Open House Group Co., Ltd.

DB:O4H Stock Report

Market Cap: €5.0b

Open House Group Ownership

Who are the major shareholders and have insiders been buying or selling?


Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.


Ownership Breakdown

What is the ownership structure of O4H?
Owner TypeNumber of SharesOwnership Percentage
Private Companies00%
Employee Share Scheme1,191,8441.07%
General Public29,205,86926.3%
Institutions39,653,01035.6%
Individual Insiders41,205,60037%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.


Top Shareholders

Top 25 shareholders own 69.02% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
34.4%
Masaaki Arai
38,237,200€1.7b-5.44%no data
14%
Ichigo Asset Management International Pte Ltd
15,526,000€704.1m0%17.57%
1.9%
Vanguard Capital Management, LLC
2,112,474€95.8m0.19%no data
1.89%
Nomura Asset Management Co., Ltd.
2,101,700€95.3m-0.24%0.03%
1.8%
T. Rowe Price Group, Inc.
2,002,800€90.8m-0.06%0.01%
1.59%
Morgan Stanley
1,765,271€80.1m38.3%0.01%
1.44%
BlackRock, Inc.
1,600,500€72.6m0.62%no data
1.26%
Hitoshi Imamura
1,404,700€63.7m-17.8%no data
1.14%
Norges Bank Investment Management
1,263,961€57.3m0%no data
1.12%
Daiwa Asset Management Co., Ltd.
1,249,700€56.7m-0.74%0.03%
1.07%
Open House Co., Employees' Shareholding Association
1,191,844€54.0m-12%no data
1.05%
Dimensional Fund Advisors LP
1,171,962€53.1m1.42%0.01%
0.89%
Amova Asset Management Co., Ltd.
988,200€44.8m1.01%0.01%
0.84%
Arcus Investment Ltd.
931,000€42.2m0%1.76%
0.79%
Ryosuke Fukuoka
878,300€39.8m0%no data
0.62%
Orbis Investment Management Limited
684,800€31.1m0%0.08%
0.56%
Vanguard Fiduciary Trust Company
621,448€28.2m0.37%no data
0.46%
Mitsubishi UFJ Asset Management Co., Ltd.
512,900€23.3m-0.39%0.01%
0.39%
AllianceBernstein L.P.
434,147€19.7m25.7%0.01%
0.38%
Arbejdsmarkedets Tillægspension (Atp)
427,400€19.4m0%0.12%
0.33%
FMR LLC
364,039€16.5m-19.2%no data
0.32%
Columbia Management Investment Advisers, LLC
359,100€16.3m43.1%no data
0.32%
Victory Capital Management Inc.
353,200€16.0m47.1%0.01%
0.3%
Hermes Investment Management Limited
335,634€15.2m-3.82%0.09%
0.25%
Aberdeen Group Plc
275,833€12.5m0%0.01%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/06/09 09:14
End of Day Share Price 2026/06/09 00:00
Earnings2026/03/31
Annual Earnings2025/09/30

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Open House Group Co., Ltd. is covered by 9 analysts. 6 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Tomoyoshi OmuroBofA Global Research
Kazue YanagisawaCLSA
Jiro KojimaDaiwa Securities Co. Ltd.