Karlsruher U19 (U19 Bundesliga): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-07-01 | Mateo Kritzer | Karlsruher U19 | Karlsruher SC | Free |
| 2025-07-01 | Leon Parduzi | Karlsruher U19 | Holstein Kiel | Free |
| 2025-01-31 | Player | Karlsruher U19 | Valour | Free |
| 2025-01-01 | Louey Ben Farhat | Karlsruher U19 | Karlsruher SC | Free |
| 2024-07-19 | Luis Dettling | Karlsruher U19 | Villingen | Free |
| 2024-07-12 | Mateo Kritzer | Karlsruher U19 | Karlsruher SC | Free |
| 2024-07-01 | Ali-Eren Ersungur | Karlsruher U19 | Karlsruher SC | Free |
| 2024-07-01 | Efe-Kaan Sihlaroglu | Karlsruher U19 | Karlsruher SC | Free |
| 2024-07-01 | Nick Seidel | Karlsruher U19 | Nürnberg II | Free |
| 2024-07-01 | Rafael Pinto Pedrosa | Karlsruher U19 | Karlsruher SC | Free |
| 2023-07-11 | Karim Elabed | Karlsruher U19 | BFC Dynamo | Free |
| 2023-07-06 | Player | Karlsruher U19 | SV Horn | Free |
| 2023-07-01 | Mateo Kritzer | Karlsruher SC U17 | Karlsruher U19 | Free |
| 2023-07-01 | Louey Ben Farhat | Karlsruher SC U17 | Karlsruher U19 | Free |
| 2023-07-01 | Rafael Pinto Pedrosa | Karlsruher SC U17 | Karlsruher U19 | Free |
| 2023-07-01 | Player | Karlsruher SC U17 | Karlsruher U19 | Free |
| 2023-07-01 | Leon Parduzi | Karlsruher SC U17 | Karlsruher U19 | Free |
| 2023-07-01 | Player | Karlsruher U19 | Karlsruher SC | Free |
| 2023-07-01 | Robert Geller | Karlsruher U19 | VfB Stuttgart | Free |
| 2023-07-01 | Player | Karlsruher U19 | Oberachern | Free |