| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Artal Group S.A. | 1,003,400 | 9.92 | 37,607,432 | 2013-03-31 | | Jay, Jeffrey R. | 631,737 | 6.25 | 12,167,254 | 2012-12-31 | | Consonance Capital Management LP | 572,075 | 5.66 | 21,441,371 | 2013-03-31 | | Wellington Management Company, LLP | 346,700 | 3.43 | 6,677,442 | 2012-12-31 | | PointState Capital LP | 300,000 | 2.97 | 11,244,000 | 2013-03-31 | | BlackRock Institutional Trust Company, N.A. | 284,480 | 2.81 | 10,662,310 | 2013-03-31 | | Vanguard Group, Inc. (The) | 241,874 | 2.39 | 9,065,437 | 2013-03-31 | | BlackRock Fund Advisors | 188,220 | 1.86 | 7,054,485 | 2013-03-31 | | Deutsche Bank Aktiengesellschaft | 179,388 | 1.77 | 3,455,012 | 2012-12-31 | | Dimensional Fund Advisors LP | 165,887 | 1.64 | 6,217,444 | 2013-03-31 |
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| Holder | Shares | % Out | Value* | Reported |
|---|
| iShares Russell 2000 Index Fund | 117,315 | 1.16 | 4,396,966 | 2013-03-31 | | Vanguard Total Stock Market Index Fund | 103,301 | 1.02 | 1,989,577 | 2012-12-31 | | Vanguard Extended Market Index Fund | 88,633 | 0.88 | 1,707,071 | 2012-12-31 | | iShares Russell 2000 Growth Index Fund | 54,951 | 0.54 | 2,059,563 | 2013-03-31 | | Pennsylvania Mutual Fund Inc | 43,625 | 0.43 | 1,635,065 | 2013-03-31 | | DWS Global Small Cap Growth Fd | 32,299 | 0.32 | 1,038,412 | 2013-01-31 | | DFA U.S. Small Cap Series | 31,418 | 0.31 | 1,010,088 | 2013-01-31 | | Spartan Extended Market Index Fund | 30,575 | 0.30 | 1,145,951 | 2013-03-31 | | College Retirement Equities Fund-Stock Account | 29,582 | 0.29 | 569,749 | 2012-12-31 | | DFA U.S. Micro Cap Series | 23,790 | 0.24 | 764,848 | 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. |