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 ONB
Shares Held
Position Value (USD)
14 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $86,075,035 | 3,894,798 | Shares | Sole | 2026-05-08 | |
| 2025-06-30 | $111,491,939 | 5,224,552 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $124,865,740 | 5,892,673 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $119,263,667 | 5,493,490 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $37,672,897 | 2,018,912 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $35,770,722 | 2,080,903 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $36,299,101 | 2,084,957 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $35,253,855 | 2,087,262 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $31,077,170 | 2,137,357 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $31,974,610 | 2,293,731 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $32,460,789 | 2,251,095 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $40,361,593 | 2,244,805 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $38,365,580 | 2,329,422 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $35,089,748 | 2,372,532 | Shares | Sole | 2022-08-10 | |
| No 13F history on record for this holder in this stock. | ||||||