Alphatec Holdings Inc. (ATEC)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Nuveen, Llc	11,100,828	$1,716,632,042	0.52%
2.	Blackrock, Inc.	8,337,229	$84,539,500	0%
3.	Vanguard Group Inc	6,014,772	$60,989,789	0%
4.	American Century Companies Inc	5,830,031	$59,116,524	0.04%
5.	Ubs Group AgCALL	5,211,600	$52,845,624	0.01%