/
| Champion | Won | Lost | Days |
|---|---|---|---|
| Islam Makhachev | 15 Nov 2025 | Current | 340 |
| Jack Della Maddalena | 10 May 2025 | 15 Nov 2025 | 189 |
| Belal Muhammad | 27 Jul 2024 | 10 May 2025 | 287 |
| Leon Edwards | 20 Aug 2022 | 27 Jul 2024 | 707 |
| Kamaru Usman | 2 Mar 2019 | 20 Aug 2022 | 1,267 |
| Tyron Woodley | 30 Jul 2016 | 2 Mar 2019 | 945 |
| Robbie Lawler | 6 Dec 2014 | 30 Jul 2016 | 602 |
| Georges St-Pierre | 16 Mar 2013 | 16 Nov 2013 | 245 |
Built from title bouts on record. Vacated or stripped titles are not visible in bout results, so very recent changes can lag.
