| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | DIMENSIONAL FUND ADVISORS LP | 1,276,280 | 4.14 | $7,976,750 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,081,386 | 3.50 | $6,758,662 | 30-Sep-09 | | Invesco Ltd. | 621,262 | 2.01 | $3,882,887 | 30-Sep-09 | | SHUFRO, ROSE & CO., LLC | 590,600 | 1.91 | $3,691,250 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 562,240 | 1.82 | $3,514,000 | 30-Sep-09 | | STATE STREET CORPORATION | 470,623 | 1.53 | $2,941,393 | 30-Sep-09 | | ESSEX INVESTMENT MANAGEMENT CO INC | 388,223 | 1.26 | $2,426,393 | 30-Sep-09 | | PUTNAM INVESTMENT MANAGEMENT, LLC | 339,688 | 1.10 | $2,123,050 | 30-Sep-09 | | GAGNON SECURITIES, LLC | 311,813 | 1.01 | $1,948,831 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 237,481 | .77 | $1,384,514 | 30-Jun-09 |
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| Holder | Shares | % Out | Value* | Reported | | JOHN HANCOCK SMALL CAP EQUITY FUND | 464,971 | 1.51 | $1,994,725 | 31-Oct-09 | | Powershares Exgh Traded Fd Tr-Powershares Lux Nanotech Port | 399,528 | 1.29 | $2,588,941 | 31-Jul-09 | | ISHARES RUSSELL 2000 INDEX FD | 378,322 | 1.23 | $2,364,512 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 318,417 | 1.03 | $1,856,371 | 30-Jun-09 | | DFA U.S. SMALL CAP VALUE SERIES | 269,528 | .87 | $1,304,515 | 30-Apr-09 | | Powershares Exhg Traded Fd-Powershares Listed Private Equity | 243,741 | .79 | $1,579,441 | 31-Jul-09 | | ISHARES RUSSELL 2000 VALUE INDEX FD | 217,285 | .70 | $1,358,031 | 30-Sep-09 | | VANGUARD VARIABLE INSURANCE FUND-SMALL COMPANY GROWTH | 197,150 | .64 | $1,149,384 | 30-Jun-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 188,350 | .61 | $1,098,080 | 30-Jun-09 | | DFA Tax Managed U.S. Targeted Value Port | 152,503 | .49 | $988,219 | 31-Jul-09 |
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Value shown is computed using the security's price on the report date given.
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