HJK Helsinki: every transfer in and out, fees paid and earned, squad market value, €850k spent and €5.7m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-04-25 | Daniel O'Shaughnessy | HJK Helsinki | Retired | — |
| 2026-02-27 | Emmanuel Boateng | Without Club | HJK Helsinki | — |
| 2026-02-14 | Benji Michel | HJK Helsinki | Ulsan HD | Free |
| 2026-01-23 | Georgios Kanellopoulos | HJK Helsinki | OFI Crete | Free |
| 2026-01-18 | Till Cissokho | Without Club | HJK Helsinki | — |
| 2025-08-25 | Ardit Tahiri | KF Llapi | HJK Helsinki | Loan |
| 2025-08-21 | Ricardo Friedrich | Malmö | HJK Helsinki | Loan |
| 2025-08-15 | Yukiyoshi Karashima | Rīgas FS | HJK Helsinki | Loan |
| 2025-07-23 | Vicente Besuijen | Aberdeen FC | HJK Helsinki | Loan |
| 2025-07-01 | Hassane Bandé | HJK Helsinki | Without Club | — |
| 2025-05-03 | Ozan Kökcü | HJK Helsinki | Without Club | — |
| 2025-03-28 | Benji Michel | Without Club | HJK Helsinki | — |
| 2025-02-15 | Kai Meriluoto | HJK Helsinki | NK Maribor | Loan |
| 2025-01-29 | Anthony Olusanya | HJK Helsinki | Kalmar FF | €110k |
| 2025-01-01 | Ville Tikkanen | SJK Seinäjoki | HJK Helsinki | Free |
| 2025-01-01 | Niki Mäenpää | HJK Helsinki | Without Club | — |
| 2024-08-12 | Topi Keskinen | HJK Helsinki | Aberdeen FC | €1m |
| 2024-08-12 | Anthony Olusanya | HJK Helsinki | FC Haka | Loan |
| 2024-08-07 | Aaro Toivonen | HJK Helsinki | Tallinna Kalev | Loan |
| 2024-07-31 | Ozan Kökcü | FC Eindhoven | HJK Helsinki | — |