Alaska Air Group Inc. (ALK)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Vanguard Group Inc	11,908,842	$586,153,204	0.01%
2.	Blackrock, Inc.	11,555,201	$568,746,995	0.01%
3.	Primecap Management Co	3,802,750	$187,171,355	0.15%
4.	Goldman Sachs Group Inc	2,638,464	$129,865,204	0.02%
5.	Massachusetts Financial Services Co	1,910,364	$94,028,117	0.03%