Lightmatter today announced it has raised a $400 million Series D, valuing the company at $4.4 billion and bringing the total capital raised to date to $850 million.

The EuroHPC Joint Undertaking (EuroHPC JU) has signed a purchase agreement with IQM Quantum Computers (IQM), a global leader in designing, building, and selling superconducting quantum computers. Under the agreement, IQM will deliver two advanced Radiance quantum systems of 54 qubits and 150 qubits in the second half of 2025 and by the end of 2026, respectively.

Quantum Source, an Israel-based company developing, technology for powerful, cost-effective, practical photonic quantum computers, announced today it has raised a $50M Series A investment round led by Eclipse, with participation from Standard Investments, Level VC, Canon Equity, as well as existing investors Pitango First, Grove Ventures, 10D, and Dell Technologies Capital.

Quantum Computing Inc. (“QCi” or the “Company”), an innovative, integrated photonics and quantum optics technology company, today announced that the Chief Executive Officer (CEO) and President, Dr. William McGann, 67, has notified the Board his intention to retire effective May 12, 2025, after a distinguished career in the technology sector. As part of the succession plan, the Company’s Board of Directors (the “Board”) named Dr. Yuping Huang as Interim CEO and President. The Board has formed a committee that will work with an executive search firm to select a new CEO.

Quandela, European leader in quantum computing, announces the appointment of Michel Paulin to its Board of Directors. Michel, a recognized expert in the digital industry, was previously CEO of telecommunications pioneer SFR and European sovereign cloud leader OVHcloud. He will bring his experience to Quandela and enrich the company’s strategic vision.

SEALSQ Corp ("SEALSQ" or "Company"), a company that focuses on developing and selling Semiconductors, PKI, and Post-Quantum technology hardware and software products, today announced that it has entered into a strategic agreement with Thomson Quantum AI (“Thompson”), a spin-off of Thomson COMPUTING METAVISIO SA, integrate its Post-Quantum Cryptography (PQC) technology into Thomson’s hardware ecosystem. The agreement covers an initial deployment of SEALSQ’s post-quantum Root-of-Trust security into 60,000 Thomson laptops, tablets, and smartphones. By early 2026, Thomson devices will also incorporate SEALSQ’s Trusted Platform Module (TPM), delivering end-to-end quantum resistant protection.

SEALSQ Corp ("SEALSQ" or "Company"), a company that focuses on developing and selling Semiconductors, PKI, and Post-Quantum technology hardware and software products, announced today the appointment of Loïc Hamon as its Chief Operating Officer (COO), as part of the Company’s strategic expansion in the North American market, effective immediately. This appointment underscores SEALSQ’s commitment to strengthening its leadership in cybersecurity, post-quantum cryptography, and secure semiconductor technologies.

Lightmatter, the leader in photonic supercomputing, today announced it appointed Jason Zander to its board of directors. Zander joins as Lightmatter strengthens its foothold in powering the next generation of computing systems to accelerate AI innovation.

Quantropi is delighted to announce that Jeff York and Sacha Gera have joined the Quantropi Board of Directors. Their combined expertise will support Quantropi’s mission to secure the internet against encryption-breaking technologies (Quantum & AI) that are expected to become major threats to the world’s financial and communications systems over the next few years.

Quantum Computing Inc. (“QCi” or the “Company”), an innovative, integrated photonics and quantum optics technology company, announced today the appointment of Eric Schwartz to its Board of Directors.