WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Institutional investor · Portfolio as of Q4 2021
Top Holdings427 positions
TAIWAN SEMICONDUCTOR MANUFAC | 11.3M | $1.4B | 3.7% | $38.63 | +188.66% | 13 qtrssince 2018-Q4 | Increased 60 |
MICROSOFT CORP | 2.5M | $847.1M | 2.3% | $189.85 | +70.33% | 13 qtrssince 2018-Q4 | Increased 70 |
BUILDERS FIRSTSOURCE INC | 7.3M | $623.4M | 1.7% | $38.50 | +118.33% | 6 qtrssince 2020-Q3 | Decreased 0 |
AMAZON COM INC | 169,270 | $564.4M | 1.5% | $111.40 | +49.65% | 13 qtrssince 2018-Q4 | Increased 65 |
ALPHABET INC | 191,285 | $554.2M | 1.5% | $75.76 | +89.40% | 13 qtrssince 2018-Q4 | Increased 62 |
EVERPURE INC | 14.7M | $478.1M | 1.3% | $17.12 | +90.11% | 13 qtrssince 2018-Q4 | Decreased 0 |
MERCADOLIBRE INC | 346,884 | $467.7M | 1.3% | $915.65 | +47.26% | 11 qtrssince 2019-Q2 | Increased 57 |
CANADIAN NATL RY CO | 3.6M | $438.7M | 1.2% | $72.00 | +55.05% | 13 qtrssince 2018-Q4 | Decreased 0 |
TREX INC | 3.1M | $416.4M | 1.1% | $32.41 | +316.63% | 13 qtrssince 2018-Q4 | Decreased 0 |
CHARLES RIV LABS INTL INC | 1.1M | $405.5M | 1.1% | $291.36 | +29.01% | 6 qtrssince 2020-Q3 | Increased 56 |
NICE LTD | 1.3M | $393.4M | 1.1% | $131.92 | +132.50% | 13 qtrssince 2018-Q4 | Decreased 0 |
AZENTA INC | 3.7M | $383.6M | 1.0% | $34.84 | +196.16% | 8 qtrssince 2020-Q1 | Decreased 0 |
ABIOMED INC | 1M | $367.8M | 1.0% | — | — | 13 qtrssince 2018-Q4 | Increased 47 |
CROWN HLDGS INC | 3.3M | $366.4M | 1.0% | $62.91 | +66.76% | 12 qtrssince 2019-Q1 | Decreased 0 |
WYNDHAM HOTELS & RESORTS INC | 3.9M | $353.3M | 1.0% | $69.11 | +18.31% | 3 qtrssince 2021-Q2 | Increased 55 |
STATE STR SPDR S&P 500 ETF T | 714,950 | $339.6M | 0.9% | $231.05 | +92.94% | 13 qtrssince 2018-Q4 | Decreased 0 |
MASTERCARD INCORPORATED | 940,013 | $337.8M | 0.9% | $256.68 | +36.08% | 13 qtrssince 2018-Q4 | Increased 50 |
BWX TECHNOLOGIES INC | 7M | $333.1M | 0.9% | $37.76 | +20.72% | 13 qtrssince 2018-Q4 | Decreased 0 |
BRINKS CO | 5.1M | $332.8M | 0.9% | $59.18 | +5.07% | 13 qtrssince 2018-Q4 | Decreased 0 |
| 865,821 | $330.1M | 0.9% | — | — | 7 qtrssince 2020-Q2 | Increased 46 |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC manages $37B across 427 positions as of Q4 2021. Top holdings: TSM (3.7%), MSFT (2.3%), BLDR (1.7%). Fund DNA: Balanced Allocator. HoldingsIntel Score: 3/5.0.
Active quarter - 36 new positions, 40 exits, 194 increased. Top move: MSFT (INCREASED, conviction 70). Portfolio: $37.0B across 427 positions.
Top holdings by portfolio weight
Portfolio allocation by GICS sector
Behavioral investing profile
Position Outcomes
Best and worst performing positions by estimated return
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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
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