Ownership summary

Top Holders
 Shares Held% O/SFiling Date
T. Rowe Price Associates, Inc.12,509,73410.112/31/16
The Vanguard Group, Inc.11,997,6989.712/31/16
PRIMECAP Management Company6,100,3004.901/31/17
BlackRock Institutional Trust Company, N.A.5,917,8364.812/31/16
PAR Capital Management, Inc.4,502,3643.612/31/16
State Street Global Advisors (US)4,345,3793.512/31/16
Franklin Advisers, Inc.3,200,0002.612/31/16
Citadel LLC2,444,2522.012/31/16
Renaissance Technologies LLC2,379,4001.912/31/16
Wellington Management Company, LLP2,356,0821.912/31/16
Shareholders
 HoldersValue ($MM)% O/SShares
Institution66810,115.3391.8113,565,721
Mutual Fund9475,990.4253.566,228,370
Insider *2035.980.3402,956
*Insider values reflect direct beneficial ownership.
Rotation
 HoldersValue Chg ($MM)% O/SShare Change
Buyers2781,196.1010.913,501,648
Sellers352-843.267.7-9,518,511
Net0352.843.23,983,137
Concentration
 Value ($MM)% O/SShares
Top 10 Inst.4,978.0245.155,753,045
Top 20 Inst.6,255.8756.770,154,600
Top 50 Inst.7,994.9872.589,710,947
Total Inst.10,115.3391.8113,565,721
Ownership data based on most recent publicly available data according to Thomson Reuters.