| Company | Shares | %Out | Value ($)
| Reported | Change | | UBS O'Connor LLC | 100,000 | .23 | 4,885,000 | 3/31/2013 | 100,000 | | UBS Global Asset Management (Switzerland) | 27,800 | .06 | 1,358,030 | 3/31/2013 | 27,800 | | Northwestern Mutual Wealth Management Co. | 6,931 | .02 | 338,579 | 3/31/2013 | 6,931 | | DIAM U.S.A. Inc. | 6,200 | .01 | 302,870 | 3/31/2013 | 6,200 | | Allstate Investment Management Co. | 3,780 | .01 | 184,653 | 3/31/2013 | 3,780 | | General Motors Asset Management | 13,691 | .03 | 668,805 | 3/31/2013 | 13,691 | | Synovus Securities Inc. | 148 | .00 | 7,230 | 3/31/2013 | 148 | | Tewksbury Capital Management Ltd. | 21,743 | .05 | 1,062,146 | 3/31/2013 | 21,743 | | Santa Fe Partners LLC | 5,862 | .01 | 286,359 | 3/31/2013 | 5,862 | | Century Capital Management LLC | 160,000 | .36 | 7,816,000 | 3/31/2013 | 160,000 | | Advanced Investment Partners LLC | 10,407 | .02 | 508,382 | 3/31/2013 | 10,407 | | Fiduciary Management Associates LLC | 136,180 | .31 | 6,652,393 | 3/31/2013 | 136,180 | | Neuberger Berman LLC | 4,325 | .01 | 211,276 | 3/31/2013 | 4,325 | | Robeco Asset Management | 578,045 | 1.31 | 28,237,498 | 3/31/2013 | 578,045 | | Susquehanna Financial Group LLLP | 6,658 | .02 | 325,243 | 3/31/2013 | 6,658 | | A.R.T. Advisors LLC | 10,263 | .02 | 501,348 | 3/31/2013 | 10,263 | | Citadel Advisors LLC | 122,005 | .28 | 5,959,944 | 3/31/2013 | 122,005 | | Jefferies Capital Management Inc. | 6,312 | .01 | 308,341 | 3/31/2013 | 6,312 | | Merrill Lynch International | 151 | .00 | 7,376 | 3/31/2013 | 151 | | Millennium Management LLC | 35,009 | .08 | 1,710,190 | 3/31/2013 | 35,009 | | S.A.C. Capital Advisors LP | 5,349 | .01 | 261,299 | 3/31/2013 | 5,349 | | Highbridge Capital Management LLC | 100,595 | .23 | 4,914,066 | 3/31/2013 | 100,595 | | Tower Research Capital LLC | 1,999 | .00 | 97,651 | 3/31/2013 | 1,999 | | Commonwealth Equity Services, Inc. | 5,528 | .01 | 270,043 | 3/31/2013 | 5,528 | | AXA Rosenberg Investment Management Ltd. (UK) | 14,400 | .03 | 703,440 | 12/31/2012 | 14,400 | | Dalton Strategic Partnership LLP | 35,572 | .08 | 1,737,692 | 6/30/2012 | 35,572 | | Rows 1 through 26 of 26 |
|
