| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2025 | Leiknir | Icelandic Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2025 | KR Reykjavik | League Cup | 4 | 0 | 0 | 0 | 0 | – |
| 2025 | KR Reykjavik | Reykjavik Cup | 2 | 0 | 0 | 0 | 0 | – |
| 2024 | KR Reykjavik | Icelandic Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2024 | KR Reykjavik | League Cup | 1 | 0 | 0 | 1 | 0 | – |
| 2024 | KR Reykjavik | Reykjavik Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2023 | KR Reykjavik | Icelandic Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2023 | KR Reykjavik | Reykjavik Cup | 2 | 0 | 0 | 0 | 0 | – |
| 2022 | KR Reykjavik | League Cup | 1 | 0 | 0 | 0 | 0 | – |
| Total | 14 | 0 | 0 | 1 | 0 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| 02 May 2026 | KR Reykjavik | IR Reykjavik | Transfer | |
| - | Leiknir | KR Reykjavik | Return from loan | |
| - | KR Reykjavik | Leiknir | Loan | |
| - | KV Reykjavik | KR Reykjavik | Return from loan | |
| - | KR Reykjavik | KV Reykjavik | Loan |
J. Sigurdsson career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.