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By  Matt Mahon
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US Small Caps: The market’s quiet revolution

Portfolio Manager Matt Mahon believes there are attractive opportunities among high quality, innovative, durable companies for long term investors.

October 2025

While headlines continue to spotlight mega-cap tech and the AI boom, a quieter, potentially more enduring story is unfolding beneath the surface: U.S. small and mid-cap equities are positioning themselves as the market’s next big opportunity.

For over a year, high-beta, speculative stocks have dominated returns, echoing the narrow leadership of the dot-com era. But history tells us that such frenzies rarely last. As valuations stretch and momentum fades, capital doesn’t vanish—it rotates. And increasingly, it’s rotating toward small caps.

Small and mid-cap companies are trading at steep discounts relative to their large-cap peers. Many are priced at 20-year lows, offering fertile ground for long-term investors. These companies, which make up 70% of listed U.S. firms but only 20% of market capitalisation, are often overlooked despite their cyclical strength and pricing power in inflationary environments. Unlike the tech-heavy S&P 500, small caps have greater exposure to sectors like industrials, energy, materials, and healthcare—areas that benefit from inflation. Importantly, not all small caps are speculative plays. Many are well-managed, durable businesses with strong fundamentals.

Companies like Molina Healthcare, a cost-efficient provider gaining market share, and Teledyne Technologies, a leader in digital imaging and defence, exemplify the kind of long-term compounders that thrive in disciplined portfolios. Even traditional names like International Paper are benefiting from industry consolidation and pricing power.

Recent data from the Russell 2500 Index shows a stark divergence: while the index returned 9.91% over the past year, the highest-beta decile surged 63.36%1—despite most being non-earners. This speculative tilt mirrors past cycles, where quality small caps ultimately led sustainable rebounds.

We are already capitalising on this shift. With a bottom-up and sector-neutral approach, we focus on identifying companies with competitive advantages and solid, long-term growth potential, emphasising time arbitrage and fundamentals over short-term hype.

As macroeconomic headwinds persist and valuation concerns mount in large-cap tech, small-cap equities offer a differentiated, undervalued, and strategically compelling path forward. For investors with patience and a multi-year horizon, this overlooked segment may not just be a contrarian bet—it could be the market’s next leadership story.

Matt Mahon Portfolio Manager
Video Oct 2025

US Smaller Companies Equity Strategy Update

By  Matt Mahon
Can smaller be stronger?

US Smaller Companies Equity

The specific securities identified and described are for informational purposes only and do not represent recommendations.

[1] Financial data and analytics provider FactSet. Copyright 2025 FactSet. All Rights Reserved.

Additional Disclosures

FTSE Russell: London Stock Exchange Group plc and its group undertakings (collectively, the “LSE Group”). © LSE Group 2025. All rights in the FTSE Russell indexes or data vest in the relevant LSE Group company which owns the index or the data. Neither LSE Group nor its licensors accept any liability for any errors or omissions in the indexes or data and no party may rely on any indexes or data contained in this communication. No further distribution of data from the LSE Group is permitted without the relevant LSE Group company’s express written consent. The LSE Group does not promote, sponsor or endorse the content of this communication.

Risks – the following risks are materially relevant to the portfolio:

  • Small and mid cap – Small and mid-size company stock prices can be more volatile than stock prices of larger companies.

General Portfolio Risks

  • Conflicts of Interest risk – The investment manager's obligations to a portfolio may potentially conflict with its obligations to other investment portfolios it manages.
  • Counterparty risk – Counterparty risk may materialise if an entity with which the portfolio does business becomes unwilling or unable to meet its obligations to the portfolio.
  • Custody risk – In the event that the depositary and/or custodian becomes insolvent or otherwise fails, there may be a risk of loss or delay in return of certain portfolio's assets.
  • Cybersecurity risk – The portfolio may be subject to operational and information security risks resulting from breaches in cybersecurity of the digital information systems of the portfolio or its third-party service providers.
  • ESG risk – ESG integration as well as events may result in a material negative impact on the value of an investment and performance of the portfolio.
  • Investment portfolio risk – Investing in portfolios involves certain risks an investor would not face if investing in markets directly.
  • Inflation risk – Inflation may erode the value of the portfolio and its investments in real terms.
  • Market risk – Market risk may subject the portfolio to experience losses caused by unexpected changes in a wide variety of factors.
  • Market liquidity risk – In extreme market conditions it may be difficult to sell the portfolio's securities and it may not be possible to redeem at short notice.
  • Operational risk – Operational risk may cause losses as a result of incidents caused by people, systems, and/or processes.
  • Sustainability risk – Portfolios that seek to promote environmental and/or social characteristics may not or only partially succeed in doing so.

 

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