| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 3 | G-Force | $240,471 | -2.7% | 44 | -1 | $5,465 | $970,543 | 3 | Walt Disney Pictures | false | false |
| 2 | 1 | Ice Age: Dawn of the Dinosaurs | $215,515 | -24.8% | 50 | - | $4,310 | $6,782,421 | 6 | 20th Century Fox International | false | false |
| 3 | - | G.I. Joe: The Rise of Cobra | $158,601 | - | 43 | - | $3,688 | $158,601 | 1 | United International Pictures | true | false |
| 4 | 2 | Harry Potter and the Half-Blood Prince | $118,421 | -52.8% | 45 | -1 | $2,631 | $3,422,163 | 4 | Warner Bros. | false | false |
| 5 | - | Shorts | $89,762 | - | 30 | - | $2,992 | $89,762 | 1 | Warner Bros. | true | false |
| 6 | 4 | Public Enemies | $88,629 | -41% | 33 | - | $2,685 | $288,017 | 2 | United International Pictures | false | false |
| 7 | - | The Proposal | $79,783 | - | 25 | - | $3,191 | $81,063 | 1 | Walt Disney Pictures | true | false |
| 8 | 5 | Grade 3 | $39,204 | -57.1% | 32 | -9 | $1,225 | $1,126,956 | 5 | N/A | false | false |
| 9 | 6 | Up | $38,950 | -43.6% | 26 | -7 | $1,498 | $3,718,400 | 9 | Walt Disney Pictures | false | false |
| 10 | 8 | Then She Found Me | $4,373 | -75.7% | 4 | -5 | $1,093 | $17,604 | 2 | N/A | false | false |
| 11 | 7 | Transformers: Revenge of the Fallen | $4,241 | -79.8% | 3 | -12 | $1,413 | $2,042,508 | 7 | United International Pictures | false | false |
| 12 | 9 | Summer Hours | $3,825 | -51.3% | 2 | -1 | $1,912 | $96,129 | 6 | Transeuropa | false | false |
