WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Institutional investor · Portfolio as of Q4 2023
Top Holdings406 positions
Stock | Shares | Value | Weight | Avg Buy | Est. P&L | Held | Conviction |
|---|---|---|---|---|---|---|---|
MICROSOFT CORP | 3.9M | $1.5B | 4.3% | $226.54 | +63.56% | 21 qtrssince 2018-Q4 | Increased 60 |
TAIWAN SEMICONDUCTOR SPONSORED ADR /1 ADR REPS 5 ORD SHS/ | 11.2M | $1.2B | 3.4% | $49.26 | +105.38% | 21 qtrssince 2018-Q4 | Decreased 0 |
ALPHABET INC-CL A | 7M | $977.5M | 2.8% | $105.03 | +32.00% | 21 qtrssince 2018-Q4 | Increased 59 |
AMAZON.COM INC | 5.8M | $877.9M | 2.6% | $114.15 | +33.11% | 21 qtrssince 2018-Q4 | Increased 58 |
MERCADOLIBRE INC | 374,825 | $589.1M | 1.7% | $984.79 | +59.58% | 19 qtrssince 2019-Q2 | Decreased 0 |
MASTERCARD INC - A | 1.3M | $575.2M | 1.7% | $286.56 | +46.92% | 21 qtrssince 2018-Q4 | Increased 52 |
NVIDIA CORP | 1.1M | $537M | 1.6% | $42.00 | +17.82% | 11 qtrssince 2021-Q2 | Increased 55 |
LINDE PLC | 1.2M | $507.4M | 1.5% | $340.38 | +17.63% | 4 qtrssince 2023-Q1 | Decreased 0 |
CARLYLE GROUP INC | 11.1M | $451.6M | 1.3% | $29.70 | +28.48% | 5 qtrssince 2022-Q4 | Increased 60 |
UNITEDHEALTH GROUP INC | 804,782 | $423.7M | 1.2% | $361.53 | +39.93% | 21 qtrssince 2018-Q4 | Decreased 0 |
BWX TECHNOLOGIES INC | 4.6M | $355.6M | 1.0% | $37.71 | +100.08% | 21 qtrssince 2018-Q4 | Decreased 0 |
ENCOMPASS HEALTH CORP | 5.2M | $348.2M | 1.0% | $47.54 | +38.45% | 21 qtrssince 2018-Q4 | Decreased 0 |
PDD HOLDINGS INC | 2.3M | $336.5M | 1.0% | $146.31 | 0.00% | 1 qtr | New 60 |
CANADIAN PACIFIC RAILWAY LTD /CAD/ | 4.2M | $335.4M | 1.0% | $78.01 | +0.04% | 3 qtrssince 2023-Q2 | Decreased 0 |
ACCENTURE PLC-CL A | 951,930 | $334M | 1.0% | $250.43 | +33.22% | 21 qtrssince 2018-Q4 | Increased 46 |
SALESFORCE.COM INC | 1.3M | $329.1M | 1.0% | $195.95 | +32.68% | 21 qtrssince 2018-Q4 | Increased 45 |
ICON PLC | 1.1M | $323.9M | 0.9% | $211.58 | +33.79% | 21 qtrssince 2018-Q4 | Increased 48 |
INTUIT INC | 486,455 | $304M | 0.9% | $394.31 | +56.25% | 21 qtrssince 2018-Q4 | Increased 46 |
LIVE NATION ENTERTAINMENT IN | 3.2M | $303.7M | 0.9% | $64.61 | +44.86% | 21 qtrssince 2018-Q4 | Increased 52 |
MERIT MED SYS INC | 3.8M | $288M | 0.8% | $52.56 | +44.52% | 17 qtrssince 2019-Q4 | Decreased 0 |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC manages $34.4B across 406 positions as of Q4 2023. Top holdings: MSFT (4.3%), TSM (3.4%), GOOGL (2.8%). Fund DNA: Momentum Trader. HoldingsIntel Rating: 2/5.0.
Active quarter - 35 new positions, 27 exits, 127 increased. Top move: MSFT (INCREASED, conviction 60). Portfolio: $34.4B across 406 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