Security key
00108J109
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 34,915,788
- Total 13F value
- $435,076,889
- Share change
- -1,137,356
- Put/Call ratio
- 20%
- SEC-reported price per share
- $12.46
- Number of holders
- 113
- Value change
- -$23,398,496
- Number of buys
- 60
- Number of sells
- 41
- Shares outstanding
- 64,126,478
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2022
Institutions
113
Top holders
10
ACMR full security history
Ownership snapshot
Full 13F holder table
ACM Research, Inc. SEC filings
ACM Research, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of ACMR - ACM Research, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Yiheng Capital Management...
Disclosed value leader
Yiheng Capital Management...
Comparable rows
15/15
Latest evidence
30 Jun 2022
13F
Lead comparable stake: 8.2%
Showing 1-6 of 15 holder rows.
Quick read
Yiheng Capital Management, L.P. leads the comparable SEC ownership view at 8.2%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Yiheng Capital Management, L.P.'s linked filing trail.
Comparable ownership
Top 5
Yiheng Capital Management, L.P.
8.2%
MORGAN STANLEY
8.1%
BlackRock Finance, Inc.
4.8%
VANGUARD GROUP INC
3.4%
GOLDMAN SACHS GROUP INC
3.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Yiheng Capital Management, L.P. |
13F
Company
|
8.2%
|
$88,640,000
5,266,800 shares
|
— | 30 Jun 2022 |
| MORGAN STANLEY |
13F
Company
|
8.1%
|
$87,414,000
5,193,953 shares
|
— | 30 Jun 2022 |
| BlackRock Finance, Inc. |
13F
Company
|
4.8%
|
$52,137,000
3,097,751 shares
|
— | 30 Jun 2022 |
| VANGUARD GROUP INC |
13F
Company
|
3.4%
|
$36,673,000
2,179,066 shares
|
— | 30 Jun 2022 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
3.2%
|
$34,564,000
2,053,683 shares
|
— | 30 Jun 2022 |
| INDUS CAPITAL PARTNERS, LLC |
13F
Company
|
2.7%
|
$28,933,000
1,719,133 shares
|
— | 30 Jun 2022 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2022
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
113
Shares
34,915,788
Rows available
113
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2022 vs Q2 2022 Across Filers
Q2 2022 holders
98
Q3 2022 holders
113
Holder diff
15
| Investor | Q2 2022 Shares | Q3 2022 Shares | Share Diff | Share Chg % | Q2 2022 value | Q3 2022 value | Value change | Value Chg % |
|---|