International audienceThe paper analyses the spatial circulation of wealth associated to regulated saving accounts in France (known as Livrets A). Transforming household’s savings into long-term loans mainly for the financing of social housing, the para-public Caisse des Dépôts achieves a banking intermediation that entails poorly known monetary transfers.The paper describes the direction, intensity and evolutions of this financial circulation of wealth. If the location of savings is both stable through time and spatially homogenous, the geography of loans has evolved towards more spatial concentration at the end of the 2000s. Two interrelated explanations are discussed. Firstly, banking intermediation has evolved, with the Caisse des Dépôt...