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 676 6,815.24 88.80 109,451,678
Mutual Fund 847 3,670.34 48.08 59,268,934
Insider 24 33.79 0.41 507,332

Rotation

Shareholder Holders Value Chg ($MM) % O/S Share Change
Buyers 336 1,229.15 16.02 19,747,458
Sellers 354 -1,241.22 16.13 -19,887,330
Net -- -12.07 0.11 -139,872

Concentration

Value ($MM) % O/S Shares
Total Inst. 6,815.24 88.80 109,451,678
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.