| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | MARXE, AUSTIN W. & GREENHOUSE, DAVID M. | 1,707,167 | 5.27 | $1,860,812 | 30-Sep-09 | | BANK OF AMERICA CORPORATION | 984,550 | 3.04 | $1,073,159 | 30-Sep-09 | | ADAGE CAPITAL PARTNERS GP, L.L.C. | 7,349,500 | 22.68 | $8,010,955 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 761,115 | 2.35 | $829,615 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 624,766 | 1.93 | $680,994 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 447,458 | 1.38 | $487,729 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 386,004 | 1.19 | $420,744 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 94,709 | .29 | $103,232 | 30-Sep-09 | | GMT CAPITAL CORP | 94,620 | .29 | $103,135 | 30-Sep-09 | | SPARK LP/DE | 57,700 | .18 | $62,893 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD EXTENDED MARKET INDEX FUND | 558,045 | 1.72 | $390,631 | 30-Jun-09 | | Columbia Fds Ser Tr I-Columbia Small Cap Core Fd | 428,053 | 1.32 | $299,637 | 30-Jun-09 | | DFA U.S. SMALL CAP VALUE SERIES | 373,705 | 1.15 | $302,701 | 31-Jul-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 185,915 | .57 | $130,140 | 30-Jun-09 | | DFA TAX-MANAGED U.S. SMALL CAP PORTFOLIO | 39,755 | .12 | $32,201 | 31-Jul-09 | | Ancora MicroCap Fd | 26,400 | .08 | $28,776 | 30-Sep-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 18,109 | .06 | $24,084 | 31-Oct-09 | | DFA U.S. Core Equity 2 Portfolio | 16,000 | .05 | $12,960 | 31-Jul-09 | | VANGUARD BALANCED INDEX FUND | 15,927 | .05 | $11,148 | 30-Jun-09 | | SPARTAN TOTAL MARKET INDEX FUND | 6,906 | .02 | $9,184 | 31-Oct-09 |
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Value shown is computed using the security's price on the report date given.
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