The case for private markets: Expanding the opportunity set

T. Rowe Price: The case for private markets: Expanding the opportunity set

Key Insights

  • As capital raising increasingly takes place outside public markets, private investments may expand the opportunity set available to long‑term investors.
  • Investments within private equity, private credit, and real assets can offer distinct benefits, from long‑term growth to income generation and diversification.
  • The potential benefits of private markets come with meaningful trade‑offs, including limited liquidity and greater reliance on manager skill and selection.

For decades, stocks and bonds were the foundation of most investment portfolios. They offered liquidity, transparency, and efficient access to companies, governments, and economic growth. But the structure of global capital markets has changed. Public equity indexes have become more concentrated, and the benefit of diversifying into both stocks and bonds has become less predictable. At the same time, a growing share of business and investment activity now takes place away from public markets. For investors, public markets may represent only a fraction of the available opportunity set.

The question is... not whether private investments should replace public stocks and bonds, but how the two work together to help improve outcomes.

As private markets become a larger part of the investment landscape, they offer additional ways to pursue long‑term growth, income, and diversification in a portfolio. The question therefore is not whether private investments should replace public stocks and bonds, but how the two work together to help improve outcomes.

The increasing relevance of private markets

Institutional investors, including pension funds, endowments, foundations, and sovereign wealth funds, have long incorporated private market strategies into portfolio construction. Now, due to improvements in market infrastructure, individual investors are also gaining broader access to these opportunities.

Private markets expand the range of return drivers available in a long‑term portfolio by providing exposure to businesses, borrowers, cash flow structures, and economic drivers that differ from those represented in public stock and bond markets. At the same time, because private investments are generally less liquid and more complex than public investments, investors should pay close attention to a manager’s ability to select and oversee individual investments.

Private lending is not new and has been growing over time 

(Fig. 1) Assets under management, by strategy

Source: Preqin.
Data as of December 31, 2025.
For office use only: 202609-5923882

Private markets broadly refer to investments that are not bought and sold on public exchanges. The “private markets” label covers several different investments.

Each strategy offers a different combination of benefits and risks, and can play a distinct role within a broader portfolio.

Private equity: Expanding access to long‑term growth

Private equity involves investing in companies that are not publicly traded. Depending on the strategy, managers may invest in established businesses, growing companies, or earlier‑stage enterprises. As a result, private equity can provide access to a broad universe of companies that are not available in public markets.

Private market strategies at a glance

(Fig. 2) Different strategies that can play distinct roles

Strategy What it invests in Potential role in portfolio
Private equity Private companies Long-term growth and appreciation
Private credit Privately negotiated loans and other financing Income and diversification from traditional fixed income
Real assets Real estate and infrastructure Income, diversification, and potential sensitivity to inflation

Historically, one of the primary attractions of private equity has been its potential to generate higher long‑term returns than public equity markets over extended periods. This has been attributed to several factors, including the ability of managers to actively build value within portfolio companies—by supporting growth, strengthening operations, or repositioning the company—as well as the additional compensation investors may receive for committing capital over longer periods. However, focusing solely on excess returns may understate the broader opportunity.

Companies are staying private for longer

Private equity provides access to businesses and business models that may be underrepresented—or simply unavailable—in public markets. Many companies today remain private through a larger portion of their growth cycle, allowing private investors to participate in value creation that historically may have occurred after a company became publicly listed. For example, between 1980 to 2000, the age of initial public offerings averaged 8.0 years. Since 2001, that average has increased to 11.3 years.1

Active ownership may support value creation

The nature of private equity value creation has also evolved. Instead of simply purchasing shares and waiting for their value to rise, private equity managers design and implement detailed value creation plans. These may include working with company leadership to improve operations, pursuing new sources of growth, strengthening management, or helping the business adapt to change. This active ownership seeks to create positive results, but successful execution is not guaranteed.

Manager selection matters in private markets

(Fig. 3) Internal rate of return dispersion by strategy (2005 to 2020 vintages)

Chart shows internal rate of return dispersion across private market strategies for 2005–2020 vintages, comparing top-quartile, median, and bottom-decile returns. Venture capital has the widest range, from 32.3% for top-quartile managers to -3.7% for bottom-decile managers, with a 12.1% median.

Source: Pitchbook. Data as of December 31, 2025. Past performance is not a guarantee or a reliable indicator of future results.

Not all managers are created equal

Private equity is less liquid, more complex, and often more expensive than public equity. These conditions can lead to a wide dispersion of outcomes across managers and investments. The ability to identify attractive companies, purchase them at appropriate valuations, support their development, and ultimately exit successfully can materially affect results. Manager selection therefore plays an especially important role.

Private credit: Seeking income beyond public markets

Private credit refers to lending activity where the financial instruments are not issued or traded on public markets. A manager may lend directly to a business or against a pool of assets, provide debt for a real estate transaction, or finance an infrastructure project.

From a returns perspective, private credit is first and foremost about income generation. Because loans are negotiated directly, lenders may be able to customize terms for a particular borrower, including interest rates, collateral, repayment requirements, and different forms of downside protection. These features help compensate investors for accepting credit risk, complexity, and reduced liquidity.

Private lenders are playing a larger role

Private lending is not new. What has changed is the growing role of investment managers and other nonbank lenders in providing capital to businesses. Regulation, balance‑sheet priorities, and shifts in bank risk tolerance have pushed some borrowers toward private lenders, which may offer speed, certainty, confidentiality, or customized terms that are difficult to obtain through a bank loan or public bond issue.

For investors, that shift has broadened the range of income‑producing opportunities available beyond public bond markets.

Flexibility as a competitive advantage

Private credit can offer higher income than some traditional fixed income investments, in part because investors accept additional credit risk, complexity, and limited liquidity. Negotiated terms provide lenders with key protections, but they do not eliminate credit risk.

Private lending is not new and has been growing over time 

(Fig. 4) Dry powder

As of December 31, 2025. Data representative of North America only.
Source: Preqin.
For office use only: 202609-5923882

Within a diversified portfolio, private credit may complement public fixed income by expanding access to different borrowers and sources of income. However, results will depend heavily on disciplined underwriting and ongoing oversight.

Real assets: Investing in essential assets and long‑term themes

Real assets include investments in physical property and infrastructure. Typical investments in this category include apartment buildings, student housing, logistics facilities, broadband networks, energy infrastructure, hospitals, transportation assets, and data centers—assets that support everyday economic activity. These assets aim to provide income, appreciation, diversification, and, in some cases, help mitigate the effects of inflation.

Examples of real assets

  • Hospital
  • Apartment Building
  • Distribution Center
  • School Buses
  • Cell Tower
  • Data Center
  • Solar Farm
  • Wind Farm
  • Airport

Income supported by physical assets and essential services

Real asset returns come from income, appreciation, or a combination of both. One of the defining characteristics of real assets is their ability to generate cash flows tied to underlying economic activity. Examples include rental income from a property, contractual payments from infrastructure assets, and revenues linked to the use of essential services Because those cash flows arise from physical assets and operating businesses, their return drivers differ from those of traditional stocks and bonds.

Potential sensitivity to inflation

In response to market environments where inflation is running high, some real assets may be able to adjust their revenues as prices rise. Property owners may reset rents when leases renew, while certain infrastructure contracts may include provisions that link payments to inflation. Other assets may benefit when the cost of replacing or building similar properties and infrastructure increases.

However, long‑term fixed contracts, limits on rent increases, rising operating expenses, higher financing costs, or weak demand can reduce this benefit. The degree of inflation protection therefore depends on the specific asset, its contractual terms, and the manager’s ability to operate it effectively.

Different types of development and risk

Real estate and infrastructure should not be viewed as a single risk category. Results may be affected by property demand, tenant or customer quality, construction costs, regulation, environmental requirements, leverage, and changes in interest rates. The risks may also differ substantially between an established, income‑producing asset and a new development.

Careful selection can help investors target the characteristics they seek, but real assets still remain subject to loss and may be difficult to sell.

For many investors, real assets represent an opportunity to gain exposure to some of the most enduring themes in the economy while pursuing enhanced diversification and portfolio resilience.

Private markets: Understanding the trade‑offs

Private markets can expand the opportunity set, but investors should pay close attention to some of the risks:

  • Limited liquidity—Private investments generally cannot be sold quickly. Capital may remain committed for years, and investors have little control over the timing of exits or distributions.
  • Uncertain cash flows—Depending on the investment and vehicle, the timing of contributions, income, and distributions may be less predictable than with many traditional investments.
  • Valuation uncertainty—Private assets are not continuously traded. Smoother reported values do not necessarily mean lower underlying risk.
  • Manager dispersion—Access, sourcing, underwriting, operating skill, transaction discipline, and exit execution can produce a wide range of outcomes.
  • Operational complexity and fees—Fund structures, financing arrangements, tax considerations, and investment terms can be more complicated and costly than traditional funds.
  • Leverage—Borrowing can enhance returns, but it can also magnify losses, reduce flexibility, and create refinancing risk.
  • Investment timing—The price paid and the economic environment when an investment is made or sold can materially affect returns.

Private markets do not eliminate investment risk or market cycles. Relative to public markets, they change where risks reside, how those risks are managed, and how quickly they become visible.

Estimated USD 15 trillion infrastructure funding gap

(Fig. 5) Infrastructure investment (January 2007–December 2040)

As of April 2025.Source:

The Global Infrastructure Hub, Global Infrastructure Outlook, World Economic Forum.

For office use only: 202609-5923882

Putting private markets to work

Private markets are becoming more relevant as companies, assets, and projects increasingly raise capital outside public markets. The potential benefits of private markets—a broader set of tools for pursuing growth, income, and diversification—come with meaningful trade‑offs. Private investments are generally less liquid, more complex, and more dependent on manager skill.

As access broadens, the importance of selection increases. Research, judgment, selectivity, and portfolio construction remain essential to prudent portfolio construction. The appropriate role and size of an allocation to private markets will vary by investor and should accurately reflect their objectives, time horizon, liquidity needs, and the ability to tolerate periods of limited access to capital.

Before investing, investors should consult with their financial advisor about a private market allocation that fits within their broader financial plan. The goal is not to replace public markets, but to determine how public and private assets can work together to pursue improved outcomes.

1 Source: Jay R. Ritter, “Initial Public Offerings: Median Age of IPOs Through 2025,” University of Florida (data as of December 24, 2025).

This content is intended for investment professionals only. Private funds referenced herein are not available for sale in all jurisdictions or to all investors.

Risks

Investments in private markets are speculative and involve a substantial degree of risk, including the possible loss of all or a substantial portion of an investment. Private market investments may be illiquid, difficult to value and subject to restrictions on transfer, and there may be no readily available secondary market. They may also employ leverage or other investment techniques that can increase the risk of loss. Fees and expenses associated with private market investments may be higher than those of traditional investments and will reduce investment returns. Private market investments may not be suitable for all investors and generally require a long‑term investment horizon and the ability to tolerate limited liquidity and substantial fluctuations in value. Investors should carefully consider their investment objectives, financial circumstances, risk tolerance and the specific risks of an investment before investing.

Unless otherwise noted, all currencies mentioned are in US Dollars.

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