Matrix Service Co (MTRX)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	3,214,696	$39,958,671	0%
2.	Needham Investment Management Llc	1,420,000	$17,650,600	1.65%
3.	Vanguard Group Inc	1,389,018	$17,265,494	0%
4.	First Wilshire Securities Management Inc	1,329,199	$16,521,944	4.74%
5.	Dimensional Fund Advisors Lp	946,924	$11,770,161	0%