The daily fantasy sports operator, backed by Alphabet, Time Warner and Comcast, has secured convertible debt financing from existing backers.

FanDuel, a US-based daily fantasy sports platform backed by several media groups, has raised $55m in convertible note financing from existing investors, the Wall Street Journal has reported.

The financing has been raised in the past few months. FanDuel’s existing backers include internet and technology conglomerate Alphabet and media companies Time Warner and NBCUniversal, the latter a subsidiary of mass media group Comcast which is also a FanDuel investor.

FanDuel operates a fantasy sports platform that allows players to form…