Perma Fix Environmental Services Inc (PESI)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Vanguard Group Inc	590,041	$4,637,722	0%
2.	Heartland Advisors Inc	500,000	$3,930,000	0.2%
3.	Blackrock Inc.	293,797	$2,309,244	0%
4.	Perritt Capital Management Inc	198,167	$1,557,593	0.87%
5.	Essex Investment Management Co Llc	186,536	$1,466,173	0.28%