Bielefeld Yth.: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2018-07-01 | Timo Schlieck | Bielefeld Yth. | Dortmund Yth. | Free |
| 2016-07-01 | Roberto Massimo | Bielefeld Yth. | Bielefeld U17 | — |
| 2016-07-01 | Colin Kleine-Bekel | Bielefeld Yth. | Dortmund Yth. | — |
| 2014-07-01 | Roberto Massimo | Lippstadt Yth. | Bielefeld Yth. | Free |
| 2011-07-01 | Pascal Stenzel | Bielefeld Yth. | Osnabrück U17 | Free |