WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Institutional investor · Portfolio as of Q4 2021
Top Holdings427 positions
Stock | Shares | Value | Weight | Avg Buy | Est. P&L | Held | Conviction |
|---|---|---|---|---|---|---|---|
TAIWAN SEMICONDUCTOR SPONSORED ADR /1 ADR REPS 5 ORD SHS/ | 11.3M | $1.4B | 3.7% | $39.06 | +188.01% | 13 qtrssince 2018-Q4 | Increased 60 |
MICROSOFT CORP | 2.5M | $847.1M | 2.3% | $190.42 | +72.41% | 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% | $110.86 | +52.12% | 13 qtrssince 2018-Q4 | Increased 65 |
ALPHABET INC-CL A | 191,285 | $554.2M | 1.5% | $76.16 | +90.53% | 13 qtrssince 2018-Q4 | Increased 62 |
PURE STORAGE INC - CLASS A | 14.7M | $478.1M | 1.3% | $16.94 | +92.59% | 13 qtrssince 2018-Q4 | Decreased 0 |
MERCADOLIBRE INC | 346,884 | $467.7M | 1.3% | $910.57 | +48.97% | 11 qtrssince 2019-Q2 | Increased 57 |
CANADIAN NATL RAILWAY CO | 3.6M | $438.7M | 1.2% | $72.82 | +54.55% | 13 qtrssince 2018-Q4 | Decreased 0 |
TREX INC | 3.1M | $416.4M | 1.1% | $50.52 | +163.00% | 13 qtrssince 2018-Q4 | Decreased 0 |
CHARLES RIVER LABORATORIES | 1.1M | $405.5M | 1.1% | $291.36 | +29.01% | 6 qtrssince 2020-Q3 | Increased 56 |
NICE LTD - SPON ADR | 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 HOLDINGS 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% | $69.70 | +17.58% | 3 qtrssince 2021-Q2 | Increased 55 |
STATE STREET SPDR S&P 500 ETF TRUST CL USD INC | 714,950 | $339.6M | 0.9% | $231.03 | +94.96% | 13 qtrssince 2018-Q4 | Decreased 0 |
MASTERCARD INC - A | 940,013 | $337.8M | 0.9% | $257.49 | +36.74% | 13 qtrssince 2018-Q4 | Increased 50 |
BWX TECHNOLOGIES INC | 7M | $333.1M | 0.9% | $36.85 | +24.37% | 13 qtrssince 2018-Q4 | Decreased 0 |
BRINK'S CO/THE | 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: Momentum Trader. HoldingsIntel Rating: 2/5.0.
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