Holstein Kiel (Bundesliga): every transfer in and out, fees paid and earned, squad market value, €25m spent and €35m earned. Tracked squad: ACTUAL Value €16m vs €24m market value. Valued as of 2026-08-25.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-19 | Gyan de Regt | Excelsior Rotterdam | Holstein Kiel | €1.7m |
| 2026-08-18 | Alexander Bernhardsson | Holstein Kiel | VfL Wolfsburg | €5m |
| 2026-08-12 | Niko Takahashi | Cerezo Osaka | Holstein Kiel | Loan |
| 2026-07-18 | Niklas Niehoff | Holstein Kiel | Sportclub Rheindorf Altach | Loan |
| 2026-07-17 | Player | Holstein Kiel | TSV Steinbach | Free |
| 2026-07-15 | Aldin Jakupović | Holstein Kiel | NK Bravo | Loan |
| 2026-07-13 | Guillermo Balzi | Club Atlético Newell’s Old Boys | Holstein Kiel | €550k |
| 2026-07-08 | Max Geschwill | Holstein Kiel | Rot-Weiss Essen | Free |
| 2026-07-06 | Faride Alidou | 1. FC Kaiserslautern | Holstein Kiel | Free |
| 2026-07-04 | Sebastian Schonlau | Vancouver Whitecaps FC | Holstein Kiel | Free |
| 2026-07-01 | Moritz Reimers | Hamburger SV II | Holstein Kiel | Free |
| 2026-07-01 | Hiroki Sekine | Stade Reims | Holstein Kiel | Loan |
| 2026-07-01 | Taisei Abe | V-Varen Nagasaki | Holstein Kiel | Loan |
| 2026-07-01 | Giorgi Kvilitaia | FC Metz | Holstein Kiel | Free |
| 2026-07-01 | Ben Schmit | Eintracht Trier | Holstein Kiel | Free |
| 2026-07-01 | Tymoteusz Puchacz | Holstein Kiel | Sabah | €1m |
| 2026-07-01 | Jonas Krumrey | Holstein Kiel | VfL Osnabrück | Loan |
| 2026-07-01 | Marco Komenda | Holstein Kiel | Morski Związkowy Klub Sportowy Arka Gdynia Spółka Akcyjna | Free |
| 2026-07-01 | Louis Köster | Holstein Kiel | Alemannia Aachen | €15k |
| 2026-07-01 | Stefan Schwab | Holstein Kiel | SV Ried | Free |