Halma stock forecast

Halma's weighted price is £53.92 by October 2029. It hinges on photonics demand.

Where could Halma's shares be by October 2029?

By October 2029, the weighted price is £53.92, a 60% return including dividends. The range at that date is £30.52 in the bear case to £81.86 in the bull case. The bear outcome is 9% below today, while the bull outcome is 141% above it.

The forecast assigns 25% to the bear case, 55% to the base case and 20% to the bull case. The table shows how those probabilities translate into prices at each date.

What has to go right for Halma, and what could go wrong?

Orders converting into sales, photonics growth, and acquired businesses generating cash and attractive returns will determine the outcome. The 19 November 2026 interim results will test growth and margins and update investors on cash and debt after the acquisition wave. Fewer hyperscaler orders, weaker photonics or falling acquisition returns would push the case toward bear. Sustained growth, margins, cash conversion and returns support bull. Halma’s premium rests on turning specialist niches and acquisitions into durable, cash-backed per-share growth.

How much cash does Halma really make?

In the year to March 2026, Halma generated £593.1 million of cash from operations. Adjusted operating cash flow was £550.2 million, equal to 93% adjusted cash conversion. Cash conversion measures how much adjusted operating profit becomes operating cash; it does not mean that all of that cash remains after every investment.

What does an investor pay for Halma today?

A price-to-earnings ratio, or P/E, says how many pounds investors pay for each pound of annual earnings per share. Halma’s trailing and forward multiples are substantial. The forward calculation implies earnings of about 134p per share over the next twelve months, compared with FY26 adjusted earnings per share of 114.05p. In other words, the price already assumes another strong step up in profit.