Oryx International Growth Fund Ltd operates as a closed-end investment company, primarily investing in small and mid-sized quoted and unquoted companies in the UK and US. The company aims to generate above-market returns over the medium and long term by targeting firms with strong business models that may benefit from an activist shareholder approach. It employs a rigorous investment strategy that includes comprehensive research and due diligence, and it may utilize derivatives and other financial instruments for efficient portfolio management.