Fluminense U20: every transfer in and out, fees paid and earned, squad market value, €55k spent and €2.8m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-01-01 | Julio Fidelis | Fluminense U20 | Fluminense | — |
| 2026-01-01 | João Loiola | Fluminense U20 | Fluminense | — |
| 2025-07-02 | Kevyn | Fluminense U20 | Nacional | — |
| 2025-07-01 | Erick Nunes | Fluminense U20 | Cercle Brugge | €500k |
| 2025-06-10 | Kayky Almeida | Fluminense U20 | Remo | Loan |
| 2025-03-21 | Kayky Almeida | Watford | Fluminense U20 | Free |
| 2025-01-11 | Riquelme | Fluminense U20 | Fluminense | — |
| 2025-01-01 | Isaque | Fluminense U20 | Fluminense | — |
| 2025-01-01 | Freitas | Fluminense U20 | Fluminense U23 | — |
| 2025-01-01 | Davi Schuindt | Fluminense U20 | Fluminense | — |
| 2024-08-08 | Kayky Almeida | Fluminense U20 | Watford | €1m |
| 2024-04-01 | Isaac | Fluminense U20 | Fluminense | — |
| 2024-02-02 | Jan Lucumi | CBJ Cali | Fluminense U20 | Loan |
| 2024-02-01 | Freitas | Fluminense U20 | Prudente-SP | Loan |
| 2024-01-08 | Erick Nunes | Fluminense U20 | Cercle Brugge | Loan |
| 2024-01-01 | Kauã Elias | Fluminense U20 | Fluminense | — |
| 2023-07-19 | Felipe Andrade | Fluminense U20 | Fluminense | — |
| 2023-07-01 | Jefté | Fluminense U20 | Fluminense | — |
| 2023-04-04 | Isaac | Fluminense U17 | Fluminense U20 | — |
| 2023-02-01 | Freitas | Atlético-CE | Fluminense U20 | €55k |