Portsmouth: every transfer in and out, fees paid and earned, squad market value, €3.4m spent and €6.2m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-06 | Jacob Farrell | Portsmouth | Western Sydney | Loan |
| 2026-02-02 | Tom McIntyre | Portsmouth | Aberdeen FC | Free |
| 2025-09-01 | Tom McIntyre | Portsmouth | Bradford | Loan |
| 2025-09-01 | Makenzie Kirk | St. Johnstone | Portsmouth | — |
| 2025-09-01 | Josef Bursik | Club Brugge | Portsmouth | Free |
| 2025-09-01 | Franco Umeh | Palace U21 | Portsmouth | €580k |
| 2025-09-01 | Conor Chaplin | Ipswich | Portsmouth | Loan |
| 2025-08-08 | Min-hyeok Yang | Tottenham | Portsmouth | Loan |
| 2025-07-25 | Luke Le Roux | Värnamo | Portsmouth | — |
| 2025-07-07 | Tom Lowery | Portsmouth | Kilmarnock FC | Free |
| 2025-07-01 | Kusini Yengi | Portsmouth | Aberdeen FC | Free |
| 2025-07-01 | Adrian Segečić | Sydney FC | Portsmouth | €500k |
| 2025-02-06 | Elias Sørensen | Portsmouth | Vålerenga | €300k |
| 2025-02-03 | Tom McIntyre | Portsmouth | Charlton | Loan |
| 2025-01-30 | Tom Lowery | Portsmouth | Crewe Alexandra | Loan |
| 2025-01-27 | Hayden Matthews | Sydney FC | Portsmouth | €1.5m |
| 2025-01-10 | Isaac Hayden | Newcastle | Portsmouth | Loan |
| 2024-08-28 | Mark O'Mahony | Brighton U21 | Portsmouth | Loan |
| 2024-08-26 | Freddie Potts | West Ham U21 | Portsmouth | Loan |
| 2024-08-21 | Nicolas Schmid | Blau Weiss Linz | Portsmouth | €400k |