| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Aletheia Research & Management, Inc. | 3,107,862 | 7.43 | $70,486,310 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 2,203,747 | 5.27 | $49,980,981 | 30-Sep-09 | | MORGAN STANLEY | 1,936,873 | 4.63 | $43,928,279 | 30-Sep-09 | | STATE STREET CORPORATION | 1,464,594 | 3.50 | $33,216,991 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,404,880 | 3.36 | $31,862,678 | 30-Sep-09 | | OPPENHEIMER FUNDS, INC. | 1,201,000 | 2.87 | $27,238,680 | 30-Sep-09 | | GILDER, GAGNON, HOWE & CO. | 1,055,834 | 2.52 | $23,946,315 | 30-Sep-09 | | FMR LLC | 6,259,209 | 14.97 | $141,958,860 | 30-Sep-09 | | Bank of New York Mellon Corporation | 761,655 | 1.82 | $17,274,335 | 30-Sep-09 | | SYMPHONY ASSET MANAGEMENT LLC | 462,609 | 1.11 | $10,491,972 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | FIDELITY GROWTH COMPANY FUND | 4,161,110 | 9.95 | $94,373,974 | 30-Sep-09 | | OPPENHEIMER GLOBAL OPPORTUNITIES FUND | 1,200,000 | 2.87 | $26,724,000 | 30-Jun-09 | | MORGAN STANLEY INST FD INC-SMALL COMPANY GROWTH PORT | 877,300 | 2.10 | $19,537,471 | 30-Jun-09 | | SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF | 730,671 | 1.75 | $16,272,043 | 30-Jun-09 | | FIDELITY OTC PORTFOLIO | 574,300 | 1.37 | $13,025,124 | 30-Sep-09 | | ISHARES RUSSELL 2000 INDEX FD | 529,567 | 1.27 | $12,010,579 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 429,929 | 1.03 | $9,574,518 | 30-Jun-09 | | ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND | 371,983 | .89 | $6,338,590 | 31-Oct-09 | | Fidelity Growth Strategies Fund | 331,641 | .79 | $7,521,617 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 328,669 | .79 | $7,319,458 | 30-Jun-09 |
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Value shown is computed using the security's price on the report date given.
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