| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Artisan Partners Limited Partnership | 4,036,600 | 7.77 | 23,291,182 | Mar 31, 2013 | | Hirzel Capital Management, LLC | 2,513,693 | 4.84 | 14,504,008 | Mar 31, 2013 | | Dimensional Fund Advisors LP | 2,214,325 | 4.26 | 12,776,655 | Mar 31, 2013 | | LSV Asset Management | 2,099,993 | 4.04 | 12,116,959 | Mar 31, 2013 | | Acadian Asset Management | 2,033,059 | 3.92 | 11,730,750 | Mar 31, 2013 | | AllianceBernstein, L.P. | 1,936,738 | 3.73 | 11,174,978 | Mar 31, 2013 | | Schroder Investment Management Group | 1,930,900 | 3.72 | 11,141,293 | Mar 31, 2013 | | Towle & Company | 1,860,217 | 3.58 | 10,733,452 | Mar 31, 2013 | | Vanguard Group, Inc. (The) | 1,807,052 | 3.48 | 10,426,690 | Mar 31, 2013 | | Nokota Management, LP | 1,746,115 | 3.36 | 10,075,083 | Mar 31, 2013 |
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| Holder | Shares | % Out | Value* | Reported |
|---|
| Artisan Small Cap Value Fund | 2,701,800 | 5.20 | 17,750,826 | Dec 31, 2012 | | Heartland Value Fund | 1,250,000 | 2.41 | 7,212,500 | Mar 31, 2013 | | iShares Russell 2000 Index Fund | 823,402 | 1.59 | 4,751,029 | Mar 31, 2013 | | Vanguard Small-Cap Index Fund | 811,011 | 1.56 | 5,328,342 | Dec 31, 2012 | | Vanguard Total Stock Market Index Fund | 634,030 | 1.22 | 4,165,577 | Dec 31, 2012 | | DFA U.S. Micro Cap Series | 478,445 | 0.92 | 2,760,627 | Jan 31, 2013 | | TFS Capital Investment Tr-Tfs Market Neutral Fund | 439,865 | 0.85 | 2,538,021 | Jan 31, 2013 | | Vanguard Extended Market Index Fund | 380,885 | 0.73 | 2,502,414 | Dec 31, 2012 | | Vanguard Small Cap Value Index Fund | 295,970 | 0.57 | 1,944,522 | Dec 31, 2012 | | DFA U.S. Targeted Value Portfolio | 277,306 | 0.53 | 1,600,055 | 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. |