Institutional Manager · CIK 0001574850
Tsai Capital Corp
New York, NY · File #028-20691
Latest AUM
$146.9M
Positions
20
Top-10 Concentration
82.1%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | BROOKFIELD CORP | 11271J107 | +240,868 | +$11.1M | $0 |
| EXITED | COPART INC | 217204106 | -140,738 | -$6.3M | $0 |
| NEW | BERKSHIRE HATHAWAY INC DEL | BRK-A | +10,117 | +$5.1M | $0 |
| EXITED | COSTAR GROUP INC | 22160N109 | -58,899 | -$5.0M | $0 |
| EXITED | ACCENTURE PLC IRELAND | G1151C101 | -12,910 | -$3.2M | $0 |
| EXITED | AIRBNB INC | 009066101 | -23,774 | -$2.9M | $0 |
| ADD | META PLATFORMS INC | META | +3,736 | +$2.5M | -$398,789 |
| ADD | AMAZON COM INC | AMZN | +10,391 | +$2.4M | +$415,800 |
| EXITED | METTLER TOLEDO INTERNATIONAL | 592688105 | -1,895 | -$2.3M | $0 |
| REDUCE | APPLE INC | AAPL | -2,589 | -$703,846 | +$868,082 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202520 pos · $146.9M
- 13F HOLDINGS REPORTQ/E Sep 202523 pos · $143.4M
- 13F HOLDINGS REPORTQ/E Jun 202528 pos · $136.4M
- 13F HOLDINGS REPORTQ/E Mar 202526 pos · $121.6M
- 13F HOLDINGS REPORTQ/E Dec 202425 pos · $137.4M
- 13F HOLDINGS REPORTQ/E Sep 202425 pos · $123.0M
- 13F HOLDINGS REPORTQ/E Jun 202424 pos · $101.5M
- 13F HOLDINGS REPORTQ/E Mar 202423 pos · $97.0M
- 13F HOLDINGS REPORTQ/E Dec 202323 pos · $104.7M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | TESLA INC | TSLA | 69,963 | $31.5M | 21.42% |
| 2 | QXO INC | QXO-PB | 1,336,821 | $25.8M | 17.56% |
| 3 | APPLE INC | AAPL | 47,793 | $13.0M | 8.85% |
| 4 | BROOKFIELD CORP | 11271J107 | 240,868 | $11.1M | 7.53% |
| 5 | AMAZON COM INC | AMZN | 47,351 | $10.9M | 7.44% |
| 6 | MARKEL GROUP INC | MKL | 3,520 | $7.6M | 5.15% |
| 7 | META PLATFORMS INC | META | 9,104 | $6.0M | 4.09% |
| 8 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 10,117 | $5.1M | 3.46% |
| 9 | ALPHABET INC | GOOG | 15,834 | $5.0M | 3.38% |
| 10 | MICROSOFT CORP | MSFT | 9,728 | $4.7M | 3.20% |
| 11 | NVIDIA CORPORATION | NVDA | 24,514 | $4.6M | 3.11% |
| 12 | COSTCO WHSL CORP | 22160K105 | 4,717 | $4.1M | 2.77% |
| 13 | MSCI INC | MSCI | 6,994 | $4.0M | 2.73% |
| 14 | VISA INC | V | 9,960 | $3.5M | 2.38% |
| 15 | MASTERCARD INCORPORATED | MA | 5,779 | $3.3M | 2.25% |
| 16 | IDEXX LABS INC | 45168D104 | 4,678 | $3.2M | 2.15% |
| 17 | TYLER TECHNOLOGIES INC | TYL | 6,034 | $2.7M | 1.86% |
| 18 | MCDONALDS CORP | MCD | 1,435 | $438,579 | 0.30% |
| 19 | JOHNSON & JOHNSON | JNJ | 1,788 | $370,027 | 0.25% |
| 20 | SPDR S&P 500 ETF TR | SPY | 235 | $160,251 | 0.11% |