Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.
Reported portfolio value by quarter (31 quarters reported)
$836M in Q4 2018 → $19.1B 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 |
|---|---|---|---|---|
| Apple Inc | 41.1% | Trimmed 6.4% | 27,098,707 | $7.84B |
| BH Berkshire Hathaway Inc Del | 24.2% | Added 0.9% | 9,229,696 | $4.62B |
| Pdd Holdings Inc | 10.0% | Added 27% | 25,022,094 | $1.91B |
| Tesla Inc | 7.4% | Trimmed 0.8% | 3,380,400 | $1.42B |
| Nvidia Corporation | 6.6% | Trimmed 55% | 6,280,675 | $1.26B |
| Alphabet Inc | 3.6% | Trimmed 47% | 1,968,600 | $696M |
| OP Occidental Pete Corp | 2.6% | Unchanged | 10,261,500 | $498M |
| Microsoft Corp | 1.5% | Trimmed 26% | 754,100 | $281M |
| CT Credo Technology Group Holdi | 1.0% | Trimmed 6.7% | 701,200 | $191M |
| Unitedhealth Group Inc | 0.9% | Trimmed 34% | 399,600 | $166M |
| DW Disney Walt Co | 0.9% | Added 13% | 1,706,600 | $164M |
| AG Alibaba Group Hldg Ltd | 0.2% | New | 301,400 | $28.9M |
| Circle Internet Group Inc | 0.1% | Unchanged | 200,000 | $12.5M |
| Palantir Technologies Inc | 0.0% | Unchanged | 60,000 | $7M |
| Synopsys Inc | 0.0% | Unchanged | 10,000 | $4.46M |
| Snowflake Inc | 0.0% | Unchanged | 10,000 | $2.55M |
| Tempus Ai Inc | 0.0% | Unchanged | 20,000 | $1.16M |
| Innodata Inc | 0.0% | Unchanged | 10,000 | $756K |
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 |
|---|---|---|---|---|
| Nvidia Corporation | Trimmed | −7,563,100 | −$1.51B | 6.6% |
| Alphabet Inc | Trimmed | −1,737,400 | −$614M | 3.6% |
| Apple Inc | Trimmed | −1,846,900 | −$534M | 41.1% |
| Pdd Holdings Inc | Added | +5,273,800 | +$402M | 10.0% |
| Microsoft Corp | Trimmed | −261,900 | −$97.7M | 1.5% |
| Unitedhealth Group Inc | Trimmed | −201,800 | −$83.9M | 0.9% |
| TS Taiwan Semiconductor Manufac | Exited | −151,200 | −$51.1M | — |
| BH Berkshire Hathaway Inc Del | Added | +81,900 | +$41M | 24.2% |
| AG Alibaba Group Hldg Ltd | New | +301,400 | +$28.9M | 0.2% |
| DW Disney Walt Co | Added | +194,800 | +$18.7M | 0.9% |
Showing the 10 largest of 13 changes.
quarter ended March 31, 2026 · filed May 19, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Tesla Inc | New | +3,408,900 | +$1.27B | 6.3% |
| Nvidia Corporation | Added | +6,606,675 | +$1.15B | 12.1% |
| BH Berkshire Hathaway Inc Del | Added | +1,971,600 | +$945M | 21.9% |
| Apple Inc | Trimmed | −3,412,900 | −$866M | 36.7% |
| Pdd Holdings Inc | Added | +8,211,600 | +$839M | 10.1% |
| Alphabet Inc | Added | +1,850,600 | +$531M | 5.3% |
| AG Alibaba Group Hldg Ltd | Exited | −2,560,500 | −$375M | — |
| TS Taiwan Semiconductor Manufac | Trimmed | −1,073,184 | −$363M | 0.3% |
| OP Occidental Pete Corp | Trimmed | −2,911,100 | −$189M | 3.3% |
| Unitedhealth Group Inc | New | +601,400 | +$163M | 0.8% |
Showing the 10 largest of 22 changes.
quarter ended December 31, 2025 · filed February 17, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Nvidia Corporation | Added | +6,639,300 | +$1.24B | 7.7% |
| BH Berkshire Hathaway Inc Del | Added | +1,984,896 | +$998M | 20.6% |
| Apple Inc | Trimmed | −2,470,600 | −$672M | 50.3% |
| Pdd Holdings Inc | Added | +2,962,500 | +$336M | 7.5% |
| TS Taiwan Semiconductor Mfg Ltd | Added | +964,400 | +$293M | 2.1% |
| Microsoft Corp | Added | +579,800 | +$280M | 2.4% |
| AH Asml Holding N V | Trimmed | −70,100 | −$75M | 0.1% |
| AG Alibaba Group Hldg Ltd | Trimmed | −216,830 | −$31.8M | 2.1% |
| Coreweave Inc | New | +299,900 | +$21.5M | 0.1% |
| CT Credo Technology Group Holdi | New | +141,300 | +$20.3M | 0.1% |
Showing the 10 largest of 14 changes.
quarter ended September 30, 2025 · filed November 14, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| BH Berkshire Hathaway Inc Del | Added | +1,810,000 | +$910M | 17.8% |
| AG Alibaba Group Hldg Ltd | Trimmed | −968,900 | −$173M | 3.4% |
| AH Asml Holding N V | New | +80,000 | +$77.4M | 0.5% |
| Apple Inc | Trimmed | −289,500 | −$73.7M | 60.4% |
| Nvidia Corporation | Trimmed | −367,000 | −$68.5M | 0.8% |
| Alphabet Inc | Trimmed | −134,900 | −$32.9M | 3.0% |
| Pdd Holdings Inc | Trimmed | −88,500 | −$11.7M | 7.7% |
quarter ended June 30, 2025 · filed August 14, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Apple Inc | Added | +894,426 | +$184M | 62.5% |
| Alphabet Inc | Added | +834,800 | +$148M | 3.0% |
| Pdd Holdings Inc | Added | +908,794 | +$95.1M | 7.9% |
| Nvidia Corporation | Added | +319,700 | +$50.5M | 1.3% |
| AG Alibaba Group Hldg Ltd | Trimmed | −235,900 | −$26.8M | 3.7% |
| OP Occidental Pete Corp | Trimmed | −270,000 | −$11.3M | 4.9% |
| Microsoft Corp | Trimmed | −20,000 | −$9.95M | 1.2% |
| TS Taiwan Semiconductor Mfg Ltd | Trimmed | −11,808 | −$2.67M | 0.5% |
| Moderna Inc | Exited | −83,000 | −$2.35M | — |
quarter ended March 31, 2025 · filed May 15, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Apple Inc | Trimmed | −6,640,396 | −$1.48B | 63.3% |
| Alphabet Inc | Trimmed | −2,655,900 | −$415M | 1.4% |
| AG Alibaba Group Hldg Ltd | Trimmed | −1,468,700 | −$194M | 4.4% |
| BH Berkshire Hathaway Inc Del | Trimmed | −239,800 | −$128M | 15.0% |
| Microsoft Corp | New | +299,200 | +$112M | 0.9% |
| Nvidia Corporation | New | +645,100 | +$69.9M | 0.6% |
| Pdd Holdings Inc | Added | +525,200 | +$62.2M | 7.6% |
| TS Taiwan Semiconductor Mfg Ltd | New | +271,792 | +$45.1M | 0.4% |
| OP Occidental Pete Corp | Added | +249,100 | +$12.3M | 5.7% |
| DW Disney Walt Co | Trimmed | −23,000 | −$2.27M | 0.6% |
Showing the 10 largest of 11 changes.
quarter ended December 31, 2024 · filed February 14, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Apple Inc | Trimmed | −11,904,578 | −$2.98B | 70.5% |
| Pdd Holdings Inc | Added | +3,321,100 | +$322M | 4.8% |
| Alphabet Inc | Trimmed | −1,299,800 | −$248M | 4.9% |
| OP Occidental Pete Corp | Added | +4,353,300 | +$215M | 4.6% |
| BH Berkshire Hathaway Inc Del | Trimmed | −161,000 | −$73M | 11.3% |
| Moderna Inc | Added | +65,300 | +$2.72M | — |
| AG Alibaba Group Hldg Ltd | Added | +7,100 | +$602K | 3.2% |
| DW Disney Walt Co | Trimmed | −2,500 | −$278K | 0.6% |
quarter ended September 30, 2024 · filed November 14, 2024
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Apple Inc | Trimmed | −11,155,100 | −$2.6B | 74.3% |
| Pdd Holdings Inc | Added | +3,804,600 | +$513M | 3.2% |
| OP Occidental Pete Corp | Added | +7,680,598 | +$396M | 2.9% |
| AG Alibaba Group Hldg Ltd | Trimmed | −863,100 | −$91.6M | 3.5% |
| BH Berkshire Hathaway Inc Del | Trimmed | −117,000 | −$53.9M | 10.5% |
| Alphabet Inc | Added | +40,300 | +$6.74M | 5.1% |
| BA Bank America Corp | Exited | −107,900 | −$4.29M | — |
| Moderna Inc | Trimmed | −43,000 | −$2.87M | — |
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