Propetro Holding Corp. (PUMP)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Blackrock Inc.	19,062,570	$159,744,338	0%
2.	Vanguard Group Inc	11,491,781	$96,301,125	0%
3.	Dimensional Fund Advisors Lp	7,293,490	$61,119,910	0.01%
4.	State Street Corp	4,509,929	$37,793,205	0%
5.	Morgan Stanley	2,681,842	$22,473,844	0%