| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Dimensional Fund Advisors LP | 487,397 | 5.89 | 1,632,779 | Mar 31, 2013 | | Vanguard Group, Inc. (The) | 119,932 | 1.45 | 401,772 | Mar 31, 2013 | | BlackRock Institutional Trust Company, N.A. | 83,953 | 1.01 | 281,242 | Mar 31, 2013 | | UBS AG | 73,350 | 0.89 | 245,722 | Mar 31, 2013 | | Renaissance Technologies, LLC | 50,200 | 0.61 | 168,170 | Mar 31, 2013 | | LSV Asset Management | 42,154 | 0.51 | 141,215 | Mar 31, 2013 | | CALPERS (California-Public Employees Retirement System) | 25,200 | 0.30 | 84,420 | Mar 31, 2013 | | Northern Trust Corporation | 22,031 | 0.27 | 73,803 | Mar 31, 2013 | | Geode Capital Management, LLC | 14,145 | 0.17 | 47,385 | Mar 31, 2013 | | Bank of New York Mellon Corporation | 12,845 | 0.16 | 43,030 | Mar 31, 2013 |
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| Holder | Shares | % Out | Value* | Reported |
|---|
| DFA U.S. Small Cap Value Series | 142,853 | 1.73 | 485,700 | Jan 31, 2013 | | Vanguard Total Stock Market Index Fund | 69,987 | 0.85 | 232,356 | Dec 31, 2012 | | DFA U.S. Micro Cap Series | 68,834 | 0.83 | 234,035 | Jan 31, 2013 | | Vanguard Extended Market Index Fund | 46,909 | 0.57 | 155,737 | Dec 31, 2012 | | DFA U.S. Small Cap Series | 32,713 | 0.40 | 111,224 | Jan 31, 2013 | | DFA Tax Managed U.S. Targeted Value Port | 24,887 | 0.30 | 84,615 | Jan 31, 2013 | | DFA U.S. Targeted Value Portfolio | 21,188 | 0.26 | 72,039 | Jan 31, 2013 | | Spartan Extended Market Index Fund | 11,298 | 0.14 | 37,848 | Mar 31, 2013 | | DFA U.S. Core Equity 2 Portfolio | 10,714 | 0.13 | 36,427 | Jan 31, 2013 | | DFA Tax-Managed U.S. Small Cap Portfolio | 8,064 | 0.10 | 27,417 | Jan 31, 2013 |
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View Transactions for Insiders & Institutional Holders Value shown is computed using the security's price on the report date given. Currency in USD. |