We have some exciting news to share! The Motley Fool UK has now become The Twelfth Magpie -- an independent, UK-owned company, led by our long-serving UK management team — Mark Rogers, Chris Nials and Heather Adlington. In practical terms, it’s the same team you know, now fully focused on serving our UK readers and members.

Just as importantly, our approach remains unchanged: long-term, jargon-free, and on your side. This site is our new home, and there will be extra tweaks made across the coming few days as we settle in. So if anything looks a little off, please bear with us!

The content of this article was relevant at the time of publishing. Circumstances change continuously and caution should therefore be exercised when relying upon any content contained within this article.

Hedge funds are betting big against these struggling UK shares

These are the most heavily shorted UK shares on the market in 2025. But why are hedge funds so pessimistic? And has this created a secret opportunity?

| More on:
Business man pointing at 'Sell' sign

Image source: Getty Images

You’re reading a free article with opinions that may differ from The Twelfth Magpie’s Premium Investing Services. Become a member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn more, and get a free 'Best Buy Now' stock!.

Institutional investors don’t always bet on UK shares going up. Right now, there are a lot of active short positions betting against both large and small-cap companies on the London Stock Exchange. And right now, the three most heavily shorted stocks in the UK are Ashtead Technology (LSE:AT.), J Sainsbury (LSE:SBRY), and Yellow Cake (LSE:YCA).

CompanyShort PositionNumber of Firms12-Month Performance
Ashtead Technology7.1%8-44%
J Sainsbury6.9%5+6%
Yellow Cake5.9%7-1%

When stocks are heavily shorted, investors can gain critical insights into what the professionals are thinking. A quick glance at the 12-month performance of Ashtead Technology (not to be confused with Ashtead Group) suggests a good reason to be pessimistic. But for J Sainsbury and Yellow Cake, these UK shares are seemingly proving to be more resilient, at least for now.

Should you buy Ashtead Technology Plc shares today?

Before you decide, please take a moment to review this report first. Despite ongoing uncertainties from US tariffs to global conflicts, Mark Rogers and his team believe many UK shares still trade at substantial discounts, offering savvy investors plenty of potential opportunities to learn about.

That’s why this could be an ideal time to secure this valuable research – Mark’s analysts have scoured the markets to reveal 5 of his favourite long-term ‘Buys’. Please, don’t make any big decisions before seeing them.

So, why are the experts betting against these businesses? And should investors be avoiding them like the plague?

What’s going on?

Each business operates in different industries and is facing its own unique challenges.

  • Ashtead Technology has encountered numerous operational and geopolitical pressures that have culminated in a profit warning. And it seems hedge funds think the worst is far from over.
  • J Sainsbury had been losing market share to Tesco and discount retailers but has been gaining it more recently. However, that situation could reverse should a full-blown pricing war erupt as inflationary pressures squeeze consumer spending.
  • Yellow Cake is feeling the pinch of falling uranium prices, with concerns that rising operational costs may force management to sell some of its commodity reserves at weaker prices.

Given that these headwinds are proving to be quite persistent, it seems short sellers don’t believe the problems surrounding these businesses will be resolved quickly. And if that hunch is correct, then shareholders could be in for a rough ride.

Short sellers aren’t always right

Yet while hedge funds have access to expensive market research and data, not every bet they make is a success.

Sometimes, a large short position can present a lucrative opportunity for long-term investors. Why? Because if sentiment suddenly turns positive, the unwinding of a major short position can send a stock flying upward. And looking at these three stocks, there are some potential catalysts for a mood change.

Ashtead Technology still has a substantial order backlog, providing good revenue visibility. Management is already implementing efficiency initiatives to bring down costs in the short term. And if geopolitical tensions ease, market conditions could quickly and significantly recover.

Sainsbury’s latest trading update has also shown better-than-expected resilience, with like-for-like sales growth reaching 4.7% thanks to its Nectar loyalty programme. As for Yellow Cake, the rising level of investment into nuclear energy technology is expected to boost uranium prices significantly if global supply fails to keep up with demand.

The bottom line

Despite the weak sentiment from institutional investors, there are still some promising signs of potential with these businesses. And while I think it’s still too soon to determine whether these stocks can deliver a surprise comeback, I’m not writing off any of them just yet. That’s why investors may want to consider keeping a close eye on these UK shares as they continue navigating through short-term choppy waters.

Zaven Boyrazian has no position in any of the shares mentioned. The Motley Fool UK has recommended Ashtead Group Plc, Ashtead Technology Plc, and J Sainsbury Plc. Views expressed on the companies mentioned in this article are those of the writer and therefore may differ from the official recommendations we make in our subscription services such as Share Advisor, Hidden Winners and Pro. Here at The Motley Fool we believe that considering a diverse range of insights makes us better investors.

More on Investing Articles

Image of happy young people man and woman in basic clothing thinking and touching chin while looking aside isolated over yellow background
Investing Articles

Here are 3 factors I assess when considering stocks with a high dividend yield

A dividend yield acts like a siren's call to investors, luring them in with cash promises. But is any trouble…

Read more »

Santa Clara offices of NVIDIA
Investing Articles

Down 14% since May, are the glory days over for Nvidia stock?

Could a recent stock price fall be the canary in the mine for what might happen to Nvidia if the…

Read more »

Young female business analyst looking at a graph chart while working from home
Investing Articles

Here’s what the experts said about Rolls-Royce shares 5 years ago…

Five years ago, the consensus view of Rolls-Royce shares was Hold. What does that tell investors looking for the UK’s…

Read more »

Investing Articles

Here’s how much £10,000 put into the FTSE 100 a year ago has earned – with and without dividends

How well has the UK's index of 100 leading shares done over the past 12 months. Our writer digs into…

Read more »

Array of piggy banks in saturated colours on high colour contrast background
Investing Articles

Near 5-year highs, here’s what the experts are saying about the Lloyds share price

Analysts have been steadily raising their Lloyds share price guidance all year, as the bank has been going from strength…

Read more »

Businessman hand stacking up arrow on wooden block cubes
Growth Shares

Near 2010 highs, here’s where the experts think the BP share price could go next

Jon Smith explains why the future looks bright for the BP share price, but flags up its sensitivity to oil…

Read more »

Exterior of BT Group head office - One Braham, London
Investing Articles

Down from a 5-year peak, here’s how high this expert thinks BT shares could soar

This recent analyst upgrade suggests BT shares could climb 50% or more. And although not everyone is so upbeat, targets…

Read more »

UK financial background: share prices and stock graph overlaid on an image of the Union Jack
Investing Articles

With millions to spare, Nick Train is piling into this FTSE 100 stock up 4,300%

A 100-year old investment trust from the FTSE 250 is planning to load up on of this barnstorming FTSE 100…

Read more »