| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Barclays Global Investors UK Holdings Ltd | 2,690,881 | 4.35 | $23,518,299 | 30-Sep-09 | | FRIESS ASSOCIATES INC | 2,249,600 | 3.64 | $19,661,504 | 30-Sep-09 | | CHARTWELL INVESTMENT PARTNERS | 1,577,645 | 2.55 | $13,788,617 | 30-Sep-09 | | JENNISON ASSOCIATES LLC | 1,560,600 | 2.52 | $13,639,644 | 30-Sep-09 | | WELLS FARGO & COMPANY | 1,559,660 | 2.52 | $13,631,428 | 30-Sep-09 | | O.S.S. CAPITAL MANAGEMENT, LP | 1,500,000 | 2.42 | $13,110,000 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 8,418,305 | 13.61 | $73,575,985 | 30-Sep-09 | | STATE STREET CORPORATION | 1,161,472 | 1.88 | $10,151,265 | 30-Sep-09 | | TURNER INVESTMENT PARTNERS, INC. | 1,156,010 | 1.87 | $10,103,527 | 30-Sep-09 | | FMR LLC | 1,147,270 | 1.85 | $10,027,139 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | JENNISON SECTOR FDS-JENNISON HEALTH SCIENCES FD | 1,312,100 | 2.12 | $9,958,839 | 31-Aug-09 | | HARTFORD MIDCAP VALUE HLS FUND | 1,102,000 | 1.78 | $8,110,720 | 30-Jun-09 | | VANGUARD EXPLORER FUND, INC. | 1,095,900 | 1.77 | $8,219,250 | 31-Jul-09 | | Columbia Fds Ser Tr I-Columbia Small Cap Growth Fd | 936,700 | 1.51 | $7,109,553 | 31-Aug-09 | | ISHARES RUSSELL 2000 INDEX FD | 891,382 | 1.44 | $7,790,678 | 30-Sep-09 | | MAINSTAY SMALL COMPANY VALUE FUND | 881,000 | 1.42 | $6,484,160 | 30-Jun-09 | | HARTFORD CAPITAL APPRECIATION HLS FUND, INC. | 806,000 | 1.30 | $5,932,160 | 30-Jun-09 | | HARTFORD VALUE OPPORTUNITIES HLS SERIES | 608,000 | .98 | $4,474,880 | 30-Jun-09 | | ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND | 601,409 | .97 | $5,340,511 | 31-Oct-09 | | Valic Company II-Mid Cap Value Fd | 557,515 | .90 | $4,231,538 | 31-Aug-09 |
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Value shown is computed using the security's price on the report date given.
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