/
| Champion | Won | Lost | Days |
|---|---|---|---|
| Alexander Volkanovski | 1 Feb 2026 | Current | 261 |
| Ilia Topuria | 17 Feb 2024 | 1 Feb 2026 | 715 |
| Alexander Volkanovski | 14 Dec 2019 | 17 Feb 2024 | 1,526 |
| Max Holloway | 3 Jun 2017 | 14 Dec 2019 | 924 |
| Conor McGregor | 12 Dec 2015 | 3 Jun 2017 | 539 |
| José Aldo | 2 Feb 2013 | 25 Oct 2014 | 630 |
Built from title bouts on record. Vacated or stripped titles are not visible in bout results, so very recent changes can lag.
