| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Sands Capital Management, Inc. | 6,801,346 | 8.63 | 605,863,901 | Mar 31, 2013 | | Vanguard Group, Inc. (The) | 4,911,164 | 6.23 | 437,486,489 | Mar 31, 2013 | | State Street Corporation | 3,369,329 | 4.28 | 300,139,827 | Mar 31, 2013 | | Invesco Ltd. | 2,585,990 | 3.28 | 230,359,989 | Mar 31, 2013 | | BlackRock Institutional Trust Company, N.A. | 2,221,193 | 2.82 | 197,863,872 | Mar 31, 2013 | | Maverick Capital Ltd. | 2,044,164 | 2.59 | 182,094,129 | Mar 31, 2013 | | Allianz Asset Management AG | 2,008,788 | 2.55 | 178,942,835 | Mar 31, 2013 | | TIAA-CREF Investment Management, LLC | 1,903,266 | 2.42 | 169,542,935 | Mar 31, 2013 | | Franklin Resources, Inc | 1,775,954 | 2.25 | 158,201,982 | Mar 31, 2013 | | AllianceBernstein, L.P. | 1,608,688 | 2.04 | 143,301,927 | Mar 31, 2013 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Vanguard Total Stock Market Index Fund | 1,056,166 | 1.34 | 102,606,526 | Dec 31, 2012 | | Vanguard Mid-Cap Index Fund | 1,032,220 | 1.31 | 100,280,173 | Dec 31, 2012 | | Touchstone Funds Group Tr-Touchstone Sands Capital Select Gr | 1,000,000 | 1.27 | 97,150,000 | Dec 31, 2012 | | College Retirement Equities Fund-Stock Account | 925,603 | 1.17 | 89,922,331 | Dec 31, 2012 | | Powershares Exhg Traded Fd Tr-Powershares QQQ Tr, Series 1 | 762,483 | 0.97 | 67,921,985 | Mar 31, 2013 | | Prudential Jennison Mid-Cap Growth Fd | 767,883 | 0.97 | 68,403,017 | Mar 31, 2013 | | Vanguard 500 Index Fund | 734,209 | 0.93 | 71,328,404 | Dec 31, 2012 | | SPDR S&P 500 ETF Trust | 731,695 | 0.93 | 65,179,390 | Mar 31, 2013 | | Vanguard Institutional Index Fund-Institutional Index Fund | 724,427 | 0.92 | 70,378,083 | Dec 31, 2012 | | Columbia Acorn Fund | 640,000 | 0.81 | 62,176,000 | Dec 31, 2012 |
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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. |