FC Porto (Liga Portugal): every transfer in and out, fees paid and earned, squad market value, €659m spent and €1099m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Jakub Kiwior | Arsenal | Porto | €17m |
| 2026-07-01 | João Afonso | Santa Clara | Porto | €1.5m |
| 2026-07-01 | Danny Namaso | Porto | AJ Auxerre | €5m |
| 2026-07-01 | Luuk de Jong | Porto | Without Club | — |
| 2026-07-01 | Thiago Silva | Porto | Without Club | — |
| 2026-02-11 | Tomás Pérez | Porto | Atlético-MG | Loan |
| 2026-02-06 | Stephen Eustaquio | Porto | LAFC | Loan |
| 2026-02-02 | Seko Fofana | Stade Rennais | Porto | Loan |
| 2026-01-30 | Terem Moffi | Nice | Porto | Loan |
| 2026-01-26 | André Franco | Porto | Chicago | €650k |
| 2026-01-23 | Rui Monteiro | FC Porto | Dinamo Tbilisi | Free |
| 2026-01-13 | Gabriel Veron | Porto | Nacional | Loan |
| 2026-01-07 | Oskar Pietuszewski | Jagiellonia | Porto | €8m |
| 2026-01-01 | Thiago Silva | Fluminense | Porto | Free |
| 2025-09-18 | Yann Karamoh | Without Club | Porto | — |
| 2025-09-02 | Marko Grujić | Porto | AEK Athens | Free |
| 2025-09-01 | Jakub Kiwior | Arsenal | Porto | Loan |
| 2025-09-01 | Fábio Cardoso | Porto | Sevilla FC | Free |
| 2025-09-01 | Vasco Sousa | Porto | Moreirense | Loan |
| 2025-09-01 | Zé Pedro | Porto | Cagliari | €2m |