Stock Analysis

Top Key Executive Zheng Tan, BrainAurora Medical Technology Limited's (HKG:6681) largest shareholder sees value of holdings go down 9.7% after recent drop

SEHK:6681
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Key Insights

  • Significant insider control over BrainAurora Medical Technology implies vested interests in company growth
  • 53% of the business is held by the top 4 shareholders
  • Ownership research, combined with past performance data can help provide a good understanding of opportunities in a stock

To get a sense of who is truly in control of BrainAurora Medical Technology Limited (HKG:6681), it is important to understand the ownership structure of the business. And the group that holds the biggest piece of the pie are individual insiders with 50% ownership. Put another way, the group faces the maximum upside potential (or downside risk).

As market cap fell to HK$7.1b last week, insiders would have faced the highest losses than any other shareholder groups of the company.

In the chart below, we zoom in on the different ownership groups of BrainAurora Medical Technology.

Check out our latest analysis for BrainAurora Medical Technology

ownership-breakdown
SEHK:6681 Ownership Breakdown July 10th 2025

What Does The Lack Of Institutional Ownership Tell Us About BrainAurora Medical Technology?

Small companies that are not very actively traded often lack institutional investors, but it's less common to see large companies without them.

There are multiple explanations for why institutions don't own a stock. The most common is that the company is too small relative to funds under management, so the institution does not bother to look closely at the company. Alternatively, there might be something about the company that has kept institutional investors away. Institutional investors may not find the historic growth of the business impressive, or there might be other factors at play. You can see the past revenue performance of BrainAurora Medical Technology, for yourself, below.

earnings-and-revenue-growth
SEHK:6681 Earnings and Revenue Growth July 10th 2025

Hedge funds don't have many shares in BrainAurora Medical Technology. From our data, we infer that the largest shareholder is Zheng Tan (who also holds the title of Top Key Executive) with 24% of shares outstanding. Its usually considered a good sign when insiders own a significant number of shares in the company, and in this case, we're glad to see a company insider play the role of a key stakeholder. For context, the second largest shareholder holds about 11% of the shares outstanding, followed by an ownership of 9.8% by the third-largest shareholder. Interestingly, the third-largest shareholder, Mingqiu Li is also a Member of the Board of Directors, again, indicating strong insider ownership amongst the company's top shareholders.

Our research also brought to light the fact that roughly 53% of the company is controlled by the top 4 shareholders suggesting that these owners wield significant influence on the business.

Researching institutional ownership is a good way to gauge and filter a stock's expected performance. The same can be achieved by studying analyst sentiments. There is some analyst coverage of the stock, but it could still become more well known, with time.

Insider Ownership Of BrainAurora Medical Technology

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.

I generally consider insider ownership to be a good thing. However, on some occasions it makes it more difficult for other shareholders to hold the board accountable for decisions.

Our information suggests that insiders own more than half of BrainAurora Medical Technology Limited. This gives them effective control of the company. So they have a HK$3.6b stake in this HK$7.1b business. It is good to see this level of investment. You can check here to see if those insiders have been buying recently.

General Public Ownership

The general public-- including retail investors -- own 26% stake in the company, and hence can't easily be ignored. While this group can't necessarily call the shots, it can certainly have a real influence on how the company is run.

Private Company Ownership

We can see that Private Companies own 23%, of the shares on issue. It's hard to draw any conclusions from this fact alone, so its worth looking into who owns those private companies. Sometimes insiders or other related parties have an interest in shares in a public company through a separate private company.

Next Steps:

While it is well worth considering the different groups that own a company, there are other factors that are even more important. Take risks for example - BrainAurora Medical Technology has 1 warning sign we think you should be aware of.

But ultimately it is the future, not the past, that will determine how well the owners of this business will do. Therefore we think it advisable to take a look at this free report showing whether analysts are predicting a brighter future.

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.

Valuation is complex, but we're here to simplify it.

Discover if BrainAurora Medical Technology might be undervalued or overvalued with our detailed analysis, featuring fair value estimates, potential risks, dividends, insider trades, and its financial condition.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.