WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Institutional investor · Portfolio as of Q2 2021
Top Holdings465 positions
Taiwan Semiconductor Manufactu | 10.8M | $1.3B | 4.1% | $35.57 | +210.58% | 11 qtrssince 2018-Q4 | Increased 61 |
SPDR S&P 500 ETF Trust | 1.3M | $556.4M | 1.7% | $231.05 | +72.73% | 11 qtrssince 2018-Q4 | Decreased 0 |
Microsoft Corp | 2M | $531.7M | 1.7% | $144.71 | +79.32% | 11 qtrssince 2018-Q4 | Increased 50 |
Amazon.com Inc | 127,552 | $438.8M | 1.4% | $90.41 | +90.26% | 11 qtrssince 2018-Q4 | Increased 50 |
BWX TECHNOLOGIES INC | 7.4M | $427.5M | 1.3% | $37.76 | +45.39% | 11 qtrssince 2018-Q4 | Decreased 0 |
MercadoLibre Inc | 269,527 | $419.9M | 1.3% | $753.56 | +106.72% | 9 qtrssince 2019-Q2 | Decreased 0 |
Horizon Pharma Plc | 4.4M | $411.4M | 1.3% | — | — | 9 qtrssince 2019-Q2 | Increased 52 |
Sea Ltd | 1.5M | $406.4M | 1.3% | $85.30 | +236.69% | 9 qtrssince 2019-Q2 | Increased 50 |
Brink's Co/The | 5.3M | $403.7M | 1.3% | $59.18 | +22.45% | 11 qtrssince 2018-Q4 | Decreased 0 |
Alphabet Inc | 158,841 | $387.9M | 1.2% | $55.40 | +118.29% | 11 qtrssince 2018-Q4 | Decreased 0 |
Canadian National Railway Co | 3.6M | $382.8M | 1.2% | $72.82 | +33.93% | 11 qtrssince 2018-Q4 | Decreased 0 |
Brooks Automation Inc | 3.8M | $363.2M | 1.1% | $34.84 | +176.36% | 6 qtrssince 2020-Q1 | Decreased 0 |
Charles River Laboratories Int | 978,478 | $362M | 1.1% | $279.38 | +33.03% | 4 qtrssince 2020-Q3 | Decreased 0 |
Builders FirstSource Inc | 8.4M | $359.4M | 1.1% | $38.37 | +10.94% | 4 qtrssince 2020-Q3 | Increased 68 |
Crown Holdings Inc | 3.4M | $347.7M | 1.1% | $62.91 | +53.48% | 10 qtrssince 2019-Q1 | Decreased 0 |
EURONET WORLDWIDE INC | 2.5M | $343.9M | 1.1% | $109.03 | +24.14% | 11 qtrssince 2018-Q4 | Increased 58 |
Axon Enterprise Inc | 1.9M | $340.6M | 1.1% | $95.69 | +81.99% | 4 qtrssince 2020-Q3 | Increased 52 |
Martin Marietta Materials Inc | 968,012 | $340.6M | 1.1% | $169.62 | +100.82% | 11 qtrssince 2018-Q4 | Decreased 0 |
Generac Holdings Inc | 813,574 | $337.8M | 1.1% | $110.96 | +269.88% | 7 qtrssince 2019-Q4 | Decreased 0 |
Dynatrace Inc | 5.7M | $333.7M | 1.0% | $51.04 | +14.45% | 2 qtrssince 2021-Q1 | Increased 64 |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC manages $31.9B across 465 positions as of Q2 2021. Top holdings: TSM (4.1%), SPY (1.7%), MSFT (1.7%). Fund DNA: Steady Compounder. HoldingsIntel Score: 3/5.0.
Active quarter - 114 new positions, 16 exits, 101 increased. Top move: BLDR (INCREASED, conviction 68). Portfolio: $31.9B across 465 positions.
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Portfolio allocation by GICS sector
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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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