WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Institutional investor · Portfolio as of Q3 2020
Top Holdings343 positions
TAIWAN SEMICONDUCTOR MFG LTD | 13.3M | $1.1B | 4.2% | $31.98 | +130.35% | 8 qtrssince 2018-Q4 | Decreased 0 |
State Street Spdr S&p 500 Etf Trust TR UNIT | 1.9M | $621.4M | 2.4% | $231.05 | +33.68% | 8 qtrssince 2018-Q4 | Decreased 0 |
HORIZON THERAPEUTICS PUB L | 5.9M | $454.7M | 1.8% | — | — | 6 qtrssince 2019-Q2 | Decreased 0 |
Amazon.com, Inc. | 135,947 | $428.1M | 1.7% | $86.42 | +82.18% | 8 qtrssince 2018-Q4 | Decreased 0 |
BWX TECHNOLOGIES INC | 7.5M | $423M | 1.6% | $37.51 | +40.36% | 8 qtrssince 2018-Q4 | Decreased 0 |
Mercadolibre Inc | 344,704 | $373.1M | 1.5% | $753.06 | +43.74% | 6 qtrssince 2019-Q2 | Decreased 0 |
TAL EDUCATION GROUP | 4.8M | $362.1M | 1.4% | $46.99 | +59.02% | 8 qtrssince 2018-Q4 | Decreased 0 |
CANADIAN NATL RY CO | 3.4M | $357.5M | 1.4% | $66.44 | +44.97% | 8 qtrssince 2018-Q4 | Decreased 0 |
SEA LTD SPONSORD ADS | 2.1M | $330.1M | 1.3% | $80.67 | +92.34% | 6 qtrssince 2019-Q2 | Increased 69 |
GRAND CANYON ED INC | 4.1M | $324.2M | 1.3% | $93.34 | -14.36% | 8 qtrssince 2018-Q4 | Decreased 0 |
Microsoft Corp. | 1.5M | $309M | 1.2% | $118.69 | +68.53% | 8 qtrssince 2018-Q4 | Decreased 0 |
Encompass Health Corporation | 4.7M | $303.8M | 1.2% | $45.56 | +6.58% | 8 qtrssince 2018-Q4 | Increased 50 |
NICE LTD | 1.3M | $297.2M | 1.2% | $119.10 | +89.74% | 8 qtrssince 2018-Q4 | Decreased 0 |
LULULEMON ATHLETICA INC | 843,570 | $277.8M | 1.1% | $183.39 | +76.49% | 8 qtrssince 2018-Q4 | Decreased 0 |
BJ Wholesale Club Holdings Inc | 6.7M | $277.4M | 1.1% | $25.86 | +56.40% | 6 qtrssince 2019-Q2 | Decreased 0 |
Martin Marietta Materials Inc | 1.2M | $276.9M | 1.1% | $169.62 | +33.63% | 8 qtrssince 2018-Q4 | Decreased 0 |
YANDEX N V | 4.2M | $275M | 1.1% | — | — | 8 qtrssince 2018-Q4 | Decreased 0 |
TREX CO INC | 3.8M | $274.9M | 1.1% | $31.82 | +124.98% | 8 qtrssince 2018-Q4 | Increased 76 |
Alphabet Inc. | 178,949 | $262.3M | 1.0% | $55.32 | +31.22% | 8 qtrssince 2018-Q4 | Decreased 0 |
IRHYTHM TECHNOLOGIES INC | 1.1M | $255.1M | 1.0% | $69.15 | +237.78% | 4 qtrssince 2019-Q4 | Decreased 0 |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC manages $25.7B across 343 positions as of Q3 2020. Top holdings: TSM (4.2%), SPY (2.4%), HZNP (1.8%). Fund DNA: Balanced Allocator. HoldingsIntel Score: 3/5.0.
Active quarter - 27 new positions, 25 exits, 146 increased. Top move: TREX (INCREASED, conviction 76). Portfolio: $25.7B across 343 positions.
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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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