CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in ACLS — Axcelis Technologies Inc
CIK 884546
SAN FRANCISCO, CA
Position in ACLS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$41,492,178
+$6,849,972 QoQ
Shares Held
445,769
+3.4% QoQ
Ownership
1.45%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ACLS Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Mar 31, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $6,167,910,458 across 25 Semiconductor Equipment & Materials names. ACLS ranks #12 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
4,937,561 | $1,687,608,974 | |
| 2 | LRCX |
Lam Research Corp
|
7,767,896 | $1,659,688,659 | |
| 3 | KLAC |
Kla Corp
|
987,584 | $1,454,128,557 | |
| 4 | TER |
Teradyne, Inc
|
1,021,081 | $302,709,673 | |
| 5 | Q |
Qnity Electronics, Inc.
|
1,468,205 | $169,401,492 | |
| 6 | ENTG |
Entegris Inc
|
1,244,758 | $145,935,427 | |
| 7 | ONTO |
Onto Innovation Inc.
|
529,565 | $108,597,894 | |
| 8 | ASML |
Asml Holding NV
|
78,161 | $103,237,392 |
All Filings in ACLS
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $41,492,178 | 445,769 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $34,642,206 | 431,195 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $41,703,313 | 427,113 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $28,322,852 | 406,412 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $19,172,967 | 386,007 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $25,847,428 | 369,936 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $36,385,361 | 347,023 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $65,007,277 | 457,186 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $49,013,709 | 439,506 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $55,911,044 | 431,113 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $67,417,587 | 413,478 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $57,113,528 | 311,534 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $43,271,338 | 324,738 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $26,622,661 | 335,467 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $19,940,591 | 329,270 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $17,531,525 | 319,685 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $22,597,065 | 299,180 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $18,008,775 | 241,534 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $11,392,594 | 242,241 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $10,199,946 | 252,349 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $10,244,887 | 249,328 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $7,018,822 | 241,031 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $5,292,782 | 240,581 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $6,113,214 | 219,505 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $3,735,221 | 203,999 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||