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With 56% institutional ownership, Bank of Ireland Group plc (ISE:BIRG) is a favorite amongst the big guns

Simply Wall St·01/02/2026 05:00:09
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Key Insights

  • Institutions' substantial holdings in Bank of Ireland Group implies that they have significant influence over the company's share price
  • A total of 18 investors have a majority stake in the company with 50% ownership
  • Using data from analyst forecasts alongside ownership research, one can better assess the future performance of a company

To get a sense of who is truly in control of Bank of Ireland Group plc (ISE:BIRG), it is important to understand the ownership structure of the business. With 56% stake, institutions possess the maximum shares in the company. In other words, the group stands to gain the most (or lose the most) from their investment into the company.

Because institutional owners have a huge pool of resources and liquidity, their investing decisions tend to carry a great deal of weight, especially with individual investors. Hence, having a considerable amount of institutional money invested in a company is often regarded as a desirable trait.

Let's take a closer look to see what the different types of shareholders can tell us about Bank of Ireland Group.

See our latest analysis for Bank of Ireland Group

ownership-breakdown
ISE:BIRG Ownership Breakdown January 2nd 2026

What Does The Institutional Ownership Tell Us About Bank of Ireland Group?

Institutions typically measure themselves against a benchmark when reporting to their own investors, so they often become more enthusiastic about a stock once it's included in a major index. We would expect most companies to have some institutions on the register, especially if they are growing.

Bank of Ireland Group already has institutions on the share registry. Indeed, they own a respectable stake in the company. 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. It is not uncommon to see a big share price drop if two large institutional investors try to sell out of a stock at the same time. So it is worth checking the past earnings trajectory of Bank of Ireland Group, (below). Of course, keep in mind that there are other factors to consider, too.

earnings-and-revenue-growth
ISE:BIRG Earnings and Revenue Growth January 2nd 2026

Institutional investors own over 50% of the company, so together than can probably strongly influence board decisions. We note that hedge funds don't have a meaningful investment in Bank of Ireland Group. The company's largest shareholder is Massachusetts Financial Services Company, with ownership of 7.9%. The second and third largest shareholders are Norges Bank Investment Management and BlackRock, Inc., with an equal amount of shares to their name at 5.6%.

After doing some more digging, we found that the top 18 have the combined ownership of 50% in the company, suggesting that no single shareholder has significant control over the company.

While studying institutional ownership for a company can add value to your research, it is also a good practice to research analyst recommendations to get a deeper understand of a stock's expected performance. There are plenty of analysts covering the stock, so it might be worth seeing what they are forecasting, too.

Insider Ownership Of Bank of Ireland Group

While the precise definition of an insider can be subjective, almost everyone considers board members to be insiders. Management ultimately answers to the board. However, it is not uncommon for managers to be executive board members, especially if they are a founder or the CEO.

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 less than 1% of Bank of Ireland Group plc. It is a very large company, so it would be surprising to see insiders own a large proportion of the company. Though their holding amounts to less than 1%, we can see that board members collectively own €636k worth of shares (at current prices). It is always good to see at least some insider ownership, but it might be worth checking if those insiders have been selling.

General Public Ownership

The general public, who are usually individual investors, hold a 38% stake in Bank of Ireland 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.

Next Steps:

It's always worth thinking about the different groups who own shares in a company. But to understand Bank of Ireland Group better, we need to consider many other factors. For example, we've discovered 1 warning sign for Bank of Ireland Group that you should be aware of before investing here.

Ultimately the future is most important. You can access this free report on analyst forecasts for the company.

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.