William Blair Investment Management
$33.3B 13F equity value
459 Holdings
Quarter ended June 30, 2026
The latest 13F on file for William Blair Investment Management covers the quarter ended June 30, 2026. Institutional managers report holdings quarterly to the SEC, so each filing is a snapshot of positions held on that date.
Top Holdings
| Ticker | Company | Shares | Value | Weight |
|---|---|---|---|---|
| TSM | TAIWAN SEMICONDUCTOR MANUFAC | 4,936,408 | $2.4B | 7.1% |
| NVDA | NVIDIA CORPORATION | 8,599,021 | $1.7B | 5.2% |
| GOOGL | ALPHABET INC | 3,191,012 | $1.1B | 3.4% |
| AAPL | APPLE INC | 3,259,914 | $943M | 2.8% |
| AVGO | BROADCOM INC | 2,056,135 | $777M | 2.3% |
| MSFT | MICROSOFT CORP | 2,048,642 | $764M | 2.3% |
| META | META PLATFORMS INC | 950,115 | $535M | 1.6% |
| AMZN | AMAZON COM INC | 1,987,085 | $474M | 1.4% |
| MA | MASTERCARD INCORPORATED | 918,005 | $471M | 1.4% |
| AMD | ADVANCED MICRO DEVICES INC | 763,517 | $444M | 1.3% |
Track William Blair Investment Management's 13F portfolio: $33.3B in reported holdings, 459 positions. Top holdings and quarterly changes on SentiSense.
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