LOS ANGELES – Bradley Cooper's sci-fi thriller "Limitless" opened as the weekend's No. 1 movie with $18.9 million.

The top 20 movies at U.S. and Canadian theaters Friday through Sunday, followed by distribution studio, gross, number of theater locations, average receipts per location, total gross and number of weeks in release, as compiled Monday by Hollywood.com are:

1. "Limitless," Relativity Media, $18,907,302, 2,756 locations, $6,860 average, $18,907,302, one week.

2. "Rango," Paramount, $15,076,575, 3,843 locations, $3,923 average, $92,338,691, three weeks.

3. "Battle: Los Angeles," Sony, $14,538,429, 3,417 locations, $4,255 average, $60,540,135, two weeks.

4. "The Lincoln Lawyer," Lionsgate, $13,206,453, 2,707 locations, $4,879 average, $13,206,453, one week.

5. "Paul," Universal, $13,043,310, 2,802 locations, $4,655 average, $13,043,310, one week.

6. "Red Riding Hood," Warner Bros., $7,188,131, 3,030 locations, $2,372 average, $25,895,514, two weeks.

7. "The Adjustment Bureau," Universal, $5,772,510, 2,660 locations, $2,170 average, $48,619,550, three weeks.

8. "Mars Needs Moms," Disney, $5,316,620, 3,117 locations, $1,706 average, $15,400,434, two weeks.

9. "Beastly," CBS Films, $3,198,478, 1,810 locations, $1,767 average, $22,183,943, three weeks.

10. "Hall Pass," Warner Bros., $2,568,334, 1,905 locations, $1,348 average, $39,557,940, four weeks.

11. "Gnomeo and Juliet," Disney, $2,298,908, 1,748 locations, $1,315 average, $93,587,290, six weeks.

12. "Just Go With It," Sony, $2,245,115, 1,708 locations, $1,314 average, $97,964,324, six weeks.

13. "The King's Speech," Weinstein Co., $2,034,151, 1,249 locations, $1,629 average, $132,476,381, 17 weeks.

14. "Unknown," Warner Bros., $1,279,351, 1,401 locations, $913 average, $61,094,903, five weeks.

15. "I Am Number Four," Disney, $1,015,059, 955 locations, $1,063 average, $52,616,849, five weeks.

16. "Big Mommas: Like Father, Like Son," Fox, $708,210, 550 locations, $1,288 average, $36,407,678, five weeks.

17. "Tangled," Disney, $616,057, 334 locations, $1,844 average, $197,714,178, 17 weeks.

18. "Cedar Rapids," Fox Searchlight, $521,961, 462 locations, $1,130 average, $5,475,316, six weeks.

19. "Justin Bieber: Never Say Never," Paramount, $470,466, 480 locations, $980 average, $72,209,363, six weeks.

20. "Jane Eyre," Focus, $466,409, 26 locations, $17,939 average, $719,514, two weeks.