Oud-Heverlee Leuven (Jupiler Pro League): every transfer in and out, fees paid and earned, squad market value, €27m spent and €36m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Youssef Maziz | OH Leuven | Without Club | — |
| 2026-07-01 | Maxence Prévot | OH Leuven | Without Club | — |
| 2026-07-01 | Mathieu Maertens | OH Leuven | Without Club | — |
| 2026-07-01 | Lukasz Lakomy | Young Boys | OH Leuven | €2m |
| 2026-07-01 | Casper Terho | OH Leuven | Sparta R. | €600k |
| 2026-02-02 | Kyan Vaesen | KVC Westerlo | OH Leuven | €150k |
| 2026-02-02 | Casper Terho | OH Leuven | Sparta R. | Loan |
| 2026-01-23 | Nachon Nsingi | OH Leuven | La Louvière | Free |
| 2025-11-01 | Davis Opoku | OH Leuven U23 | OH Leuven | — |
| 2025-09-08 | Sory Kaba | UD Las Palmas | OH Leuven | Free |
| 2025-09-05 | Henok Teklab | Union SG | OH Leuven | Free |
| 2025-08-25 | Lukasz Lakomy | Young Boys | OH Leuven | Loan |
| 2025-08-19 | Noë Dussenne | Lausanne-Sport | OH Leuven | €300k |
| 2025-08-11 | Ayumu Ohata | OH Leuven | Cerezo Osaka | — |
| 2025-07-23 | Viktor Damjanic | Jedinstvo Ub | OH Leuven | €500k |
| 2025-07-08 | Abdoul Karim Traoré | Bourg-en-Bresse | OH Leuven | €550k |
| 2025-07-06 | Federico Ricca | OH Leuven | Belgrano | Free |
| 2025-07-03 | Casper Terho | Union SG | OH Leuven | €400k |
| 2025-07-02 | Bryang Kayo | VfL Osnabrück | OH Leuven | €550k |
| 2025-07-01 | Théo Radelet | OH Leuven U23 | OH Leuven | — |