[3] Equinox is owned by a group of investors including Harvey Spevak, executive chairman and managing partner, as well as principals of The Related Companies.

In 2006, he partnered with Related Chairman principals to acquire a controlling interest in Equinox and secured a significant minority investment from private equity firm L Catterton in 2017.

[11][12] A 2019 article in The New York Times reported that trainers often worked long hours, sometimes as many as 80 a week, forcing some to sleep in employee locker rooms or their cars between shifts.

The boycott was first prompted by a widely publicized fundraiser for then-president Donald Trump by Stephen Ross, the founder and principal owner of The Related Companies.

"[15] On August 12, 2024, Blink Fitness filed for Chapter 11 bankruptcy protection, blaming slow sales caused by the COVID-19 pandemic and increased rising costs as part of the decision.