| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| SRS Investment Management, LLC | 10,000,000 | 9.28 | 278,300,000 | Mar 31, 2013 | | Dimensional Fund Advisors LP | 8,941,506 | 8.30 | 248,842,111 | Mar 31, 2013 | | PAR Capital Management, Inc. | 7,375,751 | 6.85 | 146,187,384 | Dec 31, 2012 | | Columbia Wanger Asset Management, L.P. | 6,721,550 | 6.24 | 187,060,736 | Mar 31, 2013 | | Vanguard Group, Inc. (The) | 5,805,617 | 5.39 | 161,570,321 | Mar 31, 2013 | | Iridian Asset Management LLC | 4,580,186 | 4.25 | 127,466,576 | Mar 31, 2013 | | BlackRock Institutional Trust Company, N.A. | 3,329,497 | 3.09 | 92,659,901 | Mar 31, 2013 | | Columbus Circle Investors | 2,661,731 | 2.47 | 74,075,973 | Mar 31, 2013 | | BlackRock Fund Advisors | 2,606,520 | 2.42 | 72,539,451 | Mar 31, 2013 | | Keeley Asset Management Corp. | 2,545,692 | 2.36 | 50,455,615 | Dec 31, 2012 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Columbia Acorn Fund | 4,400,000 | 4.08 | 87,208,000 | Dec 31, 2012 | | DFA U.S. Small Cap Value Series | 4,147,655 | 3.85 | 89,299,012 | Jan 31, 2013 | | Vanguard Small-Cap Index Fund | 1,768,612 | 1.64 | 35,053,889 | Dec 31, 2012 | | iShares Russell 2000 Index Fund | 1,699,709 | 1.58 | 47,302,901 | Mar 31, 2013 | | Vanguard Total Stock Market Index Fund | 1,415,018 | 1.31 | 28,045,656 | Dec 31, 2012 | | Lord Abbett Research Fund, Small-Cap Value Series | 1,400,200 | 1.30 | 32,722,674 | Feb 28, 2013 | | Columbia Acorn USA Fund | 1,300,950 | 1.21 | 25,784,829 | Dec 31, 2012 | | Vanguard Small-Cap Growth Index Fund | 1,241,976 | 1.15 | 24,615,964 | Dec 31, 2012 | | Keeley Small Cap Value Fund, Inc. | 1,231,000 | 1.14 | 24,398,420 | Dec 31, 2012 | | Lord Abbett Developing Growth Fund | 1,153,536 | 1.07 | 24,835,630 | Jan 31, 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. |