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 TSM
Shares Held
Position Value (USD)
25 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,864,895,967 | 5,518,260 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $1,818,881,933 | 5,985,330 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $1,793,644,507 | 6,422,158 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $1,499,874,534 | 6,622,255 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $1,222,039,378 | 7,361,683 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $1,525,025,679 | 7,722,040 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $1,427,241,942 | 8,218,126 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $1,545,752,468 | 8,893,346 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $1,293,221,370 | 9,505,486 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $1,167,836,904 | 11,229,201 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $1,023,694,513 | 11,780,144 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $1,152,964,072 | 11,424,535 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $1,041,000,586 | 11,191,148 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $727,188,587 | 9,762,231 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $627,092,267 | 9,146,620 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $768,794,903 | 9,404,219 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $1,124,039,779 | 10,781,122 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $1,360,827,011 | 11,311,005 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $1,229,566,056 | 11,012,683 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $1,301,901,517 | 10,834,733 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $1,222,885,210 | 10,338,901 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $1,333,790,473 | 12,232,121 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $1,080,740,359 | 13,330,953 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $850,027,996 | 14,973,190 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $827,686,240 | 17,319,235 | Shares | Sole | 2020-05-08 | |
| No 13F history on record for this holder in this stock. | ||||||