Flatiron Health, Inc. announced that it has received $175 million in its series C round of equity funding led by new investor Roche Holding AG on January 6, 2016. The transaction also included participation from new investors Baillie Gifford & Co., Allen & Company, Casdin Capital, LLC, and returning investors, First Round Capital, and GV. As part of the transaction, Daniel O'Day of Roche Holding AG has joined the company's board of directors.

The company has raised $313 million in funding till date.