Transfers
Recent player movements in and out of the squad
| Date | Player | From | To | Type |
|---|---|---|---|---|
| 05.02.2026 | E. Agbadou | Wolves | Besiktas | Transfer |
| 05.02.2026 | A. Murillo | Marseille | Besiktas | Transfer |
| 05.02.2026 | D. Vásquez | AS Roma | Besiktas | Loan |
| 04.02.2026 | A. Murillo | Marseille | Besiktas | Transfer |
| 04.02.2026 | E. Agbadou | Wolves | Besiktas | Transfer |
| 03.02.2026 | Oh Hyeon-Gyu | Genk | Besiktas | Transfer |
| 02.02.2026 | Oh Hyeon-Gyu | Genk | Besiktas | Transfer |
| 02.02.2026 | J. Olaitan | Goztepe | Besiktas | Transfer |
| 01.02.2026 | J. Olaitan | Goztepe | Besiktas | Transfer |
| 29.01.2026 | E. Terzi | — | Besiktas | Return from loan |
| 29.01.2026 | K. Asllani | Inter | Besiktas | Loan |
| 27.01.2026 | Y. Ozcan | Aston Villa | Besiktas | Loan |
| 24.01.2026 | T. Abraham | AS Roma | Besiktas | Transfer |
| 30.12.2025 | Yakup Arda Kılıç | — | Besiktas | Return from loan |
| 30.12.2025 | É. Ricardo | — | Besiktas | Return from loan |
| 21.12.2025 | Sami Bircan Ahmet | Besiktas | Besiktas | Raise |
| 12.09.2025 | Jota Silva | Nottingham Forest | Besiktas | Loan |
| 12.09.2025 | Jota Silva | — | Besiktas | Loan |
| 11.09.2025 | Jota Silva | Nottingham Forest | Besiktas | Loan |
| 10.09.2025 | G. Sazdağı | Kayserispor | Besiktas | Transfer |
| 09.09.2025 | G. Sazdagi | Kayserispor | Besiktas | Transfer |
| 08.09.2025 | G. Sazdagi | Kayserispor | Besiktas | Transfer |
| 08.09.2025 | C. Ünder | Fenerbahce | Besiktas | Loan |
| 07.09.2025 | C. Ünder | Fenerbahce | Besiktas | Loan |
| 02.09.2025 | V. Černý | VfL Wolfsburg | Besiktas | Transfer |
| 01.09.2025 | V. Černý | VfL Wolfsburg | Besiktas | Transfer |
| 31.08.2025 | V. Černý | VfL Wolfsburg | Besiktas | Transfer |
| 27.08.2025 | Tiago Djaló | Juventus | Besiktas | Transfer |
| 26.08.2025 | E. Touré | Atalanta | Besiktas | Loan |
| 23.08.2025 | R. Yılmaz | Rangers | Besiktas | Transfer |
| 16.08.2025 | Taylan Bulut | FC Schalke 04 | Besiktas | Transfer |
| 14.08.2025 | Taylan Bulut | FC Schalke 04 | Besiktas | Transfer |
| 08.08.2025 | W. Ndidi | Leicester | Besiktas | Transfer |
| 06.08.2025 | W. Ndidi | Leicester | Besiktas | Transfer |
| 13.07.2025 | O. Kökçü | Benfica | Besiktas | Loan |
| 10.07.2025 | O. Kökçü | Benfica | Besiktas | Loan |
| 03.07.2025 | T. Abraham | AS Roma | Besiktas | Loan |
| 01.07.2025 | F. Uduokhai | FC Augsburg | Besiktas | Transfer |
| 01.07.2025 | E. Tıknaz | Rio Ave | Besiktas | Back from Loan |
| 01.07.2025 | João Mário | Benfica | Besiktas | Transfer |
| 01.07.2025 | Al Musrati | Monaco | Besiktas | Back from Loan |
| 01.07.2025 | K. Kesgin | — | Besiktas | Back from Loan |
| 01.07.2025 | E. Bilgin | Fatih Karagümrük | Besiktas | Back from Loan |
| 01.07.2025 | E. Uzunhan | Antalyaspor | Besiktas | Back from Loan |
| 01.07.2025 | J. Onana | Genoa | Besiktas | Back from Loan |
| 01.07.2025 | T. Bingöl | Eyüpspor | Besiktas | Back from Loan |
| 01.07.2025 | A. Demir | — | Besiktas | Back from Loan |
| 01.07.2025 | C. Keles | — | Besiktas | Back from Loan |
| 01.07.2025 | J. Muleka | — | Besiktas | N/A |
| 01.07.2025 | K. Yılmaz | Kayserispor | Besiktas | Back from Loan |