Atl. Madrid U19: every transfer in and out, fees paid and earned, squad market value, €1.5m spent.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2024-07-01 | Santi Rublico | Atl. Madrid U19 | Unión Collado | — |
| 2024-07-01 | Rayane Belaid | Atl. Madrid U19 | Atl. Madrileño | — |
| 2024-07-01 | Omar Janneh | Atl. Madrid U19 | Atl. Madrileño | — |
| 2024-07-01 | Gerónimo Spina | Atl. Madrid U19 | Atl. Madrileño | — |
| 2023-08-03 | Carlos Ballestero | Atl. Madrid U19 | UD Almería B | Free |
| 2023-07-25 | Gerónimo Spina | Estudiantes U20 | Atl. Madrid U19 | Free |
| 2023-07-01 | Sergio Mestre | Atl. Madrid U19 | Atl. Madrid B | — |
| 2023-07-01 | Santi Rublico | Atl.Madleño U18 | Atl. Madrid U19 | — |
| 2023-07-01 | Salim El Jebari | Atl. Madrid U19 | Atl. Madrid B | — |
| 2023-07-01 | Rayane Belaid | Atl.Madleño U18 | Atl. Madrid U19 | — |
| 2023-07-01 | Omar Janneh | Atl.Madleño U18 | Atl. Madrid U19 | — |
| 2023-07-01 | Javier Boñar | Atl. Madrid U19 | Atl. Madrid B | — |
| 2023-07-01 | Adrián Niño | Atl. Madrid U19 | Atl. Madrid B | — |
| 2023-07-01 | Abde Raihani | Atl. Madrid U19 | Atl. Madrid B | — |
| 2022-07-18 | Alejandro Iturbe | Atl. Madrid U19 | Atl. Madrileño | — |
| 2022-07-01 | Sergio Mestre | Atl.Madleño U18 | Atl. Madrid U19 | — |
| 2022-07-01 | Pablo Barrios | Atl. Madrid U19 | Atl. Madrileño | — |
| 2022-07-01 | Javier Boñar | Atl. Madrid U17 | Atl. Madrid U19 | — |
| 2022-07-01 | Ilias Kostis | Atl. Madrid U19 | Atl. Madrileño | — |
| 2022-07-01 | Dimitrios Stamatakis | Atl. Madrid U19 | Atl. Madrileño | — |