Socios con participación >= 5%
| Partner | Percentage (*) |
| CHAPERO PERAL, JOSE LUIS | 8.70 % |
| DE ARTAZA ZUAZOLA, ALFONSO | 6.73 % |
| DE RODA LAMSFUS, FERNANDO | 5.45 % |
| GOYOAGA EGUSQUIZA, GABRIEL | 5.69 % |
| MUTUAMAD INVERSIONES, S.A.U. | 39.99 % |
| SOROA EGUIRAUN, EMILIO | 11.28 % |
(*) Calculated on total shares