[4] Ellie Mae was founded in 1997 by Limin Hu and Sigmund Anderman.

[4] In 2009, Ellie Mae was accused by DocMagic, a competitor, of violating antitrust and intellectual property laws around actions taken when the vendor agreement between the two companies expired.

[5] Ellie Mae made its initial public offering in 2011, valued at approximately $122 million.

[6] Ellie Mae acquired the assets of Online Document Systems Inc. (2008), Mavent Inc. (2009), Del Mar DataTrac (2011),[7] Mortgage Pricing Systems (2011), MortgageCEO (2014),[8] AllRegs (2014),[9][10] ARG Interactive (2014),[11] MortgageReturns (2015), Velocify (2017), Docvelocity (2019), and Capsilon (2019)[12] In April 2019, Ellie Mae was acquired by Thoma Bravo, LLC, a private equity investment firm, in an all-cash transaction that valued Ellie Mae at an aggregate equity value of approximately $3.7 billion.

In August 2020, Intercontinental Exchange announced that it had entered into a definitive agreement to acquire Ellie Mae for approximately $11 billion.