PRICE T ROWE ASSOCIATES INC /MD/
Position in ACLS — Axcelis Technologies Inc
CIK 80255
BALTIMORE, MD
Position in ACLS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$33,713,762
+$2,939,044 QoQ
Shares Held
362,202
-5.4% QoQ
Ownership
1.18%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
20 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, 2026PRICE T ROWE ASSOCIATES INC /MD/ holds $12,130,013,570 across 24 Semiconductor Equipment & Materials names. ACLS ranks #14 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LRCX |
Lam Research Corp
|
13,239,357 | $2,828,721,016 | |
| 2 | KLAC |
Kla Corp
|
1,680,572 | $2,474,491,018 | |
| 3 | AMAT |
Applied Materials Inc /De
|
6,062,925 | $2,072,247,135 | |
| 4 | ASML |
Asml Holding NV
|
1,537,832 | $2,031,214,640 | |
| 5 | ENTG |
Entegris Inc
|
11,618,818 | $1,362,190,222 | |
| 6 | TER |
Teradyne, Inc
|
2,118,808 | $628,141,818 | |
| 7 | Q |
Qnity Electronics, Inc.
|
1,812,899 | $209,172,286 | |
| 8 | ONTO |
Onto Innovation Inc.
|
605,783 | $124,227,918 |
All Filings in ACLS
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $33,713,762 | 362,202 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $30,774,718 | 383,056 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $51,955,024 | 532,108 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $36,875,974 | 529,143 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $26,147,379 | 526,422 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $36,637,661 | 524,369 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $55,240,850 | 526,856 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $75,521,374 | 531,130 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $51,649,148 | 463,138 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $60,114,427 | 463,524 | Shares | Sole | 2024-02-16 | |
| 2023-09-30 | $71,574,872 | 438,975 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $89,774,134 | 489,686 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $68,680,647 | 515,427 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $41,120,462 | 518,151 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $27,863,413 | 460,096 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $25,039,066 | 456,584 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $28,050,406 | 371,381 | Shares | Sole | 2022-05-16 | |
| 2020-09-30 | $308,704 | 14,032 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $585,741 | 21,032 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $513,668 | 28,054 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||