AFOS vs DFAU

AFOSBARS Focused Opportunity Strategy ETF

DFAUADimensional US Core Equity Market ETF

In short

AFOS Active stock picking with no benchmark leash: ARS runs a focused, all-cap book of US companies it judges well-positioned and undervalued, and charges 0.46%, below the typical active US equity fund.

DFAU Active management priced like an index fund. Dimensional spreads across roughly 2,400 US stocks, then tilts the weights toward value, profitability and momentum instead of simply mirroring the Russell 3000.

Stated mandate

AFOS The fund seeks long-term capital growth through an actively managed portfolio that identifies well-positioned and undervalued companies across small-, mid-, and large-capitalization ranges.

DFAU Seeks long-term capital appreciation. It uses an integrated research, portfolio-design, management, and trading process to build a broadly diversified portfolio of U.S. companies while balancing long-term return drivers, risk, shorter-term considerations, and trading costs.

Why people hold it

• AFOS Fee is 0.46%, with no waiver propping it up, and sits below the median for active US equity funds.
• Openly benchmark-free. The prospectus states the fund is not managed against any index or benchmark, so the portfolio can look nothing like the large-cap market.sec.gov
• Hunting ground is the whole US market cap ladder, small through large, not just mega-caps.
• Launched in 2025 and already holds assets in the hundreds of millions, landing in the upper half of a field of more than 100 active US equity funds.

• DFAU Charges 0.12% a year, well under the 0.65% median for active US equity funds and the cheapest of the top-graded names in its group (AVLC, DFAC, FELC).
• Holds roughly 2,400 US companies, so no single name steers the fund. Whole-market coverage, not a concentrated bet.
• Active without the stock-picking drama: it leans weights toward value, profitability and momentum, using the Russell 3000 as its reference point rather than a rigid rulebook.
• A multi-billion-dollar fund that trades actively, and one of the strongest overall implementations in its active US equity peer group.

Worth knowing

• AFOS Thinly traded. Spreads can be wider and order size matters more than in heavily traded index funds.
• History starts June 2025, so there is only about a year of risk data behind it.
• Systematic rivals cost far less: DFAU at 0.12%, AVLC at 0.15%. You pay up here for a human making concentrated calls.

• DFAU Those tilts cut both ways: results can drift from a plain Russell 3000 fund for long stretches, in either direction.
• No published index behind it. The trade-off for flexibility is that you're buying Dimensional's process, not a public set of rules you can check line by line.
• Distributions land quarterly, not monthly, and the mandate is long-term capital appreciation rather than income.

Full AFOS profile⁠

Full DFAU profile⁠