Is Avacta the best ex-penny stock to buy today?

The Avacta share price is up 250% in five years, but can this ex-penny stock maintain this momentum, or is it a bubble waiting to burst?

| More on:

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.

Burst your bubble thumbtack and balloon background

Image source: Getty Images

You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn More.

When successful, penny stocks can be game changers. Tiny companies can explode into industry leaders, sending their stock prices through the roof and make their shareholders very rich. Sadly, such explosive potential also comes with potentially devastating risks.

So far, Avacta (LSE:AVCT) shareholders have enjoyed and endured both sides. Those who invested in this biotech business in 2019 are probably celebrating, given the 250% return. Yet those who hopped on the train in mid-2021 are likely questioning everything, given shares are down almost 75%.

It’s a similar story for those who became shareholders at the start of 2024 since shares have tumbled almost 40%. So what’s going on? And is now the time to start buying?

Volatility of biotech

As a quick reminder, Avacta’s an upcoming diagnostics and cancer therapy specialist. It gained a lot of attention during the pandemic thanks to its lateral flow test kits for Covid-19. But, since the demand for this product has waned significantly following the rollout of vaccines, sales growth has slowed and profitability’s evaporated.

Consequently, investor patience is seemingly running thin. Even more so given the troubles management encountered in receiving regulatory approval for other testing kits in 2023.

This pattern isn’t uncommon for young biotech businesses. Valuations are often driven by expectations. And failing to meet targets can be devastating, especially for small-cap and penny stocks. But is there hope?

Focusing on the long run

As previously mentioned, diagnostics is only one half of this enterprise. The other is cancer therapy. And on that front Avacta’s making encouraging progress.

Following a recent update, Phase 1 clinical trials for its AVA6000 drug have sucessfully completed the second cohort, with the third now underway. That puts the company on track to hit its clinical trial objectives for 2024. And given Phase 1’s where most treatments fail, these positive results are a very encouraging sign.

To help speed things along, the company’s appointed a new scientific advisory board of cancer experts across the US and UK. And with around £35m of cash on the balance sheet, Avacta should have enough capital to complete Phase 1 trials.

Yet, as exciting as this news is, there remains a long journey ahead. There are still two more clinical trial phases to go before reaching the market, each significantly more expensive than the last. And £35m isn’t going to cut it. As such, I wouldn’t be surprised to see large volumes of shareholder dilution moving forward.

But even if it can raise all the necessary funds, that doesn’t guarantee future trials will be a success. Don’t forget over 90% of clinical trials fail.

A risky buying opportunity?

It goes without saying that Avacta’s an incredibly risky investment. Even though its market-cap currently sits outside of penny stock territory at £260m, it seems to be held up almost entirely by expectations of clinical success. After all, shares are currently trading near a price-to-sales ratio of 10.

In other words, even with shares taking a big tumble, they’re still quite expensive. However, should AVA6000 be a success, today’s price may be worth paying. Nevertheless, given that it’s going to be years before AVA6000 will be contributing to sales, assuming it’s successful, this stock seems to me like a massive gamble compared to other opportunities right now. I’m not buying.

Zaven Boyrazian has no position in any of the shares mentioned. The Motley Fool UK has no position in any of the shares mentioned. 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

Investing Articles

Is 2026 the year the Diageo share price bounces back?

Will next year be the start of a turnaround for the Diageo share price? Stephen Wright looks at a key…

Read more »

Investing Articles

Here’s my top FTSE 250 pick for 2026

UK investors looking for under-the-radar opportunities should check out the FTSE 250. And 2026 could be an exciting year for…

Read more »

Yellow number one sitting on blue background
Investing Articles

Here’s my number 1 passive income stock for 2026

Stephen Wright thinks a 5.5% dividend yield from a company with a strong competitive advantage is something passive income investors…

Read more »

Thoughtful man using his phone while riding on a train and looking through the window
Investing Articles

Should I sell my Scottish Mortgage shares in 2026?

After a strong run for Scottish Mortgage shares, our writer wonders if he should offload them to bank profits in…

Read more »

Woman riding her old fashioned bicycle along the Beach Esplanade at Aberdeen, Scotland.
Investing Articles

Down 35%! These 2 blue-chips are 2025’s big losers. But are they the best shares to buy in 2026?

Harvey Jones reckons he's found two of the best shares to buy for the year ahead, but he also acknowledges…

Read more »

A senior man and his wife holding hands walking up a hill on a footpath looking away from the camera at the view. The fishing village of Polperro is behind them.
Investing Articles

State Pension worries? 3 investment trusts to target a £2.6m retirement fund

Royston Wild isn't worried about possible State Pension changes. Here he identifies three investment trusts to target a multi-million-pound portfolio.

Read more »

Smiling white woman holding iPhone with Airpods in ear
Dividend Shares

4 dirt-cheap dividend stocks to consider for 2026!

Discover four great dividend stocks that could deliver long-term passive income -- and why our writer Royston Wild thinks they’re…

Read more »

Young mixed-race woman jumping for joy in a park with confetti falling around her
Investing Articles

These fabulous 5 UK stocks doubled in 2025 – can they do it again next year?

These five UK stocks have more than doubled investors' money as the FTSE 100 surges. Harvey Jones wonders if they…

Read more »