Man Utd U21: every transfer in and out, fees paid and earned, squad market value, €4.4m spent and €11m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | James Overy | Man Utd U18 | Man Utd U21 | — |
| 2026-04-01 | Tyler Fredricson | Man Utd U21 | Man Utd | — |
| 2026-02-02 | Sékou Koné | Man Utd U21 | Lausanne-Sport | Loan |
| 2026-02-02 | James Scanlon | Man Utd U21 | Swindon Town | Loan |
| 2026-02-02 | Jacob Devaney | Man Utd U21 | St. Mirren | Loan |
| 2026-01-30 | Joe Hugill | Man Utd U21 | Kilmarnock FC | — |
| 2026-01-16 | Sam Mather | Man Utd U21 | Kayserispor | Free |
| 2025-08-31 | Ethan Williams | Man Utd U21 | Falkirk | Loan |
| 2025-08-01 | Jack Moorhouse | Man Utd U21 | Leyton Orient | Loan |
| 2025-07-22 | Elyh Harrison | Man Utd U21 | Shrewsbury | Loan |
| 2025-07-19 | Joe Hugill | Man Utd U21 | Barnet | Loan |
| 2025-07-15 | Habeeb Ogunneye | Man Utd U21 | Newport County | Loan |
| 2025-07-11 | Enzo Kana-Biyik | Man Utd U21 | Lausanne-Sport | Loan |
| 2025-07-10 | Enzo Kana-Biyik | Le Havre U19 | Man Utd U21 | Free |
| 2025-07-01 | Jaydan Kamason | Man Utd U18 | Man Utd U21 | — |
| 2025-07-01 | James Scanlon | Man Utd U18 | Man Utd U21 | — |
| 2025-07-01 | Jacob Devaney | Man Utd U18 | Man Utd U21 | — |
| 2025-07-01 | Hubert Graczyk | Man Utd U21 | Without Club | — |
| 2025-07-01 | Ethan Wheatley | Man Utd U21 | Man Utd | — |
| 2025-07-01 | Bendito Mantato | Man Utd U18 | Man Utd U21 | — |