Fortuna Düsseldorf (Bundesliga): every transfer in and out, fees paid and earned, squad market value, €31m spent and €60m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Satoshi Tanaka | F. Düsseldorf | FC Schalke 04 | €1m |
| 2026-01-30 | Marin Ljubicic | Union Berlin | F. Düsseldorf | Loan |
| 2026-01-03 | Jordi Paulina | B. Dortmund II | F. Düsseldorf | €350k |
| 2026-01-01 | Satoshi Tanaka | Sanf. Hiroshima | F. Düsseldorf | €900k |
| 2025-09-01 | Tim Breithaupt | Augsburg | F. Düsseldorf | Loan |
| 2025-09-01 | Jona Niemiec | F. Düsseldorf | Odense BK | €180k |
| 2025-08-30 | Jesper Daland | Cardiff | F. Düsseldorf | Loan |
| 2025-08-22 | Jamil Siebert | F. Düsseldorf | Lecce | €5.5m |
| 2025-08-08 | Florent Muslija | Freiburg | F. Düsseldorf | Loan |
| 2025-07-28 | Cedric Itten | Young Boys | F. Düsseldorf | €1.5m |
| 2025-07-10 | Christian Rasmussen | Ajax | F. Düsseldorf | €1m |
| 2025-07-09 | Marcel Lotka | Dortmund | F. Düsseldorf | Free |
| 2025-07-03 | Sotiris Alexandropoulos | Sporting | F. Düsseldorf | Loan |
| 2025-07-01 | Ísak Jóhannesson | F. Düsseldorf | 1.FC Köln | €5.5m |
| 2025-07-01 | Luca Raimund | Stuttgart | F. Düsseldorf | €400k |
| 2025-07-01 | Kenneth Schmidt | Freiburg | F. Düsseldorf | €400k |
| 2025-07-01 | Christopher Lenz | Hoffenheim | F. Düsseldorf | Free |
| 2025-01-13 | Moritz-Broni Kwarteng | VfL Bochum | F. Düsseldorf | Loan |
| 2025-01-02 | Jordy de Wijs | F. Düsseldorf | Heerenveen | Loan |
| 2024-08-30 | Valgeir Lunddal | Häcken | F. Düsseldorf | €300k |