| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | WELLINGTON MANAGEMENT COMPANY, LLP | 2,119,604 | 7.69 | $12,293,703 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,446,839 | 5.25 | $8,391,666 | 30-Sep-09 | | BURNHAM ASSET MANAGEMENT CORPORATION | 1,354,481 | 4.91 | $7,855,989 | 30-Sep-09 | | BROWN CAPITAL MANAGEMENT, INC. | 1,260,883 | 4.57 | $7,313,121 | 30-Sep-09 | | AXA | 1,184,795 | 4.30 | $6,871,811 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 1,170,109 | 4.25 | $6,786,632 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 1,087,500 | 3.95 | $6,307,500 | 30-Sep-09 | | NEUBERGER BERMAN GROUP, LLC | 986,993 | 3.58 | $5,724,559 | 30-Sep-09 | | S SQUARED TECHNOLOGY CORP. | 964,712 | 3.50 | $5,595,329 | 30-Sep-09 | | GOLDMAN SACHS GROUP INC | 934,192 | 3.39 | $5,418,313 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | Powershares Exgh Traded Fd Tr-Powershares Lux Nanotech Port | 433,968 | 1.57 | $2,603,808 | 31-Jul-09 | | DFA U.S. SMALL CAP VALUE SERIES | 407,970 | 1.48 | $1,835,865 | 30-Apr-09 | | ISHARES RUSSELL 2000 INDEX FD | 401,490 | 1.46 | $2,328,642 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 364,048 | 1.32 | $2,151,523 | 30-Jun-09 | | Goldman Sachs Structured Small Cap Equity Fund | 363,527 | 1.32 | $2,181,162 | 31-Jul-09 | | DFA U.S. MICRO CAP SERIES | 271,677 | .99 | $1,222,546 | 30-Apr-09 | | VANGUARD EXPLORER FUND, INC. | 270,544 | .98 | $1,623,264 | 31-Jul-09 | | BROWN CAPITAL MANAGEMENT SMALL COMPANY FUND | 245,978 | .89 | $1,453,729 | 30-Jun-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 226,098 | .82 | $1,336,239 | 30-Jun-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 210,022 | .76 | $1,218,127 | 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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