| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| BAMCO Inc. | 4,381,476 | 8.53 | 93,675,956 | Dec 31, 2012 | | London Company of Virginia, (The) | 2,901,388 | 5.65 | 81,151,822 | Mar 31, 2013 | | ClearBridge Investments, LLC | 2,541,138 | 4.94 | 71,075,629 | Mar 31, 2013 | | Vanguard Group, Inc. (The) | 2,067,800 | 4.02 | 57,836,366 | Mar 31, 2013 | | SPO Advisory Corp | 15,712,200 | 30.57 | 335,926,836 | Dec 31, 2012 | | BlackRock Fund Advisors | 1,356,095 | 2.64 | 37,929,977 | Mar 31, 2013 | | BlackRock Institutional Trust Company, N.A. | 1,135,526 | 2.21 | 31,760,662 | Mar 31, 2013 | | Frontier Capital Management Company Inc | 1,076,799 | 2.10 | 30,118,068 | Mar 31, 2013 | | State Street Corporation | 1,045,077 | 2.03 | 29,230,803 | Mar 31, 2013 | | Cortina Asset Management, LLC | 955,312 | 1.86 | 26,720,076 | Mar 31, 2013 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Baron Growth Fund | 2,000,000 | 3.89 | 42,760,000 | Dec 31, 2012 | | Legg Mason Clearbridge Aggressive Growth Fd | 1,876,600 | 3.65 | 52,488,502 | Mar 31, 2013 | | Baron Small Cap Fund | 1,750,000 | 3.41 | 37,415,000 | Dec 31, 2012 | | Buffalo Small Cap Fund | 769,850 | 1.50 | 16,459,393 | Dec 31, 2012 | | Vanguard Small-Cap Index Fund | 547,089 | 1.06 | 11,696,762 | Dec 31, 2012 | | iShares Russell 2000 Index Fund | 505,934 | 0.98 | 14,150,973 | Mar 31, 2013 | | Touchstone Funds Group Tr-Touchstone Small Cap Core Fd | 484,605 | 0.94 | 10,360,854 | Dec 31, 2012 | | Vanguard Total Stock Market Index Fund | 440,510 | 0.86 | 9,418,103 | Dec 31, 2012 | | Vanguard Small-Cap Growth Index Fund | 384,243 | 0.75 | 8,215,115 | Dec 31, 2012 | | iShares Core S&P Midcap Index Fund | 360,523 | 0.70 | 10,083,828 | Mar 31, 2013 |
|
View Transactions for Insiders & Institutional Holders Value shown is computed using the security's price on the report date given. Currency in USD. |
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