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Our Pick Of The Best Australian Growth Stocks In October 2026

Rising concern about a possible correction in AI related stocks has pushed many Australian investors to look beyond the flashiest themes and focus on businesses where earnings are expected to grow from a solid financial base. That combination of growth potential and balance sheet strength is rare. It can be powerful. This article highlights three stocks from our screened list that aim to offer that mix.

The three stocks highlighted here offer a compelling starting point if you want exposure to healthy high growth potential backed by balance sheets that are designed to support that expansion. However, if you want the absolute best, these 33 best high growth potential stocks are the cream of the crop.

4DMedical (ASX:4DX)

4DMedical taps into the Healthy high growth potential theme through its suite of non invasive lung imaging tools, using XV Scanner, XV LVAS and CT:VQ software to give hospitals and drug developers a scalable way to screen and monitor respiratory health.

4DMedical generates about A$7.1 million from medical technology research and lung function analysis and has a market value of roughly A$2.2b, giving it the size to pursue wider rollout of its respiratory imaging platform while still being early in commercial adoption.

"Partnership with Philips promised a $10Million USD minimum order commitment contract over the next 2 years starting December 2025, (over 2026 and 2027) Philips has added 4DMedicals CT:VQ technology as an official product on their catalog in North America."

What happens if a single assumption about how quickly hospitals adopt this technology shifts even slightly in either direction?

That small shift in adoption speed could matter a lot for how 4DMedical's story unfolds. This is exactly what the full narrative for 4DMedical unpacks, with potential tipping points and risks.

ASX:4DX Earnings & Revenue Growth as at Oct 2026
ASX:4DX Earnings & Revenue Growth as at Oct 2026

Netwealth Group (ASX:NWL)

Netwealth Group runs an Australian wealth platform that links directly to the Healthy high growth potential theme, since scalable superannuation, managed accounts and SMSF services can grow earnings as assets under administration rise. The business generates about A$389.7 million from platform operations and has a market value near A$4.3b.

For investors hunting for earnings growth backed by fee based cash flows, Netwealth Group offers a pure play on adviser platforms where almost all revenue comes from a single, scalable source.

"Netwealth's continued investment in best in class digital experience, platform functionality, and data analytics aligns with the ongoing digitisation of financial services and increasing regulatory focus on transparency, positioning the company to capture greater adviser and client net inflows, bolster revenue growth, and strengthen platform stickiness."

What happens if a single assumption about how much new money advisers bring onto the platform shifts, even slightly, over the next few years?

If that sensitivity to new inflows matters to you, read the full narrative for Netwealth Group to understand the potential ways Netwealth Group's growth story could change from here.

ASX:NWL Earnings & Revenue Growth as at Oct 2026
ASX:NWL Earnings & Revenue Growth as at Oct 2026

Megaport (ASX:MP1)

Megaport runs a software defined networking platform that powers on demand connections between data centers, clouds and other services, which ties it directly into the Healthy high growth potential theme as customers shift more workloads to flexible, usage based network infrastructure.

Megaport earns about A$198 million from The Americas, A$70 million from Asia Pacific and A$44 million from Europe through its interconnection and related services portfolio, and the group is valued at roughly A$3.7b on the market.

For investors who want exposure to that shift, Megaport offers a way to tap into on demand connectivity where earnings expectations lean heavily on its SDN platform scaling across regions.

"Megaport is shifting from a pure network service to a combined network, compute and storage platform. The addition of Megaport Storage alongside the Latitude.sh compute business across more than 1,100 data centres can support higher product density per customer and a mix shift toward higher margin recurring revenue."

What happens if a single assumption about how quickly customers adopt those higher margin services moves, even slightly, against what analysts are modelling?

If that risk around adoption speed has your attention, go to the full narrative for Megaport to see how Megaport's shift into compute and storage could reshape the story.

ASX:MP1 Earnings & Revenue Growth as at Oct 2026
ASX:MP1 Earnings & Revenue Growth as at Oct 2026

Seeking Fresh Alternatives Before Others?

Fresh opportunities rarely stay quiet for long. Some sectors build momentum, others risk getting caught as attention drops. Scan these under the radar lists now and look for potential entry points that fit your approach.

  • Spot income workhorses built on sturdy cash flows and step through the 6 dividend fortresses while yields and prices still appear balanced enough for further research.

  • Track infrastructure behind the AI surge and move through the 55 AI infrastructure stocks before more capital focuses on the providers supporting compute capacity.

  • Hunt for resilient operators that prioritize balance sheet strength and filter through the list of solid balance sheet and fundamentals (12 results) while potential pricing inefficiencies may still be present.

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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com

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