| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | FMR LLC | 2,098,000 | 3.15 | $48,023,220 | 30-Sep-09 | | KNOTT (DAVID M.) | 800,536 | 1.20 | $18,324,269 | 30-Sep-09 | | Jane Street Holding, LLC | 437,572 | .66 | $10,016,023 | 30-Sep-09 | | LEVIN CAPITAL STRATEGIES LP | 375,835 | .56 | $8,602,863 | 30-Sep-09 | | GABELLI FUNDS, LLC | 298,000 | .45 | $6,821,220 | 30-Sep-09 | | GAMCO INVESTORS INC | 273,500 | .41 | $6,260,415 | 30-Sep-09 | | SG Americas Securities, LLC | 253,451 | .38 | $5,801,493 | 30-Sep-09 | | LORD ABBETT & CO | 237,040 | .36 | $5,425,845 | 30-Sep-09 | | WELLS FARGO & COMPANY | 218,410 | .33 | $4,999,404 | 30-Sep-09 | | DiamondBack Capital Management | 177,273 | .27 | $4,057,778 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | FIDELITY GROWTH COMPANY FUND | 1,980,000 | 2.97 | $45,322,200 | 30-Sep-09 | | LORD ABBETT DEVELOPING GROWTH FUND | 245,584 | .37 | $6,083,115 | 31-Jul-09 | | GABELLI SMALL CAP GROWTH FUND | 241,000 | .36 | $5,516,490 | 30-Sep-09 | | EQ Advisors Trust-EQ/GAMCO Small Company Value Portfolio | 228,500 | .34 | $5,504,565 | 30-Jun-09 | | VANGUARD VARIABLE INSURANCE FUND-SMALL COMPANY GROWTH | 190,150 | .29 | $4,580,713 | 30-Jun-09 | | ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND | 132,541 | .20 | $2,617,684 | 31-Oct-09 | | SunAmerica Focused Small Cap Value Fund | 100,000 | .15 | $2,477,000 | 31-Jul-09 | | Wells Fargo Advantage Small Company Growth Fd | 84,007 | .13 | $1,922,920 | 30-Sep-09 | | DFA CONTINENTAL SMALL COMPANY SERIES | 45,768 | .07 | $960,670 | 30-Apr-09 | | Wells Fargo Advantage Diversified Small Cap Fd | 40,402 | .06 | $924,801 | 30-Sep-09 |
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Value shown is computed using the security's price on the report date given.
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