Weight Watchers

Overview

Founded in 1963 by New York City housewife Jean Nidetch, Weight Watchers is a health and wellness company that was once considered the world's leading commercial weight-loss program, with its market cap peaking in 2018 at more than $6B.

Weight Watchers rose to popularity in the 1960s via a behavioral psychology-informed approach to weight loss, with the support-group-like environment of its Weight Watchers meetings at the center of its methodology. In 1997, the program began assigning a point value to every food and drink, with members counting points rather than calories. While it is also known for selling Weight Watchers-branded foods in major grocery stores and online, the majority of its revenue has historically come from relatively affordable membership fees.

Weight Watchers began to offer access to GLP-1 medications as part of its program in 2023, but the rise of GLP-1 weight loss medications beginning around 2021 is among the factors that have upended the business in recent years. When Weight Watchers filed for Chapter 11 bankruptcy in 2025, its market cap had shrunk about 99% from its peak to a mere $23M.

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