| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | TUDOR INVESTMENT CORPORATION | 2,342,388 | 7.40 | $12,274,113 | 30-Sep-09 | | MORGAN STANLEY | 2,162,431 | 6.83 | $11,331,138 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 1,882,496 | 5.95 | $9,864,279 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,798,206 | 5.68 | $9,422,599 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,172,450 | 3.70 | $6,143,638 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 656,507 | 2.07 | $3,440,096 | 30-Sep-09 | | FEDERATED INVESTORS, INC. | 5,747,550 | 18.15 | $30,117,162 | 30-Sep-09 | | SECTORAL ASSET MANAGEMENT, INC. | 3,694,465 | 11.67 | $19,358,996 | 30-Sep-09 | | GOLDMAN SACHS GROUP INC | 588,676 | 1.86 | $3,084,662 | 30-Sep-09 | | KNOTT (DAVID M.) | 512,861 | 1.62 | $2,687,391 | 30-Sep-09 |
|
| Holder | Shares | % Out | Value* | Reported | | FEDERATED KAUFMANN FUND | 4,279,233 | 13.51 | $24,306,043 | 31-Jul-09 | | FEDERATED KAUFMANN SMALL CAP FUND | 600,365 | 1.90 | $3,410,073 | 31-Jul-09 | | HARTFORD GLOBAL HEALTH FUND | 475,900 | 1.50 | $2,703,112 | 31-Jul-09 | | ISHARES RUSSELL 2000 INDEX FD | 390,190 | 1.23 | $2,044,595 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 372,078 | 1.18 | $1,916,201 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 304,981 | .96 | $1,570,652 | 30-Jun-09 | | ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND | 299,827 | .95 | $1,256,275 | 31-Oct-09 | | DFA U.S. MICRO CAP SERIES | 284,275 | .90 | $1,557,827 | 30-Apr-09 | | HARTFORD GLOBAL HEALTH HLS FUND | 244,000 | .77 | $1,256,600 | 30-Jun-09 | | Goldman Sachs Structured Small Cap Equity Fund | 239,138 | .76 | $1,358,303 | 31-Jul-09 |
|
|
*
|
Value shown is computed using the security's price on the report date given.
|
|