BLAIR WILLIAM & CO/IL
Institutional investor · Portfolio as of Q1 2024
Top Holdings1,787 positions
Microsoft Corp | 3.7M | $1.5B | 4.8% | $109.65 | +276.36% | 22 qtrssince 2018-Q4 | Increased 58 |
Amazon.com Inc | 5.9M | $1.1B | 3.4% | $93.15 | +93.65% | 22 qtrssince 2018-Q4 | Increased 60 |
Apple Inc | 6.1M | $1B | 3.3% | $47.08 | +260.27% | 22 qtrssince 2018-Q4 | Decreased 0 |
IDEXX Laboratories Inc | 1.2M | $642.1M | 2.0% | $189.80 | +184.47% | 22 qtrssince 2018-Q4 | Decreased 0 |
DexCom Inc | 4.5M | $628.7M | 2.0% | $44.76 | +209.88% | 22 qtrssince 2018-Q4 | Increased 50 |
Visa Inc | 2.2M | $612.1M | 1.9% | $129.63 | +111.28% | 22 qtrssince 2018-Q4 | Increased 49 |
Alphabet Inc | 3.5M | $527.4M | 1.7% | $57.19 | +163.73% | 22 qtrssince 2018-Q4 | Decreased 0 |
Mastercard Inc | 1M | $504M | 1.6% | $201.84 | +135.08% | 22 qtrssince 2018-Q4 | Decreased 0 |
JPMorgan Chase & Co | 2.2M | $444.4M | 1.4% | $96.36 | +97.24% | 22 qtrssince 2018-Q4 | Increased 49 |
Danaher Corp | 1.8M | $439.8M | 1.4% | $110.13 | +123.28% | 22 qtrssince 2018-Q4 | Increased 50 |
CoStar Group Inc | 4.4M | $427M | 1.3% | $52.44 | +84.20% | 22 qtrssince 2018-Q4 | Increased 49 |
Workday Inc | 1.5M | $419.5M | 1.3% | $173.86 | +56.88% | 22 qtrssince 2018-Q4 | Decreased 0 |
Costco Wholesale Corp | 569,763 | $417.4M | 1.3% | $290.05 | +149.09% | 22 qtrssince 2018-Q4 | Decreased 0 |
Zoetis Inc | 2.4M | $411.7M | 1.3% | $91.70 | +77.95% | 22 qtrssince 2018-Q4 | Decreased 0 |
SPDR S&P 500 ETF Trust | 734,315 | $384.1M | 1.2% | $284.34 | +78.68% | 22 qtrssince 2018-Q4 | Increased 49 |
Alphabet Inc | 2.5M | $382.5M | 1.2% | $62.47 | +139.31% | 22 qtrssince 2018-Q4 | Decreased 0 |
NVIDIA Corp | 383,682 | $346.7M | 1.1% | $13.96 | +545.28% | 22 qtrssince 2018-Q4 | Increased 50 |
Watsco Inc | 792,011 | $342.1M | 1.1% | $158.40 | +154.79% | 22 qtrssince 2018-Q4 | Increased 50 |
Adobe Systems Inc | 677,263 | $341.7M | 1.1% | $248.36 | +103.18% | 22 qtrssince 2018-Q4 | Decreased 0 |
Pool Corp | 843,650 | $340.4M | 1.1% | $273.17 | +41.04% | 22 qtrssince 2018-Q4 | Increased 52 |
BLAIR WILLIAM & CO/IL manages $31.8B across 1787 positions as of Q1 2024. Top holdings: MSFT (4.8%), AMZN (3.4%), AAPL (3.3%). Fund DNA: Balanced Allocator. HoldingsIntel Score: 4.5/5.0.
Active quarter - 95 new positions, 93 exits, 722 increased. Top move: AMZN (INCREASED, conviction 60). Portfolio: $31.8B across 1787 positions.
Top holdings by portfolio weight
Portfolio allocation by GICS sector
Behavioral investing profile
Position Outcomes
Best and worst performing positions by estimated return
Top Winners
Top Losers
Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.
Similar Funds
Funds with similar investing DNA
Explore More
Accumulation Streaks
Positions with 2+ consecutive quarters of increases - persistent directional conviction.
Continue exploring
Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer
Verify source filings on SEC EDGAR