Grêmio Foot-Ball Porto Alegrense (Campeonato Brasileiro Serie A): every transfer in and out, fees paid and earned, squad market value, €76m spent and €202m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-03-27 | Mayk | Grêmio | Remo | Free |
| 2026-03-12 | Gustavo Cuéllar | Grêmio | Deportivo Cali | Free |
| 2026-03-02 | Franco Cristaldo | Grêmio | CA Talleres | Free |
| 2026-02-25 | Alexander Aravena | Grêmio | Portland | Loan |
| 2026-02-18 | Edenilson | Grêmio | Botafogo | Free |
| 2026-02-10 | Leonel Pérez | Huracán | Grêmio | €2.4m |
| 2026-02-06 | Juan Nardoni | Racing Club | Grêmio | €6.8m |
| 2026-01-29 | Lucas Esteves | Grêmio | San Luis | — |
| 2026-01-27 | Tiago Volpi | Grêmio | RB Bragantino | Free |
| 2026-01-15 | Weverton | Palmeiras | Grêmio | Free |
| 2026-01-11 | Tetê | Panathinaikos | Grêmio | €6.2m |
| 2026-01-10 | José Enamorado | Junior FC | Grêmio | €2.6m |
| 2026-01-09 | João Lucas | Grêmio | Remo | Loan |
| 2026-01-09 | Camilo | Grêmio | Chapecoense | Loan |
| 2026-01-05 | Cristian Olivera | Grêmio | EC Bahia | Loan |
| 2026-01-01 | Tiaguinho | Grêmio U20 | Grêmio | — |
| 2026-01-01 | Thiago Beltrame | Grêmio B | Grêmio | — |
| 2026-01-01 | Roger | Grêmio U20 | Grêmio | — |
| 2026-01-01 | Pedro Gabriel | Grêmio U20 | Grêmio | — |
| 2026-01-01 | Marlon | Cruzeiro | Grêmio | €3.5m |