Mike Pyle: Looking for Uncorrelated Sources of Return

Morningstar, Inc.About 8 min readOct 26, 2025Watch original
THE SUMMARYAI-generated

Key Concepts

  • Policy Uncertainty: The impact of government policies, such as tariffs, on investment decisions.
  • Tariffs: A significant increase in tariffs under the Trump administration, impacting growth and price levels.
  • US Economic Strength: The resilience and dynamism of the US economy despite policy changes.
  • Continuity in Policy Objectives: Shared goals between the Biden and Trump administrations regarding rebuilding the industrial base and leading in AI.
  • Market Dispersion: The widening gap between the performance of top-performing and underperforming companies.
  • AI Transformation: The significant impact of Artificial Intelligence on corporate capital expenditure and economic growth.
  • Fundamental vs. Systematic Investing: Two distinct approaches to portfolio management, focusing on deep research versus broad insights.
  • AI in Investing: Applications of AI in identifying alpha-generating companies and enhancing systematic strategies.
  • Fixed Income Outlook: The diminished role of long-dated government bonds as a reliable source of diversification and income.
  • Alternative Strategies: The increasing importance of hedge funds and private market assets for diversification and alpha generation.
  • Currency Diversification: The need for global investors to manage currency exposure, particularly in light of dollar fluctuations.
  • Private Market Investing: The growing trend of incorporating private assets like infrastructure, private credit, and real estate into portfolios.
  • Client Interactions: The focus of client conversations on macro uncertainty, diversification, and mega trends.

Policy and its Impact on Investment Calculus

Mike Pile discusses the significant policy uncertainty in 2025, particularly concerning tariffs. He notes that President Trump has used tariffs as a major policy tool, increasing average effective tariff rates from approximately 2.5% to 17.5%, a seven-fold increase and the highest in 100 years. This policy shift is seen as slowing growth and increasing price levels on the margin. However, Pile emphasizes the need to hold two seemingly contradictory ideas simultaneously: while tariffs have short-term negative growth and inflation impacts, the US economy remains exceptionally dynamic, innovative, and resilient, possessing significant reserves of strength that contribute to positive growth and equity market performance.

Misunderstandings in Policy and Investment

Pile highlights the "difficulties of translation" between different sectors like Wall Street, Washington, Silicon Valley, and the media. He points out important threads of continuity in policy objectives across administrations, specifically:

  • Rebuilding the Industrial and Manufacturing Base: Both the Biden and Trump administrations prioritize this for national security reasons, advocating for affirmative policy steps.
  • Leadership in Artificial Intelligence (AI): Both administrations recognize the centrality of AI transformation and believe the US must lead in this race.

While policy tools may differ, the underlying shared objectives around industrial strength and AI leadership are often underappreciated amidst the "cacophony in Washington."

Market Reactions to Geopolitical and Policy Risk

Pile observes that the market's reaction to political and geopolitical risk varies by asset class. The US equity market, after a volatile period in March and early April, has seen a substantial rally, with US equities up on the year. This is largely attributed to investors seeking exposure to the AI transformation mega-trend, in which US companies are leading.

In contrast, the US dollar's behavior has been different. It sold off alongside US equities in March and April, which is unusual for risk-off periods. The dollar continued to weaken through April, May, and June before stabilizing in July. This divergence is explained by:

  • Equity Market: Driven by the AI mega-trend.
  • Dollar: Influenced by more traditional macro forces, including concerns about US inflation dynamics and fiscal trajectory, as well as a global shift towards more cautious hedging ratios.

Caution Against Macro-Based Investment Bets

Pile cautions against making large investment bets solely based on macro trends due to significant changes in the macroeconomic environment over recent years. The traditional post-war macro investing framework relied on stable policy and geopolitical foundations. Today, the global trade, security, and geopolitical architectures are more uncertain. This increased uncertainty necessitates wider bounds of uncertainty around macro variables like growth and inflation. Furthermore, mega-forces like AI are now larger drivers of markets than traditional growth and inflation impulses. The traditional macro framework is less anchored, requiring greater caution and a different investment approach.

AI's Impact on Productivity and the Economy

While it's still early to definitively assess AI's impact on productivity, its presence is evident in GDP statistics and historically high capital expenditure tied to AI investment. The initial view was that AI capex accounted for over half of the first half's growth. However, more recent data revisions indicate a stronger consumer and a more balanced, resilient US macroeconomic picture. The US is experiencing a strong multi-year productivity period, with AI expected to power a subsequent phase. The current build-out is occurring against a backdrop of a healthy, resilient, and productive US economy, providing a strong foundation for future investment and productivity growth.

Heightened Dispersion in Markets

Pile characterizes today's markets as defined by "heightened dispersion." This means the gap between the returns of the highest-performing companies and the lowest-performing companies within an asset class, like the US equity index, is wider than in previous years. This contrasts with the 2010s, characterized by stable macro environments and policy efforts to compress volatility and yields, leading to low dispersion where equity market beta was the primary driver. In the current environment, there is more opportunity to capture alpha by identifying outperformers (long side) and underperformers (short side).

Fundamental vs. Systematic Investing at BlackRock

BlackRock's portfolio management group integrates both fundamental and systematic investing approaches:

  • Fundamental Investing: Involves deep, company-by-company research to gain differential knowledge and conviction in a security's ability to outperform over quarters or years. This often leads to more concentrated portfolios with fewer holdings.
  • Systematic Investing: Focuses on identifying a diversified set of insights that work on average across a high number of names. By packaging these insights and applying them across thousands of securities in a balanced, diversified portfolio, it aims to generate consistent, resilient alpha through diversification of insights and names.

BlackRock is exploring how to combine these approaches, specifically by applying systematic portfolio construction and optimization to fundamental processes to enhance resilience against macro and factor risks.

AI Applications at BlackRock

AI is being applied across BlackRock in several ways:

  1. Fundamental Equity: Developing strategies focused on generating alpha in technology names by identifying companies poised to lead the AI transformation.
  2. Systematic Investing: AI techniques, including machine learning, have been used for decades in BlackRock's systematic business (dating back to its origins as Barclays Global Investors). This involves applying these techniques to new and unstructured data sets to identify quantitative investment opportunities.
  3. Organizational Enhancement: AI is being used to improve operational efficiency, trading execution, and client engagement and insights across the organization.

Outlook for Fixed Income and Alternative Strategies

Pile believes the coming years will not see long-dated government bonds as reliable sources of diversification and income, unlike the 2010s and the preceding 40 years. Investors have historically relied on the negative stock-bond correlation and diversification benefits of these bonds.

Instead, BlackRock sees better ways to generate income in fixed income through high yield, securitized assets, and emerging market debt. Diversification needs to be sourced from other areas, with market-neutral strategies and hedge funds stepping in to provide potential diversification benefits traditionally offered by long-dated government bonds.

The Case for Hedge Funds

The current historically uncertain macro environment makes hedge fund strategies particularly relevant. They can:

  • Manage Macro Risk: By dialing down macro and factor risk to achieve market neutrality and lean on uncorrelated sources of return diversified across many insights and names.
  • Embrace Macro as Alpha: Identifying managers who can navigate the changing macro environment and use traditional techniques where warranted.

Hedge funds offer flexibility through their ability to go long, short, and access a wide investment opportunity set, allowing investors to either remove macro risk or embrace it as a source of return.

BlackRock's Global Equity Market Neutral Strategy

This strategy, run by BlackRock's systematic team, aims to provide diversified alpha exposures without broad market exposure. It seeks to identify alpha that can diversify a portfolio, potentially replacing traditional fixed income diversification while generating attractive returns. The global aspect is crucial, as it expands the investment opportunity set beyond the US, allowing the systematic team to capitalize on a wider range of alpha opportunities by investing globally, not just in the US.

International Equity Allocations and Currency Diversification

While the US equity market has outperformed significantly over the past 15 years, Pile emphasizes that alpha opportunities exist in other global markets. The BlackRock Global Equity Market Neutral strategy benefits from this global reach.

Regarding currency diversification, Pile notes that many global investors reduced their hedge ratios as the US outperformed. This year, with the dollar down significantly while the S&P 500 is up, unhedged US exposures have been challenging. This is prompting investors to reconsider their hedging ratios and move towards a more historically normal balance between US exposure and currency hedging.

Private Market Investing

Private assets, including infrastructure, private credit, and real estate, are seen as playing an important role in total portfolio construction. The traditional 60/40 portfolio is evolving, with a potential shift towards a balance like 50% public equities, 30% bonds, and 20% alternatives, particularly private market assets. This trend is driven by the ability of private market investments to generate long-dated returns and income that can match investor liabilities.

Gold's Role in Portfolios

While acknowledging gold's recent strong performance and the underlying demand for uncorrelated assets, Pile suggests that other alternatives like market-neutral strategies, private credit, and infrastructure feel more "tractable and forecastable" within a total portfolio context. These assets generate income year by year, unlike gold, which does not yield. However, the demand for diversification and alternative return sources reflected by gold's performance is undeniable.

Client Conversations and Portfolio Management

Client conversations globally revolve around navigating the uncertain macro environment, enhancing diversification, and identifying strategies that harness mega-trends as new portfolio anchors. Clients are seeking strategies that can generate alpha and replace the traditional diversification benefits of long-dated government bonds. This feedback loop with clients shapes BlackRock's investment conversations and drives innovation in product development to address client needs and challenges.

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