© 2018 Informa UK Limited, trading as Taylor & Francis Group Developments in the area of ‘precision agriculture’ are creating new data points (about flows, soils, pests, climate) that agricultural technology providers ‘grab’, aggregate, compute and/or sell. Food producers now churn out food and, increasingly, data. ‘Land grabs’ on the horizon in the global south are bound up with the dynamics of data grabbing, although hitherto researchers have not revealed enough about the people and projects at issue. Against this backdrop, this paper examines some key issues taking shape, while highlighting new frontiers for research and introducing the concept ‘data sovereignty’, which food sovereignty practitioners (and others) need to begin considering.