| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| RS Investment Management Co., LLC | 1,963,879 | 6.66 | 79,046,129 | Mar 31, 2013 | | NWQ Investment Management Company, LLC | 1,505,465 | 5.11 | 60,594,966 | Mar 31, 2013 | | Vanguard Group, Inc. (The) | 1,440,907 | 4.89 | 57,996,506 | Mar 31, 2013 | | Wellington Management Company, LLP | 1,404,711 | 4.77 | 56,539,617 | Mar 31, 2013 | | Fisher Investments, Inc. | 1,115,529 | 3.78 | 44,900,042 | Mar 31, 2013 | | Pictet Asset Management Ltd | 1,057,904 | 3.59 | 42,580,636 | Mar 31, 2013 | | Champlain Investment Partners, LLC | 951,805 | 3.23 | 38,310,151 | Mar 31, 2013 | | Dimensional Fund Advisors LP | 790,539 | 2.68 | 31,819,194 | Mar 31, 2013 | | Ameriprise Financial, Inc. | 787,698 | 2.67 | 31,704,844 | Mar 31, 2013 | | Prudential PLC | 3,913,101 | 13.27 | 157,502,315 | Mar 31, 2013 |
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| Holder | Shares | % Out | Value* | Reported |
|---|
| RS Investment Trust-Partners Fund | 482,128 | 1.64 | 19,405,652 | Mar 31, 2013 | | iShares Russell 2000 Index Fund | 399,047 | 1.35 | 16,340,974 | Apr 30, 2013 | | Vanguard Small-Cap Index Fund | 376,488 | 1.28 | 15,153,642 | Mar 31, 2013 | | Goldman Sachs Small Cap Value Fund | 372,213 | 1.26 | 14,981,573 | Mar 31, 2013 | | Vanguard Total Stock Market Index Fund | 369,871 | 1.25 | 14,887,307 | Mar 31, 2013 | | Fidelity Small Cap Growth Fund | 355,000 | 1.20 | 13,635,550 | Jan 31, 2013 | | Vanguard Small-Cap Growth Index Fund | 318,582 | 1.08 | 12,822,925 | Mar 31, 2013 | | Hartford Small Company HLS Fund, Inc. | 305,107 | 1.04 | 11,868,662 | Feb 28, 2013 | | Columbia Fds Ser Tr I-Columbia Small Cap Growth Fd | 298,311 | 1.01 | 11,604,297 | Feb 28, 2013 | | CRM Mutual Fd Tr-Small Cap Value Fd | 297,250 | 1.01 | 11,964,312 | 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. |
1.35%