Tsai Capital Corp holds a concentrated book of 17 stocks worth $135.3M as of Q2 2026 (disclosed Aug 13, 2026, a ~44-day 13F lag). This quarter they opened Space Exploration Techn Corp and trimmed Tesla Inc. Their largest long position is Tesla Inc at 22% of the equity book.
Top-heavy: concentrated book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
94% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Other tracked managers holding the same core names as Tsai Capital Corp
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| Donor Advised Charitable Giving, Inc. | 4 / 17 | $4.4B |
| Palidye Holdings (Caymans) Ltd | 3 / 17 | $532.2M |
| Pangea Capital Gestao de Recursos Ltda. | 3 / 17 | $116.8M |
| Prospect Hill Management, LLC | 7 / 17 | $228.6M |
| Hoffman, Alan N Investment Management | 7 / 17 | $147.2M |
| Greenbrier Partners Capital Management, LLC | 9 / 17 | $1.1B |
| RAMSEY QUANTITATIVE SYSTEMS | 3 / 17 | $95.2M |
| Marest Capital, LLC | 8 / 17 | $169.3M |
Ranked by the share of each fund's own book sitting in the names it shares with Tsai Capital Corp: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Tesla Inc COM | $29.7M | 70.6K | 21.9% | ▼−0.1% Reduced · −64 sh | |
| 2 | Qxo Inc COM NEW | $19.9M | 1.15M | 14.7% | ▼−11% Reduced · −149K sh | |
| 3 | Apple Inc COM | $14.0M | 48.5K | 10.4% | ▼−0.8% Reduced · −389 sh | |
| 4 | Amazon Com Inc COM | $11.6M | 48.8K | 8.6% | ▼−1.2% Reduced · −593 sh | |
| 5 | Brookfield Corp CL A LTD VT SH | $8.4M | 197.2K | 6.2% | ▼−21% Reduced · −51K sh | |
| 6 | Costar Group Inc COM | $8.3M | 294.2K | 6.2% | ▲+30% Added · +67K sh | |
| 7 | Nvidia Corporation COM | $7.1M | 35.3K | 5.2% | ▲+40% Added · +10K sh | |
| 8 | Microsoft Corp COM | $6.9M | 18.6K | 5.1% | ▲+85% Added · +9K sh | |
| 9 | Space Exploration Techn Corp CLASS A COM STK | $6.7M | 39.0K | 4.9% | ▲New New position | |
| 10 | Alphabet Inc CAP STK CL C | $5.7M | 16.2K | 4.2% | ▲+0.4% Added · +72 sh | |
| 11 | Meta Platforms Inc CL A | $5.0M | 8.9K | 3.7% | ▼−3.8% Reduced · −353 sh | |
| 12 | Msci Inc COM | $4.1M | 7.3K | 3.0% | —Held | |
| 13 | Visa Inc COM CL A | $3.5M | 10.3K | 2.6% | —Held | |
| 14 | Mastercard Incorporated CL A | $3.1M | 6.0K | 2.3% | ▲~0% Added · +1 sh | |
| 15 | Ishares TR 0-3 MNTH TREASRY | $572K | 5.7K | 0.4% | —Held | |
| 16 | McDonalds Corp COM | $388K | 1.4K | 0.3% | —Held | |
| 17 | State STRT SPDR S&P ETF T TR UNIT | $205K | 274 | 0.2% | ▲+17% Added · +39 sh |
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1574850/holdings"
Use Arkolith to show Tsai Capital Corp's latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | Aug 13, 2026 | 17 | $135.3M | 13F-HR |
| Q1 2026 | Mar 31, 2026 | May 14, 2026 | 19 | $134.4M | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 4, 2026 | 20 | $146.9M | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 13, 2025 | 23 | $143.4M | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 13, 2025 | 28 | $136.4M | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 13, 2025 | 26 | $121.6M | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 12, 2025 | 25 | $137.4M | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 14, 2024 | 25 | $123.0M | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.