/
| Champion | Won | Lost | Days |
|---|---|---|---|
| Aaron McKenna | 8 Aug 2026 | Current | 73 |
| Sergiy Derevyanchenko | 5 Oct 2019 | 6 Feb 2023 | 1,220 |
| Daniel Jacobs | 27 Oct 2018 | 4 May 2019 | 189 |
| Gennady Golovkin | 17 Oct 2015 | 6 Jun 2018 | 963 |
| Jermain Taylor | 8 Oct 2014 | 5 Feb 2015 | 120 |
| Felix Sturm | 7 Dec 2013 | 31 May 2014 | 175 |
| Daniel Geale | 7 May 2011 | 17 Aug 2013 | 833 |
| Sebastian Sylvester | 19 Sept 2009 | 7 May 2011 | 595 |
| Arthur Abraham | 20 Dec 2005 | 11 Jul 2009 | 1,299 |
| Bernard Hopkins | 29 Apr 1995 | 16 Jul 2005 | 3,731 |
| Roy Jones Jr. | 22 May 1993 | 25 Aug 1994 | 460 |
| James Toney | 10 May 1991 | 15 Feb 1993 | 647 |
| Michael Nunn | 28 Jul 1988 | 10 May 1991 | 1,016 |
| Frank Tate | 10 Oct 1987 | 28 Jul 1988 | 292 |
Built from title bouts on record. Vacated or stripped titles are not visible in bout results, so very recent changes can lag.