| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| BlackRock Institutional Trust Company, N.A. | 518,666 | 3.98 | 1,078,825 | Mar 31, 2013 | | Vanguard Group, Inc. (The) | 267,147 | 2.05 | 555,665 | Mar 31, 2013 | | Dimensional Fund Advisors LP | 106,236 | 0.81 | 220,970 | Mar 31, 2013 | | CALPERS (California-Public Employees Retirement System) | 71,182 | 0.55 | 148,058 | Mar 31, 2013 | | UBS AG | 27,250 | 0.21 | 56,680 | Mar 31, 2013 | | Northern Trust Corporation | 21,843 | 0.17 | 45,433 | Mar 31, 2013 | | Knight Capital Group, Inc. | 22,782 | 0.17 | 47,386 | Mar 31, 2013 | | Citadel Advisors LLC | 18,865 | 0.14 | 39,239 | Mar 31, 2013 | | Geode Capital Management, LLC | 16,923 | 0.13 | 35,199 | Mar 31, 2013 | | Bank of New York Mellon Corporation | 16,257 | 0.12 | 33,814 | Mar 31, 2013 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Vanguard Extended Market Index Fund | 195,681 | 1.50 | 504,856 | Dec 31, 2012 | | DFA U.S. Micro Cap Series | 45,629 | 0.35 | 123,198 | Jan 31, 2013 | | AQR Funds-AQR Small Cap Momentum Fd | 18,600 | 0.14 | 47,988 | Dec 31, 2012 | | iShares Russell Micro Cap (TM) Index Fund | 16,152 | 0.12 | 33,596 | Mar 31, 2013 | | Spartan Extended Market Index Fund | 11,555 | 0.09 | 24,034 | Mar 31, 2013 | | DFA U.S. Small Cap Series | 10,018 | 0.08 | 27,048 | Jan 31, 2013 | | Spartan Total Market Index Fund | 5,368 | 0.04 | 11,165 | Mar 31, 2013 | | Claymore ETF Tr-Wilshire Micro Cap ETF | 3,759 | 0.03 | 7,818 | Mar 31, 2013 | | DFA U.S. Core Equity 2 Portfolio | 3,300 | 0.03 | 8,910 | Jan 31, 2013 | | DFA U.S. Vector Equity Portfolio | 3,000 | 0.02 | 8,100 | 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. |
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