MEDIROM Healthcare Ownership | Who Owns MEDIROM Healthcare?

MEDIROM Healthcare Ownership Summary

MEDIROM Healthcare is owned by 0.12% institutional investors, 26.42% insiders, and 73.47% retail investors. Jane street group is the largest institutional shareholder, holding 3.04% of MRM shares. Core Guided Moderate Tax-Managed is the top mutual fund, with 0.00% of its assets in MEDIROM Healthcare shares.

MRM Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	MEDIROM Healthcare	0.12%	26.42%	73.47%
Sector	Consumer Cyclical Stocks	42.53%	14.10%	43.38%
Industry	Personal Services Stocks	24.64%	8.83%	66.53%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Jane street group	155.07K	3.04%	$328.75M
Gamma investing	4.61K	0.09%	$9.78K
Tower research capital llc (trc)	3.38K	0.07%	$7.16K
Rhumbline advisers	1.31K	0.03%	$2.77K
Bank of america corp /de/	25.00	0.00%	$98.00
Mariner	-	-	-
Heights capital management	-	-	-
Virtu financial	-	-	-
Ubs group	-	-	-
Xtx topco	-	-	-

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Gamma investing	4.61K	0.00%	$9.78K
Tower research capital llc (trc)	3.38K	0.00%	$7.16K
Jane street group	155.07K	0.00%	$328.75M
Virtu financial	-	-	-
Ubs group	-	-	-
Xtx topco	-	-	-
Warberg asset management	-	-	-
Mariner	-	-	-
Heights capital management	-	-	-
Bank of america corp /de/	25.00	-	$98.00

Top Buyers

Holder	Shares	% Assets	Change
Jane street group	155.07K	0.00%	155.07K
Gamma investing	4.61K	0.00%	4.51K
Tower research capital llc (trc)	3.38K	0.00%	3.37K
Rhumbline advisers	1.31K	-	207.00
Bank of america corp /de/	25.00	-	-382.00

Top Sellers

Holder	Shares	% Assets	Change
Heights capital management	-	-	-35.58K
Ubs group	-	-	-33.28K
Warberg asset management	-	-	-22.92K
Mariner	-	-	-19.00K
Xtx topco	-	-	-14.07K

New Positions

Holder	Shares	% Assets	Change	Value
Jane street group	155.07K	0.00%	155.07K	$328.75M

Sold Out

Holder	Change
Virtu financial	-10.94K
Xtx topco	-14.07K
Mariner	-19.00K
Warberg asset management	-22.92K
Ubs group	-33.28K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	2	-66.67%	5,921	-91.86%	-	5.72%	2	-50.00%	-	-100.00%
Jun 30, 2025	6	100.00%	72,712	-59.55%	1	11.49%	4	33.33%	2	-
Mar 31, 2025	3	-40.00%	179,778	47.18%	3	62.95%	3	-40.00%	-	-
Dec 31, 2024	5	66.67%	122,150	321.15%	2	750.04%	5	150.00%	-	-
Sep 30, 2024	3	50.00%	29,004	52634.55%	-	45311372.73%	2	100.00%	-	-100.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Core Guided Moderate Tax-Managed	16.00	0.00%	16.00

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jun 11, 2009	COHEN EDWARD H	-	Sell	$27.95K
Jun 23, 2004	COHEN EDWARD H	-	Sell	$14.95K

MRM Ownership FAQ

Who Owns MEDIROM Healthcare?

MEDIROM Healthcare shareholders are primarily institutional investors at 0.12%, followed by 26.42% insiders and 73.46% retail investors. The average institutional ownership in MEDIROM Healthcare's industry, Personal Services Stocks , is 24.64%, which MEDIROM Healthcare falls below.

Who owns the most shares of MEDIROM Healthcare?

MEDIROM Healthcare’s largest shareholders are Jane street group (155.07K shares, 3.04%), Gamma investing (4.61K shares, 0.09%), and Tower research capital llc (trc) (3.38K shares, 0.07%). Together, they hold 3.19% of MEDIROM Healthcare’s total shares outstanding.

Does Blackrock own MEDIROM Healthcare?

BlackRock is not among the top 10 institutional shareholders of MEDIROM Healthcare.

Who is MEDIROM Healthcare’s biggest shareholder by percentage of total assets invested?

Gamma investing is MEDIROM Healthcare’s biggest shareholder by percentage of total assets invested, with 0.00% of its assets in 4.61K MEDIROM Healthcare shares, valued at 9.78K$.

Who is the top mutual fund holder of MEDIROM Healthcare shares?

Core Guided Moderate Tax-Managed is the top mutual fund holder of MEDIROM Healthcare shares, with 0.00% of its total shares outstanding invested in 16 MEDIROM Healthcare shares.

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