FC Wil Yth. (): every transfer in and out, fees paid and earned, and the market value of the squad.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2023-07-01 | Cyrill May | FC Wil Yth. | St. Gallen U17 | — |
| 2015-07-01 | Leonidas Stergiou | FC Wil Yth. | St. Gallen Yth. | Free |
| 2012-07-01 | Basil Stillhart | FC Wil Yth. | FC Wil II | — |