| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | PALO ALTO INVESTORS, LLC | 1,441,417 | 5.41 | $29,390,492 | 30-Sep-09 | | HUSSMAN ECONOMETRICS ADVISORS, INC. | 1,060,000 | 3.98 | $21,613,400 | 30-Sep-09 | | PIONEER INVESTMENT MANAGEMENT INC. | 591,400 | 2.22 | $12,058,646 | 30-Sep-09 | | GAMCO INVESTORS INC | 489,510 | 1.84 | $9,981,108 | 30-Sep-09 | | GABELLI FUNDS, LLC | 263,500 | .99 | $5,372,765 | 30-Sep-09 | | American Capital Management, Inc. | 197,230 | .74 | $4,021,519 | 30-Sep-09 | | Ameriprise Financial, Inc. | 71,300 | .27 | $1,453,807 | 30-Sep-09 | | Geduld, Emanuel, E. | 55,000 | .21 | $1,121,450 | 30-Sep-09 | | WESTFIELD CAPITAL MANAGEMENT COMPANY | 52,500 | .20 | $1,070,475 | 30-Sep-09 | | COLORADO PUBLIC EMPLOYEES RETIREMENT ASSN (PERA) | 32,900 | .12 | $670,831 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | Fidelity Growth Strategies Fund | 2,658,403 | 9.98 | $50,509,657 | 31-Oct-09 | | SMALLCAP WORLD FUND | 1,270,000 | 4.77 | $25,895,300 | 30-Sep-09 | | HUSSMAN INVESTMENT TRUST-HUSSMAN STRATEGIC GROWTH FUND | 1,060,000 | 3.98 | $21,613,400 | 30-Sep-09 | | Fidelity Advisor Mid Cap Growth Fund | 640,079 | 2.40 | $12,161,501 | 31-Oct-09 | | Pioneer Growth Opportunities Fund | 492,800 | 1.85 | $10,048,192 | 30-Sep-09 | | AMERICAN FDS INSURANCE SER-GLOBAL SMALL CAPITALIZATION F | 470,000 | 1.77 | $9,583,300 | 30-Sep-09 | | PRICE (T.ROWE) NEW HORIZONS FUND | 469,892 | 1.76 | $9,581,097 | 30-Sep-09 | | PRICE (T.ROWE) HEALTH SCIENCES FUND | 350,000 | 1.31 | $3,780,000 | 30-Jun-09 | | FIDELITY SELECT PORTFOLIOS - MEDICAL EQUIPMENT & SYSTEMS | 280,000 | 1.05 | $5,320,000 | 31-Oct-09 | | EQ Advisors Trust-EQ/GAMCO Small Company Value Portfolio | 170,000 | .64 | $1,836,000 | 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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0.12% Nasdaq 
0.29%
Major Holders
