Halma jumps 10% to new record high as profits beat forecasts

Halma shares jumped 10.5% to a record 3,688p after the safety-products group raised full-year guidance following a strong first half: revenue £1.24bn, up 15.2% year‑on‑year (organic +16.7%, with photonics contributing roughly eight percentage points) and a hyperscaler customer accounting for 19% of group revenue (up from 14%). Adjusted EBIT rose 26.7% to £282m with an EBIT margin of 22.8% (22.3% excluding one‑offs), statutory PBT was £241.8m (+39%) and EPS 55.32p (+29%); cash conversion was 79% (targeting 90% for the year), net debt sits at 1x EBITDA and the group completed two acquisitions for £129m. Management upgraded guidance to mid‑teens organic revenue growth (from “low double digits”) and an EBIT margin around 22% ex one‑offs, while order intake remains ahead of revenue; analysts at Stifel highlight broad-based strength—Avo Photonics sales appear ~55% YoY and Safety margin surprised to 27%—underscoring ongoing AI/datacentre demand.

Analysis

Halma shares jumped 10.5% to a record 3,688p after the group raised full-year guidance following a strong first half: revenue £1.24bn (+15.2% y/y) with organic growth +16.7% and photonics contributing roughly eight percentage points, adjusted EBIT £282m (+26.7%) and an EBIT margin of 22.8% (22.3% ex one-offs). Statutory profit before tax rose 39% to £241.8m while EPS increased 29% to 55.32p; the board proposed a 7% interim dividend uplift to 9.63p.

Demand from a long-standing hyperscaler was a material driver, accounting for 19% of group revenue (up from 14%), and management highlighted order intake ahead of revenue; analysts note Avo Photonics appears up ~55% y/y and Safety showed a margin surprise at 27%, underscoring an AI/datacentre-driven revenue mix. The company completed two acquisitions for £129m in the period, supporting growth while maintaining a net debt position around 1x EBITDA.

Cash conversion dipped to 79% in the half but management reiterated a full-year target of 90%, and guidance was lifted to mid-teens organic revenue growth (from "low double digits") with an EBIT margin around 22% ex one-offs. Key risks are increased customer concentration with the hyperscaler now 19% of revenue, the sustainability of elevated photonics-led growth and margin expansion, and execution of recent M&A while preserving cash conversion and leverage metrics.

Key Decisions for Investors

• Consider a constructive bias toward Halma given upgraded guidance, strong H1 revenue and margin beats and explicit AI/datacentre demand, but avoid full overweight positions without monitoring concentration risk to the hyperscaler customer
• Monitor near-term indicators—order intake trends, progress on cash conversion toward the 90% target, and the percentage of revenue from the hyperscaler—as triggers to add to or reduce exposure
• Use the recent 10.5% rally and record-high share price as an opportunity to trim positions or implement partial profit-taking/hedges if your position size is large, given potential volatility from customer concentration and M&A execution
• Assess impact of the two £129m acquisitions on organic growth and margins in subsequent releases and maintain position sizing consistent with a net debt level of ~1x EBITDA and the company’s stated capital-allocation intent