| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Dimensional Fund Advisors LP | 1,633,967 | 5.00 | 4,803,862 | 31-Mar-2013 | | BlackRock Institutional Trust Company, N.A. | 1,438,564 | 4.41 | 4,229,378 | 31-Mar-2013 | | Vanguard Group, Inc. (The) | 898,884 | 2.75 | 2,642,718 | 31-Mar-2013 | | BlackRock Fund Advisors | 827,549 | 2.53 | 2,432,994 | 31-Mar-2013 | | Royce & Associates, LLC | 4,027,415 | 12.33 | 11,840,600 | 31-Mar-2013 | | Princeton Capital Management | 555,900 | 1.70 | 1,634,346 | 31-Mar-2013 | | State Street Corporation | 528,621 | 1.62 | 1,554,145 | 31-Mar-2013 | | Employees Retirement System of Texas | 450,000 | 1.38 | 1,323,000 | 31-Mar-2013 | | Northern Trust Corporation | 422,246 | 1.29 | 1,241,403 | 31-Mar-2013 | | Schroder Investment Management Group | 326,723 | 1.00 | 960,565 | 31-Mar-2013 |
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| Holder | Shares | % Out | Value* | Reported |
|---|
| Royce Micro-Cap Fund | 1,808,161 | 5.54 | 5,315,993 | 31-Mar-2013 | | Royce Capital Fund-Micro-Cap Portfolio | 1,032,947 | 3.16 | 3,036,864 | 31-Mar-2013 | | Royce Opportunity Fund | 629,230 | 1.93 | 1,849,936 | 31-Mar-2013 | | iShares Russell 2000 Index Fund | 508,629 | 1.56 | 1,459,765 | 30-Apr-2013 | | Vanguard Total Stock Market Index Fund | 429,847 | 1.32 | 1,263,750 | 31-Mar-2013 | | Vanguard Extended Market Index Fund | 339,489 | 1.04 | 998,097 | 31-Mar-2013 | | Adirondack Small Cap Fund | 288,999 | 0.89 | 849,657 | 31-Mar-2013 | | DFA U.S. Micro Cap Series | 285,411 | 0.87 | 793,442 | 31-Jan-2013 | | iShares Russell 2000 Value Index Fund | 248,611 | 0.76 | 713,513 | 30-Apr-2013 | | DFA U.S. Small Cap Value Series | 190,155 | 0.58 | 528,630 | 31-Jan-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. |