| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | FMR LLC | 1,339,961 | 2.32 | $44,379,508 | 30-Sep-09 | | BAMCO INC. | 1,320,882 | 2.29 | $43,747,611 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 363,663 | .63 | $12,044,518 | 30-Sep-09 | | BlackRock Advisors, LLC | 223,600 | .39 | $7,405,632 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 205,674 | .36 | $6,811,922 | 30-Sep-09 | | Greenwich Wealth Management, LLC | 200,000 | .35 | $6,624,000 | 30-Sep-09 | | JP MORGAN CHASE & COMPANY | 173,641 | .30 | $5,750,989 | 30-Sep-09 | | MUNDER CAPITAL MANAGEMENT, INC. | 168,750 | .29 | $5,589,000 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 131,000 | .23 | $4,338,720 | 30-Sep-09 | | GOLDMAN, JAY, G. | 125,000 | .22 | $4,140,000 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | BARON GROWTH FUND | 928,953 | 1.61 | $27,794,273 | 30-Jun-09 | | VARIABLE INSURANCE PRODUCTS FD III-MID-CAP PORTFOLIO | 262,088 | .45 | $8,680,354 | 30-Sep-09 | | BlackRock Healthcare Fund | 223,600 | .39 | $7,470,476 | 31-Jul-09 | | FIDELITY CONTRAFUND INC | 206,177 | .36 | $6,828,582 | 30-Sep-09 | | FIDELITY SMALL CAP INDEPENDENCE FUND | 197,900 | .34 | $6,611,839 | 31-Jul-09 | | ING PARTNERS INC.-ING BARON SMALL CAP GROWTH PORT | 171,020 | .30 | $5,116,918 | 30-Jun-09 | | FIDELITY SELECT PORTFOLIOS - HEALTH CARE | 168,668 | .29 | $5,586,284 | 30-Sep-09 | | Munder Internet Fund | 152,450 | .26 | $4,561,304 | 30-Jun-09 | | Virtus Equity Tr-Virtus Capital Growth Fd | 133,650 | .23 | $3,998,808 | 30-Jun-09 | | PRICE (T.ROWE) NEW HORIZONS FUND | 116,600 | .20 | $3,861,792 | 30-Sep-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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