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| Company | Shares | %Out | Value ($)
| Reported | Change | | Denver Investment Advisors LLC | 768,220 | 1.44 | 19,082,585 | 3/31/2013 | 768,220 | | AQR Capital Management LLC | 554,635 | 1.04 | 13,777,133 | 3/31/2013 | 554,635 | | WCM Investment Management | 448,300 | .84 | 11,135,772 | 12/31/2012 | 448,300 | | PDT Partners LLC | 58,421 | .11 | 1,451,178 | 3/31/2013 | 58,421 | | Millennium Management LLC | 56,202 | .11 | 1,396,058 | 3/31/2013 | 56,202 | | D. E. Shaw & Co. LP | 55,973 | .10 | 1,390,369 | 3/31/2013 | 55,973 | | Susquehanna Financial Group LLLP | 50,145 | .09 | 1,245,602 | 3/31/2013 | 50,145 | | Leuthold Group LLC | 48,698 | .09 | 1,209,658 | 3/31/2013 | 48,698 | | AMP Capital Investors Ltd. | 43,328 | .08 | 1,076,268 | 3/31/2013 | 43,328 | | Dean Capital Management LLC | 40,773 | .08 | 1,012,801 | 3/31/2013 | 40,773 | | Neuberger Berman LLC | 37,823 | .07 | 939,523 | 3/31/2013 | 37,823 | | UBS Global Asset Management (Switzerland) | 35,300 | .07 | 876,852 | 3/31/2013 | 35,300 | | Martingale Asset Management LP | 30,912 | .06 | 767,854 | 3/31/2013 | 30,912 | | Manulife Asset Management (US) LLC | 23,164 | .04 | 575,394 | 3/31/2013 | 23,164 | | Nine Chapters Capital Management LLC | 17,500 | .03 | 434,700 | 3/31/2013 | 17,500 | | Spark Investment Management LLC | 17,500 | .03 | 434,700 | 3/31/2013 | 17,500 | | Gargoyle Investment Advisor L.L.C. | 16,859 | .03 | 418,778 | 3/31/2013 | 16,859 | | Butterfield Asset Management Ltd. | 16,800 | .03 | 417,312 | 6/30/2011 | 16,800 | | Gotham Asset Management LP | 13,517 | .03 | 335,762 | 3/31/2013 | 13,517 | | Tewksbury Capital Management Ltd. | 12,621 | .02 | 313,506 | 3/31/2013 | 12,621 | | Capital One Asset Management LLC | 12,541 | .02 | 311,518 | 3/31/2013 | 12,541 | | Knight Capital Americas LLC | 9,104 | .02 | 226,143 | 3/31/2013 | 9,104 | | Babson Capital Management LLC | 8,700 | .02 | 216,108 | 3/31/2013 | 8,700 | | Campbell & Co. Investment Adviser LLC | 8,385 | .02 | 208,283 | 3/31/2013 | 8,385 | | Cornercap Investment Counsel Inc. | 7,900 | .01 | 196,236 | 3/31/2013 | 7,900 | | RBC Dominion Securities Inc. | 5,900 | .01 | 146,556 | 3/31/2013 | 5,900 | | US Trust Bank of America Pvt. Wealth Management | 2,000 | .00 | 49,680 | 3/31/2013 | 2,000 | | PNC Capital Advisors LLC | 806 | .00 | 20,021 | 3/31/2013 | 806 | | UBS Securities LLC | 347 | .00 | 8,619 | 3/31/2013 | 347 | | Goldman Sachs Asset Management Co. Ltd. | 308 | .00 | 7,651 | 11/30/2012 | 308 | | Rows 1 through 30 of 30 |
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