| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | FMR LLC | 3,396,219 | 8.15 | $72,916,821 | 30-Sep-09 | | BLAIR (WILLIAM) & COMPANY, L.L.C. | 2,121,765 | 5.09 | $45,554,294 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,714,890 | 4.12 | $36,818,688 | 30-Sep-09 | | ARTIS CAPITAL MANAGEMENT, LLC | 1,472,775 | 3.53 | $31,620,479 | 30-Sep-09 | | JENNISON ASSOCIATES LLC | 1,467,034 | 3.52 | $31,497,219 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,454,495 | 3.49 | $31,228,007 | 30-Sep-09 | | CITADEL LIMITED PARTNERSHIP | 1,276,338 | 3.06 | $27,402,976 | 30-Sep-09 | | FRIESS ASSOCIATES INC | 1,201,600 | 2.88 | $25,798,352 | 30-Sep-09 | | TCW GROUP, INC. (THE) | 1,157,748 | 2.78 | $24,856,849 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 1,017,700 | 2.44 | $21,850,019 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | FIDELITY SELECT PORTFOLIOS - TECHNOLOGY | 1,179,593 | 2.83 | $25,325,861 | 30-Sep-09 | | JENNISON SMALL COMPANY FUND | 725,800 | 1.74 | $15,582,926 | 30-Sep-09 | | PRICE (T.ROWE) NEW HORIZONS FUND | 607,400 | 1.46 | $13,040,878 | 30-Sep-09 | | ISHARES RUSSELL 2000 INDEX FD | 532,969 | 1.28 | $11,442,844 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 451,737 | 1.08 | $7,593,698 | 30-Jun-09 | | BLAIR (WILLIAM) MUTUAL FUNDS, INC.-SMALL CAP GROWTH FUND | 419,600 | 1.01 | $9,008,812 | 30-Sep-09 | | EVERGREEN GROWTH FUND | 409,600 | .98 | $6,885,376 | 30-Jun-09 | | FIDELITY ADVISOR TECHNOLOGY FUND | 407,831 | .98 | $8,756,131 | 30-Sep-09 | | Fidelity Asset Manager 50% | 398,402 | .96 | $8,553,690 | 30-Sep-09 | | Fidelity Select Portfolios-Select Communications Equipment | 373,146 | .90 | $8,011,444 | 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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