The Wolf of Wall Street, Martin Scorsese’s true-life tale of corrupt New York stockbrokers, was the most illegally downloaded movie of 2014.
Disney cartoon Frozen was second on the list, said The Hollywood Reporter, quoting piracy-tracking firm Excipio.
Both films were downloaded around 30 million times by torrent users between 1 January and 23 December 2014.
The third most-pirated film was space thriller Gravity.
It was just behind Frozen with 29.357 million downloads.
The Wolf of Wall Street, which stars Leonardo DiCaprio as real-life stockbroker Jordan Belfort, caused controversy when it was released in the US a year ago for its scenes of sex and drug-taking.
It was nominated for best picture at the Oscars and contained more than 500 uses of the F-word in its almost three-hour running time.
Other Oscar nominees in the most-pirated top 20 included 12 Years a Slave, American Hustle and Captain Phillips.
The Hollywood Reporter noted that the biggest-grossing film of the year, The Guardians of the Galaxy, was not on the list “perhaps because anyone interested in the film opted to see it in theaters”.
And Variety reported that while the number three spot went to RoboCop, the figures included both MGM’s 2014 reboot as well as the original 1987 version.