Holdings
William Blair Investment Management, LLC
As of Jun 30, 2026, William Blair Investment Management, LLC reported 368 positions worth US$31.4B. Largest: Taiwan Semiconductor Manufacturing Co., Ltd., Nvidia Corporation and Alphabet Inc (google) Class C. What it bought and sold, with each filing.
| Company | Shares | Value as reported | Change | As of |
|---|---|---|---|---|
| Taiwan Semiconductor Manufacturing Co., Ltd. | 4.94M | US$2.36B | −582K | Jun 30, 2026 |
| Nvidia Corporation | 8.6M | US$1.72B | −343K | Jun 30, 2026 |
| Alphabet Inc (google) Class C | 3.19M | US$1.14B | +688K | Jun 30, 2026 |
| Apple Inc | 3.26M | US$943M | −1.55M | Jun 30, 2026 |
| Broadcom Inc. | 2.06M | US$777M | −145K | Jun 30, 2026 |
| Microsoft Corp. | 2.05M | US$764M | −848K | Jun 30, 2026 |
| Meta Platforms, Inc. | 950K | US$535M | −63,007 | Jun 30, 2026 |
| Amazon.com, Inc. | 1.99M | US$474M | −1.18M | Jun 30, 2026 |
| Mastercard Incorporated | 918K | US$471M | −143K | Jun 30, 2026 |
| Advanced Micro Devices Inc | 764K | US$444M | −279K | Jun 30, 2026 |