Ajax Amsterdam (Eredivisie): every transfer in and out, fees paid and earned, squad market value, €566m spent and €1162m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-03 | Maher Carrizo | Vélez Sarsfield | Ajax | €6m |
| 2026-02-02 | Maarten Paes | Dallas | Ajax | €1.5m |
| 2026-02-01 | Oleksandr Zinchenko | Arsenal | Ajax | €1.5m |
| 2026-01-29 | Remko Pasveer | Ajax | Heracles Almelo | Free |
| 2026-01-22 | Raúl Moro | Ajax | CA Osasuna | €5m |
| 2026-01-21 | Branco van den Boomen | Ajax | Angers SCO | Loan |
| 2026-01-14 | Gastón Ávila | Ajax | Rosario Central | Loan |
| 2026-01-09 | Kenneth Taylor | Ajax | Lazio | €17m |
| 2025-12-16 | Takehiro Tomiyasu | Without Club | Ajax | Loan |
| 2025-09-02 | Kasper Dolberg | RSC Anderlecht | Ajax | €10m |
| 2025-09-01 | Sean Steur | Ajax U21 | Ajax | — |
| 2025-09-01 | Rayane Bounida | Ajax U21 | Ajax | — |
| 2025-09-01 | Jorthy Mokio | Ajax U21 | Ajax | — |
| 2025-09-01 | Don-Angelo Konadu | Ajax U21 | Ajax | — |
| 2025-09-01 | Brian Brobbey | Ajax | Sunderland | €20m |
| 2025-09-01 | Bertrand Traoré | Ajax | Sunderland | €2.9m |
| 2025-09-01 | Aaron Bouwman | Ajax U21 | Ajax | — |
| 2025-08-29 | James McConnell | Liverpool U21 | Ajax | Loan |
| 2025-08-29 | Ahmetcan Kaplan | Ajax | NEC Nijmegen | Loan |
| 2025-08-20 | Sivert Mannsverk | Ajax | Sparta Prague | Loan |