Instuitional Investor - Snyder Capital Management L P

13F Holdings

Filing Period:

No.	Security	Ticker	Shares	Value	% Port
1.	Clean Harbors Inc	CLH	929,327	$266,465,931	5.17%
2.	Entegris Inc	ENTG	2,060,687	$241,594,944	4.69%
3.	Bwx Technologies Inc.	BWXT	1,102,116	$225,371,701	4.37%
4.	Ugi Corp	UGI	5,366,697	$195,455,105	3.79%
5.	Ametek Inc	AME	750,790	$160,939,344	3.12%