Independent analysis by the NZ Institute of Economic Research shows that on the information available Māori own around 40% of quota shares (by volume) but only 10.7% of the total quota share value. This is a conservative estimate of iwi ownership and value because not all the relevant details are available; that is understandable given the commercial sensitivity of the information. For Rescue Fish to succeed it was important to work out what a fair exchange might be for those shares if they were bought out by the government. More here on pages 23-26.