Ultra Clean Holdings Inc. (UCTT)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	6,958,217	$148,975,427	0%
2.	Vanguard Group Inc	4,847,408	$103,783,005	0%
3.	Schwab Charles Investment Management Inc	671,539	$14,377,650	0%
4.	Goodman Financial Corp	456,308	$9,769,830	2.11%
5.	Pinnacle Associates Ltd	334,310	$7,157,577	0.1%