definition

A buyout is the purchase of a controlling interest in a company, typically where the acquiring party gains enough ownership to direct its strategy, operations, and future.

In simple terms, it’s when one company, investor, or group takes over another business, often by purchasing most or all of its shares.

Buyouts have long been a fixture in corporate finance, especially since the 1980s, when leveraged buyouts (LBOs) became popular in the private equity world.

They are used for many purposes: to restructure struggling businesses, to expand into new markets, or to consolidate industries. For founders, a buyout can represent both an exit opportunity and a shift in how their startup is managed.

Startups with high burn rates are particularly vulnerable. If a company spends aggressively without building sustainable revenue (such as strong Annual Recurring Revenue), it may run out of runway.

In these situations, a buyout can occur either as a lifeline, saving the startup from collapse, or as a “fire sale” where founders and early investors exit at a lower-than-expected valuation.

A real-world example is Facebook’s buyout of Instagram in 2012 for $1 billion. Instagram had hyper user growth but limited revenue. The buyout gave Facebook access to a powerful new platform while providing Instagram with resources to scale.

Buyouts can possibly shape exit strategies, valuation outcomes, and industry dynamics. They are often executed by private equity firms, larger corporations, or strategic investors.

In some cases, buyouts resemble an acqui-hire, where the true value lies in acquiring the startup’s talent rather than its product or revenue stream.