| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Columbia Wanger Asset Management, L.P. | 14,157,089 | 5.81 | 613,851,379 | Mar 31, 2013 | | Price (T.Rowe) Associates Inc | 12,847,059 | 5.28 | 557,048,478 | Mar 31, 2013 | | Vanguard Group, Inc. (The) | 12,087,574 | 4.96 | 524,117,208 | Mar 31, 2013 | | FMR, LLC | 10,234,993 | 4.20 | 443,789,296 | Mar 31, 2013 | | Jennison Associates LLC | 8,950,082 | 3.68 | 388,075,555 | Mar 31, 2013 | | Wellington Management Company, LLP | 7,855,240 | 3.23 | 340,603,206 | Mar 31, 2013 | | State Street Corporation | 7,712,821 | 3.17 | 334,427,918 | Mar 31, 2013 | | BlackRock Institutional Trust Company, N.A. | 6,393,214 | 2.63 | 277,209,759 | Mar 31, 2013 | | BlackRock Fund Advisors | 5,789,105 | 2.38 | 251,015,592 | Mar 31, 2013 | | ING Investment Management Company | 5,272,601 | 2.17 | 228,619,979 | Mar 31, 2013 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Columbia Acorn Fund | 10,125,000 | 4.16 | 380,396,250 | Dec 31, 2012 | | Price (T.Rowe) Mid Cap Growth Fund | 8,000,000 | 3.28 | 346,880,000 | Mar 31, 2013 | | Prudential Jennison Mid-Cap Growth Fd | 4,307,346 | 1.77 | 186,766,522 | Mar 31, 2013 | | Vanguard Total Stock Market Index Fund | 3,240,974 | 1.33 | 121,763,393 | Dec 31, 2012 | | Vanguard Mid-Cap Index Fund | 3,167,067 | 1.30 | 118,986,707 | Dec 31, 2012 | | JP Morgan Mid Cap Value Fund | 3,046,550 | 1.25 | 132,098,408 | Mar 31, 2013 | | iShares Core S&P Midcap Index Fund | 2,743,361 | 1.13 | 118,952,132 | Mar 31, 2013 | | SPDR S&P Mid Cap 400 ETF Trust | 2,158,725 | 0.89 | 87,881,694 | Apr 30, 2013 | | Vanguard Extended Market Index Fund | 2,001,542 | 0.82 | 75,197,932 | Dec 31, 2012 | | Eaton Vance-Atlanta Capital SMID-Cap Port | 1,995,206 | 0.82 | 74,959,889 | Dec 31, 2012 |
|
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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