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MARSHALL & ILSLEY CORP
> GPOR
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2011 | GULFPORT ENERGY CORP | GPOR | 2,124,308 | 303,364 | 63,071,000 | -2,720,000 | $29.69 |
| 03/31/2011 | GULFPORT ENERGY CORP | GPOR | 1,820,944 | 665,434 | 65,791,000 | 40,740,000 | $36.13 |
| 12/31/2010 | GULFPORT ENERGY CORP | GPOR | 1,155,510 | 1,155,510 | 25,051,000 | 25,051,000 | $21.68 |
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