IR
Superintel
OverviewMarketsWatchlist
© 2026 IR SuperintelMethodologyContact

Medirom Healthcare Technolog (MRM)

Q2 2026 vs Q3 2026

Comparing institutional holders between quarters

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile
Gamma Investing LLC
DECREASED
Shares17 from 3,798
Change-3,781 (-100%)
Value$11 (-$3.9K)
Filed 2026-10-08
Citadel Advisors LLC
N/A
Shares— from 56,102
Change-56,102 (-100%)
Value—
HRT Financial LP
N/A
Shares— from 54,755
Change-54,755 (-100%)
Value—
UBS Group AG
N/A
Shares— from 27,181
Change-27,181 (-100%)
Value—
Virtu Financial LLC
N/A
Shares— from 15,785
Change-15,785 (-100%)
Value—
Two Sigma Securities, LLC
N/A
Shares— from 10,565
Change-10,565 (-100%)
Value—
Rhumbline Advisers
N/A
Shares— from 3,104
Change-3,104 (-100%)
Value—
Arax Advisory Partners
N/A
Shares— from 300
Change-300 (-100%)
Value—
Status
Gamma Investing LLC
DECREASED173,798-3,781-100%$3.9K$11-$3.9K2026-10-08
Citadel Advisors LLC
N/A—56,102-56,102-100%$57.8K———
HRT Financial LP
N/A—54,755-54,755-100%$56.0K———
UBS Group AG
N/A—27,181-27,181-100%$28.0K———
Virtu Financial LLC
N/A—15,785-15,785-100%$16———
Two Sigma Securities, LLC
N/A—10,565-10,565-100%$10.9K———
Rhumbline Advisers
N/A—3,104-3,104-100%$3.2K———
Arax Advisory Partners
N/A—300-300-100%$309———
Showing 8 of 8 institutions