CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition in ACMR — ACM Research, Inc.
CIK 1081019
WEST SACRAMENTO, CA
Position in ACMR
as of Jun 30, 2026
· filed Aug 24, 2026
Position Value
$7,575,586
+$5,091,382 QoQ
Shares Held
59,702
-5.4% QoQ
Ownership
0.086%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#87
of 376 holders
Holding Since
Sep 2021
20 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ACMR Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $2,608,639,777 across 24 Semiconductor Equipment & Materials names. ACMR ranks #11 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
1,203,586 | $870,192,678 | |
| 2 | LRCX |
Lam Research Corp
|
1,895,716 | $821,470,614 | |
| 3 | KLAC |
Kla Corp
|
1,985,721 | $599,111,882 | |
| 4 | TER |
Teradyne, Inc
|
238,919 | $115,598,568 | |
| 5 | Q |
Qnity Electronics, Inc.
|
314,249 | $51,320,004 | |
| 6 | ENTG |
Entegris Inc
|
226,491 | $40,736,671 | |
| 7 | ONTO |
Onto Innovation Inc.
|
57,731 | $21,848,296 | |
| 8 | FORM |
Formfactor Inc
|
90,452 | $14,465,988 |
All Filings in ACMR
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $7,575,586 | 59,702 | Shares | Sole | 2026-08-24 | |
| 2026-03-31 | $2,484,204 | 63,131 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $1,880,620 | 47,671 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,867,087 | 47,715 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $1,235,766 | 47,713 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $1,127,695 | 48,316 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $729,571 | 48,316 | Shares | Sole | 2025-03-18 | |
| 2024-09-30 | $933,394 | 45,980 | Shares | Sole | 2025-04-04 | |
| 2024-06-30 | $1,019,597 | 44,215 | Shares | Sole | 2025-04-08 | |
| 2024-03-31 | $1,315,350 | 45,139 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $926,762 | 47,429 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $894,205 | 49,390 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $744,173 | 56,894 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $655,656 | 56,039 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $437,974 | 56,806 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $699,629 | 56,150 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $961,851 | 57,151 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $705,384 | 34,093 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $954,937 | 11,199 | Shares | Sole | 2022-02-15 | |
| 2021-09-30 | $1,165,231 | 10,593 | Shares | Sole | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||