Buybacks

A share buyback, or repurchase, happens when a company buys its own shares from the market, reducing the number of shares outstanding. Buybacks are a major way companies return cash to shareholders; S&P 500 companies have spent several hundred billion dollars a year on buybacks, exceeding $900 billion in some recent years according to S&P Dow Jones Indices. Buybacks can create value when shares are cheap, but they can also destroy value when done at high prices or funded with excessive debt.

How buybacks work#

Repurchased shares are usually held as treasury stock or cancelled.

Effect on per share figures#

Fewer shares mean each remaining share owns a bigger slice of the company.

When buybacks create value#

• Shares are below intrinsic value: the company buys a dollar of value for less than a dollar.
• The company has no better high return investments. See Capital Allocation and Management.
• The balance sheet stays strong.
• Buybacks reduce share count rather than just offsetting stock compensation.

When buybacks destroy value#

• Buying at peak prices, then issuing shares cheaply in downturns.
• Funding with excessive debt, weakening the balance sheet before a recession.
• Offsetting dilution only: heavy stock compensation can mean large buybacks with no fall in share count.
• Managing EPS targets to hit executive pay goals.

Before the 2008 crisis and in 2019, many companies, including airlines and banks, spent heavily on buybacks and then needed capital in downturns, drawing criticism.

Buybacks vs dividends#

Since 2023, the US has imposed a 1% excise tax on net share repurchases by public companies.

The evidence#

Studies such as Ikenberry, Lakonishok and Vermaelen (1995) found that companies announcing buybacks tended to outperform over the following years, especially value stocks. More recent research suggests the effect has weakened as buybacks became routine. Companies that consistently reduce share count, a "net payout yield", have been a focus of some quantitative strategies. See Growth and Dividend Factors.

Buybacks in crypto#

Some crypto protocols use revenue to buy back their own tokens, a similar mechanism for returning value to token holders. See Tokenomics and Protocol Revenue.

Frequently asked questions#

What is a stock buyback?#

When a company repurchases its own shares from the market, reducing the number of shares outstanding.

Do buybacks increase stock prices?#

They increase each share's claim on earnings and can support prices, but they create value only if done at prices below intrinsic value.

Why are buybacks controversial?#

Critics argue some companies buy back shares at high prices, use debt to fund them or use them to meet pay targets, leaving them weaker in downturns.

Next, learn what happens when companies cannot pay their debts in Bankruptcy and Restructuring.