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 CW
Shares Held
Position Value (USD)
12 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $158,066,837 | 232,069 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $153,163,202 | 277,837 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $168,361,350 | 310,092 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $176,963,558 | 362,222 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $153,943,211 | 485,212 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $132,625,565 | 373,730 | Shares | Sole | 2025-02-10 | |
| 2021-06-30 | $1,351,845 | 11,383 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $11,714,715 | 98,775 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $18,207,611 | 156,490 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $14,881,871 | 159,574 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $11,682,020 | 130,847 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $10,040,069 | 108,647 | Shares | Sole | 2020-05-08 | |
| No 13F history on record for this holder in this stock. | ||||||