BLAIR WILLIAM & CO/IL
Institutional investor · Portfolio as of Q1 2025
Top Holdings1,801 positions
Microsoft Corp | 3.8M | $1.4B | 4.3% | $123.78 | +199.75% | 26 qtrssince 2018-Q4 | Decreased 0 |
Apple Inc | 6.2M | $1.4B | 4.1% | $54.92 | +302.02% | 26 qtrssince 2018-Q4 | Decreased 0 |
Amazon.com Inc | 6.2M | $1.2B | 3.5% | $96.92 | +96.30% | 26 qtrssince 2018-Q4 | Decreased 0 |
Visa Inc | 2M | $713.8M | 2.2% | $129.63 | +167.30% | 26 qtrssince 2018-Q4 | Decreased 0 |
NVIDIA Corp | 5.4M | $583.1M | 1.8% | $44.74 | +141.62% | 26 qtrssince 2018-Q4 | Increased 53 |
JPMorgan Chase & Co | 2.3M | $568.9M | 1.7% | $104.03 | +128.85% | 26 qtrssince 2018-Q4 | Decreased 0 |
Mastercard Inc | 1M | $559.5M | 1.7% | $201.87 | +169.05% | 26 qtrssince 2018-Q4 | Decreased 0 |
Costco Wholesale Corp | 548,899 | $519.1M | 1.6% | $309.80 | +202.70% | 26 qtrssince 2018-Q4 | Decreased 0 |
Alphabet Inc | 3.2M | $502.4M | 1.5% | $57.19 | +171.89% | 26 qtrssince 2018-Q4 | Decreased 0 |
SPDR S&P 500 ETF Trust | 854,383 | $477.9M | 1.4% | $321.61 | +71.10% | 26 qtrssince 2018-Q4 | Increased 51 |
IDEXX Laboratories Inc | 1.1M | $458.1M | 1.4% | $189.80 | +121.26% | 26 qtrssince 2018-Q4 | Decreased 0 |
Fiserv Inc | 2M | $439.5M | 1.3% | $95.54 | +131.14% | 26 qtrssince 2018-Q4 | Decreased 0 |
Progressive Corp/The | 1.5M | $431M | 1.3% | $91.06 | +191.48% | 26 qtrssince 2018-Q4 | Decreased 0 |
Watsco Inc | 814,712 | $414.1M | 1.2% | $178.99 | +171.48% | 26 qtrssince 2018-Q4 | Increased 52 |
Alphabet Inc | 2.6M | $399.6M | 1.2% | $69.14 | +122.60% | 26 qtrssince 2018-Q4 | Decreased 0 |
Stryker Corp | 926,375 | $344.8M | 1.0% | $180.31 | +103.29% | 26 qtrssince 2018-Q4 | Decreased 0 |
Facebook Inc | 551,158 | $317.7M | 1.0% | $368.79 | +55.53% | 26 qtrssince 2018-Q4 | Increased 59 |
Zoetis Inc | 1.9M | $311.6M | 0.9% | $91.73 | +74.93% | 26 qtrssince 2018-Q4 | Decreased 0 |
Uber Technologies Inc | 4.2M | $309.6M | 0.9% | $50.98 | +42.69% | 24 qtrssince 2019-Q2 | Increased 46 |
Intercontinental Exchange Inc | 1.8M | $306.1M | 0.9% | $73.53 | +130.25% | 26 qtrssince 2018-Q4 | Decreased 0 |
BLAIR WILLIAM & CO/IL manages $33.2B across 1801 positions as of Q1 2025. Top holdings: MSFT (4.3%), AAPL (4.1%), AMZN (3.5%). Fund DNA: Balanced Allocator. HoldingsIntel Score: 4.5/5.0.
Active quarter - 82 new positions, 97 exits, 631 increased. Top move: META (INCREASED, conviction 59). Portfolio: $33.2B across 1801 positions.
Top holdings by portfolio weight
Portfolio allocation by GICS sector
Behavioral investing profile
Position Outcomes
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Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.
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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer
Verify source filings on SEC EDGAR