Marshall Of Cambridge (Holdings) Limited investment portfolio

Echion Technologies Ltd develops and supplies proprietary niobium-based anode materials, branded as XNO®, designed to enable ultra-fast charging and high cycle life in lithium-ion batteries. The company targets battery cell manufacturers and original equipment manufacturers (OEMs) within heavy-duty sectors such as rail, marine, mining, and energy storage.

PARAGRAF LIMITED mass-produces graphene-based electronic devices, including Graphene Hall Sensors (GHS), Graphene Field-Effect Transistors (GFETs), and Graphene Molecular Sensors, utilizing a proprietary graphene growth process. These products are designed for applications requiring high sensitivity, robustness, and energy efficiency across sectors such as automotive, industrial automation, cryogenics, healthcare, agri-tech, quantum computing, and environmental sensing.