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Medirom Healthcare Technolog (MRM)

CUSIP: 58510H103 | US | Consumer Cyclical · Personal Services | Micro Cap | 21 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13D/AKouji Eguchi
with Cozy LLC
2,031,55825.1%New 5%+ stakeAug 27, 2026No 13F filer matched
13D/AKufu Company Holdings, Inc.00.0%Fell below 5%Jul 14, 2026No 13F filer matched
13D/AKouji Eguchi2,031,558
25.1% of class · Aug 27, 2026New 5%+ stake
with Cozy LLC
No 13F filer matched
13D/AKufu Company Holdings, Inc.0
0.0% of class · Jul 14, 2026Fell below 5%
No 13F filer matched

Institutional Holders — Q3 2026

Gamma Investing LLC17
0.0% of portfolio›$11
StyleTurnoverLocationFiled
Gamma Investing LLC
17$110.0%IndexVery LowFoster City, CA2026-10-08