WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Institutional investor · Portfolio as of Q1 2023
Top Holdings393 positions
Stock | Shares | Value | Weight | Avg Buy | Est. P&L | Held | Conviction |
|---|---|---|---|---|---|---|---|
TAIWAN SEMICONDUCTOR SPONSORED ADR /1 ADR REPS 5 ORD SHS/ | 11.2M | $1B | 3.6% | $47.16 | +88.10% | 18 qtrssince 2018-Q4 | Increased 67 |
MICROSOFT CORP | 3.4M | $969.6M | 3.4% | $209.76 | +32.58% | 18 qtrssince 2018-Q4 | Increased 61 |
ALPHABET INC-CL A | 5.1M | $533.9M | 1.9% | $96.51 | +3.75% | 18 qtrssince 2018-Q4 | Increased 56 |
MERCADOLIBRE INC | 366,157 | $482.6M | 1.7% | $955.53 | +32.58% | 16 qtrssince 2019-Q2 | Increased 56 |
LINDE PLC | 1.4M | $481.4M | 1.7% | $339.28 | 0.00% | 1 qtr | New 72 |
AMAZON.COM INC | 4.5M | $464.7M | 1.6% | $108.62 | -6.09% | 18 qtrssince 2018-Q4 | Increased 54 |
MASTERCARD INC - A | 1.3M | $455.2M | 1.6% | $274.84 | +28.45% | 18 qtrssince 2018-Q4 | Increased 50 |
| 5.4M | $415.8M | 1.4% | — | — | — | Increased 52 | |
BWX TECHNOLOGIES INC | 6.4M | $400.4M | 1.4% | $38.54 | +58.83% | 18 qtrssince 2018-Q4 | Increased 50 |
BUILDERS FIRSTSOURCE INC | 4.1M | $365.7M | 1.3% | $38.50 | +124.05% | 11 qtrssince 2020-Q3 | Decreased 0 |
UNITEDHEALTH GROUP INC | 735,477 | $347.6M | 1.2% | $336.18 | +32.84% | 18 qtrssince 2018-Q4 | Increased 55 |
AXON ENTERPRISE INC | 1.4M | $316.4M | 1.1% | $95.68 | +127.53% | 11 qtrssince 2020-Q3 | Decreased 0 |
CHEMED CORP | 560,741 | $301.5M | 1.1% | $472.01 | +10.62% | 7 qtrssince 2021-Q3 | Increased 54 |
ICON PLC | 1.3M | $287.8M | 1.0% | $204.65 | +3.04% | 18 qtrssince 2018-Q4 | Decreased 0 |
EURONET WORLDWIDE INC | 2.6M | $287.3M | 1.0% | $108.45 | +0.42% | 18 qtrssince 2018-Q4 | Increased 49 |
ENCOMPASS HEALTH CORP | 5.3M | $287.1M | 1.0% | $46.25 | +12.23% | 18 qtrssince 2018-Q4 | Increased 58 |
BRINK'S CO/THE | 4.3M | $286.7M | 1.0% | $58.89 | +9.34% | 18 qtrssince 2018-Q4 | Decreased 0 |
MERCURY SYS INC | 5.3M | $273.4M | 1.0% | $67.43 | -23.32% | 18 qtrssince 2018-Q4 | Increased 45 |
CAMECO CORP | 10.2M | $268M | 0.9% | $10.07 | +158.29% | 18 qtrssince 2018-Q4 | Decreased 0 |
PENUMBRA INC | 940,732 | $262.2M | 0.9% | $192.32 | +44.07% | 18 qtrssince 2018-Q4 | Decreased 0 |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC manages $28.7B across 393 positions as of Q1 2023. Top holdings: TSM (3.6%), MSFT (3.4%), GOOGL (1.9%). Fund DNA: Steady Compounder. HoldingsIntel Rating: 2.5/5.0.
Active quarter - 25 new positions, 33 exits, 253 increased. Top move: LIN (NEW, conviction 72). Portfolio: $28.7B across 393 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