WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Top Portfolio Positions
404 positions ·
$30,195,876,293 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| TSM |
Taiwan Semiconductor Manufacturing Co Ltd
Technology
|
5,518,260 | $1,864,895,967 | 6.18% | |
| NVDA |
Nvidia Corp
Technology
|
8,941,756 | $1,559,442,246 | 5.16% | |
| AAPL |
Apple Inc.
Technology
|
4,812,433 | $1,221,347,371 | 4.04% | |
| MSFT |
Microsoft Corp
Technology
|
2,896,782 | $1,072,301,792 | 3.55% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
2,504,605 | $720,224,213 | 2.39% | |
| AVGO |
Broadcom Inc.
Technology
|
2,201,558 | $681,404,216 | 2.26% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
3,163,629 | $658,889,011 | 2.18% | |
| META |
Meta Platforms, Inc.
Communication Services
|
1,013,122 | $579,637,489 | 1.92% | |
| MA |
Mastercard Inc
Financial Services
|
1,060,651 | $529,964,878 | 1.76% | |
| AZN |
Astrazeneca PLC
Healthcare
|
1,942,155 | $383,031,809 | 1.27% |
Portfolio Trend
23 quarters · across all stocks
Holdings in TECH
Shares Held
Position Value (USD)
16 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2020-12-31 | $58,015,749 | 730,792 | Shares | Sole | 2021-02-09 | |
| 2021-03-31 | $78,910,270 | 826,437 | Shares | Sole | 2021-05-13 | |
| 2021-06-30 | $76,654,401 | 680,979 | Shares | Sole | 2021-08-12 | |
| 2021-09-30 | $79,208,296 | 653,844 | Shares | Sole | 2021-11-10 | |
| 2021-12-31 | $75,470,723 | 583,529 | Shares | Sole | 2022-02-14 | |
| 2022-03-31 | $51,531,110 | 475,994 | Shares | Sole | 2022-05-11 | |
| 2023-06-30 | $188,929,206 | 2,314,458 | Shares | Sole | 2023-08-11 | |
| 2023-09-30 | $157,532,290 | 2,314,269 | Shares | Sole | 2023-11-09 | |
| 2023-12-31 | $172,452,445 | 2,234,998 | Shares | Sole | 2024-02-09 | |
| 2024-03-31 | $152,902,917 | 2,172,225 | Shares | Sole | 2024-05-08 | |
| 2024-06-30 | $81,179,020 | 1,132,994 | Shares | Sole | 2024-08-08 | |
| 2024-09-30 | $88,741,083 | 1,110,235 | Shares | Sole | 2024-11-08 | |
| 2025-06-30 | $50,013,773 | 972,085 | Shares | Sole | 2025-07-29 | |
| 2025-09-30 | $95,108,497 | 1,709,662 | Shares | Sole | 2025-11-12 | |
| 2025-12-31 | $141,041,964 | 2,398,265 | Shares | Sole | 2026-02-09 | |
| 2026-03-31 | $128,689,570 | 2,462,487 | Shares | Sole | 2026-05-08 | |
| No 13F history on record for this holder in this stock. | ||||||