Excelsior Rotterdam (Eredivisie): every transfer in and out, fees paid and earned, squad market value, €2.4m spent and €13m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Kasey Bos | Mainz | Excelsior | Loan |
| 2026-07-01 | Ilias Bronkhorst | Excelsior | Without Club | — |
| 2026-07-01 | Arthur Zagré | Excelsior | Without Club | — |
| 2026-02-17 | Hamdi Akujobi | Without Club | Excelsior | — |
| 2026-01-26 | Zach Booth | Excelsior | Salt Lake | Loan |
| 2026-01-16 | Miliano Jonathans | Utrecht | Excelsior | Loan |
| 2026-01-05 | Emil Hansson | Birmingham | Excelsior | Free |
| 2025-09-02 | Stefan Mitrović | Hellas Verona | Excelsior | Loan |
| 2025-09-01 | Simon Janssen | VVV-Venlo | Excelsior | Free |
| 2025-08-22 | Szymon Wlodarczyk | Sturm Graz | Excelsior | Loan |
| 2025-08-19 | Irakli Yegoian | Vitesse | Excelsior | Free |
| 2025-08-04 | Rick Meissen | Sparta R. | Excelsior | — |
| 2025-07-09 | Stan Henderikx | FC Den Bosch | Excelsior | €500k |
| 2025-07-03 | Pascal Kuiper | Excelsior | Sparta R. | — |
| 2025-07-01 | Tijmen Holla | Excelsior U21 | Excelsior | — |
| 2025-07-01 | Mathijs Tielemans | Vitesse | Excelsior | — |
| 2025-07-01 | Lewis Schouten | AZ Alkmaar | Excelsior | Loan |
| 2025-07-01 | Lance Duijvestijn | Excelsior | Sparta R. | €600k |
| 2025-07-01 | Gyan de Regt | Vitesse | Excelsior | Free |
| 2025-07-01 | Adam Carlén | IFK Göteborg | Excelsior | — |