Institutional Ownership Medirom Healthcare Technologies Inc. (MRM)
This table provides information about the institutional ownership of Medirom Healthcare Technologies Inc. (MRM). We have compiled data on the 5 institutions that hold shares in the stock, with a total of 164,369 shares, which have been reported (via 13F filing form) to have a value of $328,000.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Jane Street Group, LLC
New York, NY |
Nov 13, 2025 Q3 2025 |
155,071
shares
|
$310,142
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Gamma Investing LLC
Foster City, CA |
Oct 02, 2025 Q3 2025 |
4,614
shares
|
$9,228
0.0% of portfolio
|
Q3 2025
Added 4336.54%
|
|
|
Tower Research Capital LLC (Trc)
New York, NY |
Nov 14, 2025 Q3 2025 |
3,377
shares
|
$6,754
0.0% of portfolio
|
Q3 2025
Added 30600.0%
|
|
|
Rhumbline Advisers
Boston, MA |
Nov 06, 2025 Q3 2025 |
1,307
shares
|
$2,614
0.0% of portfolio
|
Q3 2025
Added 18.82%
|
|
|
Concourse Financial Group Securities, Inc.
Birmingham, AL |
Aug 12, 2025 Q2 2025 |
0
shares
|
$0
100.0% of portfolio
|
Q2 2025
New holding
|