Latest Period
Q1 2026
Security Snapshot
Medirom Healthcare Technologies Inc. - American depositary shares, each representing one common share, no par value (MRM) Institutional Ownership
CUSIP: 58510H103
13F Institutional Holders and Ownership History from Q4 2020 to Q2 2026
Institutions Reporting
5
Shares (Excl. Options)
60,823
Price
$1.12
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- Security type / class
- Equity / American depositary shares, each representing one common share, no par value
- Symbol
- MRM on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 60,823
- Total 13F value
- $67,788
- Portfolio coverage rank
- 0%
- Share change
- +42,399
- Value change
- +$47,154
- Number of holders
- 5
- Shares outstanding
- 8,052,010
- SEC-reported price per share
- $1.03
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- MRM - Medirom Healthcare Technologies Inc. - American depositary shares, each representing one common share, no par value is tracked under CUSIP 58510H103.
- 5 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 5 to 1 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $67,788 to $3,912.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 5 institutions filings for Q1 2026.
Security key
58510H103
Latest holder period
Q1 2026
13F holders
5
13D/G owners
1
CIK / CUSIP context first
Open Q1 2026 holders
MRM full holder history
Medirom Healthcare Technologies Inc. SEC filings
Medirom Healthcare Technologies Inc. company facts
Medirom Healthcare Technologies Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 58510H103:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
MRM
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Eguchi Kouji | 26% | $2,739,004 | 2,075,003 | Kouji Eguchi | 11 Dec 2024 |
As of 31 Mar 2026, 5 institutional investors reported holding 60,823 shares of Medirom Healthcare Technologies Inc. - American depositary shares, each representing one common share, no par value (MRM). This represents 0.76% of the company’s total 8,052,010 outstanding shares.
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
23
Latest
Q1 2026
Rows shown
1-23 of 23
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 3,798 | $3,912 | -$2,689 | $1.03 | 1 |
| 2026 Q1 | 60,823 | $67,788 | +$47,154 | $1.12 | 5 |
| 2025 Q4 | 18,424 | $35,743 | -$311,652 | $1.94 | 3 |
| 2025 Q3 | 164,369 | $348,461 | +$244,746 | $2.12 | 4 |
| 2025 Q2 | 72,712 | $102,845 | -$136,260 | $1.42 | 6 |
| 2025 Q1 | 179,778 | $65,964 | -$21,650 | $0.37 | 3 |
| 2024 Q4 | 122,150 | $126,798 | +$75,145 | $1.03 | 5 |
| 2024 Q3 | 29,004 | $87,186 | +$87,021 | $3.00 | 3 |
| 2024 Q2 | 55 | $216 | -$1,379 | $3.93 | 2 |
| 2024 Q1 | 407 | $2,499 | +$2,346 | $6.14 | 1 |
| 2023 Q4 | 25 | $143 | -$177 | $5.72 | 1 |
| 2023 Q3 | 56 | $323 | +$323 | $5.72 | 2 |
| 2023 Q2 | 0 | $0 | -$25 | $1.03 | 0 |
| 2023 Q1 | 4 | $25 | -$12,094 | $6.25 | 1 |
| 2022 Q4 | 1,939 | $8,745 | -$780 | $4.51 | 1 |
| 2022 Q3 | 2,112 | $13,000 | +$43 | $6.16 | 1 |
| 2022 Q2 | 2,105 | $13,000 | -$88,597 | $6.18 | 1 |
| 2022 Q1 | 15,714 | $116,000 | +$20,206 | $7.38 | 4 |
| 2021 Q4 | 13,026 | $79,000 | -$18,736 | $5.68 | 2 |
| 2021 Q3 | 11,821 | $101,000 | -$563,000 | $8.55 | 4 |
| 2021 Q2 | 68,500 | $664,000 | -$352,000 | $9.69 | 1 |
| 2021 Q1 | 100,135 | $1,134,000 | +$324,523 | $11.26 | 4 |
| 2020 Q4 | 70,901 | $1,021,000 | +$1,021,000 | $14.49 | 2 |