WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Institutional investor · Portfolio as of Q1 2025
Top Holdings423 positions
Stock | Shares | Value | Weight | Avg Buy | Est. P&L | Held | Conviction |
|---|---|---|---|---|---|---|---|
MICROSOFT CORP | 4.1M | $1.5B | 4.3% | $254.17 | +48.24% | 26 qtrssince 2018-Q4 | Decreased 0 |
NVIDIA CORP | 12.2M | $1.3B | 3.7% | $117.00 | -6.29% | 16 qtrssince 2021-Q2 | Decreased 0 |
TAIWAN SEMICONDUCTOR SPONSORED ADR /1 ADR REPS 5 ORD SHS/ | 7.4M | $1.2B | 3.4% | $49.26 | +232.27% | 26 qtrssince 2018-Q4 | Decreased 0 |
AMAZON.COM INC | 6.1M | $1.2B | 3.3% | $125.35 | +53.75% | 26 qtrssince 2018-Q4 | Decreased 0 |
APPLE INC | 5.2M | $1.2B | 3.3% | $215.64 | +2.38% | 4 qtrssince 2024-Q2 | Increased 60 |
META PLATFORMS INC-CLASS A | 1.6M | $906.2M | 2.5% | $531.18 | +8.33% | 26 qtrssince 2018-Q4 | Decreased 0 |
MASTERCARD INC - A | 1.2M | $666.1M | 1.9% | $305.92 | +75.70% | 26 qtrssince 2018-Q4 | Decreased 0 |
CARLYLE GROUP INC | 12.2M | $530.6M | 1.5% | $33.04 | +27.22% | 10 qtrssince 2022-Q4 | Decreased 0 |
BROADCOM INC | 3.1M | $515.5M | 1.4% | $174.92 | -5.20% | 4 qtrssince 2024-Q2 | Increased 80 |
MERCADOLIBRE INC | 255,567 | $498.6M | 1.4% | $1,011.82 | +102.42% | 24 qtrssince 2019-Q2 | Decreased 0 |
SEA LTD-ADR | 3.7M | $479.9M | 1.3% | $110.55 | +18.20% | 3 qtrssince 2024-Q3 | Increased 72 |
PRIMO BRANDS CORP | 11.4M | $404.7M | 1.1% | $30.15 | +15.46% | 2 qtrssince 2024-Q4 | Increased 50 |
COPART INC | 6.8M | $385M | 1.1% | $43.87 | +25.71% | 26 qtrssince 2018-Q4 | Increased 50 |
O'REILLY AUTOMOTIVE INC | 258,834 | $370.8M | 1.0% | $64.96 | +44.55% | 10 qtrssince 2022-Q4 | Increased 54 |
INTUIT INC | 575,615 | $353.4M | 1.0% | $448.27 | +32.70% | 26 qtrssince 2018-Q4 | Decreased 0 |
CHIPOTLE MEXICAN GRILL INC | 6.8M | $341.5M | 1.0% | $60.23 | -17.14% | 15 qtrssince 2021-Q3 | Increased 48 |
COSTCO WHOLESALE CORP | 353,579 | $334.4M | 0.9% | $454.73 | +106.22% | 26 qtrssince 2018-Q4 | Increased 46 |
UNITEDHEALTH GROUP INC | 625,021 | $327.4M | 0.9% | $390.70 | +29.46% | 26 qtrssince 2018-Q4 | Decreased 0 |
LINDE PLC | 690,814 | $321.7M | 0.9% | $352.87 | +28.81% | 9 qtrssince 2023-Q1 | Decreased 0 |
STRIDE INC | 2.3M | $293.4M | 0.8% | $70.57 | +78.84% | 5 qtrssince 2024-Q1 | Decreased 0 |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC manages $35.6B across 423 positions as of Q1 2025. Top holdings: MSFT (4.3%), NVDA (3.7%), TSM (3.4%). Fund DNA: Steady Compounder. HoldingsIntel Rating: 2.5/5.0.
Active quarter - 36 new positions, 46 exits, 114 increased. Top move: AVGO (INCREASED, conviction 80). Portfolio: $35.6B across 423 positions.
Top holdings by portfolio weight
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Position Outcomes
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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