Top Holders
 Shares Held% O/SShare ChangeFiling Date
The Vanguard Group, Inc.10,397,02410.235,13309/30/17
BlackRock Institutional Trust Company, N.A.5,645,8145.576,62309/30/17
Boston Partners4,619,6704.529,29809/30/17
State Street Global Advisors (US)4,431,3094.3-156,94309/30/17
Glenview Capital Management, LLC2,908,1882.8243,20009/30/17
Nordea Funds Oy2,342,1072.3-354,74409/30/17
Iridian Asset Management LLC1,581,9661.5-18,31209/30/17
HealthCor Management, L.P.1,572,2901.5197,29009/30/17
Fidelity Management & Research Company1,473,3931.4-280,71309/30/17
Dimensional Fund Advisors, L.P.1,409,9411.414,90109/30/17
Ownership data based on most recent publicly available data according to Thomson Financial.
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