| Top Holders
| | | Shares Held | % O/S | Share Change | Filing Date | | Advisory Research, Inc. | 2,084,072 | 11.4 | -57,894 | 03/31/13 | | Dimensional Fund Advisors, LP | 1,690,384 | 9.2 | -133 | 03/31/13 | | BlackRock Institutional Trust Company, N.A. | 1,596,336 | 8.7 | 34,117 | 03/31/13 | | Gabelli Funds, LLC | 1,365,101 | 7.4 | 415,980 | 03/31/13 | | Private Capital Management, LP | 808,154 | 4.4 | -112,631 | 03/31/13 | | The Vanguard Group, Inc. | 720,571 | 3.9 | -420,465 | 03/31/13 | | Nordea Investment Management (Denmark) | 475,633 | 2.6 | -81,785 | 03/31/13 | | Northern Trust Investments, N.A. | 448,299 | 2.4 | 25,103 | 03/31/13 | | State Street Global Advisors (US) | 439,205 | 2.4 | 14,106 | 03/31/13 | | Acadian Asset Management LLC | 365,822 | 2.0 | -15,268 | 03/31/13 |
|
