Perma Fix Environmental Services Inc (PESI)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	1,092,522	$7,942,636	0%
2.	Heartland Advisors Inc	455,400	$3,310,758	0.19%
3.	Essex Investment Management Co Llc	191,087	$1,389,202	0.29%
4.	Legato Capital Management Llc	56,598	$411,467	0.06%
5.	Bank Of New York Mellon Corp	33,883	$246,327	0%