| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | BAMCO INC. | 4,892,550 | 8.22 | $151,962,603 | 30-Sep-09 | | COLUMBIA WANGER ASSET MANAGEMENT, L.P. | 1,754,000 | 2.95 | $54,479,240 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 1,682,674 | 2.83 | $52,263,854 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,544,812 | 2.60 | $47,981,860 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,277,828 | 2.15 | $39,689,337 | 30-Sep-09 | | Invesco Ltd. | 1,192,937 | 2.00 | $37,052,623 | 30-Sep-09 | | GOLDMAN SACHS GROUP INC | 877,548 | 1.47 | $27,256,640 | 30-Sep-09 | | ALGER (FRED) MANAGEMENT INC | 796,310 | 1.34 | $24,733,388 | 30-Sep-09 | | CITADEL LIMITED PARTNERSHIP | 636,422 | 1.07 | $19,767,267 | 30-Sep-09 | | ATLANTA CAPITAL MANAGEMENT COMPANY LLC | 500,499 | .84 | $15,545,498 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | BARON GROWTH FUND | 3,000,000 | 5.04 | $79,830,000 | 30-Jun-09 | | COLUMBIA ACORN FD | 1,700,000 | 2.86 | $45,237,000 | 30-Jun-09 | | BARON ASSET FUND | 850,000 | 1.43 | $22,618,500 | 30-Jun-09 | | Aston/Tamro Small Cap Fund | 414,709 | .70 | $11,549,645 | 31-Jul-09 | | VANGUARD SMALL-CAP INDEX FUND | 408,215 | .69 | $10,862,601 | 30-Jun-09 | | SMALLCAP WORLD FUND | 400,000 | .67 | $10,644,000 | 30-Jun-09 | | ING PARTNERS INC.-ING BARON SMALL CAP GROWTH PORT | 350,000 | .59 | $9,313,500 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 317,713 | .53 | $8,454,342 | 30-Jun-09 | | AIM SMALL CAP GROWTH FUND | 283,364 | .48 | $8,801,285 | 30-Sep-09 | | SENTINEL SMALL COMPANY FUND | 270,000 | .45 | $8,386,200 | 30-Sep-09 |
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Value shown is computed using the security's price on the report date given.
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1.48% Nasdaq 
Major Holders
