WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in STM — STMicroelectronics N.V.
CIK 1644956
CHICAGO, IL
Position in STM
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$458,701
+$219,063 QoQ
Shares Held
6,125
-11.7% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#349
of 602 holders
Holding Since
Jun 2025
4 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in STM Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Jun 30, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $6,354,141,039 across 17 Semiconductors names. STM ranks #16 (0.0% 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 STM
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $458,701 | 6,125 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $239,638 | 6,936 | Shares | Sole | 2026-05-08 | |
| 2025-09-30 | $233,399 | 8,259 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $254,075 | 8,355 | Shares | Sole | 2025-07-29 | |
| No filing history on record for this holder in this stock. | ||||||