A portfolio manager for an investment fund founded by financier George Soros sexually abused women at a Manhattan penthouse dungeon, according to a $27 million Brooklyn federal suit.

Howie Rubin, 62, whose high-stakes dealing was featured in the best-selling books “Liar’s Poker” and “The Big Short,” rented the lavish Metropolitan Tower pad in Midtown to indulge in brutal sex with women whom he paid between $2,000 and $5,000 per session, according to the suit filed Thursday.

The three unidentified plaintiffs in the case — including two Playboy Playmates — claim the married father raped and beat them to the point that they needed extensive medical attention, court papers say.

Rubin gagged, tied up and viciously abused the women — even punching one in the head, the suit filed by civil lawyer John Balestriere said.

“I’m going to rape you like I rape my daughter,” Rubin barked during one of the alleged assaults.