StockData
MRMNasdaqServices-Personal ServicesFiscal year ends December 31

Medirom Healthcare Technologies Inc.

Financials through fiscal 2024, year ended Dec 31, 2024
$0.36+0.00 (+0.14%)

Close on Oct 19, 2026

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
2.2%
0M of 8M shares
Institutional holders
8
3 new, 0 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Triple One Investment Partnership380,0197.10%13G (passive)Oct 25, 2024
Kouji Eguchi2,031,55825.11%13D (active) amendmentAug 27, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of MRMValueChange% of portfolio
Citadel Advisors LLC56,1020.71%$57.79KNew0.00%
Hrt Financial LP54,7550.69%$56+42,8500.00%
UBS Group AG27,1810.34%$28.00K+6330.00%
Virtu Financial LLC15,7850.20%$16New0.00%
Two Sigma Securities, LLC10,5650.13%$10.88K−3,4120.00%
GAMMA Investing LLC3,7980.05%$3.91K−2,6110.00%
Rhumbline Advisers3,1040.04%$3.20K+1,1200.00%
SRS Capital Advisors, Inc.3000.00%$309New0.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 202680M2.2%3 / 32 / 00M0M
Q1 202650M0.8%2 / 12 / 00M0M
Q4 202530M0.2%1 / 20 / 20M0M
Q3 202540M2.1%1 / 30 / 30M0M
Q2 202560M0.9%4 / 02 / 10M0M
Q1 202530M2.3%1 / 20 / 30M0M
Q4 202450M1.5%4 / 10 / 20M0M
Q3 202430M0.4%1 / 10 / 00M0M
Q2 202420M0.0%1 / 01 / 00M0M
Q1 202410M0.0%0 / 10 / 00M0M
Q4 202310M0.0%0 / 01 / 10M0M
Q3 202320M0.0%2 / 00 / 00M0M

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Kouji EguchiChief Executive Officer, Director, 10% owner1,820,05823.03%Aug 28, 2026
Fumitoshi FujiwaraChief Financial Officer, Director40,0000.51%Mar 18, 2026
Yoshio UekusaDirector28,8370.36%Jun 9, 2026
Akira NojimaDirector1,2000.02%Mar 18, 2026
Tomoya OgawaDirector28,5000.36%Mar 18, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Kouji Eguchi
Chief Executive Officer, Director, 10% owner
Aug 27, 2026Other−79,945––1,797,515

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.