Security key
00108J109
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 8,766,331
- Total 13F value
- $747,439,596
- Share change
- -214,336
- Put/Call ratio
- 210%
- SEC-reported price per share
- $85.27
- Number of holders
- 99
- Value change
- -$36,495,630
- Number of buys
- 60
- Number of sells
- 41
- Shares outstanding
- 59,904,855
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
Q4 2021
Institutions
99
Top holders
10
ACMR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2022
Previous quarter: Q3 2021
ACM Research, Inc. SEC filings
ACM Research, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 00108J109
Recent filing periods:
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
MORGAN STANLEY
Disclosed value leader
MORGAN STANLEY
Comparable rows
15/15
Latest evidence
30 Sep 2021
13F
Lead comparable stake: 2.4%
Showing 1-6 of 15 holder rows.
Quick read
MORGAN STANLEY leads the comparable SEC ownership view at 2.4%.
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 MORGAN STANLEY's linked filing trail.
Comparable ownership
Top 5
MORGAN STANLEY
2.4%
Yiheng Capital Management, L.P.
1.4%
VANGUARD GROUP INC
1%
Green Court Capital Management Ltd
0.95%
INDUS CAPITAL PARTNERS, LLC
0.88%
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 |
|---|---|---|---|---|---|
| MORGAN STANLEY |
13F
Company
|
2.4%
|
$157,030,000
1,427,550 shares
|
— | 30 Sep 2021 |
| Yiheng Capital Management, L.P. |
13F
Company
|
1.4%
|
$92,862,000
844,200 shares
|
— | 30 Sep 2021 |
| VANGUARD GROUP INC |
13F
Company
|
1%
|
$69,094,000
628,123 shares
|
— | 30 Sep 2021 |
| Green Court Capital Management Ltd |
13F
Company
|
0.95%
|
$62,438,000
567,617 shares
|
— | 30 Sep 2021 |
| INDUS CAPITAL PARTNERS, LLC |
13F
Company
|
0.88%
|
$58,086,000
528,059 shares
|
— | 30 Sep 2021 |
| Allianz Asset Management GmbH |
13F
Company
|
0.68%
|
$44,612,000
405,561 shares
|
— | 30 Sep 2021 |
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 Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
99
Shares
8,766,331
Rows available
99
| 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 Q4 2021 vs Q3 2021 Across Filers
Q3 2021 holders
94
Q4 2021 holders
99
Holder diff
5
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend