MEDIROM HEALTHCARE TECH INC (MRM)
Institutional ownership reported to the SEC as of Q2 2026, across 22 quarters.
6
Reporting holders
$104.1K
Reported value
0.0%
Held as options
+2
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| CITADEL ADVISORS LLC | $57.8K | 56,102 | 0.00% | new | NEW |
| UBS Group AG | $28.0K | 27,181 | 0.00% | 3q | +2.4% |
| TWO SIGMA SECURITIES, LLC | $10.9K | 10,565 | 0.00% | 2q | -24.4%-$3.5K |
| GAMMA Investing LLC | $3.9K | 3,798 | 0.00% | 5q | -40.7%-$2.7K |
| RHUMBLINE ADVISERS | $3.2K | 3,104 | 0.00% | 5q | +56.5%+$1.2K |
| Arax Advisory Partners | $309 | 300 | 0.00% | new | NEW |
| HRT FINANCIAL LP | $56 | 54,755 | 0.00% | 2q | +359.9% |
| Virtu Financial LLC | $16 | 15,785 | 0.00% | new | NEW |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-07-17 | 13D/A | Kufu Company Holdings, Inc. | 0.0% |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 6 | $104.1K | 101,050 | 2 | 2 | 2 | 0.0% |
| Q1 2026 | 4 | $54.8K | 48,918 | 1 | 1 | 2 | 0.0% |
| Q4 2025 | 3 | $35.7K | 18,424 | 1 | 2 | 0 | 0.0% |
| Q3 2025 | 4 | $348.5K | 164,369 | 1 | 3 | 0 | 0.0% |
| Q2 2025 | 6 | $102.8K | 72,712 | 4 | 0 | 2 | 0.0% |
| Q1 2025 | 3 | $66.0K | 179,778 | 1 | 2 | 0 | 0.0% |
| Q4 2024 | 5 | $126.8K | 122,150 | 4 | 1 | 0 | 0.0% |
| Q3 2024 | 3 | $54.2K | 29,004 | 1 | 1 | 0 | 0.0% |
| Q2 2024 | 2 | $216 | 55 | 1 | 0 | 1 | 0.0% |
| Q1 2024 | 1 | $2.5K | 407 | 0 | 1 | 0 | 0.0% |
| Q4 2023 | 1 | $143 | 25 | 0 | 0 | 1 | 0.0% |
| Q3 2023 | 2 | $323 | 56 | 2 | 0 | 0 | 0.0% |
| Q1 2023 | 1 | $25 | 4 | 0 | 0 | 1 | 0.0% |
| Q4 2022 | 1 | $8.7K | 1,939 | 0 | 0 | 1 | 0.0% |
| Q3 2022 | 1 | $13.0K | 2,112 | 0 | 0 | 0 | 0.0% |
| Q2 2022 | 1 | $13.0K | 2,105 | 0 | 0 | 1 | 0.0% |
| Q1 2022 | 4 | $116.0K | 15,714 | 3 | 0 | 1 | 0.0% |
| Q4 2021 | 2 | $79.0K | 13,026 | 0 | 1 | 1 | 0.0% |
| Q3 2021 | 4 | $101.0K | 11,821 | 4 | 0 | 0 | 0.0% |
| Q2 2021 | 1 | $664.0K | 68,500 | 0 | 0 | 0 | 0.0% |
| Q1 2021 | 4 | $1.1M | 100,135 | 2 | 0 | 1 | 0.0% |
| Q4 2020 | 2 | $1.0M | 70,901 | 2 | 0 | 0 | 0.0% |