Stonewood Investors focuses on early-stage investments, primarily in seed rounds with occasional participation in Series A and B. Their portfolio spans diverse sectors including technology, AI, and mental health services. While specific investment sizes are not disclosed, their involvement ranges from seed to growth stages, indicating flexibility in deal sizes.

The firm's portfolio includes notable companies such as Imperative, Knowmail, and The Grid. Stonewood emphasizes high standards in research, value creation, and risk management. They aim to support entrepreneurs in making a positive impact, providing resources, knowledge, and customized strategies to help portfolio companies achieve their goals and investors realize returns.