Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 04/2013 |  | Chiel Kramer | GK |  | Jong Ajax | Ajax (J) |
| 01/2013 |  | Isaac Cuenca | FW |  | FC Barcelona | Barcelona |
| 11/2012 |  | Lucas Andersen | MF | | Jong Ajax | Ajax (J) |
| 09/2012 | | Ilan Boccara | MF |  | AFC Ajax U19 | Ajax U19 |
| 08/2012 | | Ryan Babel | FW |  | TSG Hoffenheim | Hoffenheim |
| 08/2012 | | Danny Hoesen | FW |  | Fulham FC (R) | Fulham (R) |
| 08/2012 | | Christian Poulsen | MF |  | Thonon Évian GGFC | Thonon Évian FC |
| 08/2012 |  | Niklas Moisander | DF |  | AZ Alkmaar | AZ Alkmaar |
| 08/2012 |  | Tobias Sana | FW |  | IFK Göteborg | IFK Göteborg |
| 07/2012 | | Mickey van der Hart | GK | | Jong Ajax | Ajax (J) |
| 07/2012 | | Mitchell Dijks | DF | | AFC Ajax U19 | Ajax U19 |
| 07/2012 | | Lasse Schöne | MF |  | N.E.C. | N.E.C. |
| 07/2012 |  | Fabian Sporkslede | MF | | AFC Ajax U19 | Ajax U19 |
| 07/2012 | | Viktor Fischer | FW | | AFC Ajax U19 | Ajax U19 |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2013 |  | Eyong Enoh | MF |  | Fulham FC | Fulham |
| 01/2013 | | Lorenzo Ebecilio | FW |  | FK Stal Kamjanske | FK Stal |
| 08/2012 | | Gregory van der Wiel | DF |  | Paris Saint-Germain | Paris SG |
| 08/2012 | | Theo Janssen | MF |  | Vitesse | Vitesse |
| 08/2012 |  | Ismaïl Aissati | MF |  | Antalyaspor | Antalyaspor |
| 08/2012 |  | Vurnon Anita | MF |  | Newcastle United | Newcastle |
| 08/2012 |  | Aras Özbiliz | FW |  | Kuban Krasnodar (1928-2018) | Kuban |
| 07/2012 | | Henri Toivomäki | DF |  | Almere City FC | Almere City FC |
| 07/2012 |  | Jan Vertonghen | DF |  | Tottenham Hotspur | Tottenham |
| 07/2012 |  | Nicolás Lodeiro | MF |  | Botafogo - RJ | Botafogo |
| 07/2012 |  | Dmitriy Bulykin | FW |  | FC Twente | FC Twente |