- Type / Class
- Equity / Common Stock
- Shares outstanding
- 59,904,855
- Total 13F shares
- 41,761,016
- Share change
- +4,249,815
- Total reported value
- $1,634,068,343
- Put/Call ratio
- 67%
- Price per share
- $39.13
- Number of holders
- 255
- Value change
- +$211,342,861
- Number of buys
- 139
- Number of sells
- 123
Quarterly Holders Quick Answers
What is CUSIP 00108J109?
CUSIP 00108J109 identifies ACMR - ACM Research, Inc. - Common Stock in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Related Filing Research
- Latest 13F filings for newly reported positions.
- Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
- Latest 10-Q/10-K reports for financial context tied to this issuer.
- Recent insider transactions for executive and insider activity.
- SEC investors directory and top value investors for manager drilldown.
- Back to full security ownership history.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 00108J109:
Top shareholders of ACMR - ACM Research, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
|
Company |
13%
|
7,420,308
|
$200,125,707 | +$96,872,680 | 30 Sep 2025 | |
| Shanghai Science & Technology Venture Capital (Group) Co., Ltd. |
3/4/5
|
Possible member of 10% group, 10%+ Owner |
—
class O/S missing
|
5,697,238
|
$120,382,639 | — | 04 Oct 2024 | |
| VANGUARD GROUP INC |
13F
|
Company |
7.2%
|
4,296,442
|
$111,277,847 | — | 30 Jun 2025 | |
| Mitsubishi UFJ Trust & Banking Corp |
13F
|
Company |
3.8%
|
2,302,351
|
$59,630,891 | — | 30 Jun 2025 | |
| Xiao Xing |
3/4/5
|
Director |
—
class O/S missing
|
2,338,510
|
$49,412,716 | — | 04 Oct 2024 | |
| Triata Capital Ltd |
13F
|
Company |
2.7%
|
1,590,225
|
$41,186,828 | — | 30 Jun 2025 | |
| FEDERATED HERMES, INC. |
13F
|
Company |
2.4%
|
1,421,688
|
$36,821,719 | — | 30 Jun 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.1%
|
1,254,699
|
$32,496,704 | — | 30 Jun 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.1%
|
1,238,031
|
$32,068,571 | — | 30 Jun 2025 | |
| SOUTHEASTERN ASSET MANAGEMENT INC/TN/ |
13F
|
Company |
2%
|
1,185,744
|
$30,710,770 | — | 30 Jun 2025 | |
| Pertento Partners LLP |
13F
|
Company |
1.7%
|
1,024,632
|
$26,537,969 | — | 30 Jun 2025 | |
| Broad Bay Capital Management, LP |
13F
|
Company |
1.6%
|
978,653
|
$25,347,113 | — | 30 Jun 2025 | |
| Yinan Xiang |
3/4/5
|
Director |
—
class O/S missing
|
1,146,170
|
$25,215,740 | — | 23 Aug 2021 | |
| Invesco Ltd. |
13F
|
Company |
1.4%
|
825,989
|
$21,393,115 | — | 30 Jun 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.3%
|
773,472
|
$20,032,925 | — | 30 Jun 2025 | |
| Nuveen, LLC |
13F
|
Company |
1.2%
|
714,311
|
$18,500,655 | — | 30 Jun 2025 | |
| Steamboat Capital Partners, LLC |
13F
|
Company |
0.97%
|
579,975
|
$15,021,353 | — | 30 Jun 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.94%
|
563,027
|
$14,582,400 | — | 30 Jun 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.92%
|
551,780
|
$14,291,118 | — | 30 Jun 2025 | |
| Yiheng Capital Management, L.P. |
13D/G
13F
|
Yiheng Capital Partners, L.P. · Company |
1.2%
|
666,304
|
$14,145,634 | $0 | 30 Sep 2024 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.9%
|
541,737
|
$14,030,989 | — | 30 Jun 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.87%
|
518,349
|
$13,425,239 | — | 30 Jun 2025 | |
| LSV ASSET MANAGEMENT |
13F
|
Company |
0.74%
|
444,900
|
$11,523,000 | — | 30 Jun 2025 | |
| Raiffeisen Bank International AG |
13F
|
Company |
0.73%
|
435,000
|
$11,331,750 | — | 30 Jun 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.69%
|
413,371
|
$10,706,309 | — | 30 Jun 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.69%
|
410,584
|
$10,634,126 | — | 30 Jun 2025 | |
| UBS Group AG |
13F
|
Company |
0.65%
|
387,410
|
$10,033,919 | — | 30 Jun 2025 | |
| Oasis Management Co Ltd. |
13F
|
Company |
0.63%
|
376,761
|
$9,758,110 | — | 30 Jun 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.61%
|
365,291
|
$9,461,037 | — | 30 Jun 2025 | |
| Jian Wang |
3/4/5
|
Chief Executive Officer and President of ACM Research (Shanghai), Inc., a subsidiary of the Issuer |
0.42%
|
253,158
|
$8,860,530 | -$2,910,000 | 18 Sep 2025 | |
| Kerrisdale Advisers, LLC |
13F
|
Company |
0.48%
|
286,497
|
$7,420,272 | — | 30 Jun 2025 | |
| OSTERWEIS CAPITAL MANAGEMENT INC |
13F
|
Company |
0.44%
|
266,426
|
$6,900,433 | — | 30 Jun 2025 | |
| Ruffer LLP |
13F
|
Company |
0.44%
|
264,706
|
$6,855,443 | — | 30 Jun 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.43%
|
260,020
|
$6,734,518 | — | 30 Jun 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0.42%
|
252,270
|
$6,533,780 | — | 30 Jun 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.42%
|
250,374
|
$6,484,687 | — | 30 Jun 2025 | |
| OBERWEIS ASSET MANAGEMENT INC/ |
13F
|
Company |
0.41%
|
246,960
|
$6,396,264 | — | 30 Jun 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.4%
|
242,078
|
$6,269,821 | — | 30 Jun 2025 | |
| TUDOR INVESTMENT CORP ET AL |
13F
|
Company |
0.4%
|
240,742
|
$6,235,218 | — | 30 Jun 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.4%
|
238,750
|
$6,183,625 | — | 30 Jun 2025 | |
| CITIGROUP INC |
13F
|
Company |
0.4%
|
238,017
|
$6,164,641 | — | 30 Jun 2025 | |
| ALGERT GLOBAL LLC |
13F
|
Company |
0.39%
|
236,562
|
$6,127,000 | — | 30 Jun 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.39%
|
234,207
|
$6,065,962 | — | 30 Jun 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.37%
|
224,144
|
$5,805,322 | — | 30 Jun 2025 | |
| MATTHEWS INTERNATIONAL CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.37%
|
221,295
|
$5,731,541 | — | 30 Jun 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.34%
|
205,708
|
$5,327,000 | — | 30 Jun 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.34%
|
204,024
|
$5,284,221 | — | 30 Jun 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.33%
|
198,610
|
$5,143,999 | — | 30 Jun 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.33%
|
197,249
|
$5,108,756 | — | 30 Jun 2025 | |
| CONGRESS ASSET MANAGEMENT CO |
13F
|
Company |
0.33%
|
197,176
|
$5,106,858 | — | 30 Jun 2025 |
Institutional Holders of ACM Research, Inc. - Common Stock (ACMR) as of Q3 2025
As of 30 Sep 2025,
ACM Research, Inc. - Common Stock (ACMR) was held by
255 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
41,761,016 shares.
The largest 10 holders included
BlackRock, Inc., VANGUARD GROUP INC, LSV ASSET MANAGEMENT, Triata Capital Ltd, STATE STREET CORP, SOUTHEASTERN ASSET MANAGEMENT INC/TN/, Mitsubishi UFJ Trust & Banking Corp, GEODE CAPITAL MANAGEMENT, LLC, FEDERATED HERMES, INC., and Broad Bay Capital Management, LP.
This page lists
255
institutional shareholders reporting positions in this security
for the Q3 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
239
Q3 2025 holders
255
Holder diff
16
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 Value $ | Q3 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.