WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in ASX — ASE Technology Holding Co., Ltd.
CIK 1644956
CHICAGO, IL
Position in ASX
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$6,951,728
New position
Shares Held
154,072
first reported quarter
Ownership
0.006%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#85
of 485 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority
Sole 100%
Shared 0%
None 0%
Position in Semiconductors
Technology · as of Jun 30, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $6,354,141,039 across 17 Semiconductors names. ASX ranks #15 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
4,936,408 | $2,357,480,368 | |
| 2 | NVDA |
Nvidia Corp
|
8,599,021 | $1,720,578,111 | |
| 3 | AVGO |
Broadcom Inc.
|
2,056,135 | $776,704,996 | |
| 4 | AMD |
Advanced Micro Devices Inc
|
763,517 | $443,534,660 | |
| 5 | POWI |
Power Integrations Inc
|
2,382,007 | $199,516,906 | |
| 6 | DIOD |
Diodes Inc /Del/
|
1,682,686 | $184,153,155 | |
| 7 | LSCC |
Lattice Semiconductor Corp
|
1,160,417 | $177,497,384 | |
| 8 | SYNA |
SYNAPTICS Inc
|
1,239,622 | $153,998,241 |
All Filings in ASX
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $6,951,728 | 154,072 | Shares | Sole | 2026-08-12 | |
| No filing history on record for this holder in this stock. | ||||||