Npk International Inc. (NR)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Ameriprise Financial Inc	6,410,776	$42,567,553	0.01%
2.	Blackrock Inc.	6,249,626	$41,497,517	0%
3.	Dimensional Fund Advisors Lp	6,153,464	$40,859,251	0.01%
4.	Vanguard Group Inc	4,761,308	$31,615,085	0%
5.	Morgan Stanley	2,529,718	$16,797,327	0%