ACM RESEARCH INC-CLASS A (ACMR) Institutional Ownership and Insiders Activity
ACM RESEARCH INC-CLASS A (ACMR) is widely held by institutional investors, with 367 firms reporting positions valued at approximately $6.00B based on SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is the largest disclosed holder, reporting approximately $1.10B in ACMR holdings in its latest filing.
Recent insider activity includes 20 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.
Institutional Holders
367
Total Reported Value
$6.00B
Largest Holder
Blackrock, Inc.
Largest Position
$1.10B
Insider Transactions (90d)
20
Latest Filing Quarter
Q3 2026
New Institutional Positions
1
Funds Exiting Positions
360
Top Institutional Owners
View all- Blackrock, Inc.$1.10B
- Vanguard Portfolio Management Llc$425.01M
- Vanguard Capital Management Llc$312.50M
- Capital World Investors$304.29M
- State Street Corp$277.67M
ACMR News
All news- Oasis Management Co Ltd Q2 2026 Portfolio Highlights: Strategic Shifts in Tech and Consumer Sectors
Aug 19, 2026 · valut.ai
- Rpg Family Wealth Advisory Llc Portfolio Shifts in Q1 2026: Focus on Tech, Fixed Income Adjustments
Aug 7, 2026 · valut.ai
- Matthews International Capital Management Q2 2026 Portfolio Activity: Significant Buys & Sells
Aug 3, 2026 · valut.ai
- Polunin Capital Partners Q2 2026 Portfolio Update: Key Purchases and Sales
Jul 16, 2026 · valut.ai
Related ACMR Institutional Insights:
- ACMR 13F Institutional Holders
- ACMR Top Institutional Shareholders
- ACMR Institutional Ownership Changes
- Technology Sector Institutional Ownership
- Technology Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Technology Stocks By Institutional Investors
- Most Sold Technology Stocks By Institutional Investors
- ACMR Insider Trading & SEC Form 4 Activity
- ACMR Articles
- Top Institutional Investor Stock Rankings