It is an actively managed ETF that diversifies across the broad US small-cap market. Using Dimensional's proprietary systematic approach, it seeks long-term performance by tilting weights toward smaller, relatively undervalued, and highly profitable companies.

It suits long-term investors who want wide diversification across US small caps and prefer factor-based management.

It is an ETF managed by Dimensional using an active management approach.

Rather than replicating a specific index, it builds a small-cap portfolio by systematically incorporating factors such as size, value, and profitability. It invests a significant portion of its assets in US small caps and focuses on improving long-term after-tax performance through low turnover and tax-efficient management.

• Factor-based systematic management
• Low turnover and tax-efficient management

Assets under management (AUM) stand at $15.6B, and the total expense ratio is 0.27% per year.

Unlike passive small-cap ETFs that simply replicate an index, it applies discretionary factor-based management, so its holdings and weightings differ.

Small caps are highly sensitive to the economic cycle and tend to show greater volatility than large caps. Their strength or weakness shifts with the interest rate environment and the business cycle, and they can also move with relative resilience during risk-on phases.

Fund flows continue in response to demand for small-cap diversification, and inflows into the small-cap category tend to be observed when market risk appetite rises. Conversely, money can flow out when concerns about an economic slowdown grow.

Broad small-cap diversification and factor-based management are its strengths, while the volatility characteristic of small caps and the cost of active management are its weaknesses.

Comparable funds shown alongside it in the table include DFAC, a broad US core equity ETF from the same manager, which differs in exposure scope from this small-cap-focused ETF. For those who prefer a dividend-focused approach, ETFs such as SCHD, VYM, and VIG are comparison candidates, but these center on large caps with strong dividend profiles and differ in character from this ETF's small-cap exposure. Within the same small-cap category, VB, IJR, and VBR can also be considered as lower-fee passive alternatives.

Here are the points to review before investing in DFAS. Small-cap diversification and factor-based active management are its strengths, but the high volatility characteristic of small caps, the cost of active management, and currency exposure should all be carefully checked before investing.

The high volatility and economic sensitivity characteristic of small caps are the main causes of short-term losses. During risk-off phases, declines can be larger than for large caps, so position sizing needs to be managed.

It is a suitable choice for long-term investors who want to diversify across US small caps on a factor basis. If cost savings matter most, a passive small-cap ETF is the better fit; if factor-based management and tax efficiency matter most, DFAS is a good match.