Ownership summary

Top Holders

Holder Shares Held % O/S Share Change Filing Date
The Vanguard Group, Inc. 12,109,886 9.82 72,716 3/31/18
T. Rowe Price Associates, Inc. 8,014,385 6.50 -1,028,167 3/31/18
BlackRock Institutional Trust Company, N.A. 6,098,769 4.95 -49,076 3/31/18
PRIMECAP Management Company 6,001,307 4.87 -35,793 3/31/18
Managed Account Advisors LLC 5,059,206 4.10 4,945,932 3/31/18
State Street Global Advisors (US) 4,033,721 3.27 -389,204 3/31/18
Franklin Advisers, Inc. 3,209,702 2.60 -16,386 3/31/18
PAR Capital Management, Inc. 2,500,000 2.03 -- 3/31/18
Bank of America Merrill Lynch (US) 2,317,370 1.88 1,913,477 3/31/18
Principal Global Investors (Equity) 2,292,684 1.86 -89,660 3/31/18

Shareholders

Shareholder Holders Value ($MM) % O/S Shares
Institution 675 6,817.95 88.82 109,482,662
Mutual Fund 846 3,585.27 46.70 57,559,600
Insider 24 33.79 0.41 507,332

Rotation

Shareholder Holders Value Chg ($MM) % O/S Share Change
Buyers 335 1,241.51 16.18 19,946,960
Sellers 354 -1,244.55 16.18 -19,939,343
Net -- -3.03 -- 7,617

Concentration

Value ($MM) % O/S Shares
Total Inst. 6,817.95 88.82 109,482,662
Top 10 Inst. 3,199.43 41.89 51,637,030
Top 20 Inst. 4,032.72 52.80 65,085,878
Top 50 Inst. 5,351.50 69.77 85,998,373

* Represents ownership of less than 1% of total shares outstanding.