ACM RESH INC

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ACMR·00108J109·US·Common Stock·Technology - Semiconductor Equipment & Materials-13D/G

ACMR (ACM RESH INC) is held by 138 institutional investors as of Q1 2026. Largest holders: BlackRock, Inc. ($314.2M), VANGUARD CAPITAL MANAGEMENT LLC ($89.1M), VANGUARD PORTFOLIO MANAGEMENT LLC ($86.7M). Net institutional sentiment: Mixed. In Q1 2026, 1 member of Congress and 79 funds bought ACMR.

138

Holders

(9 Elite)

$1.4B

Total Value

54% (145)

Consensus

79 buying - 66 selling

13F: Mar 31, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)

Insider (Form 4)

Activist (13D/13G)

Congressional (STOCK Act)

Holder Quality

★★★★★

Elite

★★★★

Strong

★★★

Solid

★★

Below

★

Weak

Held by 138 funds

9 elite

Who's Trading

InsiderPCPappis Charles CSell $260KApr 17, 2026

ActivistThe Vanguard Group0.0%Mar 26, 2026

InsiderWHWang David HSell $474KMar 12, 2026

InsiderWHWang David HSell $1.8MMar 12, 2026

InsiderWHWang David HSell $33KMar 12, 2026

InsiderMMMcKechnie MarkSell $535KMar 12, 2026

CongressDonald J. TrumpBuy $15,001 - $50,000Nov 28, 2025

CongressDonald J. TrumpSale $15,001 - $50,000Oct 16, 2025

CongressDonald J. TrumpBuy $15,001 - $50,000Oct 3, 2025

ActivistBlackRock, Inc.12.6%Oct 2, 2025

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Top Holders (138)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	8M(+1.2%)	$314.2M	0.0%	+285.28%	31
VAVANGUARD CAPITAL MANAGEMENT LLC	New	2.3M	$89.1M	0.0%	+99.84%	41
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	2.2M	$86.7M	0.0%	+99.84%	41
STATE STREET CORP	Increased	2M(+2.5%)	$78.9M	0.0%	+277.64%	30
WCM INVESTMENT MANAGEMENT, LLC	Increased	1.9M(+169x)	$70.6M	0.2%	+100.10%	57
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.4M(+2.1%)	$54M	0.0%	+410.96%	30
MORGAN STANLEY	Decreased	1.2M(-14.3%)	$46.9M	0.0%	+213.28%	0
Janus Henderson Group Ltd.	Increased	1.1M(+0.2%)	$42.7M	0.0%	+165.82%	29
VAValue Aligned Research Advisors, LLC	New	955,927	$37.6M	0.2%	+99.84%	48
Invesco Ltd.	Decreased	787,101(-41.4%)	$31M	0.0%	+172.92%	0
Qube Research & Technologies Ltd	Increased	724,405(+396.0%)	$28.5M	0.0%	+109.12%	46
DIMENSIONAL FUND ADVISORS LP	Increased	719,023(+207.6%)	$28.3M	0.0%	+115.24%	46
FMR LLC	Decreased	629,244(-21.7%)	$24.8M	0.0%	+188.52%	0
CITIGROUP INC	Increased	619,892(+1316.8%)	$24.4M	0.0%	+107.00%	46
NORTHERN TRUST CORP	Increased	562,535(+3.4%)	$22.1M	0.0%	+438.60%	29
GOLDMAN SACHS GROUP INC	Increased	552,304(+52.7%)	$21.7M	0.0%	+229.42%	40
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	481,219(+0.6%)	$18.9M	0.0%	+360.07%	28
Mitsubishi UFJ Trust & Banking Corp	Decreased	465,759(-43.8%)	$18.3M	0.0%	+446.30%	0
UBS Group AG	Decreased	404,109(-20.8%)	$15.9M	0.0%	+295.63%	0
BANK OF AMERICA CORP /DE/	Increased	402,412(+33.4%)	$15.8M	0.0%	+196.90%	36

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