ACM RESEARCH INC-CLASS A ACMR

US Industrials Special Industry Machinery, NEC
$97.77
-16.6%
52w: $23.92 – $126.89

Latest 13F among current holders filed 32 days ago (Jun 3, 2026)

Price — last 12 months

research preview data
23.9275.40126.89
Jun 20, 2025 Jul 2, 2026
Institutional holders
300
+22 QoQ
13F value
$1.74B
-2.3% QoQ
Smart-money holders
20
signal tier ≥ 2
New smart buyers
8
Q1 2026
Options barometer
2.5×
$100.0M calls / $39.7M puts

Institutional value by quarter

$1.07B
Q1 2024
$793.3M
Q2 2024
$659.6M
Q3 2024
$539.4M
Q4 2024
$838.4M
Q1 2025
$972.3M
Q2 2025
$1.64B
Q3 2025
$1.79B
Q4 2025
$1.74B
Q1 2026

Number of holders

201
Q1 2024
201
Q2 2024
185
Q3 2024
183
Q4 2024
245
Q1 2025
244
Q2 2025
259
Q3 2025
278
Q4 2025
300
Q1 2026

Who owns ACMR?

Q1 2026 filings
FundTypeSharesValue% of fundChange
BlackRock, Inc. Index provider8.0M$314.2M0.0%+1.2%
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical2.3M$89.1M0.0%
VANGUARD PORTFOLIO MANAGEMENT LLC Diversified mechanical2.2M$86.7M0.0%
STATE STREET CORP Index provider2.0M$78.9M0.0%+2.5%
WCM INVESTMENT MANAGEMENT, LLC Other1.9M$70.6M0.2%+16878.8%
GEODE CAPITAL MANAGEMENT, LLC Index provider1.4M$54.0M0.0%+2.1%
MORGAN STANLEY Bank broker1.2M$46.9M0.0%-14.3%
JANUS HENDERSON GROUP PLC Diversified mechanical1.1M$42.7M0.0%+0.2%
Value Aligned Research Advisors, LLC ★2Fundamental concentrated955.9K$37.6M0.4%New
Polunin Capital Partners Ltd ★3Fundamental concentrated763.3K$31.8M8.3%New
Invesco Ltd. Index provider787.1K$31.0M0.0%-41.4%
SOUTHEASTERN ASSET MANAGEMENT INC/TN/ ★3Fundamental concentrated782.9K$30.8M1.5%-53.4%
Qube Research & Technologies Ltd Quant stat arb724.4K$28.5M0.0%+396.0%
DIMENSIONAL FUND ADVISORS LP Quant stat arb719.0K$28.3M0.0%+207.6%
Tekne Capital Management, LLC ★2Fundamental diversified715.0K$28.1M11.9%Held
Longaeva Partners L.P. ★2Fundamental diversified708.4K$27.9M1.3%New
FMR LLC Long only active629.2K$24.8M0.0%-21.7%
CITIGROUP INC Bank broker619.9K$24.4M0.0%+1316.8%
WEXFORD CAPITAL LP Quant stat arb599.2K$23.6M3.9%+78.9%
Cederberg Capital Ltd ★3Fundamental concentrated599.2K$23.6M12.7%-13.6%
Oxbow Capital Management (HK) Ltd ★2Fundamental concentrated596.7K$23.5M6.3%New
NORTHERN TRUST CORP Index provider562.5K$22.1M0.0%+3.4%
GOLDMAN SACHS GROUP INC Bank broker552.3K$21.7M0.0%+52.7%
LSV ASSET MANAGEMENT Other545.3K$21.5M0.0%-77.1%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Index provider481.2K$18.9M0.0%+0.6%
Mitsubishi UFJ Trust & Banking Corp Diversified mechanical465.8K$18.3M0.0%-43.8%
UBS Group AG Bank broker404.1K$15.9M0.0%-20.8%
BANK OF AMERICA CORP /DE/ Bank broker402.4K$15.8M0.0%+33.4%
Penn Capital Management Company, LLC Other397.8K$15.7M1.2%-8.7%
FIRST TRUST ADVISORS LP Index provider374.0K$14.7M0.0%+73.7%
Raiffeisen Bank International AG Other380.0K$14.4M0.2%-12.6%
VANGUARD FIDUCIARY TRUST CO Diversified mechanical341.4K$13.4M0.0%
PRINCIPAL FINANCIAL GROUP INC Diversified mechanical340.7K$13.4M0.0%-11.1%
CONGRESS ASSET MANAGEMENT CO Other339.9K$13.4M0.1%+17.4%
AQR CAPITAL MANAGEMENT LLC Quant stat arb323.4K$12.7M0.0%-5.9%
Bank of New York Mellon Corp Diversified mechanical314.6K$12.4M0.0%-3.2%
Tidal Investments LLC Diversified mechanical313.8K$12.3M0.0%+73.4%
JPMORGAN CHASE & CO Bank broker297.6K$11.3M0.0%+49.8%
Oasis Management Co Ltd. ★2Fundamental diversified270.1K$10.6M1.4%+15.4%
NEW YORK STATE COMMON RETIREMENT FUND Diversified mechanical259.4K$10.2M0.0%-14.5%
JACOBS LEVY EQUITY MANAGEMENT, INC Other244.3K$9.6M0.0%New
Kerrisdale Advisers, LLC ★2Fundamental diversified223.8K$8.8M3.4%-15.1%
Steamboat Capital Partners, LLC ★2Fundamental diversified223.4K$8.8M2.2%-55.7%
PRICE T ROWE ASSOCIATES INC /MD/ Diversified mechanical217.0K$8.5M0.0%+358.2%
AMERIPRISE FINANCIAL INC Bank broker212.2K$8.4M0.0%-32.2%
WELLS FARGO & COMPANY/MN Bank broker204.1K$8.0M0.0%+144.2%
CITADEL ADVISORS LLC Multistrat pod203.4K$8.0M0.0%+42.2%
Public Sector Pension Investment Board Pension sovereign190.6K$7.5M0.0%+3.4%
STOREBRAND ASSET MANAGEMENT AS Other180.0K$7.1M0.0%New
Russell Investments Group, Ltd. Diversified mechanical160.9K$6.3M0.0%-2.1%

Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.