Buybacks: how companies return cash

A buyback (or share repurchase) is a company spending its own cash to buy back and cancel some of its own shares. If issuing shares in an IPO or rights issue increases the number of slices the pie is cut into, a buyback does the reverse — it reduces them. It's one of the two main ways a company returns surplus cash to its owners (the other being dividends), and it's widely misunderstood: some investors treat any buyback as automatically good news, while others can't see how it benefits them at all if they don't sell. Both are wrong. This chapter explains what a buyback actually does, the two routes Indian companies use, and how to tell a value-creating buyback from a cosmetic one.

The core mechanic: fewer slices, bigger slice each

Suppose a company has 100 shares and earns ₹1,000 of profit — that's ₹10 of earnings per share. Now it buys back and cancels 20 of those shares, leaving 80. The same ₹1,000 of profit is now spread over 80 shares — ₹12.50 per share. Nothing changed about the underlying business; it earns exactly what it earned before. But each remaining share now represents a larger claim on those earnings, because there are fewer shares to share them among.

That's the heart of it. A buyback concentrates ownership for the shareholders who don't sell. By shrinking the share count, it raises earnings-per-share and each remaining holder's proportional stake. So a buyback rewards the loyal holder, the one who stays, by handing them a bigger slice of the same pie — paid for with the company's spare cash. This is the mirror image of the dilution you met in the rights-issue chapter.

Why a company chooses a buyback over a dividend

Both buybacks and dividends return surplus cash to owners, so why pick one over the other? A few reasons drive the choice.

• Signalling — a board announcing a buyback is effectively saying 'we think our own shares are undervalued, so buying them is the best use of our cash'. Whether that judgement is right is another matter, but it's a louder vote of confidence than a routine dividend.
• Flexibility — a dividend, once raised, is sticky; cutting it later spooks the market. A buyback is a one-off, so a company can return surplus cash without committing to repeating it every year.
• Concentration — a buyback boosts per-share metrics for those who stay, whereas a dividend spreads cash evenly to everyone holding on the record date.
• Tax treatment — historically a major driver in India, and one that has shifted; we'll come to it below.

The two routes: tender offer and open market

Indian companies run buybacks through one of two mechanisms, and the difference matters for what you can expect as a shareholder.

• Tender offer — the company offers to buy a fixed number of shares directly from shareholders at a set price, usually a premium to the market price, with a portion reserved for small shareholders. You choose whether to tender (offer up) your shares. If the buyback is oversubscribed, your shares are accepted on a proportional basis, much like an IPO allotment in reverse.
• Open market — the company simply buys its own shares on the exchange, like any other buyer, over a period of time, up to a maximum it has declared. You don't 'apply'; the company is just another participant bidding in the order book, and there's no guarantee it buys at any particular price or buys the full amount.

The tax shift you should understand

Buyback taxation in India has been a moving target, and the direction of recent change matters more than any specific rate. For a long stretch, buybacks carried a tax paid by the company on the buyback, which made the proceeds effectively tax-free in the shareholder's hands — and that tax advantage was a big reason boards favoured buybacks over dividends. More recently the treatment has moved toward taxing buyback proceeds in the hands of the shareholder, bringing it closer to how dividends are treated.

Good buyback, bad buyback

A buyback is a tool, and like any tool it can be used well or badly. Knowing the difference protects you from cheering an action that's quietly working against you.

• A good buyback uses genuine surplus cash to repurchase shares when they're trading below what the business is worth. This is the company being a smart buyer of itself — every cheap share it cancels makes the remaining holders richer in a real sense.
• A questionable buyback is done when shares are expensive, or funded by taking on debt, or timed to prop up a sagging price, or used mainly to offset the dilution from generous stock options handed to executives. Here the cash is being spent poorly, and the 'return to shareholders' framing can disguise value destruction.

The whole cash-return picture

Step back and dividends and buybacks are two doors out of the same room: a company with more cash than good investment ideas returning that surplus to its owners. A dividend hands everyone cash directly and is taxed accordingly. A buyback hands cash to the sellers and a bigger ownership stake to those who stay. Neither is inherently superior — what matters is whether the company genuinely has surplus cash, whether it's acting at a sensible price, and how the current tax rules treat each route. Judge a buyback as you'd judge any capital-allocation decision: by whether it's a smart use of money, not by the warm glow of the announcement.