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US firm takes significant stake in IQE as losses deepen

Published: May 28, 2026 at 8:50 am

Author: Jonathan Symcox

IQE plc has raised £81 million, including substantial strategic investment from a US semiconductor firm, as revenue falls and losses deepen.

The Cardiff-based company is a supplier of compound semiconductor wafer products and advanced material solutions.

Following the conclusion of a strategic review, IQE announced a £45m strategic investment from MACOM Technology Solutions Inc. in the form of £30m of equity and £15m in new non-interest bearing convertible loan notes. 

Concurrently, IQE and MACOM also entered into long-term supply agreements while the latter’s COO Robert Dennehy and vice president David O’Carroll will be appointed as non-executive directors of IQE. 

The remainder of the fundraise comprised a £23m redemption and reinvestment of convertible loan notes by existing noteholders, as well as a £13m placing and retail offer.

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