| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Macquarie Group Limited | 4,464,778 | 6.79 | 187,208,141 | 2012-12-31 | | Primecap Management Company | 3,871,147 | 5.88 | 169,749,795 | 2013-02-28 | | Vanguard Group, Inc. (The) | 3,589,059 | 5.45 | 166,998,915 | 2013-03-31 | | Prescott General Partners LLC | 3,492,025 | 5.31 | 162,483,923 | 2013-03-31 | | Kornitzer Capital Management, Inc. | 2,399,037 | 3.65 | 111,627,191 | 2013-03-31 | | FMR LLC | 2,031,263 | 3.09 | 85,170,857 | 2012-12-31 | | State Street Corporation | 1,897,717 | 2.88 | 88,300,772 | 2013-03-31 | | Renaissance Technologies, LLC | 1,851,300 | 2.81 | 86,140,989 | 2013-03-31 | | Steinberg Asset Management, LLC | 1,850,068 | 2.81 | 86,083,664 | 2013-03-31 | | BlackRock Institutional Trust Company, N.A. | 1,735,838 | 2.64 | 80,768,542 | 2013-03-31 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Buffalo Small Cap Fund | 1,832,000 | 2.78 | 76,815,760 | 2012-12-31 | | Vanguard Horizon Fund-Capital Opportunity Portfolio | 1,623,416 | 2.47 | 68,069,832 | 2012-12-31 | | Delaware Group Equity Funds IV-Delaware Mid Cap Growth Fund | 1,322,418 | 2.01 | 55,448,986 | 2012-12-31 | | Vanguard Small-Cap Index Fund | 1,103,327 | 1.68 | 46,262,501 | 2012-12-31 | | Variable Insurance Products Fund III-Mid-Cap Portfolio | 959,846 | 1.46 | 44,661,634 | 2013-03-31 | | Managers AMG Funds-Timessquare Mid Cap Growth Fund | 909,800 | 1.38 | 39,894,730 | 2013-02-28 | | Vanguard Total Stock Market Index Fund | 884,746 | 1.34 | 37,097,399 | 2012-12-31 | | Vanguard Small-Cap Growth Index Fund | 775,585 | 1.18 | 32,520,279 | 2012-12-31 | | iShares Core S&P Midcap Index Fund | 744,261 | 1.13 | 34,630,464 | 2013-03-31 | | Voyageur Mutual Funds III-Delaware Select Growth Fund | 664,525 | 1.01 | 29,996,658 | 2013-01-31 |
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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. |