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Endowments and foundations (E&F) face a particular portfolio construction challenge: meeting current spending needs while preserving the long-term real value of principal.
In most cases, the capital base is perpetual, and the portfolio must support distributions year after year without impairing future purchasing power. In practical terms, many institutions underwrite to an annual objective1 of 7–8%, made up of approximately 5% spending plus another 2–3% to offset inflation and maintain the real value of the corpus.
That is a high bar for a portfolio that must also maintain liquidity, manage drawdowns, and preserve flexibility across changing market environments. Many E&F portfolios have responded by evolving toward a barbelled structure. On one side sit highly liquid assets for operating needs, distributions, rebalancing flexibility, and near-term obligations. On the other sit return-seeking assets, often including private equity, venture capital, hedge funds, and other illiquid strategies, deployed to close the gap between spending needs and long-term return requirements.
While this structure offers certain potential benefits, it also can create a concentrated dependence on the equity risk and liquidity premia, leaving portfolio success tied to growth-oriented and market-sensitive exposures. Compounding this, the dispersion of expected returns across asset classes has tightened; as forward-looking expectations compress and converge, traditional diversification may do less to differentiate outcomes.
Exhibit 1. The Dispersion of Cross-Asset Expected Returns has Tightened
In this context, an allocation which can provide attractive income, low correlation to equities, and minimal expected volatility may help fill part of the gap between highly liquid, low-return assets and less-liquid, equity-oriented return drivers.
Private IG can deliver investment-grade credit exposure through bespoke origination across corporate credit, asset-backed finance, and structured solutions. For endowments and foundations, that can mean high-quality income with a premium spread to public credit, alongside structural protections and limited correlation to traditional risk-seeking assets.
Private IG offers an opportunity set that differs markedly from traditional public fixed income. Through bespoke financing and asset-backed transactions, Private IG can access less-intermediated parts of the credit market that do not appear in standard public bond indices. These strategies typically target mid-to-high single-digit yields, exceeding traditional money market or public short-duration options by 150 to 300 basis points2 , driven primarily by structuring and origination premia.
Learn more about the sources of spread premium within Private IG.
In practice, Private IG earns its place through portfolio applications. Three uses stand out in the E&F context.
For many institutions, core fixed income plays an important defensive role, acting as ballast during periods of volatility. However, historically tight spreads in the public credit market can leave that allocation short of the portfolio’s broader return hurdle.
In that setting, Private IG may offer a more productive use for a portion of the core fixed income sleeve while remaining within an investment-grade framework. Rather than reaching for yield by extending duration, adding leverage, or moving down in credit quality, Private IG seeks to earn excess spread from origination, structure, and security selection—potentially making the fixed income sleeve more efficient while preserving credit quality and downside protection.
Exhibit 2. Private IG Complements Existing Core Fixed Income
Endowments and foundations routinely hold reserves against upcoming private market capital calls, typically held in money market funds, or similar low-yielding instruments. While this approach can preserves flexibility, it may be inefficient when capital deployment is not imminent.
For these pools of capital, Private IG may offer a more effective intermediate solution. Where capital calls are uncertain but not immediate and relative stability still matters, it can provide better income than cash-like instruments while still playing a defensive role. The key is careful liquidity matching, aligning each liquidity tool with when the capital is likely to be used.
Exhibit 3. Private IG Provides Yield Pickup Versus Traditional Capital-Call Allocations
3. Serving as an alternative to certain market-neutral hedge fund allocations
Many institutions hold market-neutral hedge funds to diversify equity risk and earn returns uncorrelated with broader markets. In practice, those strategies can bring complexity, higher fees, and wide dispersion in manager performance.
Private IG competes for that same role. Both strategies target mid-to-high single-digit returns with minimal volatility and limited correlation to traditional risk assets—but Private IG pursues that outcome through income, structural protections, and investment-grade underwriting, a simpler and more transparent path to the same diversifying return.
Exhibit 4. Private IG vs. Market-Neutral HFs
For endowments and foundations, the challenge is structural: aiming to meet a 7–8% return hurdle while seeking to preserve principal and maintaining liquidity can leave portfolios heavily dependent on equity and liquidity premia. Private IG can help diversify those exposures by combining investment-grade credit quality, attractive income and low correlation to risk assets within a flexible fixed-income allocation. Its most meaningful roles are practical: complementing core fixed income, providing a liquidity bridge for unfunded commitments and offering a simpler alternative to certain market-neutral strategies. Used selectively, Private IG can help institutions support spending needs while building a more balanced and resilient portfolio.
Footnotes:
1. Source: MARSH “Insights from the 2025 NACUBO-Commonfund Study of Endowments”
2. Source: Apollo Analysts
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