[4] In February 2014, former ōzeki Kaiō branched off and formed Asakayama stable, taking two wrestlers from Tomozuna with him.
[5] In June 2017, Kyokutenhō became the 11th Tomozuna's owner, and the first Mongolian born wrestler to take charge of a stable.
The agreement was presented as having the objective of cooperating further in a wide range of areas, including tourism, culture, sports, and educational promotion, and work closely to revitalize local communities.
[8] It was reported during the November 2023 tournament that Ōshima stable was preparing to move from Sumida to a new three-story location in the Aoto section of Katsushika.
[10] Many wrestlers at this stable have taken ring names or shikona that begin with the character 魁 (read: kai), in deference to their former head coach Kaiki.