Key Highlights

  • IQE plc (LSE:IQE) reported first-half 2026 Revenue growth of 43%, driven by Demand from AI, data centres and defence.
  • The company raised its full-year revenue growth forecast after first-half trading beat expectations.
  • IQE raised about £81m in April 2026, including £45m linked to long-term Supply agreements with customer MACOM.
  • The strategic review, which had included a potential sale of the company, has been concluded.
  • A full-year trading update in January is the next major catalyst for the FTSE AIM All-Share chipmaker.

Why IQE Is in Focus Today

IQE plc (LSE:IQE) is attracting strong interest on 3 November 2026 as investors search for UK-listed exposure to the artificial intelligence infrastructure boom. The Cardiff-based supplier of advanced compound semiconductor wafers has transformed its fortunes over the past year, moving from a strategic review and potential sale to a growth story underpinned by AI and data centre demand.

As global spending on AI computing and optical networking accelerates, IQE's photonics products, which are used in high-speed optical connections inside data centres, have become increasingly important to the Investment case.

From Strategic Review to Growth Story

In November 2024, IQE launched a strategic review focused on its Taiwan operations. In September 2025, with wireless markets weak and US defence orders delayed, the review was expanded to include a potential sale of the entire company, and IQE entered an offer period.

The picture changed in April 2026. IQE announced a strategic investment from customer MACOM Technology Solutions and other existing shareholders, raising gross proceeds of around £81m, including about £45m linked to long-term supply agreements with MACOM. As a result, the strategic review was concluded and discussions with potential buyers were terminated.

Strong Momentum in 2026

IQE's trading has improved markedly. In the second half of 2025, faster-than-expected funding releases for US defence programmes, higher photonics demand from AI and data centre markets, and new handset launches lifted revenue, which reached around £97.3m for the year.

That momentum carried into 2026. First-half revenue rose 43% year on year, driven by AI, data centres and defence, with improved margins and a robust cash position. On the back of this performance, IQE (LSE:IQE) raised its full-year revenue growth forecast.

Long-Term Customer Agreements

A key strength in the new IQE story is the number of multi-year supply agreements with major customers. Alongside the MACOM deal, IQE has extended a multi-year strategic supply agreement with optical components maker Lumentum. These agreements provide greater revenue visibility and support investment in capacity and technology.

Leadership and Strategy

Chief executive Jutta Meier has led the company through the strategic review and into its recovery. Management's focus is on operational efficiency, serving key customers and capturing growth in photonics, wireless and power electronics, while maintaining a stronger Balance Sheet following the April fundraising.

Why AI Matters for IQE

Modern AI data centres rely on vast numbers of high-speed optical links to move data between processors, memory and networking equipment. Many of the lasers and photodetectors inside these optical transceivers are built on compound semiconductor wafers of the type IQE produces. As hyperscale cloud providers expand AI capacity, demand for these components has risen sharply, and suppliers with proven Manufacturing capability have become strategically valuable.

IQE's strong relationships with leading optical and radio frequency component makers put it in a good position to benefit from this trend. The investment from MACOM is a clear sign that key customers want to secure long-term access to IQE's capacity and technology, which helps explain why the shares have attracted renewed interest from growth-focused investors.

What Investors Are Watching Next

Key catalysts for IQE (LSE:IQE) include:

  • A full-year trading update, typically issued in January, confirming 2026 revenue and EBITDA.
  • Continued demand for photonics products from AI and data centre customers.
  • Defence order timing in the US and Europe.
  • Wireless market trends linked to smartphone launches.
  • Any further long-term supply agreements or capacity investment announcements.

Risks to Consider

IQE's markets are cyclical, and demand can swing sharply with smartphone cycles and defence budgets. Customer concentration remains high, with a small number of large customers accounting for a significant share of revenue. The semiconductor industry is Capital intensive, and competition from larger wafer suppliers is intense. Geopolitical tensions involving Taiwan and global supply chains also present risks.

Outlook

IQE (LSE:IQE) has moved from uncertainty to growth, helped by AI-driven demand and strong backing from key customers. For investors on the FTSE AIM All-Share seeking exposure to the semiconductor supply chain behind AI infrastructure, IQE's January trading update will be a key test of whether 2026 momentum can carry into 2027.