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Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.
Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.
About 1.43% of MRM shares are held by financial institutions. MARINER, LLC is the top corporate investor, holding 0 shares valued at -. A 0% stake in MEDIROM Healthcare Technologies Inc. is owned by the company. TOWER RESEARCH CAPITAL LLC (TRC) owns 3.38K shares valued at $7.16K, which translates its holding of 0.07% of the stake in the company.
| Date | Holder | % Stake | Shares Held | Total Value ($) | Shares | % Change in Portfolio |
|---|---|---|---|---|---|---|
| Sep 30, 2025 | MARINER, LLC | 0% | 0 | - | -19K | -100.00% |
| Sep 30, 2025 | TOWER RESEARCH CAPITAL LLC (TRC) | 0.07% | 3.38K | 7.16K | 3.37K | +30,600.00% |
| Sep 30, 2025 | GAMMA INVESTING LLC | 0.09% | 4.61K | 9.78K | 4.51K | +4,336.54% |
| Sep 30, 2025 | CITADEL ADVISORS LLC | 0% | 0 | - | -19.22K | -100.00% |
| Sep 30, 2025 | RHUMBLINE ADVISERS | 0.03% | 1.31K | 2.77K | 207 | +18.82% |
| Sep 30, 2025 | UBS GROUP AG | 0% | 0 | - | -33.28K | -100.00% |
| Sep 30, 2025 | JANE STREET GROUP, LLC | 3.04% | 155.07K | 328.75K | 155.07K | +100.00% |
| Jun 30, 2025 | TOWER RESEARCH CAPITAL LLC (TRC) | 0% | 11 | 16 | 11 | +100.00% |
| Jun 30, 2025 | UBS GROUP AG | 0.65% | 33.28K | 47.26K | -65K | -66.14% |
| Jun 30, 2025 | CITADEL ADVISORS LLC | 0.38% | 19.22K | 26.9K | -48.21K | -71.50% |
| Jun 30, 2025 | RHUMBLINE ADVISERS | 0.02% | 1.1K | 1.54K | 1.1K | +100.00% |
| Jun 30, 2025 | MARINER, LLC | 0.37% | 19K | 26.98K | 19K | +100.00% |
| Jun 30, 2025 | XTX TOPCO LTD | 0% | 0 | - | -14.07K | -100.00% |
| Jun 30, 2025 | GAMMA INVESTING LLC | 0% | 104 | 148 | 104 | +100.00% |
| Mar 31, 2025 | GAMMA INVESTING LLC | 0% | 0 | - | -4.92K | -100.00% |
| Mar 31, 2025 | UBS GROUP AG | 1.92% | 98.28K | 36.17K | 53.11K | +117.57% |
| Mar 31, 2025 | CITADEL ADVISORS LLC | 1.32% | 67.43K | 24.65K | 67.43K | +100.00% |
| Mar 31, 2025 | XTX TOPCO LTD | 0.28% | 14.07K | 5.14K | 508 | +3.75% |
| Mar 31, 2025 | HEIGHTS CAPITAL MANAGEMENT, INC | 0% | 0 | - | -35.58K | -100.00% |
| Mar 31, 2025 | WARBERG ASSET MANAGEMENT LLC | 0% | 0 | - | -22.92K | -100.00% |
| Mar 31, 2024 | BANK OF AMERICA CORP /DE/ | 0.01% | 407 | 2.5K | 382 | +1,528.00% |
| Dec 31, 2023 | TOWER RESEARCH CAPITAL LLC (TRC) | 0% | 0 | - | -6 | -100.00% |
| Dec 31, 2023 | BANK OF AMERICA CORP /DE/ | 0% | 25 | 143 | -25 | -50.00% |
| Sep 30, 2023 | BANK OF AMERICA CORP /DE/ | 0% | 50 | 289 | 50 | +100.00% |
| Sep 30, 2023 | TOWER RESEARCH CAPITAL LLC (TRC) | 0% | 6 | 34 | 6 | +100.00% |
Among the MRM insiders holding of 26.42% of the stake in company, COHEN EDWARD H, director, holds the largest shares of 18.5K. , , is the second largest MRM insider with ownership of - shares. , , stands third with possession of - shares of that stake.
| Insiders | Designation | Shares Held |
|---|---|---|
| COHEN EDWARD H | director | 18.5K |
| Date | Insider | Type | Cost | Shares | Value ($) | Shares Total |
|---|---|---|---|---|---|---|
| Jun 11, 2009 | COHEN EDWARD H | SALE | 11.18 | 2.5K | 27.95K | 18.5K |
| Jun 23, 2004 | COHEN EDWARD H | SALE | 9.06 | 1.65K | 14.95K | 13K |