Insiders the biggest winners as Open House Group Co., Ltd.'s (TSE:3288) market cap rises to JP¥759b

Simply Wall St · 4d ago

Key Insights

Every investor in Open House Group Co., Ltd. (TSE:3288) should be aware of the most powerful shareholder groups. And the group that holds the biggest piece of the pie are individual insiders with 39% ownership. That is, the group stands to benefit the most if the stock rises (or lose the most if there is a downturn).

As a result, insiders were the biggest beneficiaries of last week’s 3.3% gain.

Let's delve deeper into each type of owner of Open House Group, beginning with the chart below.

See our latest analysis for Open House Group

ownership-breakdown
TSE:3288 Ownership Breakdown July 4th 2025

What Does The Institutional Ownership Tell Us About Open House Group?

Institutional investors commonly compare their own returns to the returns of a commonly followed index. So they generally do consider buying larger companies that are included in the relevant benchmark index.

We can see that Open House Group does have institutional investors; and they hold a good portion of the company's stock. This suggests some credibility amongst professional investors. But we can't rely on that fact alone since institutions make bad investments sometimes, just like everyone does. If multiple institutions change their view on a stock at the same time, you could see the share price drop fast. It's therefore worth looking at Open House Group's earnings history below. Of course, the future is what really matters.

earnings-and-revenue-growth
TSE:3288 Earnings and Revenue Growth July 4th 2025

Hedge funds don't have many shares in Open House Group. Masaaki Arai is currently the company's largest shareholder with 36% of shares outstanding. With 13% and 2.7% of the shares outstanding respectively, Ichigo Trust Pte Ltd. and The Vanguard Group, Inc. are the second and third largest shareholders.

To make our study more interesting, we found that the top 3 shareholders have a majority ownership in the company, meaning that they are powerful enough to influence the decisions of the company.

While it makes sense to study institutional ownership data for a company, it also makes sense to study analyst sentiments to know which way the wind is blowing. There are plenty of analysts covering the stock, so it might be worth seeing what they are forecasting, too.

Insider Ownership Of Open House Group

The definition of company insiders can be subjective and does vary between jurisdictions. Our data reflects individual insiders, capturing board members at the very least. The company management answer to the board and the latter should represent the interests of shareholders. Notably, sometimes top-level managers are on the board themselves.

Most consider insider ownership a positive because it can indicate the board is well aligned with other shareholders. However, on some occasions too much power is concentrated within this group.

Our most recent data indicates that insiders own a reasonable proportion of Open House Group Co., Ltd.. Insiders own JP¥296b worth of shares in the JP¥759b company. That's quite meaningful. Most would be pleased to see the board is investing alongside them. You may wish to access this free chart showing recent trading by insiders.

General Public Ownership

With a 29% ownership, the general public, mostly comprising of individual investors, have some degree of sway over Open House Group. This size of ownership, while considerable, may not be enough to change company policy if the decision is not in sync with other large shareholders.

Private Company Ownership

We can see that Private Companies own 13%, of the shares on issue. It might be worth looking deeper into this. If related parties, such as insiders, have an interest in one of these private companies, that should be disclosed in the annual report. Private companies may also have a strategic interest in the company.

Next Steps:

I find it very interesting to look at who exactly owns a company. But to truly gain insight, we need to consider other information, too. Take risks for example - Open House Group has 1 warning sign we think you should be aware of.

If you would prefer discover what analysts are predicting in terms of future growth, do not miss this free report on analyst forecasts.

NB: Figures in this article are calculated using data from the last twelve months, which refer to the 12-month period ending on the last date of the month the financial statement is dated. This may not be consistent with full year annual report figures.