Security key
00108J109
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 7,259,073
- Total 13F value
- $586,489,643
- Share change
- +1,815,996
- Put/Call ratio
- 325%
- SEC-reported price per share
- $80.79
- Number of holders
- 92
- Value change
- +$146,266,911
- Number of buys
- 57
- Number of sells
- 52
- 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
Q1 2021
Institutions
92
Top holders
10
ACMR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2021
Previous quarter: Q4 2020
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
INDUS CAPITAL PARTNERS, LLC
Disclosed value leader
INDUS CAPITAL PARTNERS, LLC
Comparable rows
15/15
Latest evidence
31 Dec 2020
13F
Lead comparable stake: 1.3%
Showing 1-6 of 15 holder rows.
Quick read
INDUS CAPITAL PARTNERS, LLC leads the comparable SEC ownership view at 1.3%.
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 INDUS CAPITAL PARTNERS, LLC's linked filing trail.
Comparable ownership
Top 5
INDUS CAPITAL PARTNERS, LLC
1.3%
BlackRock Finance, Inc.
1.2%
VANGUARD GROUP INC
0.87%
DISCOVERY CAPITAL MANAGEMENT, LLC...
0.6%
GOLDMAN SACHS GROUP INC
0.39%
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 |
|---|---|---|---|---|---|
| INDUS CAPITAL PARTNERS, LLC |
13F
Company
|
1.3%
|
$64,447,000
793,199 shares
|
— | 31 Dec 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
1.2%
|
$59,793,000
735,918 shares
|
— | 31 Dec 2020 |
| VANGUARD GROUP INC |
13F
Company
|
0.87%
|
$42,165,000
518,950 shares
|
— | 31 Dec 2020 |
| DISCOVERY CAPITAL MANAGEMENT, LLC / CT |
13F
Company
|
0.6%
|
$29,088,000
358,002 shares
|
— | 31 Dec 2020 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
0.39%
|
$18,920,000
232,856 shares
|
— | 31 Dec 2020 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
0.38%
|
$18,408,000
226,563 shares
|
— | 31 Dec 2020 |
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 Q1 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
92
Shares
7,259,073
Rows available
92
| 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 Q1 2021 vs Q4 2020 Across Filers
Q4 2020 holders
91
Q1 2021 holders
92
Holder diff
1
| Investor | Q4 2020 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q4 2020 value | Q1 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend