The Long View
The Long View

Gerard O’Reilly: Control for the Unexpected, Focus on the Expected

DFA’s co-CEO and chief investment advisor shares the latest on the launch of its ETFs, the importance of client relationships, and the role of academic research in the firm.

Featured Speakers

Morningstar HostGerard O'Reilly Guest

Topics Discussed

Episode Summary

Executive Summary: Gerard O’Reilly outlined how Dimensional balances systematic investing, client education, and innovation while preserving core principles. He discussed the firm’s shift toward all-market equity and investment-grade bond solutions, why ETFs fit its flexible transparent model, how research is tested and implemented, and why factors like value still make sense despite recent underperformance. He also explained Dimensional’s view on ESG, stewardship, and growth.

Main Topics: Dimensional’s co-CEO structure and operating model: O’Reilly described how responsibilities are split between him and Dave Butler, with O’Reilly focused on investments and Butler on client-facing functions, while jointly overseeing key firmwide functions. Portfolio evolution and business mix changes: He explained how client demand has shifted Dimensional toward broader all-market equity solutions and more investment-grade fixed income, changing the firm’s product mix over time. Why Dimensional launched ETFs: He argued that the ETF structure became attractive only after regulatory changes enabled active, transparent, flexible implementation consistent with Dimensional’s process. Client education and advisor relationships: O’Reilly emphasized that Dimensional’s distribution model is built around investment professionals and education, which helps maintain trust through periods of factor underperformance. Research culture, innovation, and implementation discipline: He outlined Dimensional’s academic, data-driven process for testing ideas, rejecting weak ones, and adopting useful findings cautiously and systematically. Factor investing, value, and time horizons: He defended value and other factor premia as grounded in first principles, arguing that short-term drawdowns do not invalidate long-run expected return relationships. ESG, stewardship, and targeted sustainability solutions: He said ESG information matters for risk oversight and stewardship, but does not itself appear to raise expected returns after controlling for standard factors; Dimensional offers separate sustainability-focused strategies for clients who want them.

Key Arguments: Dimensional is intentionally structured as an investment- and client-led firm, with co-CEO responsibilities divided by functional expertise to improve focus and redundancy. The firm’s product mix has evolved toward more all-market/core strategies in equities and substantially more all-investment-grade fixed income as client needs and markets changed. ETFs fit Dimensional because recent regulatory changes allow active, transparent, flexible strategies that are consistent with its systematic, diversified approach. Advisor relationships and education help clients stay invested through factor slumps because expectations are set in advance about volatility and long-run behavior. Dimensional’s research process is academic and evidence-based: ideas must survive multiple robustness checks before they influence portfolios. Value remains economically sensible because it reflects differences in prices versus fundamentals; prolonged underperformance does not eliminate the premium. Short-term factors and implementation tools such as securities lending and trading flexibility can add incremental value without changing long-term asset allocation. ESG information should be used when it reliably helps manage risk, but buying “high-ESG” stocks alone has not shown a clear return advantage after controlling for other factors. Growth is not the objective; readiness for growth is. The firm aims to preserve excellence in investment and client service regardless of asset flows.

Data Points: Assets under management: More than $600 billion - Dimensional’s approximate firm-wide AUM as described by O’Reilly. Global groups: 13 - He said Dimensional has 13 global groups, with functions split between the two co-CEOs and jointly overseen areas. Regional equity mix 10 years ago: About 40% core / 60% value - Historical composition of Dimensional’s regional equity funds roughly a decade earlier. Regional equity mix today: About 70% core / 30% value - Current mix showing client preference for broader market/core solutions. Fixed income AUM 10 years ago: About $40 billion - Dimensional’s fixed-income business roughly a decade earlier. Fixed income AUM today: About $120 billion - Current fixed-income scale cited by O’Reilly. All-investment-grade share 10 years ago: About 3% - Share of fixed income in all-investment-grade strategies in the past. All-investment-grade share today: Over 35% - Current share of fixed income in all-investment-grade strategies. ETF launch timing: Three ETFs launched in November and December 2020 - Initial ETF rollout discussed in the interview. ETF early AUM: About $500 million in the first two months - Combined early assets gathered by the newly launched ETFs. Planned tax-managed fund conversions: Six funds totaling about $26 billion - Dimensional planned to convert existing funds into ETFs during 2021. Virtual event attendance in 2020: Close to 100,000 attendees - Attendance across conferences, communities, practice management, and client communication events. U.S. mutual fund complex lending revenue: About $220 million - He cited securities-lending revenue as a strong source of value to funds. Average lending value: About 10 basis points - Approximate contribution of securities lending revenue to the funds overall. Emerging market small securities lending revenue: 50 to 60 basis points - Example of a strategy where securities lending contributes materially more revenue. SP 500 comparison example: 3.92% vs 3.84% - Dimensional’s large-cap portfolio outperformed the S&P 500 in December due partly to trading flexibility. Market data rule timing: About 6 to 8 months to file; about 1 year to launch - Speed from the late-2019 ETF rule to Dimensional’s ETF launch. Value vs growth long-run average in U.S.: Value about 12% average return; growth about 8-9% average return - O’Reilly used long-run averages to frame factor expectations. Value premium in positive years: Almost 14% - When the value premium is positive, it tends to be much larger than the average. Expected value premium average: 3% to 4% - Long-run average outperformance of value over growth referenced in the discussion. Sustainability strategies AUM: About $12 billion - Assets in Dimensional’s climate/sustainability-focused strategies.

Pivotal Quotes: "If we can do something better, let's do it better." — Gerard O'Reilly: He described Dimensional’s guiding philosophy on innovation and client solutions. "Growth is not the objective, but we want to be ready for growth." — Gerard O'Reilly: He explained how Dimensional approaches firm expansion without letting it distort investment discipline. "The right answer wins in the end, so embrace it rather than defend the wrong answer, even if that wrong answer is your own." — Gerard O'Reilly: He illustrated Dimensional’s research culture and openness to changing views based on data.

Implications: The interview suggests Dimensional will keep blending factor investing with flexible implementation, ETF expansion, and client education. For investors, the message is to stay anchored to long-term expected returns, not short-term performance swings.

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Expand your investing horizons and look to the long term. Join hosts Christine Benz, Dan Lefkovitz, and Amy C. Arnott as they talk to influential leaders in investing, advice, and personal finance about a wide-range of topics, such as asset allocation and balancing risk and return.

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