From Wikipedia:

The Twilight Saga is a series of five romance fantasy films from Summit Entertainment based on the four novels by American author Stephenie Meyer. The films star Kristen Stewart, Robert Pattinson, and Taylor Lautner. The series has grossed over $3.3 billion in worldwide receipts. The first installment, Twilight, was released on November 21, 2008.^[1] The second installment, New Moon, followed on November 20, 2009, breaking box office records as the biggest midnight screening and opening day in history, grossing an estimated $72.7 million.^[2] The third installment, Eclipse, was released on June 30, 2010,^[3] and was the first Twilight film to be released in IMAX.^[4]

The series had been in development since 2004 at Paramount Pictures, during which time a screen adaptation of Twilight that differed significantly from the novel was written.^[5][6] Three years later, Summit Entertainment acquired the rights to the film. After Twilight grossed $35.7 million on its opening day,^[7] Summit Entertainment announced they would begin production on New Moon; they had acquired the rights to the remaining novels earlier that same month.^[8] A two-part adaptation of Breaking Dawn began shooting in November 2010 with release dates of November 18, 2011, and November 16, 2012, respectively.^[9][10]