The very article you posted backs up the claim in the very first paragraph.
> The Manhattan District Attorney's office raided Newsweek's headquarters in Lower Manhattan on January 18, 2018, and seized 18 computer servers as part of an investigation related to the company's finances.[64] IBT, which owned Newsweek, had been under scrutiny for its ties to David Jang,[64] a South Korean pastor and the leader of a Christian sect called "the Community".[65]
At no point does it say IBT is an "odd Christian sect". At no point does it say they were purchased by an "odd Christian sect". Having ties to != owned by. But you know this.