Skip to main content

Market weight of the giants

Dougal Maple-Brown, Head of Australian Value Equities, Maple-Brown Abbott

by Dougal Maple-Brown

Head of Australian Value Equities

Video 7 Oct 2025

CBA’s market weight: Unprecedented or just another giant?

There’s been a lot of noise around CBA’s valuation – at its peak, it traded at over 30x forward earnings and made up 12% of the Australian equity market. Media and brokers called it ‘unprecedented.’

But was it really?

Dougal Maple-Brown reflects on his 25 years at Maple-Brown Abbott, charting the market weight of Australia’s biggest stocks at their peaks vs. today.

Disclaimer: This information was prepared and issued by Maple-Brown Abbott Ltd ABN 73 001 208 564, AFSL No. 237296 (“MBA”). This information is general information only and it does not have regard to any person’s investment objectives, financial situation or needs. Before making any investment decision, you should seek independent investment, legal, tax, accounting or other professional advice as appropriate, and obtain the relevant Product Disclosure Statement and Target Market Determination for any financial product you are considering. This information does not constitute an offer or solicitation by anyone in any jurisdiction. Past performance is not a reliable indicator of future performance. Any views expressed on individual stocks or other investments, or any forecasts or estimates, are point in time views and may be based on certain assumptions and qualifications not set out in part or in full in this information. The views and opinions contained herein are those of the authors as at the date of publication and are subject to change due to market and other conditions. Such views and opinions may not necessarily represent those expressed or reflected in other MBA communications, strategies or funds. Any companies, securities and or/case studies referenced or discussed are used only for illustrative purposes. The information provided is not a recommendation for any particular security or strategy, and is not an indication of the trading intent of MBA. Information derived from sources is believed to be accurate, however such information has not been independently verified and may be subject to assumptions and qualifications compiled by the relevant source and this information does not purport to provide a complete description of all or any such assumptions and qualifications. To the extent permitted by law, neither MBA, nor any of its related parties, directors or employees, make any representation or warranty as to the accuracy, completeness, reasonableness or reliability of the information contained herein, or accept liability or responsibility for any losses, whether direct, indirect or consequential, relating to, or arising from, the use or reliance on any part of this information. This information is current at 30 September 2025 and is subject to change at any time without notice. © 2025 Maple-Brown Abbott Limited.

Dougal Maple-Brown
Head of Australian Value Equities

Dougal Maple-Brown, Head of Australian Value Equities, Maple-Brown Abbott
Head of Australian Value Equities

Dougal Maple-Brown

BEc, LLB (Hons), FFIN, CFA
Dougal joined Maple-Brown Abbott in 2001 as an equity analyst. He is currently a portfolio manager and equities analyst. Dougal was an Executive Director from July 2009 to October 2018. Dougal’s responsibilities include equity analysis and portfolio management, including managing a large number of institutional and retail accounts. He attended the Advanced Management Program at Harvard Business School in 2014. Prior to joining Maple-Brown Abbott Dougal worked in a national law firm and at an international investment bank.

Board and committee membership:
Asset Allocation Committee

 

 

 

Dougal

Interested in investing with us?

Investment Insights

Electricity pylons
Article 28 Oct 2025

The growing power of US electric utilities – insights from our trip

US electric utilities are poised for unprecedented expansion driven by soaring demand from data centers, manufacturing and electrification. The Edison Electric Institute projects $1.1 trillion in capital investment over the next five years – nearly matching the past decade’s total spend. Against this backdrop, we visited key industry players across the US – from utility companies and regulators to renewable developers and data center leaders – to understand the momentum firsthand.
AI Agent CGI
Article 10 Oct 2025

Governance first: Navigating the human capital risks of AI deployment

As artificial intelligence rapidly transforms the business landscape, it’s crucial to look beyond the hype and consider the broader implications. While AI promises gains in productivity, speed, and cost efficiency, this piece highlights the often-overlooked risks –such as worker displacement, reputational damage, and regulatory scrutiny – that can arise from poorly governed implementation. It advocates for a governance-led approach to AI adoption, ensuring that companies not only harness its benefits but also safeguard their people, reputation, and long-term value.
Innlandet County, Norway
Article 22 Sep 2025

The US Environmental Protection Agency’s deregulatory shift and its implications for US utilities

Energy mix planning in the US is being reshaped by rising demand and changing regulations. The EPA’s deregulatory changes could alter coal retirement timelines and long-term investment strategies. While renewables face headwinds, the pace of coal’s decline may slow – thereby altering emissions trajectories and energy mix planning. Utilities now face near-term relief but greater long-term uncertainty.
Eurostar trains at St Pancras Station
Article 24 Jul 2025

Growth in an uncertain world: Insights from Europe & North America

While the macroeconomic clouds may be looming, global listed transport infrastructure companies such as toll roads and airports continue to look beyond the horizon and are seeing strong, long-dated demand for their assets as well as investing to accommodate future demand.

Subscribe to receive Investment Insights