| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Dimensional Fund Advisors LP | 838,825 | 5.99 | 12,179,739 | 2013-03-31 | | Wellington Management Company, LLP | 735,829 | 5.26 | 10,684,237 | 2013-03-31 | | Vanguard Group, Inc. (The) | 410,889 | 2.94 | 5,966,108 | 2013-03-31 | | BlackRock Institutional Trust Company, N.A. | 369,417 | 2.64 | 5,363,934 | 2013-03-31 | | Renaissance Technologies, LLC | 364,800 | 2.61 | 5,296,896 | 2013-03-31 | | BlackRock Fund Advisors | 297,888 | 2.13 | 4,325,333 | 2013-03-31 | | Allianz Asset Management AG | 226,000 | 1.61 | 3,281,520 | 2013-03-31 | | Perritt Capital Management, Inc. | 202,204 | 1.44 | 2,936,002 | 2013-03-31 | | CALPERS (California-Public Employees Retirement System) | 196,400 | 1.40 | 2,851,728 | 2013-03-31 | | State Street Corporation | 189,325 | 1.35 | 2,748,999 | 2013-03-31 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Vanguard Total Stock Market Index Fund | 218,181 | 1.56 | 2,168,719 | 2012-12-31 | | Perritt Microcap Opportunities Fund | 202,204 | 1.44 | 2,936,002 | 2013-03-31 | | DFA U.S. Small Cap Value Series | 199,204 | 1.42 | 2,115,546 | 2013-01-31 | | iShares Russell 2000 Index Fund | 186,434 | 1.33 | 2,707,021 | 2013-03-31 | | DFA U.S. Micro Cap Series | 113,051 | 0.81 | 1,200,601 | 2013-01-31 | | Vanguard Extended Market Index Fund | 97,289 | 0.70 | 967,052 | 2012-12-31 | | Bridgeway Funds Inc-Ultra Small Company Market Fund | 87,439 | 0.62 | 1,269,614 | 2013-03-31 | | iShares Russell 2000 Growth Index Fund | 83,411 | 0.60 | 1,211,127 | 2013-03-31 | | TFS Capital Investment Tr-Tfs Market Neutral Fund | 82,765 | 0.59 | 878,964 | 2013-01-31 | | DFA U.S. Targeted Value Portfolio | 68,115 | 0.49 | 723,381 | 2013-01-31 |
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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. |