| 15.40 Real-Time Quote |  +0.14 / +0.92%Today’s Change | 13.87 Today|||52-Week Range 29.37 | -16.93% Year-to-Date |
| Other institutional | 57.56% |
| Mutual fund holders | 42.08% |
| Individual stakeholders | 29.73% |
| 3/31/2013 | DEERFIELD MANAGEMENT CO. LP Bought 2.8 Million shares of Auxilium Pharmaceuticals ... |
| 3/31/2013 | MILLENNIUM MANAGEMENT LLC Bought 1.5 Million shares of Auxilium Pharmaceuticals ... |
| 3/31/2013 | WELLS CAPITAL MANAGEMENT, INC. Bought 1.4 Million shares of Auxilium Pharmaceuticals ... |
| Stockholder | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| Deerfield Management Co. LP | 8.14% | 4,013,500 | 59,921,555 | +2,846,625 | +243.95% |
| Putnam Investment Management LLC | 7.14% | 3,518,875 | 52,536,804 | +488,635 | +16.13% |
| BlackRock Fund Advisors | 6.70% | 3,301,218 | 49,287,185 | +23,857 | +0.73% |
| The Vanguard Group, Inc. | 6.09% | 3,004,563 | 44,858,126 | -1,529 | -0.05% |
| Citadel Advisors LLC | 5.03% | 2,478,411 | 37,002,676 | +915,287 | +58.55% |
| Palo Alto Investors LLC | 4.87% | 2,402,394 | 35,867,742 | +2,900 | +0.12% |
| Millennium Management LLC | 4.78% | 2,356,539 | 35,183,127 | +1,459,603 | +162.73% |
| SSgA Funds Management, Inc. | 3.09% | 1,522,906 | 22,736,987 | +146,419 | +10.64% |
| Wells Capital Management, Inc. | 2.85% | 1,406,310 | 20,996,208 | +1,406,310 | -- |
| Wellington Management Co. LLP | 2.27% | 1,117,134 | 16,678,811 | -2,337,634 | -67.66% |
| Mutual fund | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| Putnam Global Health Care Fund | 2.75% | 1,354,000 | 20,215,220 | +179,600 | +15.29% |
| Pictet - Biotech | 2.17% | 1,067,249 | 15,934,028 | -135,039 | -11.23% |
| Vanguard Small Cap Index Fund | 1.66% | 817,206 | 12,200,886 | +34,740 | +4.44% |
| iShares Russell 2000 Index Fund | 1.55% | 764,740 | 11,417,568 | -9,350 | -1.21% |
| PowerShares Dynamic Pharmaceutica... | 1.43% | 705,757 | 10,536,952 | +21,462 | +3.14% |
| Wells Fargo Advantage Discovery F... | 1.41% | 693,743 | 10,357,583 | +13,100 | +1.92% |
| Vanguard Total Stock Market Index... | 1.33% | 653,930 | 9,763,175 | +42,725 | +6.99% |
| SPDR S&P Pharmaceuticals ETF | 1.30% | 641,142 | 9,572,250 | -5,438 | -0.84% |
| Fidelity Select Biotechnology Por... | 1.27% | 628,851 | 9,388,745 | 0 | 0.00% |
| Putnam Voyager Fund | 1.27% | 627,500 | 9,368,575 | +272,500 | +76.76% |
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