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Institutional Holdings of ALASKA AIR GROUP, INC. (ALK) on 12/31/2011

1. Company Information

Company/StockALASKA AIR GROUP, INC. (stock symbol: ALK)
Funds Ownership199 out of total 3028 funds (7%) own this stock
Funds own total 30,846,464 shares, 87.01% of all outstanding shares
Funds SOLD -1,029,352 shares (-3.23%) in the quarter ended on 12/31/2011

2. Top 20 Funds Held ALK in this Quarter (By Shares) Add to Yahoo Finance Message Board

No.FundSharesPut/CallActivity(Shr)% Port.% Out. Shrs
1.)PRIMECAP MANAGEMENT CO CA 2,650,850Unchanged0.32%7.48%
2.)PAR CAPITAL MANAGEMENT INC2,003,114Added 22.42%5.74%5.65%
3.)VANGUARD GROUP INC1,960,163Added 1.28%0.02%5.53%
4.)RENAISSANCE TECHNOLOGIES LLC1,911,200Added 7.07%0.58%5.39%
5.)BLACKROCK FUND ADVISORS1,675,073Added 38.98%0.07%4.73%
6.)STATE STREET CORP1,198,487Added 0.30%0.02%3.38%
7.)BLACKROCK INSTITUTIONAL TRUST COMPANY NA1,100,200Added 3.55%0.02%3.10%
8.)WELLS FARGO & CO MN895,519Cut -7.21%0.05%2.53%
9.)J P MORGAN CHASE & CO854,625Added 19.29%0.03%2.41%
10.)PRICE T ROWE ASSOCIATES INC MD 852,660Cut -2.09%0.02%2.41%
11.)FMR LLC848,161Added 453.99%0.01%2.39%
12.)FRANKLIN RESOURCES INC800,000Cut -5.46%0.04%2.26%
13.)NORTHERN TRUST CORP797,623Added 0.49%0.03%2.25%
14.)BANK OF NEW YORK MELLON CORP758,240Cut -10.93%0.02%2.14%
15.)FRONTIER CAPITAL MANAGEMENT CO INC649,597Cut -30.44%0.56%1.83%
16.)ARROWSTREET CAPITAL LIMITED PARTNERSHIP539,852Cut -2.82%0.35%1.52%
17.)ZEVENBERGEN CAPITAL INVESTMENTS LLC527,550Added 19.45%1.66%1.49%
18.)DIMENSIONAL FUND ADVISORS INC511,900Cut -26.64%0.05%1.44%
19.)ROTHSCHILD ASSET MANAGEMENT INC466,423Cut -9.33%0.98%1.32%
20.)CAPITAL GROWTH MANAGEMENT LP400,000Added 5.26%0.71%1.13%



3. Top 20 Funds Held ALK in this Quarter (By % of Portfolio) Add to Yahoo Finance Message Board

No.FundSharesPut/CallActivity(Shr)% Port.% Out. Shrs
1.)PAR CAPITAL MANAGEMENT INC2,003,114Added 22.42%5.74%5.65%
2.)DAWSON HERMAN CAPITAL MANAGEMENT INC CT102,855Cut -24.52%3.69%0.29%
3.)ZEVENBERGEN CAPITAL INVESTMENTS LLC527,550Added 19.45%1.66%1.49%
4.)PHOENIX ZWEIG ADVISERS LLC102,000New1.55%0.29%
5.)FIRST WASHINGTON CORP28,700Cut -1.03%1.45%0.08%
6.)ROTHSCHILD ASSET MANAGEMENT INC466,423Cut -9.33%0.98%1.32%
7.)COPPER ROCK CAPITAL PARTNERS LLC92,058Added 133.15%0.92%0.26%
8.)FERGUSON WELLMAN CAPITAL MANAGEMENT INC121,000Added 0.26%0.91%0.34%
9.)FOXHALL CAPITAL MANAGEMENT INC4,654New0.89%0.01%
10.)IMPALA ASSET MANAGEMENT LLC169,205Cut -49.98%0.71%0.48%
11.)CAPITAL GROWTH MANAGEMENT LP400,000Added 5.26%0.71%1.13%
12.)CLEAR HARBOR ASSET MANAGEMENT LLC23,900Cut -1.36%0.70%0.07%
13.)CHARTWELL INVESTMENT PARTNERS PA232,170New0.63%0.65%
14.)RENAISSANCE TECHNOLOGIES LLC1,911,200Added 7.07%0.58%5.39%
15.)WEXFORD CAPITAL LLC66,356New0.58%0.19%
16.)JAMES INVESTMENT RESEARCH INC96,195Added 2,037.67%0.57%0.27%
17.)FRONTIER CAPITAL MANAGEMENT CO INC649,597Cut -30.44%0.56%1.83%
18.)IKOS CIF LTD1,446New0.48%0.00%
19.)TWO SIGMA ADVISERS LLC94,000Added 374.75%0.43%0.27%
20.)EUCLID ADVISORS LLC224,000Cut -22.49%0.41%0.63%

4. Top 20 Funds BOUGHT NEW ALK in this Quarter (By Shares) Add to Yahoo Finance Message Board

No.FundSharesPut/Call% Port.% Out. Shrs
1.)CHARTWELL INVESTMENT PARTNERS PA232,1700.63%0.65%
2.)PHOENIX ZWEIG ADVISERS LLC102,0001.55%0.29%
3.)WEXFORD CAPITAL LLC66,3560.58%0.19%
4.)PEAK6 INVESTMENTS LP27,700CALL0.01%0.08%
5.)D E SHAW & CO INC24,3020.01%0.07%
6.)M&T BANK CORP22,0000.07%0.06%
7.)PARAMETRICA MANAGEMENT LTD21,8690.39%0.06%
8.)OXFORD ASSET MANAGEMENT17,6340.03%0.05%
9.)QUANTITATIVE INVESTMENT MANAGEMENT LLC16,1000.10%0.05%
10.)MADISON SQUARE INVESTORS LLC11,0320.01%0.03%
11.)GLOBEFLEX CAPITAL L P7,4000.10%0.02%
12.)COLUMBIA PARTNERS L L C INVESTMENT MANAGEMENT7,0160.03%0.02%
13.)SUNRISE PARTNERS LLC CT6,9000.06%0.02%
14.)ELLINGTON MANAGEMENT GROUP LLC5,5000.19%0.02%
15.)FIFTH THIRD ASSET MANAGEMENT INC5,0440.01%0.01%
16.)FOXHALL CAPITAL MANAGEMENT INC4,6540.89%0.01%
17.)CAXTON ASSOCIATES LLC4,3430.01%0.01%
18.)ADVANCE CAPITAL I INC4,3000.16%0.01%
19.)OPPENHEIMER & CO INC4,1450.02%0.01%
20.)GERSTEIN FISHER & ASSOCIATES INC3,9130.12%0.01%

5. Top 20 Funds SOLD OUT ALK in this Quarter (By Shares) Add to Yahoo Finance Message Board

No.FundSharesPut/Call% Port.% Out. Shrs
1.)STATE OF NEW JERSEY COMMON PENSION FUND A450,0000.16%1.27%
2.)TEACHERS ADVISORS INC320,7690.09%0.90%
3.)TIAA CREF INVESTMENT MANAGEMENT LLC220,3070.01%0.62%
4.)AXA FINANCIAL INC181,7000.07%0.51%
5.)TWO SIGMA INVESTMENTS LLC110,4620.09%0.31%
6.)JEFFERIES GROUP INC DE 85,000PUT0.05%0.24%
7.)HIGHBRIDGE CAPITAL MANAGEMENT LLC47,2430.03%0.13%
8.)GARGOYLE SERVICES LLC42,0281.31%0.12%
9.)CAISSE DE DEPOT ET PLACEMENT DU QUEBEC40,0000.01%0.11%
10.)JACOBS LEVY EQUITY MANAGEMENT INC15,8700.02%0.04%
11.)QWEST ASSET MANAGEMENT CO15,6030.35%0.04%
12.)CIBC WORLD MARKETS INC12,5220.00%0.04%
13.)ANALYTIC INVESTORS INC CA11,6470.02%0.03%
14.)BAY HILL CAPITAL MANAGEMENT LLC11,200PUT0.03%0.03%
15.)GW CAPITAL MANAGEMENT LLC10,3350.02%0.03%
16.)COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS8,8640.01%0.03%
17.)MARSHALL WACE NORTH AMERICA LP7,3300.08%0.02%
18.)GSA CAPITAL PARTNERS LLP6,2890.07%0.02%
19.)ACADIAN ASSET MANAGEMENT LLC5,7990.00%0.02%
20.)CAMPBELL & CO INVESTMENT ADVISER LLC5,4000.35%0.02%