Sociedad Estatal de Participaciones Industriales (SEPI) is a Spanish state holding company that is characterized as a Sovereign wealth fund. It is controlled by the Ministry of the Treasury.

The Ministry of Finance or Ministry of Treasury (MH) is the department of the Government of Spain responsible for planning and carrying out the government policy on public finance and budget. It applies and manages the regional and local financing systems and the provision of information on the economic-financial activity of the different Public Administrations.