Medirom Healthcare Tech Inc

CUSIP 58510H103SPONSORED ADSMRMQ4 2025

Medirom Healthcare Tech Inc — Owners — 13D/13G Beneficial Ownership · FBInvestor

13D / 13G Filings

Schedule 13D/13G on record

Beneficial Filers

Distinct reporting persons

Largest Stake

41.7%

Max % of class reported

Institutional Holders

13F filers (latest quarter)

6 filings · latest Sep 2, 2025

#	Filed	Reporting Person	Form	% of Class	Shares	Filing
1	Sep 2, 2025	Kouji Eguchi	13D/A	25.8%	—	SEC
2	May 30, 2025	Kufu Company Holdings, Inc.	13D/A	7.7%	—	SEC
3	Dec 10, 2024	Triple One Investment Partnership	13G	7.1%	380.0K	SEC

Largest reported positions · latest quarter

#	Fund	Shares	Value
1	Gamma Investing LLC	10.6K	$20.5K
2	Rhumbline Advisers	4.3K	$8.3K
3	Ubs Group AG	3.6K	$7.0K