 The Portuguese bank, Caixa Geral de Depósitos, which had acquired Banco Nacional Ultramarino in 1988, merged with it fully in 2001.In 2000, Banco Santander acquired Banco Totta e Açores and disposed of its interest in BISTP to Caixa Geral de Depósitos, which now owns 52% of BISTP.It became an entirely a private company in 2003.