| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Vanguard Group, Inc. (The) | 21,190,719 | 4.94 | 147,487,404 | 31-Mar-2013 | | UBS Global Asset Management (Americas) Inc | 19,697,735 | 4.60 | 137,096,235 | 31-Mar-2013 | | BlackRock Institutional Trust Company, N.A. | 11,746,578 | 2.74 | 81,756,182 | 31-Mar-2013 | | State Street Corporation | 11,664,655 | 2.72 | 81,185,998 | 31-Mar-2013 | | BlackRock Fund Advisors | 10,607,675 | 2.47 | 73,829,418 | 31-Mar-2013 | | Columbia Wanger Asset Management, L.P. | 10,319,700 | 2.41 | 71,825,112 | 31-Mar-2013 | | FMR, LLC | 9,586,722 | 2.24 | 66,723,585 | 31-Mar-2013 | | Cramer Rosenthal Mcglynn LLC/Adv | 9,056,200 | 2.11 | 63,031,152 | 31-Mar-2013 | | Price (T.Rowe) Associates Inc | 73,090,190 | 17.05 | 508,707,722 | 31-Mar-2013 | | JANUS CAPITAL MANAGEMENT, LLC | 48,512,429 | 11.32 | 337,646,505 | 31-Mar-2013 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Price (T.Rowe) Mid Cap Growth Fund | 18,000,000 | 4.20 | 125,280,000 | 31-Mar-2013 | | Janus Triton Fund | 9,243,182 | 2.16 | 64,332,546 | 31-Mar-2013 | | Columbia Acorn Fund | 7,976,000 | 1.86 | 52,242,800 | 31-Dec-2012 | | Janus Fund | 6,988,758 | 1.63 | 48,641,755 | 31-Mar-2013 | | Janus Enterprise Fund | 6,783,344 | 1.58 | 47,212,074 | 31-Mar-2013 | | Price (T.Rowe) Institutional Large Cap Growth Fund | 6,239,400 | 1.46 | 40,868,070 | 31-Dec-2012 | | Janus Research Fund | 6,204,301 | 1.45 | 43,181,934 | 31-Mar-2013 | | Vanguard Total Stock Market Index Fund | 5,884,622 | 1.37 | 38,544,274 | 31-Dec-2012 | | Vanguard Mid-Cap Index Fund | 5,743,228 | 1.34 | 37,618,143 | 31-Dec-2012 | | Price (T.Rowe) Science & Technology Fund | 5,656,300 | 1.32 | 39,367,848 | 31-Mar-2013 |
|
View Transactions for Insiders & Institutional Holders Value shown is computed using the security's price on the report date given. Currency in USD. |