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Great week for Sera Prognostics, Inc. (NASDAQ:SERA) institutional investors after losing 31% over the previous year

Simply Wall St·06/29/2025 13:29:37
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Key Insights

  • Given the large stake in the stock by institutions, Sera Prognostics' stock price might be vulnerable to their trading decisions
  • 51% of the business is held by the top 7 shareholders
  • Recent sales by insiders

To get a sense of who is truly in control of Sera Prognostics, Inc. (NASDAQ:SERA), it is important to understand the ownership structure of the business. The group holding the most number of shares in the company, around 44% to be precise, is institutions. In other words, the group stands to gain the most (or lose the most) from their investment into the company.

Institutional investors would appreciate the 113% increase in share price last week, given their one-year losses have totalled a disappointing 31%.

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

Check out our latest analysis for Sera Prognostics

ownership-breakdown
NasdaqGM:SERA Ownership Breakdown June 29th 2025

What Does The Institutional Ownership Tell Us About Sera Prognostics?

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.

Sera Prognostics already has institutions on the share registry. Indeed, they own a respectable stake in the company. This can indicate that the company has a certain degree of credibility in the investment community. However, it is best to be wary of relying on the supposed validation that comes with institutional investors. They too, get it wrong sometimes. 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 Sera Prognostics' earnings history below. Of course, the future is what really matters.

earnings-and-revenue-growth
NasdaqGM:SERA Earnings and Revenue Growth June 29th 2025

Our data indicates that hedge funds own 17% of Sera Prognostics. That catches my attention because hedge funds sometimes try to influence management, or bring about changes that will create near term value for shareholders. The company's largest shareholder is Baker Bros. Advisors LP, with ownership of 17%. Meanwhile, the second and third largest shareholders, hold 8.1% and 6.4%, of the shares outstanding, respectively.

We did some more digging and found that 7 of the top shareholders account for roughly 51% of the register, implying that along with larger shareholders, there are a few smaller shareholders, thereby balancing out each others interests somewhat.

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 is a little analyst coverage of the stock, but not much. So there is room for it to gain more coverage.

Insider Ownership Of Sera Prognostics

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.

Shareholders would probably be interested to learn that insiders own shares in Sera Prognostics, Inc.. It has a market capitalization of just US$154m, and insiders have US$6.3m worth of shares, in their own names. This shows at least some alignment, but we usually like to see larger insider holdings. You can click here to see if those insiders have been buying or selling.

General Public Ownership

With a 22% ownership, the general public, mostly comprising of individual investors, have some degree of sway over Sera Prognostics. 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 Equity Ownership

With a stake of 13%, private equity firms could influence the Sera Prognostics board. Some might like this, because private equity are sometimes activists who hold management accountable. But other times, private equity is selling out, having taking the company public.

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. Like risks, for instance. Every company has them, and we've spotted 6 warning signs for Sera Prognostics (of which 3 are significant!) you should know about.

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.