What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
CIK: 0001574850
Total reported value
$135.3M
$135.3M
26 檔
43.3%
The Q1 2025 SEC filing reveals that Tsai Capital Corp held a total portfolio value of $135.3M, covering 26 public equity positions.
In Q1 2025, Tsai Capital Corp displayed an active expansion posture, initiating 26 new positions and adding to 0 existing holdings, outstripping position reductions.
In terms of portfolio concentration, the top 5 core holdings (including TSLA, QXO, AAPL) accounted for 43.3% of total reported equity market value during Q1 2025.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | TSLA | Tesla Inc | Stock-Consumer Disc | 15.65% | +2.40% | +5.33% | |
| 2 | QXO | Qxo Inc | Stock-Industrials | 13.92% | -4.08% | -1.98% | |
| 3 | AAPL | Apple Inc | Stock-Tech | 9.40% | +1.14% | +0.04% | |
| 4 | MKL | Markel Group Inc | Stock-Financials | 4.67% | — | +16.46% | |
| 5 | CSGP | Costar Group Inc | Stock-Real Estate | 4.54% | -0.65% | +14.03% | |
| 6 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 4.35% | +0.94% | -2.89% | |
| 7 | COST | Costco Wholesale CORP | Stock-Consumer Staples | 3.81% | — | -7.99% | |
| 8 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 3.80% | +0.79% | -11.26% | |
| 9 | IDXX | Idexx Laboratories Inc | Stock-Healthcare | 3.19% | -2.00% | EXIT | |
| 10 | MSCI | Msci Inc | Stock-Financials | 3.08% | +0.09% | -7.06% | |
| 11 | CPRT | Copart Inc | Stock-Industrials | 3.07% | — | +6.92% | |
| 12 | NKE | Nike Inc -cl B | Stock-Consumer Disc | 2.88% | — | +6.10% | |
| 13 | V | Visa Inc-class A Shares | Stock-Financials | 2.86% | +0.30% | -1.73% | |
| 14 | MSFT | Microsoft CORP | Stock-Tech | 2.86% | +2.36% | -5.45% | |
| 15 | MA | Mastercard Inc - A | Stock-Financials | 2.70% | +0.05% | -1.19% | |
| 16 | TYL | Tyler Technologies Inc | Stock-Tech | 2.69% | -1.77% | EXIT | |
| 17 | FDS | Factset Research Systems Inc | Stock-Financials | 2.51% | — | +1.42% | |
| 18 | AKX | Ansys Inc | Stock-Other | 2.41% | — | +3.54% | |
| 19 | META | Meta Platforms Inc-class A | Stock-Comm Services | 2.39% | -0.23% | — | |
| 20 | ABNB | Airbnb Inc-class A | Stock-Consumer Disc | 2.38% | — | +0.59% | |
| 21 | ACGL | Arch Capital Group Ltd. | Stock-Financials | 2.35% | — | — | |
| 22 | ACN | Accenture plc | Stock-Tech | 2.08% | — | +0.50% | |
| 23 | NVDA | Nvidia CORP | Stock-Tech | 1.61% | +1.96% | — | |
| 24 | MCD | Mcdonald's CORP | Stock-Consumer Disc | 0.37% | -0.04% | — | |
| 25 | JNJ | Johnson & Johnson | Stock-Healthcare | 0.34% | — | — | |
| 26 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 0.11% | +0.04% | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | TSLA | Tesla Inc | — | NEW | New buy |
| 2 | QXO | Qxo Inc | — | NEW | New buy |
| 3 | AAPL | Apple Inc | — | NEW | New buy |
| 4 | MKL | Markel Group Inc | — | NEW | New buy |
| 5 | CSGP | Costar Group Inc | — | NEW | New buy |
| 6 | AMZN | Amazon.com Inc | — | NEW | New buy |
| 7 | COST | Costco Wholesale CORP | — | NEW | New buy |
| 8 | GOOG | Alphabet Inc-cl C | — | NEW | New buy |
| 9 | IDXX | Idexx Laboratories Inc | — | NEW | New buy |
| 10 | MSCI | Msci Inc | — | NEW | New buy |
| 11 | CPRT | Copart Inc | — | NEW | New buy |
| 12 | NKE | Nike Inc -cl B | — | NEW | New buy |
| 13 | V | Visa Inc-class A Shares | — | NEW | New buy |
| 14 | MSFT | Microsoft CORP | — | NEW | New buy |
| 15 | MA | Mastercard Inc - A | — | NEW | New buy |
| 16 | TYL | Tyler Technologies Inc | — | NEW | New buy |
| 17 | FDS | Factset Research Systems Inc | — | NEW | New buy |
| 18 | AKX | Ansys Inc | — | NEW | New buy |
| 19 | META | Meta Platforms Inc-class A | — | NEW | New buy |
| 20 | ABNB | Airbnb Inc-class A | — | NEW | New buy |
| 21 | ACGL | Arch Capital Group Ltd. | — | NEW | New buy |
| 22 | ACN | Accenture plc | — | NEW | New buy |
| 23 | NVDA | Nvidia CORP | — | NEW | New buy |
| 24 | MCD | Mcdonald's CORP | — | NEW | New buy |
| 25 | JNJ | Johnson & Johnson | — | NEW | New buy |
| 26 | SPY | Ss Spdr S&p 500 ETF Trust-us | — | NEW | New buy |
According to official SEC Form 13F filings, Tsai Capital Corp reported a total U.S. public equity portfolio value of $135.3M across 26 disclosed positions in Q1 2025.
During Q1 2025, Tsai Capital Corp's top holdings by market value included TSLA (15.7%)、QXO (13.9%)、AAPL (9.4%). The largest single position, TSLA, represented 15.7% of total portfolio value.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
Top New Position Initiated
TSLA
市值: $19.0M
In Q1 2025, Tsai Capital Corp made 26 total portfolio adjustments, initiating 26 new buys, adding to 0 positions, trimming 0 holdings, and fully liquidating 0 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.