Comcast is considering splitting off its cable networks division.

• Comcast announced on Thursday that it is considering splitting off its cable networks division.
• The separation would not include the broadcast network NBC or streaming platform Peacock.
• The comments came during Comcast's third-quarter earnings call on Thursday.

President Mike Cavanagh announced on Thursday that the company is considering separating its cable networks business.

Cavanagh announced during the company's third-quarter earnings call that the company is considering forming a new, well-funded company owned by shareholders and consisting of their top cable networks.

NBCUniversal's cable networks portfolio includes Bravo, E!, Syfy, Oxygen True Crime, USA Network, as well as news networks MSNBC and CNBC, but not broadcast network NBC or streaming service Peacock.

The company lost 365,000 cable TV customers during the third quarter.

We, like many of our peers in media, are facing the effects of the transition in our video businesses and are researching the most effective course of action for our assets, as stated by Cavanagh.

He stated that they were not prepared to discuss specifics at the moment, but they would provide updates as soon as they reached definite conclusions.

Shares of Comcast were up more than 6% in premarket trading.

Peacock, Comcast's streaming service, experienced growth during the third quarter due to its exclusive coverage of the Summer Olympics in Paris.

Disclosure: Comcast owns NBCUniversal, the parent company of CNBC.

This is breaking news. Please refresh for updates.