Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 05/2026 |  | Mika Pieterse | DF |  | Feyenoord U17 | Feyenoord U17 |
| 05/2026 | | Boaz Plantinga | DF | | Feyenoord U17 | Feyenoord U17 |
| 05/2026 | | Ilai Grootfaam | MF |  | Feyenoord | Feyenoord |
| 01/2026 | | Sem Verdonk | FW |  | FC Dordrecht | Dordrecht |
| 12/2025 | | Tobias van den Elshout | MF | | Feyenoord | Feyenoord |
| 11/2025 | | Jerayno Schaken | FW | | Feyenoord | Feyenoord |
| 11/2025 | | Jivayno Zinhagel | FW | | Feyenoord | Feyenoord |
| 08/2025 | | Keyane el Ouansaidi | DF |  | FC Den Bosch U21 | U21 |
| 07/2025 |  | Emeka Peters | FW |  | Brentford FC U18 | U18 |
| 07/2025 | | Jessie Basfielt | DF | | Feyenoord U17 | Feyenoord U17 |
| 07/2025 | | Nuuradiin Mahamud | DF | | Feyenoord U17 | Feyenoord U17 |
| 07/2025 | | Dani Slory | DF | | Feyenoord U17 | Feyenoord U17 |
| 07/2025 | | Jurvain Valentijn | DF | | Feyenoord U17 | Feyenoord U17 |
| 07/2025 |  | Seung-gyun Bae | MF |  | Boin High School | Boin HS |
| 07/2025 | | Ilias Azaouagh | FW | | Feyenoord U17 | Feyenoord U17 |
| 07/2025 | | Arman Nahany | FW | | Feyenoord U17 | Feyenoord U17 |
| 07/2025 | | Sieme Zijm | AS-CO |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2025 | | Seung-gyun Bae | MF | | FC Dordrecht | Dordrecht |
| 07/2025 | | Thuto Mojanaga | MF |  | Jong Almere City FC | Jong Almere City FC |
| 07/2025 | | Tim Haksteeg | GK |  | Feyenoord U21 | U21 |
| 07/2025 | | Jayden Ettienne | DF | | FC Den Bosch U21 | U21 |
| 07/2025 | | Lucas Gardenier | DF | | Feyenoord U21 | U21 |
| 07/2025 | | Troy Moses | DF | | Feyenoord U21 | U21 |
| 07/2025 | | Björn Otte | DF | | Feyenoord U21 | U21 |
| 07/2025 | | Sam Ringeling | DF | | Feyenoord U21 | U21 |
| 07/2025 | | Hakeem Agboluaje | MF | | Feyenoord U21 | U21 |
| 07/2025 | | Nassim el Harmouz | MF | | Feyenoord U21 | U21 |
| 07/2025 | | Thijs Kraaijeveld | MF | | Feyenoord | Feyenoord |
| 07/2025 |  | Ayoub Ouarghi | MF | | Feyenoord U21 | U21 |
| 07/2025 | | Zino Sneijer | MF | | Feyenoord U21 | U21 |
| 07/2025 | | Rayan Boulahrouz | FW | | Feyenoord U21 | U21 |
| 07/2025 | | Marley Cruz | FW | | Feyenoord U21 | U21 |
| 07/2025 | | Moreno Gompel | FW |  | Sparta Rotterdam U19 | Sparta U19 |
| 07/2025 | | Furkan Ulutaş | FW | | Feyenoord U21 | U21 |
| 07/2025 | | Shaqueel van Persie | FW | | Feyenoord U21 | U21 |
| 07/2025 | | Jivayno Zinhagel | FW | | Feyenoord U21 | U21 |