| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2011 | 1. Division | 29 | — | 1 | 0 | — | — |
| 2012 | 1. Division | 25 | — | 3 | 0 | — | — |
| 2013 | 1. Division | 30 | — | 3 | 0 | — | — |
| 2014 | Eliteserien | 18 | 2281 | 0 | 0 | 0 | 7.14 |
| 2015 | Eliteserien | 13 | 743 | 0 | 1 | 0.12 | — |
| 2015 | 1. Division | 5 | — | 0 | 0 | — | — |
| 2016 | Eliteserien | 28 | 2520 | 3 | 2 | 0.18 | 7.27 |
| 2017 | Eliteserien | 27 | 2423 | 1 | 3 | 0.15 | 7.25 |
| 2018 | Eliteserien | 15 | 1342 | 2 | 0 | 0.13 | 7.26 |
| 2018/2019 | Superliga (Denmark) | 27 | 2061 | 1 | 0 | 0.04 | — |
| 2019 | Allsvenskan | 10 | 894 | 1 | 0 | 0.1 | 7.03 |
| 2019/2020 | Superliga (Denmark) | 5 | 422 | 0 | 0 | 0 | 6.9 |
| 2020 | Allsvenskan | 23 | 1932 | 1 | 2 | 0.14 | 7.07 |
| 2020/2021 | Pro League | 9 | 676 | 0 | 1 | 0.13 | 7.01 |
| 2021 | Eliteserien | 15 | 1350 | 0 | 1 | 0.07 | 7.38 |
| 2022 | 1. Division | 29 | 2516 | 5 | 9 | 0.5 | — |
| 2023 | Eliteserien | 29 | 2543 | 9 | 0 | 0.32 | 7.46 |
| 2024 | Eliteserien | 15 | 1239 | 2 | 1 | 0.22 | 7.37 |
| 2024/2025 | Premiership | 26 | 2142 | 0 | 1 | 0.04 | 6.95 |
| 2025/2026 | Premiership | 14 | 667 | 1 | 0 | 0.13 | 6.71 |
| 2026 | 1. Division | 14 | 1237 | 1 | 1 | 0.15 | 6.62 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-07-30
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Sandefjord | 12 | 8 | 3 | 1 | 0 | 0 | 3 | 0 |
 Sarpsborg 08 | 12 | 4 | 4 | 4 | 2 | 0 | 4 | 0 |
 Haugesund | 11 | 7 | 2 | 2 | 2 | 0 | 2 | 0 |
 Molde | 11 | 3 | 1 | 7 | 0 | 0 | 1 | 0 |
 Strømsgodset | 11 | 6 | 3 | 2 | 0 | 0 | 0 | 0 |
 Stabæk | 11 | 7 | 2 | 2 | 2 | 0 | 0 | 0 |
 Rosenborg | 11 | 4 | 3 | 4 | 1 | 0 | 4 | 0 |
 Bodø / Glimt | 11 | 5 | 3 | 3 | 1 | 0 | 3 | 0 |
 Lillestrøm | 11 | 5 | 3 | 3 | 3 | 1 | 2 | 0 |
 Viking | 10 | 3 | 4 | 3 | 0 | 0 | 3 | 0 |
 Odd | 10 | 5 | 3 | 2 | 1 | 1 | 3 | 0 |
 Tromsø | 10 | 5 | 3 | 2 | 0 | 1 | 3 | 0 |
 Vålerenga | 9 | 3 | 2 | 4 | 2 | 0 | 1 | 0 |
 Aalesund | 8 | 5 | 2 | 1 | 2 | 0 | 3 | 1 |
 Start | 7 | 6 | 1 | 0 | 0 | 0 | 1 | 0 |
 Celtic | 6 | 0 | 1 | 5 | 0 | 0 | 4 | 0 |
 Dundee United | 6 | 1 | 3 | 2 | 0 | 0 | 0 | 0 |
 Motherwell | 6 | 2 | 0 | 4 | 0 | 0 | 1 | 0 |
 Kristiansund | 6 | 3 | 1 | 2 | 1 | 0 | 2 | 0 |
 Sogndal | 6 | 5 | 1 | 0 | 0 | 0 | 0 | 0 |
Sivert Heltne Nilsen's 2026 1. Division season produced 1 goal and 1 assist across 14 appearances (1,237 minutes) — 0.15 goal involvements per 90. His average match rating for that season computes to 6.62.
His ratings range from 6.62 (2026) up to 7.46 in 2023, Eliteserien. His two latest rated seasons run 0.51 lower than the rest of his career.
