HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
PensionPosition in ACMR — ACM Research, Inc.
CIK 1535845
TORONTO, A6
Position in ACMR
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$9,488,580
+$7,239,807 QoQ
Shares Held
74,778
+30.8% QoQ
Ownership
0.107%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#79
of 376 holders
Holding Since
Jun 2021
13 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, 2026HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $2,699,022,137 across 16 Semiconductor Equipment & Materials names. ACMR ranks #14 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | KLAC |
Kla Corp
|
3,176,787 | $958,468,405 | |
| 2 | AMAT |
Applied Materials Inc /De
|
1,030,429 | $745,000,167 | |
| 3 | LRCX |
Lam Research Corp
|
881,506 | $381,982,994 | |
| 4 | ASML |
Asml Holding NV
|
121,053 | $240,827,668 | |
| 5 | TER |
Teradyne, Inc
|
191,153 | $92,487,467 | |
| 6 | ENTG |
Entegris Inc
|
393,000 | $70,684,980 | |
| 7 | NVMI |
Nova Ltd.
|
86,875 | $47,167,912 | |
| 8 | AXTI |
Axt Inc
|
615,377 | $44,356,374 |
All Filings in ACMR
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $9,488,580 | 74,778 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $2,248,773 | 57,148 | Shares | Sole | 2026-05-14 | |
| 2023-12-31 | $2,071,240 | 106,000 | Shares | Sole | 2024-03-21 | |
| 2023-09-30 | $1,919,130 | 106,000 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $1,386,480 | 106,000 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $1,240,200 | 106,000 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $5,575,872 | 723,200 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $20,620,054 | 1,654,900 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $23,282,622 | 1,383,400 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $21,271,389 | 1,028,100 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $8,680,475 | 101,800 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $36,079,152 | 327,992 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $6,476,141 | 63,355 | Shares | Sole | 2021-08-12 | |
| No filing history on record for this holder in this stock. | ||||||