Medirom Healthcare TechnologMRM
13F holders, Q4 2025 (December 31)3holders −1
1new positions
2sold out
$1.94avg. 13F price*
At the end of Q4 2025, 3 institutions reported holding Medirom Healthcare Technolog (MRM) in their 13F filings, down 1 from Q3 2025. 1 opened new positions and 2 sold out. The largest holders were GAMMA Investing LLC ($20K), Rhumbline Advisers ($8K) and UBS Group AG ($7K).
- Company
- Medirom Healthcare Technolog
- CUSIP
- 58510H103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $7K |
| Exits | 2 | $336K |
All 13F filers, Q3 2025 → Q4 2025: 12,503 shares bought and 158,448 shares sold, net −145,945 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 3 holders
| GAMMA Investing LLC | 0.00% | Add +128.8% | 10,555 | $20K |
| Rhumbline Advisers | 0.00% | Add +225.4% | 4,253 | $8K |
| UBS Group AG | 0.00% | New | 3,616 | $7K |
"% of holder's portfolio" is MRM's weight in each manager's 13F, not the share of Medirom Healthcare Technolog the manager owns.