The first Equinox location opened on September 23, 1991 in Manhattan's
Upper West Side. It was started by the Errico family—Danny, Vito and Lavinia Errico. In 2000, Spevak led a
management buyout of Equinox to two
private equity firms, North Castle Partners and
J.W. Childs. 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. In 2008, Equinox brought Pure Yoga to the United States from
Hong Kong. In 2011, Equinox launched Blink, a separate fitness company, and acquired
SoulCycle. In July 2019, Equinox launched Equinox Hotels in
Hudson Yards, Manhattan. In January 2023, Equinox banned gym memberships submitted on
New Year's Day, to both praise and criticism. The company said the purpose of the ban was to "snub short-term resolutions". ==Controversies and criticism==