$56.20
+2.10 (+3.89%)
Market Cap
$3.4B
Shares Outstanding
65,727,589
Institutional Holders
238
Total Inst. Value
$803.4M
% of Float Held
66.3%
QoQ Holder Change
+88
Institutional data as of Q1 2025
New Positions
95
Closed Positions
23
Increased
64
Decreased
59
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | BlackRock, Inc. | $98.3M | 4,212,456 |
| 2 | VANGUARD GROUP INC | $94.6M | 4,055,346 |
| 3 | OSTERWEIS CAPITAL MANAGEMENT INC | $48.9M | 209,561 |
| 4 | Mitsubishi UFJ Trust & Banking Corp | $38.6M | 1,653,235 |
| 5 | Triata Capital Ltd | $32.0M | 1,371,125 |
| 6 | Invesco Ltd. | $31.3M | 1,339,102 |
| 7 | STATE STREET CORP | $28.9M | 1,237,323 |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $28.4M | 1,216,665 |
| 9 | FEDERATED HERMES, INC. | $25.0M | 1,072,752 |
| 10 | Pertento Partners LLP | $23.9M | 1,024,632 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| Mitsubishi UFJ Trust & Banking Corp | +184K | $38.6M |
| Triata Capital Ltd | +344K | $32.0M |
| Invesco Ltd. | +206K | $31.3M |
| GEODE CAPITAL MANAGEMENT, LLC | +32K | $28.4M |
| FEDERATED HERMES, INC. | +1.1M | $25.0M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| Kerrisdale Advisers, LLC | -1.7M | $5.0M |
| UBS Group AG | -900K | $5.4M |
| BlackRock, Inc. | -691K | $98.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | -458K | $16.7M |
| Yiheng Capital Management, L.P. | -400K | $6.5M |
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Frequently Asked Questions
How many institutional investors hold ACMR?
As of Q1 2025, 238 institutional investors report holding ACMR (ACM Research, Inc.) in their 13F filings.
What percentage of ACM Research, Inc. is owned by institutions?
Institutional investors hold approximately 66.3% of ACM Research, Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most ACMR?
The largest institutional holder of ACMR is BlackRock, Inc. with $98.3M in shares.
Are institutions buying or selling ACMR?
This quarter, 95 institutions opened new positions in ACMR and 23 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.