<SEC-DOCUMENT>0001037389-16-000089-index.html : 20160211
<SEC-HEADER>0001037389-16-000089.hdr.sgml : 20160211
<ACCEPTANCE-DATETIME>20160211162336
ACCESSION NUMBER:		0001037389-16-000089
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20160211
DATE AS OF CHANGE:		20160211

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALASKA AIR GROUP, INC.
		CENTRAL INDEX KEY:			0000766421
		STANDARD INDUSTRIAL CLASSIFICATION:	AIR TRANSPORTATION, SCHEDULED [4512]
		IRS NUMBER:				911292054
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-36542
		FILM NUMBER:		161411678

	BUSINESS ADDRESS:	
		STREET 1:		19300 INTERNATIONAL BOULEVARD
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98188
		BUSINESS PHONE:		206-392-5040

	MAIL ADDRESS:	
		STREET 1:		19300 INTERNATIONAL BOULEVARD
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98188

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALASKA AIR GROUP INC
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RENAISSANCE TECHNOLOGIES LLC
		CENTRAL INDEX KEY:			0001037389
		IRS NUMBER:				260385758
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		800 THIRD AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		2124866780

	MAIL ADDRESS:	
		STREET 1:		800 THIRD AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RENAISSANCE TECHNOLOGIES CORP
		DATE OF NAME CHANGE:	19990324
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>alk-13g_20151231.txt
<DESCRIPTION>ALASKA AIR GROUP, INC.
<TEXT>
Document 1 - file: alk-13g_20151231.txt

</DOCUMENT>
</SEC-DOCUMENT>