Acm Research Inc. (ACMR)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Vanguard Group Inc	4,057,397	$79,281,537	0%
2.	Blackrock Inc.	3,725,525	$72,796,759	0%
3.	Bank Of America Corp	1,955,612	$38,212,659	0%
4.	Citigroup Inc	1,736,596	$33,933,086	0.02%
5.	State Street Corp	1,044,631	$20,412,090	0%