Cliff Asness on Celebrating 25 Years With AQR

Episode Summary

Executive Summary: AQR co-founder Cliff Asness describes how academic research, serendipity and a broad, systematic approach shaped the firm. He explains diversification across investment factors and markets, tax-aware long-short strategies, and why value struggled during parts of the 2010s before rebounding. He argues that cheap-versus-expensive valuations remain unusually wide, cautions against overconfidence in macro forecasts, and warns that private-market valuations may understate risk by obscuring volatility.

Main Topics: From academia and Goldman Sachs to AQR: Asness recounts moving from a finance PhD and applied research roles at Goldman and PIMCO to co-founding AQR. Early success came partly from adapting value and momentum research from stocks to country selection and other markets. Diversifying strategies and investment factors: AQR broadened beyond value and momentum across assets and markets, incorporating factors such as quality, fundamental momentum and low risk. Asness says this provides diversification and valuable out-of-sample tests of whether investment ideas generalize. Tax-aware long-short investing: Asness explains that separating an active stock portfolio into an index-like core and a long-short active component can improve tax efficiency. AQR uses holding-period decisions and tax-loss harvesting while allowing investment judgments to override tax considerations. Value investing’s difficult decade and rebound: Value underperformed through much of 2010–2018 as many cheaper companies had weak fundamentals. AQR did better during that period because other strategies worked, but value was hit again in the 2019–2020 growth mania. Asness says today’s valuation spread is still unusually wide. Market regimes, rates and bubbles: Asness sees macro conditions as relevant but less determinative than commonly assumed, and says the link between rates and value is not especially strong. He believes the era of central banks operating without significant inflation-growth trade-offs has ended, while cautioning that bubbles are difficult to model. Private markets and hidden volatility: Asness argues that some investors choose private assets partly because infrequent marks conceal price fluctuations, rather than solely for investment opportunity. He worries that private-market assets may remain marked too optimistically as real interest rates rise.

Key Arguments: AQR’s development relied on applying academic findings to real portfolios, then testing whether they held up across asset classes and countries; successful out-of-sample results strengthen confidence in a strategy. A diversified set of factors can help offset weakness in any one approach. AQR’s performance during much of the 2010s, despite value’s poor run, reflected momentum, quality and low-risk strategies working. Value’s prolonged weakness was not automatically evidence that value had become attractive: when a company’s fundamentals deteriorate alongside its price, it may not become cheaper relative to those fundamentals. The 2019–2020 value losses reflected a market mania rather than simply deteriorating fundamentals. Momentum can help in bubbles, but its reversals create substantial downside risk, so it is not a dependable standalone hedge. Systematic tax management can improve after-tax outcomes through long-term holding periods and harvesting losses, but tax considerations should not override a strong investment signal. Private-market valuations may understate risk because assets are not marked as frequently as public securities. Asness warns that rising real rates could expose a gap between reported marks and realizable sale prices.

Data Points: AQR assets under management: $100 billion plus - The introduction describes AQR as a large hedge fund specializing in quantitative and related investment strategies. AQR founding timeline: Research group began in 1994; Asness left Goldman around late 1997 or early 1998 - Asness traces the origins of the team and the launch of the independent firm. Initial fund launch: $1 billion - AQR raised this amount for its aggressive hedge-fund strategy, which Asness says was then the largest start-up hedge-fund launch. Initial strategy targeted volatility: Low-to-mid-20% range - Asness describes the risk target for the aggressive strategy launched by AQR. Early performance drawdown: About 35% - The initial product fell roughly this much during its first 18 months, amid the dot-com bubble. AQR stock-selection average holding period: About one year - Asness says the models’ average turnover period created opportunities to manage holding periods and capital-gains taxes. Value spread relative to dot-com-era peak: About 85% - At the time of the interview, Asness said the spread between cheap and expensive stocks had narrowed from its peak but remained historically large. Change in 30-year real interest rates: About 200 basis points higher - Asness cites this increase while contrasting the public-market response with private-market valuations. Central-bank policy rates cited by the host: 10-year yield around 4% or higher; Fed funds rate around 5% or higher - The host uses these approximate levels to frame the higher-rate environment; Asness cautions against treating rates as a direct predictor of value performance.

Pivotal Quotes: "We don't dream about cars and houses and significant others. We dream about out-of-sample tests." — Cliff Asness: He jokes about how quantitative investors value testing whether strategies work beyond the data used to develop them. "I think we're in the third inning of this thing." — Cliff Asness: His view that the unusually wide valuation gap between cheap and expensive stocks may have further room to narrow. "I think it's become more like that." — Cliff Asness: He argues that some investors increasingly favor private assets because reported volatility is muted, not solely because of superior opportunities.

Implications: Investors should avoid relying on one factor or on precise macro timing: diversification, disciplined testing and tax-aware implementation matter. At the same time, private-market marks may hide risk, and a wide value spread signals opportunity without guaranteeing when it will close.