WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Institutional investor · Portfolio as of Q2 2020
Top Holdings341 positions
Taiwan Semiconductor Manufactu | 15M | $850.2M | 3.5% | $31.98 | +60.47% | 7 qtrssince 2018-Q4 | Decreased 0 |
SPDR S&P 500 ETF Trust | 2M | $602.4M | 2.5% | $231.05 | +22.60% | 7 qtrssince 2018-Q4 | Decreased 0 |
NetEase Inc | 1.1M | $466.4M | 1.9% | $44.75 | +70.18% | 7 qtrssince 2018-Q4 | Decreased 0 |
BWX TECHNOLOGIES INC | 7.6M | $430.6M | 1.8% | $37.51 | +40.72% | 7 qtrssince 2018-Q4 | Decreased 0 |
Amazon.com Inc | 154,063 | $425M | 1.7% | $86.42 | +59.62% | 7 qtrssince 2018-Q4 | Increased 58 |
Horizon Pharma Plc | 7.6M | $423.5M | 1.7% | — | — | 5 qtrssince 2019-Q2 | Decreased 0 |
Grand Canyon Education Inc | 4.1M | $371.5M | 1.5% | $93.34 | -3.01% | 7 qtrssince 2018-Q4 | Increased 49 |
MercadoLibre Inc | 349,196 | $344.2M | 1.4% | $753.06 | +30.90% | 5 qtrssince 2019-Q2 | Increased 76 |
TAL EDUCATION GROUP- ADR | 4.8M | $327.7M | 1.3% | $46.99 | +43.51% | 7 qtrssince 2018-Q4 | Decreased 0 |
Microsoft Corp | 1.5M | $304.2M | 1.2% | $118.69 | +62.67% | 7 qtrssince 2018-Q4 | Increased 59 |
Canadian National Railway Co | 3.4M | $302.6M | 1.2% | $66.44 | +18.00% | 7 qtrssince 2018-Q4 | Increased 53 |
Encompass Health Corp | 4.6M | $282.6M | 1.2% | $45.49 | +1.29% | 7 qtrssince 2018-Q4 | Increased 48 |
NICE LTD | 1.5M | $281.7M | 1.1% | $119.10 | +55.85% | 7 qtrssince 2018-Q4 | Increased 50 |
Pure Storage Inc | 16.2M | $281.2M | 1.1% | $17.08 | +1.44% | 7 qtrssince 2018-Q4 | Increased 49 |
Alphabet Inc | 195,358 | $277M | 1.1% | $55.32 | +26.96% | 7 qtrssince 2018-Q4 | Increased 56 |
Lululemon Athletica Inc | 882,672 | $275.4M | 1.1% | $183.39 | +60.50% | 7 qtrssince 2018-Q4 | Increased 50 |
BJ's Wholesale Club Holdings I | 7.1M | $266.3M | 1.1% | $25.86 | +46.47% | 5 qtrssince 2019-Q2 | Decreased 0 |
Trex Co Inc | 2M | $263.5M | 1.1% | $31.82 | +104.35% | 7 qtrssince 2018-Q4 | Decreased 0 |
Martin Marietta Materials Inc | 1.2M | $246.6M | 1.0% | $169.62 | +16.96% | 7 qtrssince 2018-Q4 | Increased 51 |
Zynga Inc | 25.8M | $245.9M | 1.0% | — | — | 5 qtrssince 2019-Q2 | Increased 49 |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC manages $24.6B across 341 positions as of Q2 2020. Top holdings: TSM (3.5%), SPY (2.5%), NTES (1.9%). Fund DNA: Steady Compounder. HoldingsIntel Score: 3/5.0.
Active quarter - 32 new positions, 30 exits, 137 increased. Top move: MELI (INCREASED, conviction 76). Portfolio: $24.6B across 341 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