The Ireland Strategic Investment Fund, managed and controlled by the National Treasury Management Agency (NTMA), is an €8.9 billion sovereign development fund with a unique mandate.They have a statutory mandate to invest on a commercial basis in a manner designed to support economic activity and employment in Ireland.ISIF is delivering on a double bottom line mandate to invest on a commercial basis in a manner designed to support economic activity and employment in the State. The Fund publishes a semi-annual update of the fund and the economic impact of its investments.