| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Guggenheim Capital, LLC | 2,724,856 | 7.92 | 21,117,634 | Dec 31, 2012 | | Dimensional Fund Advisors LP | 2,590,910 | 7.53 | 30,961,374 | Mar 31, 2013 | | Bank of New York Mellon Corporation | 2,420,057 | 7.04 | 28,919,681 | Mar 31, 2013 | | Royce & Associates, LLC | 1,628,283 | 4.74 | 19,457,981 | Mar 31, 2013 | | FMR LLC | 1,228,765 | 3.57 | 9,522,928 | Dec 31, 2012 | | Vanguard Group, Inc. (The) | 1,050,852 | 3.06 | 12,557,681 | Mar 31, 2013 | | BlackRock Institutional Trust Company, N.A. | 797,430 | 2.32 | 9,529,288 | Mar 31, 2013 | | BlackRock Fund Advisors | 698,330 | 2.03 | 8,345,043 | Mar 31, 2013 | | State Street Corporation | 549,039 | 1.60 | 6,561,016 | Mar 31, 2013 | | Invesco Ltd. | 537,741 | 1.56 | 4,167,492 | Dec 31, 2012 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Royce Opportunity Fund | 1,107,450 | 3.22 | 13,234,027 | Mar 31, 2013 | | Security Equity Fund-Mid Cap Value Series | 955,626 | 2.78 | 11,419,730 | Mar 31, 2013 | | Advantage Funds, Inc.-Dreyfus Opportunistic Small Cap Fund | 927,955 | 2.70 | 11,089,062 | Mar 31, 2013 | | DFA U.S. Small Cap Value Series | 830,698 | 2.42 | 6,770,188 | Jan 31, 2013 | | Fidelity Small Cap Opportunities Fund | 823,400 | 2.39 | 6,710,710 | Jan 31, 2013 | | Fidelity Select Portfolios - Chemicals | 526,087 | 1.53 | 6,286,739 | Mar 31, 2013 | | Vanguard Small-Cap Index Fund | 482,435 | 1.40 | 3,738,871 | Dec 31, 2012 | | iShares Russell 2000 Index Fund | 446,528 | 1.30 | 5,336,009 | Mar 31, 2013 | | Fidelity Stock Selector Small Cap Fund | 423,365 | 1.23 | 3,450,424 | Jan 31, 2013 | | Security Equity Fund-Mid Cap Value Institutional Series | 392,264 | 1.14 | 4,687,554 | Mar 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. |