| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Northpointe Capital LLC | 1,804,076 | 6.66 | 1,082,445 | Mar 31, 2013 | | PA Commonwealth of Public School Employees Retirement Sy | 985,347 | 3.64 | 591,208 | Mar 31, 2013 | | Dimensional Fund Advisors LP | 775,255 | 2.86 | 465,153 | Mar 31, 2013 | | Oppenheimer & Close, Inc. | 359,624 | 1.33 | 215,774 | Mar 31, 2013 | | GRT Capital Partners, LLC | 211,000 | 0.78 | 126,600 | Mar 31, 2013 | | Bridgeway Capital Management, Inc. | 190,461 | 0.70 | 114,276 | Mar 31, 2013 | | RBF Capital, LLC | 167,053 | 0.62 | 100,231 | Mar 31, 2013 | | Renaissance Technologies, LLC | 109,800 | 0.41 | 65,880 | Mar 31, 2013 | | CALPERS (California-Public Employees Retirement System) | 90,000 | 0.33 | 54,000 | Mar 31, 2013 | | Shaw D.E. & Co., Inc. | 79,686 | 0.29 | 47,811 | Mar 31, 2013 |
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| Holder | Shares | % Out | Value* | Reported |
|---|
| DFA U.S. Micro Cap Series | 238,421 | 0.88 | 150,205 | Jan 31, 2013 | | Bridgeway Funds Inc-Ultra Small Company Market Fund | 118,761 | 0.44 | 71,256 | Mar 31, 2013 | | DFA U.S. Small Cap Series | 92,274 | 0.34 | 58,132 | Jan 31, 2013 | | Bridgeway Fds Inc-Omni Small Cap Value Fund | 71,200 | 0.26 | 42,720 | Mar 31, 2013 | | DFA Tax-Managed U.S. Small Cap Portfolio | 61,009 | 0.23 | 38,435 | Jan 31, 2013 | | DFA U.S. Targeted Value Portfolio | 46,727 | 0.17 | 29,438 | Jan 31, 2013 | | Spartan Extended Market Index Fund | 44,577 | 0.16 | 26,746 | Mar 31, 2013 | | iShares Russell Micro Cap (TM) Index Fund | 33,860 | 0.13 | 20,316 | Mar 31, 2013 | | DFA U.S. Core Equity 2 Portfolio | 27,850 | 0.10 | 17,545 | Jan 31, 2013 | | DFA U.S. Vector Equity Portfolio | 25,261 | 0.09 | 15,914 | 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. |