During the three-year period spanning 2020 to 2022, Signature Bank issued $13.4 billion in loans on New York City buildings, according to property research company PincusCo. No other bank issued more commercial mortgages in the city.

How bad can it get? Private and public markets disagree to a jarring extent, and the truth is probably somewhere in the middle.

This latest evolution in the DST space last year raised a record $9 billion.

The net asset value of the real estate investment funds more than tripled to more than €1 trillion ($1.1 trillion) in the past 10 years, boosting their interdependence with property markets, the ECB said Monday in its Macroprudential Bulletin. It...