| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| FMR, LLC | 4,432,522 | 8.92 | 269,807,614 | 2013-03-31 | | BlackRock Advisors, LLC | 2,691,232 | 5.42 | 163,815,291 | 2013-03-31 | | LSV Asset Management | 2,584,561 | 5.20 | 157,322,228 | 2013-03-31 | | Vanguard Group, Inc. (The) | 2,531,685 | 5.10 | 154,103,665 | 2013-03-31 | | AJO, LP | 2,325,140 | 4.68 | 141,531,271 | 2013-03-31 | | BlackRock Fund Advisors | 1,776,094 | 3.58 | 108,110,841 | 2013-03-31 | | Eagle Asset Management, Inc. | 1,614,030 | 3.25 | 98,246,006 | 2013-03-31 | | State Street Corporation | 1,612,320 | 3.25 | 98,141,918 | 2013-03-31 | | BlackRock Institutional Trust Company, N.A. | 1,447,709 | 2.91 | 88,122,046 | 2013-03-31 | | BMO Financial Corp | 1,419,060 | 2.86 | 86,378,182 | 2013-03-31 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Vanguard Specialized-Health Care Fund | 1,487,000 | 2.99 | 80,134,430 | 2013-01-31 | | Variable Insurance Products Fund III-Mid-Cap Portfolio | 985,027 | 1.98 | 59,958,593 | 2013-03-31 | | Eagle Series Tr-Eagle Small Cap Growth Fund | 952,546 | 1.92 | 57,981,475 | 2013-03-31 | | Vanguard Small-Cap Index Fund | 774,111 | 1.56 | 41,353,009 | 2012-12-31 | | Fidelity Select Portfolios - Biotechnology | 752,651 | 1.52 | 45,813,866 | 2013-03-31 | | Vanguard Total Stock Market Index Fund | 638,525 | 1.29 | 34,110,005 | 2012-12-31 | | Vanguard Small-Cap Growth Index Fund | 543,633 | 1.09 | 29,040,874 | 2012-12-31 | | iShares Core S&P Midcap Index Fund | 527,323 | 1.06 | 32,098,151 | 2013-03-31 | | BlackRock Global Allocation Fund | 519,671 | 1.05 | 28,005,070 | 2013-01-31 | | Hussman Investment Trust-Hussman Strategic Growth Fund | 500,000 | 1.01 | 26,710,000 | 2012-12-31 |
|
View Transactions for Insiders & Institutional Holders Value shown is computed using the security's price on the report date given. Currency in USD. |