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 COLD
Shares Held
Position Value (USD)
25 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $27,786,454 | 2,424,647 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $36,941,134 | 2,872,561 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $35,008,896 | 2,860,204 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $44,312,264 | 2,664,598 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $74,312,503 | 3,462,838 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $40,297,077 | 1,883,041 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $45,642,508 | 1,614,521 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $36,593,686 | 1,432,799 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $35,545,015 | 1,426,365 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $46,686,631 | 1,542,340 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $51,606,408 | 1,697,021 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $49,507,340 | 1,532,735 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $34,543,079 | 1,214,168 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $24,632,332 | 870,093 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $17,617,905 | 716,175 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $17,508,663 | 582,845 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $15,326,667 | 549,737 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $15,739,626 | 480,013 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $13,525,447 | 465,592 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $14,460,478 | 382,047 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $13,924,793 | 361,965 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $18,654,398 | 499,716 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $19,889,190 | 556,341 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $22,605,316 | 622,736 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $29,647,614 | 870,964 | Shares | Sole | 2020-05-08 | |
| No 13F history on record for this holder in this stock. | ||||||