Transfers
Recent player movements in and out of the squad
| Date | Player | From | To | Type |
|---|---|---|---|---|
| 30.01.2026 | M. Fofana | Istanbul Basaksehir | — | Free agent |
| 29.01.2026 | M. Fofana | Istanbul Basaksehir | — | Free agent |
| 14.01.2026 | H. Ljukovac | Istanbul Basaksehir | — | Loan |
| 02.01.2026 | D. Türüç | Istanbul Basaksehir | Konyaspor | Free agent |
| 02.01.2026 | Ö. Beyaz | Istanbul Basaksehir | — | Loan |
| 30.12.2025 | D. Türüç | Istanbul Basaksehir | Konyaspor | Free agent |
| 12.09.2025 | D. Dilmen | Istanbul Basaksehir | — | Loan |
| 11.09.2025 | D. Dilmen | Istanbul Basaksehir | — | Loan |
| 11.09.2025 | E. Surul | Istanbul Basaksehir | — | Free agent |
| 10.09.2025 | E. Surul | Istanbul Basaksehir | — | Free agent |
| 04.09.2025 | M. Arslantaş | Istanbul Basaksehir | — | Free Transfer |
| 04.09.2025 | M. Arslantaş | Istanbul Basaksehir | — | Free Transfer |
| 03.09.2025 | M. Arslantaş | Istanbul Basaksehir | — | Free agent |
| 02.09.2025 | P. Szysz | Istanbul Basaksehir | Arka Gdynia | Free Transfer |
| 31.08.2025 | S. Okaka | Istanbul Basaksehir | — | - |
| 31.08.2025 | P. Szysz | Istanbul Basaksehir | Arka Gdynia | Free agent |
| 15.08.2025 | Y. Dilek | Istanbul Basaksehir | — | Transfer |
| 14.08.2025 | Matchoi Djaló | Istanbul Basaksehir | Wisla Plock | Loan |
| 14.08.2025 | Y. Dilek | Istanbul Basaksehir | — | Loan |
| 12.08.2025 | Matchoi Djaló | Istanbul Basaksehir | Wisla Plock | Loan |
| 08.08.2025 | E. Karaal | Istanbul Basaksehir | — | Free Transfer |
| 07.08.2025 | A. Kaygısız | Istanbul Basaksehir | — | Transfer |
| 06.08.2025 | E. M. Karaal | Istanbul Basaksehir | — | Transfer |
| 05.08.2025 | C. Sertel | Istanbul Basaksehir | — | Transfer |
| 05.08.2025 | A. Kaygısız | Istanbul Basaksehir | — | Transfer |
| 04.08.2025 | P. Keny | Istanbul Basaksehir | FC Zurich | Free agent |
| 04.08.2025 | A. Kaygısız | Istanbul Basaksehir | — | Loan |
| 04.08.2025 | C. Sertel | Istanbul Basaksehir | — | Transfer |
| 03.08.2025 | P. Keny | Istanbul Basaksehir | FC Zurich | Free agent |
| 02.08.2025 | H. Acun | Istanbul Basaksehir | — | Loan |
| 31.07.2025 | H. Acun | Istanbul Basaksehir | — | Transfer |
| 30.07.2025 | E. Karaağaç | Istanbul Basaksehir | — | Loan |
| 30.07.2025 | B. Özcan | Istanbul Basaksehir | Fatih Karagümrük | Loan |
| 30.07.2025 | O. Inan | Istanbul Basaksehir | — | Loan |
| 30.07.2025 | E. Koyuncu | Istanbul Basaksehir | — | Loan |
| 26.07.2025 | Abdoulaye Yoro | Istanbul Basaksehir | — | Loan |
| 25.07.2025 | E. Kaplan | Istanbul Basaksehir | — | Free Transfer |
| 24.07.2025 | H. Ljukovac | Istanbul Basaksehir | Teplice | Loan |
| 23.07.2025 | H. Ljukovac | Istanbul Basaksehir | Teplice | Loan |
| 23.07.2025 | Abdoulaye Yoro | Istanbul Basaksehir | — | Loan |
| 22.07.2025 | E. Kaplan | Istanbul Basaksehir | — | Loan |
| 21.07.2025 | F. Nzaba | Istanbul Basaksehir | — | Loan |
| 18.07.2025 | E. Barlık | Istanbul Basaksehir | — | Transfer |
| 05.07.2025 | João Figueiredo | Istanbul Basaksehir | — | Transfer |
| 03.07.2025 | B. Özyurt | Istanbul Basaksehir | Alanyaspor | Transfer |
| 02.07.2025 | B. Ozyurt | Istanbul Basaksehir | Alanyaspor | - |
| 02.07.2025 | B. Kavraz | Istanbul Basaksehir | — | Transfer |
| 02.07.2025 | S. Gürler | Istanbul Basaksehir | Eyüpspor | Free Transfer |
| 01.07.2025 | A. Touba | Istanbul Basaksehir | Panathinaikos | Transfer |
| 01.07.2025 | B. Özdemir | Istanbul Basaksehir | — | N/A |