As Altice NV (ATCEY) and its US subsidiary, Altice USA Inc. (ATUS) , mull a bid for Charter Communications Inc. (CHTR) , they're reportedly turning to private equity firms form help on a potential bid for the cable broadcaster.

Bloomberg reported Saturday, Aug. 12, that Altice is considering asking Canadian pension fund Canada Pension Plan Investment Board and London-based private equity firm BC Partners Ltd. to help fund the bid, although Altice has not yet made a formal approach. As Bloomberg noted, the two firms have worked before with Altice's Patrick Drahi, selling him a 70% stake in Suddenlink Communications, and kicking in $1 billion to finance Altice's $18 billion purchase of Cablevision Systems Corp.

Cablevision and Suddenlink now make up Altice USA, which went public in June. According to FactSet data, CPP holds a 17.1% stake in Altice USA, while BC holds a 26.4% stake. Drahi's own stake clocks in at 25.9%.

Acquisitive Japanese telecom giant SoftBank is also reportedly pursuing a bid for Charter, planning to merge it with Sprint Corp. (S) . Charter shot down rumors, saying July 29 that it has no interest in a Sprint combination. SoftBank has also pursued T-Mobile US Inc. (TMUS) to prop up Sprint, which it controls.

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