% | 100 | $33.8K |
| RI Reading Intl Inc | 0.0% | Unchanged | 26,000 | $33.3K |
| Cable One Inc | 0.0% | New | 550 | $29.2K |
| FN Fg Nexus Inc | 0.0% | New | 5,000 | $25.9K |
| FR Forrester Resh Inc | 0.0% | Trimmed 40% | 3,000 | $25.2K |
| Biohaven Ltd | 0.0% | Trimmed 45% | 1,100 | $16.4K |
| ML Mount Logan Cap Inc | 0.0% | New | 1,500 | $5.16K |
| Creative Realities Inc | 0.0% | Unchanged | 15 | $62 |
What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.
quarter ended June 30, 2026 · filed August 13, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Kennedy-wilson Holdings Inc | Exited | −4,199,000 | −$45.4M | — |
| Cme Group Inc | New | +4,500 | +$994K | 0.9% |
| WM White Mtns Ins Group Ltd | Trimmed | −380 | −$788K | 21.9% |
| Qxo Inc | Added | +22,900 | +$396K | 0.4% |
| FC Fox Corp Cl B | New | +8,000 | +$375K | 0.3% |
| Microsoft Corp | New | +830 | +$310K | 0.3% |
| Mediaalpha Inc | Trimmed | −18,500 | −$233K | — |
| Microsoft Corp | Exited | −565 | −$209K | — |
| Kimberly Clark Corp | Added | +1,800 | +$198K | 0.8% |
| Boston Scientific Corp | New | +4,500 | +$192K | 0.2% |
Showing the 10 largest of 53 changes.
quarter ended March 31, 2026 · filed May 14, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| OP Occidental Pete Corp | Trimmed | −37,300 | −$2.42M | — |
| WM White Mtns Ins Group Ltd | Trimmed | −898 | −$1.97M | 17.8% |
| Dow Inc | Trimmed | −24,300 | −$1.01M | 0.1% |
| Kimberly Clark Corp | Added | +4,300 | +$415K | 0.4% |
| Kennedy-wilson Holdings Inc | Trimmed | −35,500 | −$384K | 28.9% |
| Salesforce Inc | New | +1,300 | +$243K | 0.2% |
| Palo Alto Networks Inc | New | +1,500 | +$240K | 0.2% |
| Meta Platforms Inc | Added | +390 | +$223K | 0.3% |
| Mediaalpha Inc | New | +23,000 | +$214K | 0.1% |
| Microsoft Corp | New | +565 | +$209K | 0.1% |
Showing the 10 largest of 51 changes.
quarter ended December 31, 2025 · filed February 17, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| WM White Mtns Ins Group Ltd | Trimmed | −1,212 | −$2.52M | 17.8% |
| CN Cleveland-cliffs Inc New | Trimmed | −19,600 | −$260K | 0.1% |
| PT Proshares Tr Short S&P 500 | Exited | −7,000 | −$259K | — |
| Kimberly Clark Corp | New | +2,500 | +$252K | 0.2% |
| Apple Inc | Trimmed | −900 | −$245K | 2.0% |
| F Facebook Inc | New | +310 | +$205K | 0.1% |
| Qnity Electronics Inc | New | +2,500 | +$204K | 0.1% |
| Cadiz Inc | Trimmed | −31,223 | −$175K | 2.3% |
| AC Alphabet Inc Cap Stk | Trimmed | −500 | −$157K | 2.9% |
| OP Occidental Pete Corp | Trimmed | −3,550 | −$146K | 1.0% |
Showing the 10 largest of 47 changes.
quarter ended September 30, 2025 · filed November 13, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| AC Alphabet Inc Cap Stk | Trimmed | −3,100 | −$754K | 2.8% |
| IF International FLAVORS&FRAGRA | Added | +8,400 | +$517K | 0.4% |
| CN Cleveland-cliffs Inc New | Trimmed | −40,500 | −$494K | 0.3% |
| AC Alphabet Inc Cap Stk | Trimmed | −1,600 | −$390K | 2.5% |
| Dell Technologies Inc | Trimmed | −1,300 | −$184K | — |
| WM White Mtns Ins Group Ltd | Trimmed | −90 | −$150K | 16.8% |
| Cable One Inc. | Exited | −1,000 | −$136K | — |
| Dow Inc | Added | +5,100 | +$117K | 0.5% |
| CT Crispr Therapeutics Ag Namen | Trimmed | −1,800 | −$117K | 0.1% |
| Uber Technologies Inc | Trimmed | −1,100 | −$108K | 0.1% |
Showing the 10 largest of 34 changes.
quarter ended June 30, 2025 · filed August 14, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| UH United Health Group Inc. | New | +1,050 | +$328K | 0.2% |
| KH Kennedy-wilson Hldgs | Added | +43,400 | +$295K | 21.0% |
| Berkshire Hathaway Inc. | Added | +510 | +$248K | 19.2% |
| Dell Technologies Inc. | Trimmed | −1,780 | −$218K | 0.1% |
| A- Alphabet Inc - Cl C | Trimmed | −1,200 | −$213K | 2.1% |
| A- Alphabet Inc - Cl A | Trimmed | −1,050 | −$185K | 2.5% |
| Oshkosh Corp. | Trimmed | −1,300 | −$148K | 0.1% |
| Cadiz Inc. | Added | +46,000 | +$138K | 1.5% |
| Cable One Inc. | New | +1,000 | +$136K | 0.1% |
| Boeing Co | Trimmed | −625 | −$131K | 0.6% |
Showing the 10 largest of 36 changes.
quarter ended March 31, 2025 · filed May 14, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Berkshire Hathaway Inc. | Trimmed | −1,400 | −$746K | 18.8% |
| WM White Mtns Ins Group Ltd | Trimmed | −175 | −$337K | 18.8% |
| AG Alibaba Group Hldg Ltd | Trimmed | −2,300 | −$307K | — |
| AS Adobe Systems Incorporated | Added | +750 | +$288K | 0.3% |
| Cme Group Inc. | Exited | −1,097 | −$255K | — |
| Oshkosh Corp. | Added | +2,200 | +$207K | 0.2% |
| Cadiz Inc. | Added | +40,346 | +$118K | 1.2% |
| Moderna Inc. | Exited | −2,500 | −$104K | — |
| Boeing Co | Added | +600 | +$102K | 0.5% |
| Dell Technologies Inc. | Added | +1,080 | +$98.5K | 0.2% |
Showing the 10 largest of 41 changes.
quarter ended December 31, 2024 · filed February 13, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| WM White Mtns Ins Group Ltd | Trimmed | −1,095 | −$2.13M | 19.3% |
| Snowflake Inc. | Trimmed | −5,500 | −$853K | — |
| Dow Inc. | Added | +17,800 | +$714K | 0.7% |
| KH Kennedy-wilson Hldgs | Trimmed | −48,500 | −$485K | 27.5% |
| PS Proshares Short S&P 500 | Exited | −37,600 | −$408K | — |
| Cme Group Inc. | Trimmed | −1,503 | −$349K | 0.2% |
| PS Proshares Short S&P 500 | New | +7,800 | +$331K | 0.2% |
| Cleveland-cliffs Inc. | Trimmed | −34,000 | −$320K | 0.4% |
| Cadiz Inc. | Trimmed | −45,846 | −$238K | 2.0% |
| Uber Technologies Inc. | New | +3,300 | +$199K | 0.1% |
Showing the 10 largest of 41 changes.
quarter ended September 30, 2024 · filed November 13, 2024
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| OP Occidental Pete Corp. | Added | +27,500 | +$1.42M | 1.3% |
| Cto Realty Growth Inc. | Trimmed | −37,500 | −$715K | 0.1% |
| Cme Group Inc. | Trimmed | −2,600 | −$574K | 0.4% |
| Cleveland-cliffs Inc. | Added | +32,500 | +$415K | 0.8% |
| Gilead Sciences Inc. | Exited | −5,650 | −$388K | — |
| Berkshire Hathaway Inc. | Trimmed | −570 | −$262K | 16.3% |
| Dell Technologies Inc. | New | +1,900 | +$225K | 0.1% |
| Boeing Co | Added | +1,110 | +$169K | 0.5% |
| Snowflake Inc. | Added | +1,300 | +$149K | 0.4% |
| Moderna Inc. | New | +2,200 | +$147K | 0.1% |
Showing the 10 largest of 47 changes.
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