| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | Christopher Robin | $1,520,829 | -44% | 646 | -27 | $2,354 | $14,084,385 | 3 | Walt Disney Pictures | false | false |
| 2 | 2 | Mamma Mia! Here We Go Again | $1,262,260 | -41.7% | 606 | -27 | $2,082 | $80,746,373 | 7 | Universal Pictures International (UPI) | false | false |
| 3 | 6 | BlacKkKlansman | $1,174,778 | -17.2% | 371 | +156 | $3,166 | $4,366,922 | 2 | Universal Pictures International (UPI) | false | false |
| 4 | 3 | The Meg | $1,141,971 | -40.9% | 513 | -36 | $2,226 | $18,101,454 | 4 | Warner Bros. | false | false |
| 5 | - | Searching | $991,511 | - | 401 | - | $2,472 | $991,511 | 1 | Sony Pictures Releasing | true | false |
| 6 | 4 | Incredibles 2 | $989,457 | -39% | 558 | -24 | $1,773 | $69,721,090 | 8 | Walt Disney Pictures | false | false |
| 7 | - | The Happytime Murders | $899,487 | - | 500 | - | $1,798 | $899,487 | 1 | STX International | true | false |
| 8 | 5 | The Equalizer 2 | $810,288 | -49.8% | 443 | -78 | $1,829 | $7,893,558 | 3 | Sony Pictures Releasing | false | false |
| 9 | 9 | Hotel Transylvania 3: Summer Vacation | $719,809 | -38.5% | 551 | -15 | $1,306 | $22,722,053 | 6 | Sony Pictures Releasing | false | false |
| 10 | 8 | Mission: Impossible - Fallout | $676,011 | -43.1% | 362 | -83 | $1,867 | $29,880,400 | 6 | Paramount Pictures International | false | false |
| 11 | 10 | Ant-Man and the Wasp | $638,545 | -37% | 411 | -60 | $1,553 | $21,670,694 | 5 | Walt Disney Pictures | false | false |
| 12 | - | Yardie | $567,766 | - | 225 | - | $2,523 | $567,766 | 1 | StudioCanal | true | false |
| 13 | 11 | The Children Act | $462,081 | -26.9% | 307 | +159 | $1,505 | $1,756,847 | 2 | Entertainment One | false | false |
| 14 | 7 | The Spy Who Dumped Me | $299,369 | -78% | 423 | -52 | $707 | $2,511,236 | 2 | Lionsgate | false | false |
| 15 | - | Cold War 2018 Re-release | $296,501 | - | 61 | - | $4,860 | $296,501 | 1 | Curzon Film Distributors | true | false |
| 16 | 12 | The Festival | $258,726 | -56% | 260 | -124 | $995 | $4,026,261 | 3 | Entertainment Film Distributors | false | false |
| 17 | - | Upgrade | $75,177 | - | 141 | - | $533 | $75,177 | 1 | Universal Pictures International (UPI) | true | false |
| 18 | - | Mar Gaye Oye Loko | $53,820 | - | 22 | - | $2,446 | $53,820 | 1 | Rising Star Entertainment | true | false |
| 19 | - | Yamla Pagla Deewana Phir Se | $45,881 | - | 38 | - | $1,207 | $45,881 | 1 | Zee Studios | true | false |
| 20 | - | Action Point | $44,055 | - | 115 | - | $383 | $44,055 | 1 | Paramount Pictures International | true | false |
| 21 | 22 | Jurassic World: Fallen Kingdom | $31,749 | -11.2% | 65 | - | $488 | $55,560,861 | 13 | Universal Pictures International (UPI) | false | false |
| 22 | - | The Ballymurphy Precedent | $21,813 | - | 4 | - | $5,453 | $21,813 | 1 | Dartmouth Films | true | false |
| 23 | - | I, Dolours | $20,721 | - | 17 | - | $1,218 | $20,721 | 1 | Element Films | true | false |
| 24 | - | Little Bird's Big Adventure | $19,868 | - | 87 | - | $228 | $19,868 | 1 | Signature Entertainment | true | false |
| 25 | - | The Man from Mo'Wax | $16,985 | - | 10 | - | $1,698 | $16,985 | 1 | Trafalgar Studios | true | false |
| 26 | - | The First Purge | $9,849 | - | 28 | - | $351 | $7,888,776 | 9 | Universal Pictures International (UPI) | false | false |
| 27 | 18 | Sherlock Gnomes | $9,224 | -84.8% | 55 | -173 | $167 | $12,179,009 | 17 | Paramount Pictures International | false | false |
| 28 | - | Distant Voices, Still Lives 2018 Re-release | $8,697 | - | 6 | - | $1,449 | $8,697 | 1 | British Film Institute (BFI) | true | false |
| 29 | 24 | Thomas & Friends: Big World! Big Adventures! | $5,344 | -65.9% | 69 | -80 | $77 | $624,766 | 7 | National Amusements | false | false |
| 30 | 32 | Swimming with Men | $5,074 | +6.3% | 10 | +4 | $507 | $520,401 | 9 | Vertigo Films | false | false |
| 31 | - | The Guernsey Literary and Potato Peel Pie Society | $4,905 | - | 499 | - | $9 | $7,751,869 | 20 | StudioCanal | false | false |
| 32 | 28 | Sgt. Stubby: An American Hero | $4,572 | -36.4% | 38 | -5 | $120 | $138,075 | 4 | Fun Academy Media Group | false | false |
| 33 | 26 | Apostasy | $3,893 | -68.1% | 8 | -9 | $486 | $412,175 | 6 | Curzon Film Distributors | false | false |
| 34 | 38 | The More You Ignore Me | $2,453 | +55.2% | 5 | +4 | $490 | $70,460 | 9 | Entertainment Film Distributors | false | false |
| 35 | 34 | McQueen | $2,411 | -33.1% | 2 | -1 | $1,205 | $856,385 | 13 | Lionsgate | false | false |
| 36 | 30 | Leave No Trace | $2,171 | -65% | 5 | -1 | $434 | $544,876 | 10 | Sony Pictures Releasing | false | false |
| 37 | 36 | Spitfire | $2,163 | -17.1% | 4 | +1 | $540 | $330,183 | 7 | Altitude Film Entertainment | false | false |
| 38 | 37 | Yellow Submarine | $1,807 | -1.5% | 7 | +1 | $258 | $276,155 | 9 | Picturehouse Entertainment | false | false |
| 39 | 47 | The Bookshop | $1,746 | +135% | 5 | +3 | $349 | $501,371 | 10 | Vertigo Films | false | false |
| 40 | 33 | The Escape | $1,603 | -63.3% | 5 | -6 | $320 | $174,305 | 5 | Vertigo Films | false | false |
| 41 | 43 | Mary Shelley | $1,523 | +39.7% | 2 | +1 | $761 | $177,127 | 9 | Curzon Film Distributors | false | false |
| 42 | 42 | Leaning Into The Wind | $1,444 | +13.2% | 5 | +2 | $288 | $41,738 | 4 | Curzon Film Distributors | false | false |
| 43 | 35 | The Eyes of Orson Welles | $1,428 | -47.5% | 8 | -3 | $178 | $40,862 | 3 | Periscoop Film | false | false |
| 44 | - | The Happy Prince | $1,406 | - | 2 | - | $703 | $1,100,079 | 12 | Lionsgate | false | false |
| 45 | 23 | Unfriended: Dark Web | $1,333 | -93.2% | 7 | -60 | $190 | $712,777 | 4 | Universal Pictures International (UPI) | false | false |
| 46 | 40 | Patrick the Pug | $1,206 | -15.5% | 3 | -4 | $402 | $1,562,383 | 10 | Walt Disney Pictures | false | false |
| 47 | - | The Big Bad Fox and Other Tales | $1,113 | - | 41 | - | $27 | $45,355 | 5 | StudioCanal | false | false |
| 48 | 50 | Time Trial | $704 | +19.5% | 2 | +1 | $352 | $91,775 | 10 | Scottish Documentary Institute | false | false |
| 49 | 52 | Whitney | $677 | +48.5% | 1 | -1 | $677 | $587,583 | 9 | Altitude Film Entertainment | false | false |
| 50 | - | Natsamrat | $633 | - | 4 | - | $158 | $633 | 1 | DCPI International | true | false |
| 51 | 39 | Show Dogs | $573 | -61.8% | 4 | -12 | $143 | $4,648,809 | 15 | Entertainment One | false | false |
| 52 | - | Sicario: Day of the Soldado | $503 | - | - | - | - | $2,840,316 | 10 | Lionsgate | false | false |
| 53 | 53 | Maurice 2018 Re-release | $498 | +12.7% | 1 | -1 | $498 | $48,765 | 6 | British Film Institute (BFI) | false | false |
| 54 | - | Kaiser: The Greatest Footballer Never To Play Football | $428 | - | 1 | - | $428 | $18,512 | 6 | Kaleidoscope | false | false |
| 55 | 29 | Peter Rabbit | $423 | -93.7% | 8 | -23 | $52 | $53,231,603 | 25 | Sony Pictures Releasing | false | false |
| 56 | 56 | Hotel Artemis | $118 | -48.9% | - | - | - | $948,972 | 7 | Warner Bros. | false | false |
| 57 | 48 | A Prayer Before Dawn | $93 | -86.7% | 1 | -1 | $93 | $112,548 | 7 | Altitude Film Entertainment | false | false |
| 58 | 49 | Solo: A Star Wars Story | $26 | -96.1% | - | - | - | $25,838,652 | 15 | Walt Disney Pictures | false | false |
