| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | VANGUARD GROUP, INC. (THE) | 497,722 | .80 | $746,583 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 421,507 | .67 | $632,260 | 30-Sep-09 | | ARNHOLD & S. BLEICHRODER ADVISERS INC. | 418,175 | .67 | $627,262 | 30-Sep-09 | | UBS AG | 208,122 | .33 | $312,183 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 161,856 | .26 | $242,784 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 159,700 | .26 | $129,357 | 30-Jun-09 | | OAK ASSOCIATES | 117,400 | .19 | $176,100 | 30-Sep-09 | | BARCLAYS PLC | 105,070 | .17 | $157,605 | 30-Sep-09 | | CAMBRIDGE TRUST COMPANY | 50,000 | .08 | $75,000 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 38,250 | .06 | $30,982 | 30-Jun-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD EXTENDED MARKET INDEX FUND | 240,193 | .38 | $194,556 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 199,501 | .32 | $177,555 | 30-Apr-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 189,853 | .30 | $153,780 | 30-Jun-09 | | LIVE OAK HEALTH SCIENCES FUND | 64,244 | .10 | $72,595 | 31-Jul-09 | | DFA U.S. SMALL CAP SERIES | 63,406 | .10 | $56,431 | 30-Apr-09 | | SARATOGA ADVANTAGE TR-HEALTH & BIOTECHNOLOGY PORT | 53,156 | .09 | $58,471 | 31-Aug-09 | | VANGUARD INSTITUTIONAL INDEX-INST TOTAL STOCK MARKET IND | 23,958 | .04 | $28,510 | 31-Mar-09 | | VANGUARD BALANCED INDEX FUND | 13,426 | .02 | $10,875 | 30-Jun-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 7,957 | .01 | $11,935 | 30-Sep-09 | | SA FDS INV TR-U.S. SMALL COMPANY FD | 4,500 | .01 | $3,645 | 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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