EdgeMarketInstruments › ACMR

ACMR — ACM Research, Inc.

US Industrials Machinery equity mkt cap 10.3B
79.41 +1.13% today
USD · as of 2026-08-21

Price · 2024-08-26 → 2026-08-21

499 daily closes shown
52w low 25.61 · high 126.89

Anonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2017-11-03.

Performance

1 day+1.13%
1 week-1.26%
1 month-10.19%
3 months+10.92%
6 months+19.25%
Year to date+76.94%
1 year+215.62%
3 years+511.79%
5 years+185.75%

Technicals

RSI 1451.1
vs 50-day avg-12.41%
vs 200-day avg+29.87%
Volatility 1y88.8%
Max drawdown 1y-48.54%
Avg volume 30d1.0M
Daily bars held2,210
History from2017-11-03

Measured signals that fired on ACMR

datesignal measured base rate
2026-07-31Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group
2026-07-28Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-07-06Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-06-12Equal highs taken out
structure
-0.70% over 21 days · t = -8.28 · n = 68,636
statistically distinguishable from its control group
2026-05-26Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group
2026-05-20Breakout to a 52-week high
price
-1.00% over 21 days · t = -8.58 · n = 24,386
statistically distinguishable from its control group

Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →

Insider transactions (Form 4)

dateinsiderwhatshares pricevalue
2026-08-20McKechnie Mark
See Remarks
Open-market sale 10b5-1 plan30.4K77.452.4M
2026-08-20McKechnie Mark
See Remarks
Open-market sale 10b5-1 plan13.6K76.341.0M
2026-08-20McKechnie Mark
See Remarks
Open-market sale 10b5-1 plan11.2K77.89873.1K
2026-08-20McKechnie Mark
See Remarks
Option exercise 10b5-1 plan30.2K19.49588.6K
2026-08-20McKechnie Mark
See Remarks
Option exercise 10b5-1 plan25.0K13.89347.2K
2026-08-18Dun Haiping
Director
Open-market sale 10b5-1 plan3.4K81.31276.5K
2026-08-18Dun Haiping
Director
Open-market sale 10b5-1 plan1.2K80.2996.3K
2026-08-18Dun Haiping
Director
Open-market sale 10b5-1 plan40082.1732.9K
2026-08-18Dun Haiping
Director
Option exercise 10b5-1 plan5.0K5.6028.0K
2026-06-05Cheav Sotheara
See remarks
Open-market sale 10b5-1 plan2.4K81.73194.8K

Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →

Largest institutional holders

managervalueshares
BlackRock, Inc.314.2M8.0M
VANGUARD CAPITAL MANAGEMENT LLC89.1M2.3M
VANGUARD PORTFOLIO MANAGEMENT LLC86.7M2.2M
STATE STREET CORP78.9M2.0M
WCM INVESTMENT MANAGEMENT, LLC70.6M1.9M
GEODE CAPITAL MANAGEMENT, LLC54.0M1.4M
MORGAN STANLEY46.9M1.2M
JANUS HENDERSON GROUP PLC42.7M1.1M
Value Aligned Research Advisors, LLC37.6M955.9K
Invesco Ltd.31.0M787.1K

13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →

Short selling

Avg short volume, 90d53.8% of tape
Days observed61

This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →

Ask the AI about ACMR

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