| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Price (T.Rowe) Associates Inc | 2,109,624 | 7.51 | 348,594,269 | 31/03/2013 | | FMR, LLC | 1,826,858 | 6.50 | 301,870,015 | 31/03/2013 | | Vanguard Group, Inc. (The) | 1,358,692 | 4.83 | 224,510,266 | 31/03/2013 | | Renaissance Technologies, LLC | 1,121,492 | 3.99 | 185,315,338 | 31/03/2013 | | Jennison Associates LLC | 929,488 | 3.31 | 153,588,597 | 31/03/2013 | | State Street Corporation | 905,298 | 3.22 | 149,591,441 | 31/03/2013 | | BlackRock Institutional Trust Company, N.A. | 774,873 | 2.76 | 128,040,014 | 31/03/2013 | | Geneva Capital Management Ltd. | 702,032 | 2.50 | 116,003,767 | 31/03/2013 | | BlackRock Fund Advisors | 662,932 | 2.36 | 109,542,883 | 31/03/2013 | | BAMCO Inc. | 601,334 | 2.14 | 99,364,430 | 31/03/2013 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Fidelity Growth Company Fund | 875,000 | 3.11 | 144,585,000 | 31/03/2013 | | Price (T.Rowe) New Horizons Fund | 862,974 | 3.07 | 142,597,823 | 31/03/2013 | | Prudential Jennison Mid-Cap Growth Fd | 611,371 | 2.18 | 101,022,944 | 31/03/2013 | | Price (T.Rowe) Mid Cap Growth Fund | 550,000 | 1.96 | 90,882,000 | 31/03/2013 | | Hussman Investment Trust-Hussman Strategic Growth Fund | 484,000 | 1.72 | 76,873,720 | 31/12/2012 | | Fidelity Blue Chip Growth Fund | 459,000 | 1.63 | 75,845,160 | 31/03/2013 | | Baron Growth Fund | 450,000 | 1.60 | 71,473,500 | 31/12/2012 | | Vanguard Total Stock Market Index Fund | 377,570 | 1.34 | 59,969,443 | 31/12/2012 | | Vanguard Mid-Cap Index Fund | 369,049 | 1.31 | 58,616,052 | 31/12/2012 | | iShares Core S&P Midcap Index Fund | 317,429 | 1.13 | 52,451,967 | 31/03/2013 |
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View Transactions for Insiders & Institutional Holders Value shown is computed using the security's price on the report date given. Currency in USD. |
1.52%