| Player | From | Fee | Date |
|---|---|---|---|
| Martínez Lautaro | Inter | 21.5M | 12.08.2026 |
| Remiro Álex | Real Sociedad | 5.0M | 12.08.2026 |
| Cherki Rayan | Manchester City | 53.8M | 15.08.2026 |
| Simón Unai | Athletic Bilbao | 15.3M | 15.08.2026 |
| Sierra Alejandro | Academy | Free | 16.08.2026 |
| Vega Raúl | Academy | Free | 16.08.2026 |
| Cabrera Manuel | Academy | Free | 16.08.2026 |
| Sanz Miguel | Academy | Free | 16.08.2026 |
| Bravo Fernando | Academy | Free | 16.08.2026 |
| Prieto Ricardo | Academy | Free | 16.08.2026 |
| Álvarez Enrique | Academy | Free | 16.08.2026 |
| Santana Jesús | Academy | Free | 16.08.2026 |
| Cruz Iván | Academy | Free | 16.08.2026 |
| Cortés Eduardo | Academy | Free | 16.08.2026 |
| Iglesias Santiago | Academy | Free | 16.08.2026 |
| Gil Rubén | Academy | Free | 16.08.2026 |
| Player | To | Fee | Date |
|---|---|---|---|
| Bardghji Roony | Borussia Dortmund | 23.8M | 09.08.2026 |
| Sierra Alejandro | Free Agent | Free | 17.08.2026 |
| Player | To | Date | End Date |
|---|---|---|---|
| Ansu Fati | Monaco | 30.06.2027 | |
| Gerard Martín | Deportivo La Coruña | 30.08.2026 | 25.05.2027 |
| Iñaki Peña | Elche | 30.06.2027 | |
| Héctor Fort | Elche U20 | 30.06.2027 | |
| Ander Astralaga | Granada | 30.06.2027 | |
| Alejandro Balde | Sporting Gijón | 23.08.2026 | 25.05.2027 |
| Marc-André ter Stegen | Girona | 30.06.2027 |