Kilter Rural has won a $70 million mandate from an unnamed US institutional investor. : Kilter, which has $250 million in funds under management, will investment in sustainable Australian agriculture and water assets on behalf of the client. Established in 2004, the fund manager aims to deliver profit with impact by investing at scale in the regeneration of farmland, water and environmental assets. The firm's chief executive Cullen Gunn said today, investors are seeking natural capital investments in response to changing regulatory frameworks and a revised approach to risk management that is changing the nature of investing.