| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | RENAISSANCE TECHNOLOGIES, LLC | 2,191,000 | 5.37 | $65,730 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 1,110,166 | 2.72 | $33,304 | 30-Sep-09 | | BVF INC. | 5,470,388 | 13.42 | $164,111 | 30-Sep-09 | | Wealthtrust Axiom, LLC | 767,465 | 1.88 | $23,023 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 605,020 | 1.48 | $18,150 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 344,480 | .84 | $10,334 | 30-Sep-09 | | PNC FINANCIAL SERVICES GROUP, INC. | 325,377 | .80 | $9,761 | 30-Sep-09 | | BANK OF AMERICA CORPORATION | 175,800 | .43 | $5,274 | 30-Sep-09 | | TIAA CREF TRUST COMPANY FSB/MO | 132,347 | .32 | $3,970 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 69,423 | .17 | $2,776 | 30-Jun-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD EXTENDED MARKET INDEX FUND | 370,003 | .91 | $14,800 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 315,300 | .77 | $18,918 | 30-Apr-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 195,946 | .48 | $7,837 | 30-Jun-09 | | DFA U.S. SMALL CAP SERIES | 102,663 | .25 | $6,159 | 30-Apr-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 36,394 | .09 | $1,091 | 30-Sep-09 | | Principal Small Cap Value Fd II | 22,475 | .06 | $899 | 30-Jun-09 | | VANGUARD BALANCED INDEX FUND | 20,010 | .05 | $800 | 30-Jun-09 | | VANGUARD INSTITUTIONAL INDEX-INST TOTAL STOCK MARKET IND | 11,489 | .03 | $689 | 31-Mar-09 | | SPARTAN TOTAL MARKET INDEX FUND | 7,445 | .02 | $223 | 30-Sep-09 | | DFA Investment Dimensions-DFA VA U.S. Targeted Value Portfol | 6,600 | .02 | $264 | 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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