Borussia Dortmund (Bundesliga): every transfer in and out, fees paid and earned, squad market value, €1178m spent and €1254m earned. Tracked squad: ACTUAL Value €314m, in line with the market. Valued as of 2026-08-26.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-18 | Joey Veerman | PSV Eindhoven | Borussia Dortmund | €22m |
| 2026-08-17 | Giannis Konstantelias | PAOK B | Borussia Dortmund | €26m |
| 2026-08-17 | Diant Ramaj | Borussia Dortmund | FC København | Loan |
| 2026-08-12 | Kauã Prates | Cruzeiro | Dortmund | €7m |
| 2026-08-06 | Yan Couto | Borussia Dortmund | Como 1907 | Loan |
| 2026-08-03 | Konstantinos Karetsas | KRC Genk | Borussia Dortmund | €30m |
| 2026-07-31 | Ousmane Diallo | Borussia Dortmund | Parma Calcio 1913 | €1.5m |
| 2026-07-31 | Julian Brandt | Borussia Dortmund | Ajax Amsterdam | Free |
| 2026-07-29 | Connor Krempicki | 1.FC Magdeburg | Borussia Dortmund | Free |
| 2026-07-24 | Michael Eberwein | Borussia Dortmund | 1860 München | Free |
| 2026-07-23 | Karim Adeyemi | Borussia Dortmund | FC Barcelona | €22m |
| 2026-07-23 | Prince Aning | Borussia Dortmund | SC Telstar | Free |
| 2026-07-13 | Kjell Wätjen | Borussia Dortmund | FC Midtjylland | €2.5m |
| 2026-07-09 | Cole Campbell | Borussia Dortmund | SV Elversberg | €6m |
| 2026-07-09 | Salih Özcan | Borussia Dortmund | Beşiktaş Jimnastik Kulübü | Free |
| 2026-07-07 | Player | Gamba Osaka | Borussia Dortmund | Loan |
| 2026-07-02 | Julien Duranville | Borussia Dortmund | Olympique Lyon | €5m |
| 2026-07-01 | Joane Gadou | Salzburg | Dortmund | €20m |
| 2026-07-01 | Samuele Inácio | B. Dortmund II | Dortmund | — |
| 2026-07-01 | Justin Lerma | Independiente del Valle | Borussia Dortmund | €4m |