ASX Small Companies Are Repricing on Rising Rates

The Small Ordinaries has fallen 9.92% year to date, not because small cap businesses have weakened, but because the structure of passive investing does not buy them. As passive flows have grown their share of the market, that capital has moved mechanically toward the largest companies by market weight, leaving small caps starved of the same demand regardless of how their underlying businesses are performing.

Passive Flows Are Mechanically Weighted Toward the Largest Companies

Index funds and ETFs allocate capital by market capitalisation, not by assessing whether a business is cheap, expensive, or improving. Every dollar that flows into a market-cap-weighted fund is allocated in proportion to a company's size, with no consideration of whether the price paid reflects the underlying business. The larger a company, the more of each new dollar it receives. The Small Ordinaries, made up of companies outside the ASX 100, sits largely outside that mechanism altogether.

"Small caps have been sold off due to the increasing market share of passive investment flows, which mechanically favour larger capitalised companies regardless of underlying business quality." - Emanuel Datt, Chief Investment Officer, Datt Capital, says

This Crowding Effect Has Concentrated Market Leadership Over the Past 12 Months

The same mechanism that starves small caps of passive demand concentrates it in an increasingly narrow group of large-cap names. Overvalued names tend to be larger by market capitalisation and carry heavier index weights, while undervalued names sit further down the size spectrum, and every dollar of passive inflow allocated in proportion to those weights makes the large get larger while the small get smaller. Over the past 12 months, that crowding effect has driven a small number of market cap leaders further ahead, independent of whether their fundamentals justified the gap widening.

Valuations Have Diverged From Fundamentals, Not Because of Fundamentals

This is the distinction that matters for an investor assessing the small cap selloff: a valuation gap driven by where mechanical capital flows, rather than by a genuine reassessment of business quality, is a different signal entirely. Small cap businesses can report improving earnings, stronger margins, and stronger balance sheets, and still see their valuations compress, simply because the structural bid that supports large caps does not reach them. This valuation gap has persisted for years, unusual this deep into the cycle, and reflects capital allocation patterns rather than a genuine reassessment of business quality.

"Depressed small cap valuations despite improving business fundamentals is the clearest sign that this is a flow-driven phenomenon, not a fundamentals-driven one." - Emanuel highlights

This Is Cyclical, Not Structural

Passive flow concentration is a function of current capital allocation patterns, not a permanent feature of how these businesses will be valued. The same mechanical flows that have concentrated buying in the largest names operate identically in reverse once the direction of flows changes, and a reversal, or even a slowdown, in that concentration would remove the structural headwind currently facing small caps. That makes the current dislocation cyclical rather than a permanent repricing of small cap quality. Institutional capital has already begun rotating back into the segment as the scale of the discount becomes harder to ignore, consistent with a flow-driven dislocation rather than a structural one.

"This is a cyclical phenomenon, and good opportunities are abundant in Australian small cap names right now, for investors willing to look past where the flows are, rather than where the value is." - Emanuel notes

Active Management Matters Precisely Because Passive Capital Doesn't Discriminate

A flow-driven mispricing is the environment in which active, research-led selection has the clearest edge, since passive capital by design cannot identify or correct it. An active fund manager assessing small caps on fundamentals rather than index weight is positioned to find value precisely where the structural bid is absent. Datt Capital has made this distinction publicly, separating a business with genuinely deteriorating fundamentals from one mispriced for reasons unrelated to its underlying economics.

Portfolio Relevance

For an investor assessing small cap exposure, the practical question is not whether small caps are cheap in isolation, but why they are cheap. If the answer is structural, capital simply is not flowing there, rather than fundamental, the businesses have deteriorated, that is a different and more actionable opportunity. A high conviction fund built on bottom-up research rather than index membership is structured to act on exactly that distinction.

Conclusion

The 9.92% year-to-date decline in the Small Ordinaries reflects the growing share of passive, market-cap-weighted capital that structurally bypasses small caps, not a deterioration in the businesses themselves. That is a cyclical, flow-driven dislocation, and it is where the current opportunity in ASX small companies concentrates.

To learn more about Datt Capital's approach to distinguishing valuation resets from genuine risk, visit our Investment Philosophy page or contact our Distribution Manager, Daniel Liptak, at 0419 004 524 or by email at daniel@datt.com.au.