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The ASX 20 is intriguing, representing 60%+ of the ASX 200 and making Australia one of the world’s most concentrated stock markets. But rather than large blue chip companies compounding earnings and driving up the market (like it is in the US), it comprises mature and cyclical businesses that simply aren’t growing and some of which appear to be broken.
As we know, large companies are typically more macro exposed, with domestic facing businesses today either leveraged to a low growth/low confidence/low investment environment (in my opinion Australia is ‘going sideways slowly’) or China for commodity demand (where growth is slowing and less commodity intensive).
It has been confounding just how well this cohort has performed in recent years, with the ASX 20 up 51% over the last three years (to 30 Sept 2025) despite -19% earnings growth (not a typo!). I suspect the flow of funds (which can be fickle) has overwhelmed the fundamentals (which tend to be more enduring).
Chart 1 – ASX 20 Defensives & Banks (56% of ASX 20)

Source: Bloomberg, Oct 2025.
Chart 2 – ASX 20 Cyclicals (44% of ASX 20)

Source: Bloomberg, Oct 2025.
The lack of earnings growth can explain why some stocks have been dead money for over a decade, it’s hard to believe but you could have sold your WOW holdings for $41 in 2021 (now at $27), Woodside for $66 in 2008 (now $22), or Westpac for $39 in 2015 (now $39)! Back in 1999, when petrol averaged 75-80c/litre and a loaf of bread was under $2, you could have sold Telstra at $8.62 (now $4.90).
The opportunity cost of holding these types of positions is staggering and completely destroys the notion that you can simply hold blue chips forever. It is clear that the ASX 20 today consists of ‘blue chips’ and ‘broken blue chips’, I will leave it for readers to decide the appropriate label for each company.
What is clear, however, is that fundamentals can change significantly: many of these incumbents have wilted and been eroded by intense competition, demand peaking, deregulation and acquisitions that have ranged from questionable to outright stupid.
It stands to reason we want to challenge the consensus/complacent view on our largest companies and their respective futures. It’s worth contemplating the future of competition in banking, the supply outlook for iron ore (large African deposits being commercialised) and even the displacement/competition risk that ranges on everything from blood plasma to slot machines.
Our view is that if you want to invest in the ASX 20—or the ASX 200, of which 65% is that cohort—you need to be hyper-active, paranoid, disloyal and focus on identifying what might be current or future broken blue chips. Life appears to be easier investing in mid and small cap companies which are less mature, less macro exposed and subject to less regulatory scrutiny.
This article contains general financial information only. It has been prepared without taking into account your personal objectives, financial situation or particular needs.
All prices and analysis at 29 October 2025. This document was originally published on firstlinks.com.au on 29 October 2025 has been prepared by Yarra Capital Management Limited (YCML) (ABN 99 003 376 252; Australian Financial Services Licence 237563).The content is distributed by WealthHub Securities Limited (WSL) (ABN 83 089 718 249)(AFSL No. 230704). WSL is a Market Participant under the ASIC Market Integrity Rules and a wholly owned subsidiary of National Australia Bank Limited (ABN 12 004 044 937)(AFSL No. 230686) (NAB). NAB doesn’t guarantee its subsidiaries’ obligations or performance, or the products or services its subsidiaries offer. This material is intended to provide general advice only. It has been prepared without having regard to or taking into account any particular investor’s objectives, financial situation and/or needs. All investors should therefore consider the appropriateness of the advice, in light of their own objectives, financial situation and/or needs, before acting on the advice. Past performance is not a reliable indicator of future performance. Any comments, suggestions or views presented do not reflect the views of WSL and/or NAB. Subject to any terms implied by law and which cannot be excluded, neither WSL nor NAB shall be liable for any errors, omissions, defects or misrepresentations in the information or general advice including any third party sourced data (including by reasons of negligence, negligent misstatement or otherwise) or for any loss or damage (whether direct or indirect) suffered by persons who use or rely on the general advice or information. If any law prohibits the exclusion of such liability, WSL and NAB limit its liability to the re-supply of the information, provided that such limitation is permitted by law and is fair and reasonable. For more information, please click here.