How Shifting Analyst Assumptions Are Quietly Rewriting Spirax Group’s Valuation Story

Simply Wall St

Thu, January 8, 2026 at 8:09 PM EST 4 min read

Our updated model keeps Spirax Group’s fair value per share anchored at £77.42, even as we make small tweaks to the inputs behind that figure. The discount rate and revenue growth assumptions are adjusted only at the margins, which reflects how closely the story now hinges on fine tuning, not wholesale change, in what is already baked into expectations. Read on to see how you can keep on top of these quiet but important shifts in the Spirax Group narrative as they unfold.

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🐂 Bullish Takeaways

• UBS has taken a more positive stance, moving Spirax Group to Buy from Neutral and setting a price target of 10,500 GBp, compared with a prior 7,500 GBp. This signals a more optimistic view on the shares than before.

• UBS highlights what it sees as “sustainable growth ahead,” which points to confidence in Spirax Group’s ability to keep delivering on its growth story over time.

• The higher price target from UBS suggests the firm sees room for upside in the current valuation, even while acknowledging that expectations around growth are already an important part of the story.

🐻 Bearish Takeaways

• JPMorgan keeps a Neutral rating on Spirax Group, with a price target of 7,500 GBp, only slightly above its prior 7,400 GBp level. This indicates a more measured stance on the stock’s potential upside.

• The modest change in JPMorgan’s target implies the firm sees some support for today’s valuation, but with limited additional upside once current expectations on execution and growth are taken into account.

Do your thoughts align with the Bull or Bear Analysts? Perhaps you think there’s more to the story. Head to the Simply Wall St Community to discover more perspectives or begin writing your own Narrative!

• Spirax Group plc reaffirmed earnings guidance for the full year 2025, keeping its outlook unchanged and indicating that current expectations remain intact.

• The company continues to anticipate organic growth in Group revenues for 2025 that is consistent with 2024 levels, so current forecasts are aligned with the most recently reported year.

• Management also expects 2025 organic revenue growth to remain significantly ahead of IP, which they use as a key reference point for activity in the markets they serve.

• Fair Value: modelled fair value per share remains unchanged at £77.42.

• Discount Rate: nudged slightly higher from 9.15% to 9.18%, reflecting a modest adjustment in required return assumptions.

• Revenue Growth: trimmed marginally from 4.59% to 4.58%, indicating a very small change in top line expectations used in the model.

• Net Profit Margin: adjusted slightly from 13.01% to 13.00%, keeping profitability assumptions broadly stable.

• Future P/E: moved fractionally from 29.74x to 29.79x, signalling a very small shift in the multiple applied to future earnings.