Security key
00108J109
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 1,679,926
- Total 13F value
- $18,592,328
- Share change
- -74,772
- SEC-reported price per share
- $11.07
- Number of holders
- 31
- Value change
- -$790,077
- Number of buys
- 16
- Number of sells
- 10
- Shares outstanding
- 59,904,855
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2018
Institutions
31
Top holders
10
ACMR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2018
Previous quarter: Q2 2018
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
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
15/15
Latest evidence
30 Jun 2018
13F
Lead comparable stake: 0.67%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 0.67%.
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 BlackRock Finance, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock Finance, Inc.
0.67%
AMERIPRISE FINANCIAL INC
0.53%
VANGUARD GROUP INC
0.27%
HERALD INVESTMENT MANAGEMENT Ltd
0.25%
STATE STREET CORP
0.19%
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 |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
0.67%
|
$4,335,000
402,100 shares
|
— | 30 Jun 2018 |
| AMERIPRISE FINANCIAL INC |
13F
Company
|
0.53%
|
$3,429,000
318,139 shares
|
— | 30 Jun 2018 |
| VANGUARD GROUP INC |
13F
Company
|
0.27%
|
$1,770,000
164,274 shares
|
— | 30 Jun 2018 |
| HERALD INVESTMENT MANAGEMENT Ltd |
13F
Company
|
0.25%
|
$1,617,000
150,000 shares
|
— | 30 Jun 2018 |
| STATE STREET CORP |
13F
Company
|
0.19%
|
$1,221,000
113,328 shares
|
— | 30 Jun 2018 |
| Russell Investments Group, Ltd. |
13F
Company
|
0.14%
|
$931,000
86,369 shares
|
— | 30 Jun 2018 |
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 2018
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
31
Shares
1,679,926
Rows available
31
| 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 2018 vs Q2 2018 Across Filers
Q2 2018 holders
34
Q3 2018 holders
31
Holder diff
-3
| Investor | Q2 2018 Shares | Q3 2018 Shares | Share Diff | Share Chg % | Q2 2018 value | Q3 2018 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend