Patterson Uti Energy Inc (PTEN)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	58,686,717	$482,404,819	0.01%
2.	Vanguard Group Inc	43,742,781	$359,565,660	0.01%
3.	Arga Investment Management, Lp	12,784,573	$105,089,190	3.52%
4.	Schwab Charles Investment Management Inc	5,623,827	$46,227,858	0.01%
5.	Allspring Global Investments Holdings, Llc	5,003,726	$41,931,224	0.07%