| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| JP Morgan Chase & Company | 2,871,189 | 6.11 | 28,453,482 | Mar 31, 2013 | | Fairfax Financial Holdings Limited | 2,358,487 | 5.02 | 23,372,606 | Mar 31, 2013 | | Jennison Associates LLC | 2,328,233 | 4.95 | 23,072,789 | Mar 31, 2013 | | Broadfin Capital, LLC | 1,994,794 | 4.24 | 19,768,408 | Mar 31, 2013 | | Blair (William) & Company, L.L.C. | 1,987,498 | 4.23 | 19,696,105 | Mar 31, 2013 | | Gagnon Securities, LLC | 1,831,695 | 3.90 | 18,152,097 | Mar 31, 2013 | | JANUS CAPITAL MANAGEMENT, LLC | 1,568,322 | 3.34 | 15,542,071 | Mar 31, 2013 | | Capital Research Global Investors | 1,243,334 | 2.64 | 11,040,805 | Dec 31, 2012 | | Adage Capital Partners GP L.L.C. | 1,200,000 | 2.55 | 11,892,000 | Mar 31, 2013 | | Wells Fargo & Company | 642,217 | 1.37 | 6,364,370 | Mar 31, 2013 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Janus Venture Fund | 1,404,709 | 2.99 | 13,920,666 | Mar 31, 2013 | | JP Morgan Small Cap Growth Fund | 898,200 | 1.91 | 8,901,162 | Mar 31, 2013 | | Prudential Jennison Health Sciences Fd | 891,020 | 1.89 | 8,830,008 | Mar 31, 2013 | | Blair (William) Mutual Funds, Inc.-Small Cap Growth Fund | 550,101 | 1.17 | 5,451,500 | Feb 28, 2013 | | JP Morgan Dynamic Small Cap Fund | 481,000 | 1.02 | 4,766,710 | Mar 31, 2013 | | Wells Fargo Advantage Emerging Growth Fd | 380,500 | 0.81 | 3,770,755 | Mar 31, 2013 | | Wasatch Microcap Fund | 189,909 | 0.40 | 1,686,391 | Dec 31, 2012 | | SEI Institutional Investment Tr-Small Cap Fund | 144,360 | 0.31 | 1,430,607 | Feb 28, 2013 | | Wasatch Ultra Growth Fund | 138,747 | 0.30 | 1,232,073 | Dec 31, 2012 | | Lord Abbett Securities Trust-Micro-Cap Growth Fund | 120,778 | 0.26 | 1,134,105 | Jan 31, 2013 |
|
Value shown is computed using the security's price on the report date given. Currency in USD. |
0.47(3.37%) May 17, 4:00PM EDT