| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Metalmark Capital LLC | 7,515,136 | 9.65 | 111,750,072 | 31-Mar-2013 | | Wellington Management Company, LLP | 6,508,973 | 8.36 | 96,788,428 | 31-Mar-2013 | | Camber Capital Management, LLC | 3,150,000 | 4.05 | 46,840,500 | 31-Mar-2013 | | Blackstone Group L.P. | 29,381,568 | 37.74 | 436,903,916 | 31-Mar-2013 | | Price (T.Rowe) Associates Inc | 2,815,200 | 3.62 | 41,862,024 | 31-Mar-2013 | | Vanguard Group, Inc. (The) | 1,516,240 | 1.95 | 22,546,488 | 31-Mar-2013 | | Massachusetts Financial Services Co. | 1,319,890 | 1.70 | 19,626,764 | 31-Mar-2013 | | Segall Bryant & Hamill Investment Counsel | 1,223,134 | 1.57 | 14,983,391 | 31-Dec-2012 | | Times Square Capital Management | 1,110,500 | 1.43 | 16,513,135 | 31-Mar-2013 | | Rice, Hall, James & Associates | 883,035 | 1.13 | 13,130,730 | 31-Mar-2013 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Vanguard Specialized-Health Care Fund | 2,556,780 | 3.28 | 35,718,216 | 31-Jan-2013 | | Price (T.Rowe) Small Cap Stock Fund | 1,726,200 | 2.22 | 25,668,594 | 31-Mar-2013 | | Columbia Fds Ser Tr-Columbia Small Cap Value II Fd | 670,000 | 0.86 | 9,962,900 | 28-Feb-2013 | | iShares Russell 2000 Index Fund | 512,480 | 0.66 | 7,620,577 | 31-Mar-2013 | | Vanguard Small-Cap Index Fund | 512,239 | 0.66 | 6,274,927 | 31-Dec-2012 | | Vanguard Total Stock Market Index Fund | 395,649 | 0.51 | 4,846,700 | 31-Dec-2012 | | Price (T.Rowe) Small-Cap Value Fund | 342,600 | 0.44 | 5,094,462 | 31-Mar-2013 | | Vanguard Small Cap Value Index Fund | 289,558 | 0.37 | 3,547,085 | 31-Dec-2012 | | TFS Capital Investment Tr-Tfs Market Neutral Fund | 254,749 | 0.33 | 3,558,843 | 31-Jan-2013 | | Price (T.Rowe) Institutional Small-Cap Stock Fund | 241,300 | 0.31 | 2,955,925 | 31-Dec-2012 |
|
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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