| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | FMR LLC | 955,507 | 4.29 | $9,153,757 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 707,900 | 3.18 | $6,781,682 | 30-Sep-09 | | STATE STREET CORPORATION | 404,380 | 1.82 | $3,873,960 | 30-Sep-09 | | MFC Global Investment Management (U.S.), LLC | 289,058 | 1.30 | $2,769,175 | 30-Sep-09 | | Key Colony Management, LLC | 287,577 | 1.29 | $2,754,987 | 30-Sep-09 | | WELLS FARGO & COMPANY | 285,022 | 1.28 | $2,730,510 | 30-Sep-09 | | LOOMIS SAYLES & CO L P | 249,550 | 1.12 | $2,390,689 | 30-Sep-09 | | MORGAN STANLEY | 193,037 | .87 | $1,849,294 | 30-Sep-09 | | ALLEN HOLDING INC. | 183,981 | .83 | $1,762,537 | 30-Sep-09 | | Witter (M.D.) Investments, Inc. | 158,378 | .71 | $1,517,261 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VARIABLE INSURANCE PRODUCTS FD III-MID-CAP PORTFOLIO | 649,977 | 2.92 | $6,226,779 | 30-Sep-09 | | H&Q LIFE SCIENCES INVESTORS | 510,141 | 2.29 | $2,219,113 | 31-Mar-09 | | ISHARES RUSSELL 2000 INDEX FD | 295,118 | 1.33 | $2,827,230 | 30-Sep-09 | | JOHN HANCOCK SMALL CAP EQUITY FUND | 268,015 | 1.20 | $2,696,230 | 31-Oct-09 | | FIDELITY ADVISOR MID CAP II FUND | 186,969 | .84 | $1,791,163 | 30-Sep-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 156,093 | .70 | $1,495,370 | 30-Sep-09 | | ING INV TR-ING/EVERGREEN HEALTH SCIENCES PORTFOLIO | 127,788 | .57 | $995,468 | 30-Jun-09 | | SEI INSTITUTIONAL INVESTMENT TR-SMALL/MID CAP EQUITY FUN | 105,820 | .48 | $866,665 | 31-May-09 | | ING INV TR-ING/FMR (SM) DIVERSIFIED MID CAP PORT | 99,961 | .45 | $778,696 | 30-Jun-09 | | EVERGREEN HEALTH CARE FUND | 99,475 | .45 | $719,204 | 31-Jul-09 |
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*
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Value shown is computed using the security's price on the report date given.
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