WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in AMAT — Applied Materials Inc /De
CIK 1644956
CHICAGO, IL
Position in AMAT
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$11,942,142
+$2,905,346 QoQ
Shares Held
34,940
-0.6% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2023
10 quarters on record
Voting authority
Sole 65.881511161992.ToString("F0")%
Shared 0.ToString("F0")%
None 34.11848883800801.ToString("F0")%
Common Shares in AMAT Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Mar 31, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $274,102,357 across 6 Semiconductor Equipment & Materials names. AMAT ranks #5 (4.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ONTO |
Onto Innovation Inc.
|
964,213 | $197,731,159 | |
| 2 | KLIC |
Kulicke & Soffa Industries Inc
|
398,036 | $26,158,925 | |
| 3 | AEHR |
Aehr Test Systems
|
513,293 | $19,032,904 | |
| 4 | LRCX |
Lam Research Corp
|
79,447 | $16,974,646 | |
| 5 | AMAT |
Applied Materials Inc /De
This page
|
34,940 | $11,942,142 | |
| 6 | ASML |
Asml Holding NV
|
1,713 | $2,262,581 |
All Filings in AMAT
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10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $11,942,142 | 34,940 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $9,036,796 | 35,164 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $9,110,930 | 44,500 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $8,409,869 | 45,938 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $14,279,517 | 98,398 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $15,908,303 | 97,819 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $22,607,980 | 111,893 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $45,944,185 | 194,687 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $41,127,623 | 199,426 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $21,397,777 | 132,028 | Shares | Sole | 2024-02-09 | |
| No filing history on record for this holder in this stock. | ||||||