StockDriftsStockDriftsTop 50 William Blair Investment Management, Llc Holdings
| Stock | Company | % Port. | Shares | Value | Activity | Ownership | Avg. Cost | Date |
|---|---|---|---|---|---|---|---|---|
| TSM | TAIWAN SEMICONDUCTOR MANUFAC | 6.16% | 5.52M | $1.87B | -7.80%(-467.07K) | $45.24(+859.68%) | 2026-03-31 | |
| NVDA | NVIDIA CORPORATION | 5.15% | 8.94M | $1.56B | -15.87%(-1.69M) | $48.79(+299.36%) | 2026-03-31 | |
| AAPL | APPLE INC | 4.04% | 4.81M | $1.22B | -11.61%(-631.89K) | $202.54(+52.38%) | 2026-03-31 | |
| MSFT | MICROSOFT CORP | 3.54% | 2.90M | $1.07B | -17.00%(-593.52K) | $244.89(+59.45%) | 2026-03-31 | |
| GOOGL | ALPHABET INC | 2.38% | 2.50M | $720.2M | -20.61%(-650.37K) | $211.10(+70.49%) | 2026-03-31 | |
| AVGO | BROADCOM INC | 2.25% | 2.20M | $681.4M | -13.21%(-335.05K) | $196.58(+83.36%) | 2026-03-31 | |
| AMZN | AMAZON COM INC | 2.18% | 3.16M | $658.9M | -27.89%(-1.22M) | $116.69(+107.96%) | 2026-03-31 | |
| META | META PLATFORMS INC | 1.92% | 1.01M | $579.6M | -14.63%(-173.65K) | $505.45(+15.32%) | 2026-03-31 | |
| MA | MASTERCARD INCORPORATED | 1.75% | 1.06M | $530.0M | -2.24%(-24.30K) | $279.97(+92.66%) | 2026-03-31 | |
| AZN | ASTRAZENECA PLC | 1.25% | 1.94M | $377.3M | new | $189.95(+2.74%) | 2026-03-31 |
| Performance Metric | 3-Year Annualized | 3-Year Cumulative |
|---|---|---|
| Top 20 Holdings Weighted | +16.80% | +59.33% |
| Top 20 Holdings Unweighted | +9.18% | +30.15% |
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