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.	1,180,484	$12,418,692	0%
2.	Vanguard Group Inc	914,607	$9,621,666	0%
3.	Heartland Advisors Inc	481,150	$5,061,698	0.28%
4.	Geode Capital Management, Llc	421,959	$4,439,841	0%
5.	Essex Investment Management Co Llc	189,715	$1,995,802	0.36%