Olympique Marseille (Ligue 1): every transfer in and out, fees paid and earned, squad market value, €730m spent and €559m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Timothy Weah | Juventus | Marseille | €14m |
| 2026-07-01 | Hamed Traoré | Bournemouth | Marseille | €7.5m |
| 2026-07-01 | Facundo Medina | Lens | Marseille | €18m |
| 2026-02-06 | Amir Murillo | Marseille | Besiktas | €5m |
| 2026-02-02 | Ulisses Garcia | Marseille | Sassuolo | Loan |
| 2026-02-02 | Tochukwu Nnadi | Zulte Waregem | Marseille | €6m |
| 2026-02-02 | Ismaël Koné | Marseille | Sassuolo | €10m |
| 2026-02-02 | Himad Abdelli | Angers SCO | Marseille | €2.8m |
| 2026-02-02 | Darryl Bakola | Marseille | Sassuolo | €10m |
| 2026-02-02 | Angel Gomes | Marseille | Wolves | Loan |
| 2026-01-27 | Neal Maupay | Marseille | Sevilla FC | Loan |
| 2026-01-23 | Quinten Timber | Feyenoord | Marseille | €4.5m |
| 2026-01-23 | Ethan Nwaneri | Arsenal | Marseille | Loan |
| 2026-01-19 | Rubén Blanco | Marseille | Without Club | — |
| 2026-01-18 | Pol Lirola | Marseille | Hellas Verona | Free |
| 2026-01-14 | Robinio Vaz | Marseille | Roma | €22m |
| 2025-09-12 | Amine Harit | Marseille | Basaksehir | Loan |
| 2025-09-01 | Derek Cornelius | Olympique Marseille | Rangers | Loan |
| 2025-09-01 | Nayef Aguerd | West Ham | Marseille | €23m |
| 2025-09-01 | Matt O'Riley | Brighton | Marseille | Loan |