Kyle Bass’s market bet against a Texas real-estate lender seemed like an astute move. Throughout 2015, the hedge-fund manager accused the lender, United Development Funding, of operating like a Ponzi scheme. Authorities opened civil and criminal investigations into UDF, and Bass counted his winnings as UDF stock eventually fell to $1.
Today, Bass is also facing regulatory scrutiny.
After earning some $34 million by selling short shares of real-estate investment trust UDF IV, Bass’s Dallas-based company is under investigation by U.S. securities regulators, according to people familiar with the matter. They are looking at whether Bass’s relentless criticism…