Parkwalk Advisors Ltd investment portfolio

Aqdot develops and licenses AqFresh™, a patented supramolecular chemistry technology that captures and removes odours and volatile organic compounds from products such as non‑wovens, textiles, plastics, coatings, automotive interiors and hygiene items. Its target market is manufacturers seeking fragrance‑free, non‑toxic odor‑control solutions for consumer and industrial applications.

Cambridge GaN Devices Ltd is a fabless semiconductor company that designs, develops and commercialises gallium‑nitride (GaN) power transistors and integrated circuits, including its ICeGaN enhancement‑mode devices that operate like MOSFETs. Its products are aimed at automotive manufacturers and other sectors that require high‑efficiency, low‑loss power‑electronics solutions.