WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Institutional investor · Portfolio as of Q4 2022
Top Holdings401 positions
Microsoft Corp. | 3.2M | $771.1M | 2.9% | $204.98 | +13.55% | 17 qtrssince 2018-Q4 | Decreased 0 |
TAIWAN SEMICONDUCTOR MFG LTD | 9.8M | $727.4M | 2.8% | $40.65 | +73.54% | 17 qtrssince 2018-Q4 | Increased 58 |
| 1.3M | $431.1M | 1.6% | $280.18 | +72.65% | 17 qtrssince 2018-Q4 | Decreased 0 | |
MasterCard Incorporated | 1.2M | $425.8M | 1.6% | $270.61 | +25.64% | 17 qtrssince 2018-Q4 | Decreased 0 |
Alphabet Inc. | 4.6M | $403M | 1.5% | $83.09 | +5.18% | 17 qtrssince 2018-Q4 | Decreased 0 |
| 5.1M | $383.2M | 1.5% | — | — | — | Increased 55 | |
BWX TECHNOLOGIES INC | 6.2M | $362.9M | 1.4% | $38.17 | +47.22% | 17 qtrssince 2018-Q4 | Decreased 0 |
UnitedHealth Group Inc. | 655,836 | $347.7M | 1.3% | $317.01 | +55.25% | 17 qtrssince 2018-Q4 | Decreased 0 |
Amazon.com, Inc. | 4.1M | $344M | 1.3% | $115.62 | -27.35% | 17 qtrssince 2018-Q4 | Decreased 0 |
ICON PLC | 1.5M | $288.3M | 1.1% | $202.92 | -4.27% | 17 qtrssince 2018-Q4 | Decreased 0 |
BUILDERS FIRSTSOURCE INC | 4.4M | $284.9M | 1.1% | $38.50 | +68.54% | 10 qtrssince 2020-Q3 | Decreased 0 |
Axon Enterprise Inc | 1.7M | $282.9M | 1.1% | $95.68 | +73.42% | 10 qtrssince 2020-Q3 | Decreased 0 |
Mercadolibre Inc | 320,577 | $271.3M | 1.0% | $916.29 | -7.65% | 15 qtrssince 2019-Q2 | Decreased 0 |
PERFORMANCE FOOD GROUP CO COM | 4.6M | $269.8M | 1.0% | $48.03 | +21.56% | 9 qtrssince 2020-Q4 | Decreased 0 |
NATIONAL VISION HLDGS INC | 6.9M | $267.7M | 1.0% | $32.03 | +21.03% | 12 qtrssince 2020-Q1 | Decreased 0 |
TECHNIPFMC PLC | 21.8M | $266M | 1.0% | $8.07 | +48.20% | 3 qtrssince 2022-Q2 | Increased 51 |
Encompass Health Corporation | 4.4M | $264.6M | 1.0% | $44.18 | +31.55% | 17 qtrssince 2018-Q4 | Increased 50 |
Penumbra Inc. | 1.2M | $264.5M | 1.0% | $192.32 | +15.67% | 17 qtrssince 2018-Q4 | Increased 55 |
Merit Medical Systems Inc. | 3.7M | $263.4M | 1.0% | $50.45 | +39.98% | 13 qtrssince 2019-Q4 | Decreased 0 |
CHEMED CORP NEW | 501,592 | $256M | 1.0% | $466.10 | +8.35% | 6 qtrssince 2021-Q3 | Decreased 0 |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC manages $26.1B across 401 positions as of Q4 2022. Top holdings: MSFT (2.9%), TSM (2.8%), LIN (1.6%). Fund DNA: Balanced Allocator. HoldingsIntel Score: 3/5.0.
Active quarter - 32 new positions, 18 exits, 142 increased. Top move: TSM (INCREASED, conviction 58). Portfolio: $26.1B across 401 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