WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Top Portfolio Positions
404 positions ·
$30,335,994,855 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 | 6.15% | |
| NVDA |
Nvidia Corp
Technology
|
8,941,756 | $1,559,442,246 | 5.14% | |
| AAPL |
Apple Inc.
Technology
|
4,812,433 | $1,221,347,371 | 4.03% | |
| MSFT |
Microsoft Corp
Technology
|
2,896,782 | $1,072,301,792 | 3.53% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
2,504,605 | $720,224,213 | 2.37% | |
| AVGO |
Broadcom Inc.
Technology
|
2,201,558 | $681,404,216 | 2.25% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
3,163,629 | $658,889,011 | 2.17% | |
| META |
Meta Platforms, Inc.
Communication Services
|
1,013,122 | $579,637,489 | 1.91% | |
| MA |
Mastercard Inc
Financial Services
|
1,060,651 | $529,964,878 | 1.75% | |
| AZN |
Astrazeneca PLC
Healthcare
|
1,942,155 | $383,031,809 | 1.26% |
Portfolio Trend
25 quarters · across all stocks
Holdings in TREX
Shares Held
Position Value (USD)
19 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $23,570,222 | 647,178 | Shares | Sole | 2026-05-08 | |
| 2024-06-30 | $143,621,879 | 1,937,694 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $195,227,408 | 1,957,167 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $166,685,660 | 2,013,355 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $130,581,520 | 2,118,798 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $170,796,715 | 2,605,197 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $127,076,542 | 2,610,983 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $121,241,628 | 2,864,201 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $131,847,506 | 3,000,626 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $164,036,736 | 3,014,273 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $203,365,365 | 3,112,894 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $416,405,649 | 3,083,801 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $321,432,993 | 3,153,468 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $320,340,040 | 3,134,136 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $290,890,685 | 3,177,744 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $265,344,595 | 3,169,429 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $274,852,853 | 3,838,727 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $131,752,780 | 2,025,875 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $123,890,108 | 3,091,842 | Shares | Sole | 2020-05-08 | |
| No 13F history on record for this holder in this stock. | ||||||