| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Price, Michael F. | 2,154,911 | 5.81 | 29,479,182 | Mar 31, 2013 | | Zesiger Capital Group LLC | 1,860,300 | 5.02 | 25,448,904 | Mar 31, 2013 | | Citadel Advisors LLC | 1,244,001 | 3.36 | 12,527,090 | Dec 31, 2012 | | Westfield Capital Management Company | 1,169,316 | 3.15 | 15,996,242 | Mar 31, 2013 | | Vanguard Group, Inc. (The) | 1,006,798 | 2.72 | 13,772,996 | Mar 31, 2013 | | Gagnon Securities, LLC | 984,228 | 2.66 | 13,464,239 | Mar 31, 2013 | | Weatherbie, M.A. & Co, Inc. | 977,570 | 2.64 | 9,844,129 | Dec 31, 2012 | | FMR LLC | 4,522,634 | 12.20 | 45,542,924 | Dec 31, 2012 | | Burgundy Asset Management Ltd. | 3,962,897 | 10.69 | 54,212,430 | Mar 31, 2013 | | BlackRock Institutional Trust Company, N.A. | 678,650 | 1.83 | 9,283,932 | Mar 31, 2013 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Fidelity Growth Strategies Fund | 650,000 | 1.75 | 8,892,000 | Mar 31, 2013 | | iShares Russell 2000 Index Fund | 382,130 | 1.03 | 5,227,538 | Mar 31, 2013 | | Harbor Small Cap Growth Fund | 369,957 | 1.00 | 5,061,011 | Mar 31, 2013 | | Vanguard Total Stock Market Index Fund | 309,142 | 0.83 | 3,113,059 | Dec 31, 2012 | | Vanguard Extended Market Index Fund | 236,391 | 0.64 | 2,380,457 | Dec 31, 2012 | | Advanced Series Tr-AST FI Pyramis Asset Allocation Port | 219,660 | 0.59 | 2,211,976 | Dec 31, 2012 | | MFS Series Trust VIII-MFS New Discovery Value Fund | 179,700 | 0.48 | 2,363,055 | Feb 28, 2013 | | Schwab Capital Trust-Small Cap Equity Fund | 176,700 | 0.48 | 2,118,633 | Jan 31, 2013 | | iShares Russell 2000 Value Index Fund | 172,272 | 0.46 | 2,356,680 | Mar 31, 2013 | | DFA U.S. Micro Cap Series | 145,800 | 0.39 | 1,748,142 | 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. |
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