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: 0000902367
Total reported value
$38.4B
$38.4B
1867 檔
17.6%
At the close of Q4 2025, Blair William & Co/il disclosed equity holdings valued at approximately $38.4B, spread across 1867 reported holdings.
In Q4 2025, Blair William & Co/il adopted a defensive or profit-taking posture, trimming 32 positions and completely liquidating 0 holdings to manage risk exposure.
Showing top 200 holdings (of 1867 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | MSFT | Microsoft CORP | Stock-Tech | 4.64% | -0.36% | -0.90% | |
| 2 | AAPL | Apple Inc | Stock-Tech | 4.34% | +0.01% | -0.71% | |
| 3 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 3.76% | +0.03% | +0.96% | |
| 4 | NVDA | Nvidia CORP | Stock-Tech | 2.75% | +0.09% | -2.67% | |
| 5 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 2.63% | +0.22% | -0.86% | |
| 6 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 2.09% | +0.23% | -1.28% | |
| 7 | JPM | Jpmorgan Chase & Co | Stock-Financials | 2.00% | — | +0.13% | |
| 8 | IDXX | Idexx Laboratories Inc | Stock-Healthcare | 1.82% | -0.26% | -2.95% | |
| 9 | V | Visa Inc-class A Shares | Stock-Financials | 1.82% | +0.05% | -1.68% | |
| 10 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 1.57% | +0.07% | -0.18% | |
| 11 | MA | Mastercard Inc - A | Stock-Financials | 1.46% | -0.19% | -2.19% | |
| 12 | META | Meta Platforms Inc-class A | Stock-Comm Services | 1.30% | -0.20% | +8.45% | |
| 13 | COST | Costco Wholesale CORP | Stock-Consumer Staples | 1.21% | -0.21% | -5.51% | |
| 14 | GEV | GE Vernova Inc | Stock-Industrials | 1.14% | +0.36% | +3.85% | |
| 15 | APH | Amphenol Corp-cl A | Stock-Tech | 0.96% | +0.24% | -3.55% | |
| 16 | LLY | Eli Lilly & Co | Stock-Healthcare | 0.94% | +0.23% | +8.43% | |
| 17 | NOW | Servicenow Inc | Stock-Tech | 0.91% | +0.04% | +454.99% | |
| 18 | UBER | Uber Technologies Inc | Stock-Industrials | 0.90% | -0.15% | -3.29% | |
| 19 | IVV | Ishares Core S&p 500 ETF | ETF-Large Cap & Growth | 0.90% | +0.04% | +9.43% | |
| 20 | PGR | Progressive CORP | Stock-Financials | 0.86% | -0.10% | -2.23% | |
| 21 | DHR | Danaher CORP | Stock-Healthcare | 0.84% | -0.22% | +0.48% | |
| 22 | AVGO | Broadcom Inc | Stock-Tech | 0.83% | +0.10% | +0.76% | |
| 23 | ABBV | Abbvie Inc | Stock-Healthcare | 0.82% | +0.01% | +5.85% | |
| 24 | SYK | Stryker CORP | Stock-Healthcare | 0.80% | -0.24% | -8.11% | |
| 25 | FAST | Fastenal Co | Stock-Industrials | 0.76% | -0.05% | +0.70% | |
| 26 | VEEV | Veeva Systems Inc-class A | Stock-Healthcare | 0.74% | -0.19% | -4.71% | |
| 27 | ICE | Intercontinental Exchange In | Stock-Financials | 0.73% | -0.31% | -2.27% | |
| 28 | WMT | Walmart Inc | Stock-Consumer Staples | 0.72% | -0.18% | +0.26% | |
| 29 | HD | Home Depot Inc | Stock-Consumer Disc | 0.70% | -0.08% | -1.27% | |
| 30 | AXP | American Express Co | Stock-Financials | 0.70% | — | -0.49% | |
| 31 | ISRG | Intuitive Surgical Inc | Stock-Healthcare | 0.67% | -0.15% | -4.07% | |
| 32 | BWXT | Bwx Technologies Inc | Stock-Industrials | 0.67% | -0.05% | +20.87% | |
| 33 | VOO | Vanguard S&p 500 ETF | ETF-Large Cap & Growth | 0.63% | +0.07% | +13.70% | |
| 34 | PANW | Palo Alto Networks Inc | Stock-Tech | 0.62% | +0.49% | +1.01% | |
| 35 | GWRE | Guidewire Software Inc | Stock-Tech | 0.61% | -0.19% | -2.03% | |
| 36 | WSO | Watsco Inc | Stock-Industrials | 0.61% | — | -15.57% | |
| 37 | TDG | Transdigm Group Inc | Stock-Industrials | 0.61% | +0.02% | -1.40% | |
| 38 | ECL | Ecolab Inc | Stock-Materials | 0.60% | -0.04% | +8.02% | |
| 39 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 0.60% | -0.05% | +0.41% | |
| 40 | BX | Blackstone Inc | Stock-Financials | 0.57% | -0.08% | +0.54% | |
| 41 | P | Everpure Inc-a | Stock-Tech | 0.55% | +0.14% | -1.02% | |
| 42 | VEU | Vanguard Ftse All-world Ex-u | ETF-Other | 0.54% | +0.08% | +19.64% | |
| 43 | APP | Applovin Corp-class A | Stock-Tech | 0.53% | — | -6.94% | |
| 44 | ABT | Abbott Laboratories | Stock-Healthcare | 0.53% | -0.14% | -1.28% | |
| 45 | VEA | Vanguard Ftse Developed ETF | ETF-Other | 0.53% | +0.09% | +3.42% | |
| 46 | JNJ | Johnson & Johnson | Stock-Healthcare | 0.53% | -0.04% | +0.14% | |
| 47 | TYL | Tyler Technologies Inc | Stock-Tech | 0.50% | -0.11% | -2.79% | |
| 48 | CTAS | Cintas CORP | Stock-Industrials | 0.50% | — | -1.09% | |
| 49 | WDAY | Workday Inc-class A | Stock-Tech | 0.48% | -0.04% | -6.10% | |
| 50 | AON | Aon plc | Stock-Financials | 0.47% | -0.08% | -6.32% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | GOOG | Alphabet Inc-cl C | +0.6% | -0.86% | Trim |
| 2 | GOOGL | Alphabet Inc-cl A | +0.5% | -1.28% | Trim |
| 3 | LLY | Eli Lilly & Co | +0.3% | +8.43% | Add |
| 4 | AAPL | Apple Inc | +0.3% | -0.71% | Trim |
| 5 | AMZN | Amazon.com Inc | +0.3% | +0.96% | Add |
| 6 | ISRG | Intuitive Surgical Inc | +0.1% | -4.07% | Trim |
| 7 | DHR | Danaher CORP | +0.1% | +0.48% | Add |
| 8 | GEV | GE Vernova Inc | +0.1% | +3.85% | Add |
| 9 | VEU | Vanguard Ftse All-world Ex-u | +0.1% | +19.64% | Add |
| 10 | GLD | Spdr Gold Shares | +0.1% | +43.24% | Add |
| 11 | IVV | Ishares Core S&p 500 ETF | +0.1% | +9.43% | Add |
| 12 | MU | Micron Technology Inc | +0.1% | +0.03% | Add |
| 13 | VOO | Vanguard S&p 500 ETF | +0.1% | +13.70% | Add |
| 14 | BWXT | Bwx Technologies Inc | +0.1% | +20.87% | Add |
| 15 | JLL | Jones Lang Lasalle Inc | +0.1% | +22.32% | Add |
| 16 | MDB | Mongodb Inc | +0.1% | -2.04% | Trim |
| 17 | AXP | American Express Co | +0.1% | -0.49% | Trim |
| 18 | RSP | Invesco S&p 500 Equal Weight | +0.1% | +34.01% | Add |
| 19 | TMO | Thermo Fisher Scientific Inc | +0.1% | +17.06% | Add |
| 20 | VUG | Vanguard Growth ETF | +0.1% | +23.57% | Add |
| 21 | SMMD | Ishares Russell 2500 ETF | +0.1% | +156.67% | Add |
| 22 | NVDA | Nvidia CORP | -0.1% | -2.67% | Trim |
| 23 | NOW | Servicenow Inc | -0.1% | +454.99% | Add |
| 24 | ADBE | Adobe Inc | -0.1% | -19.03% | Trim |
| 25 | AMT | American Tower CORP | -0.1% | -13.27% | Trim |
| 26 | APP | Applovin Corp-class A | -0.1% | -6.94% | Trim |
| 27 | PGR | Progressive CORP | -0.1% | -2.23% | Trim |
| 28 | TYL | Tyler Technologies Inc | -0.1% | -2.79% | Trim |
| 29 | WDAY | Workday Inc-class A | -0.1% | -6.10% | Trim |
| 30 | SYK | Stryker CORP | -0.1% | -8.11% | Trim |
| 31 | NFLX | Netflix Inc | -0.1% | +902.26% | Add |
| 32 | GWRE | Guidewire Software Inc | -0.1% | -2.03% | Trim |
| 33 | MSI | Motorola Solutions Inc | -0.1% | -35.45% | Trim |
| 34 | CMG | Chipotle Mexican Grill Inc | -0.1% | -58.01% | Trim |
| 35 | AAON | Aaon Inc | -0.1% | -7.71% | Trim |
| 36 | CPRT | Copart Inc | -0.1% | -6.83% | Trim |
| 37 | CWAN | Clearwater Analytics Holdings, Inc. | -0.1% | -52.72% | Trim |
| 38 | ORCL | Oracle CORP | -0.1% | -6.42% | Trim |
| 39 | HD | Home Depot Inc | -0.1% | -1.27% | Trim |
| 40 | P | Everpure Inc-a | -0.1% | -1.02% | Trim |
| 41 | COST | Costco Wholesale CORP | -0.2% | -5.51% | Trim |
| 42 | FAST | Fastenal Co | -0.2% | +0.70% | Add |
| 43 | POOL | Pool CORP | -0.2% | -75.07% | Trim |
| 44 | ZTS | Zoetis Inc | -0.2% | -28.84% | Trim |
| 45 | UBER | Uber Technologies Inc | -0.2% | -3.29% | Trim |
| 46 | WSO | Watsco Inc | -0.3% | -15.57% | Trim |
| 47 | VEEV | Veeva Systems Inc-class A | -0.3% | -4.71% | Trim |
| 48 | MSFT | Microsoft CORP | -0.3% | -0.90% | Trim |
| 49 | CSGP | Costar Group Inc | -0.3% | -35.32% | Trim |
| 50 | FISV | Fiserv Inc | -0.6% | -70.62% | Trim |
According to official SEC Form 13F filings, Blair William & Co/il reported a total U.S. public equity portfolio value of $38.4B across 1867 disclosed positions in Q4 2025.
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.
In terms of portfolio concentration, the top 5 core holdings (including MSFT, AAPL, AMZN) accounted for 17.6% of total reported equity market value during Q4 2025.
Top Position Liquidated / Trimmed
MSFT
前期市值: $1.9B
During Q4 2025, Blair William & Co/il's top holdings by market value included MSFT (4.6%)、AAPL (4.3%)、AMZN (3.8%). The largest single position, MSFT, represented 4.6% of total portfolio value.
In Q4 2025, Blair William & Co/il made 50 total portfolio adjustments, initiating 0 new buys, adding to 18 positions, trimming 32 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.