Private Credit, Five Years In: What We Learned

Five years ago, private credit was widely described as the "next big thing" in alternative investments. Today, it has matured into a $2 trillion-plus asset class that rivals the broadly syndicated loan market in size and significance. As someone who has spent the past five years building Aethon's credit platform from $4 billion to over $15 billion in assets, I want to share what I have learned about the asset class, what has surprised me, and what I expect from the next five years.

**What has worked: discipline and origination**

The most important lesson of the past five years is that the dispersion of returns across private credit managers is much wider than headline statistics suggest. Median performance has been respectable but unspectacular, while top-quartile managers have generated significantly better outcomes—and the gap has widened over time.

In our experience, two factors explain most of the dispersion: discipline and origination.

**Discipline** means having the conviction to say no. The private credit market has periodically experienced bouts of excessive enthusiasm, with terms loosening, leverage rising, and credit spreads compressing to inadequate levels. Managers who maintained discipline through these periods—and accepted slower deployment as the cost—have generated meaningfully better outcomes. At Aethon, we deliberately slowed deployment in 2021 when market terms deteriorated, even though it cost us short-term fee income. That decision protected our investors from the credit issues that have since emerged in vintages of that period.

**Origination** means controlling your own deal flow rather than depending on intermediated pipelines. The private credit managers who have generated the strongest risk-adjusted returns are those who have built proprietary origination capabilities through direct relationships with sponsors, advisors, and management teams. This is hard, expensive, and slow to build—but it pays compound dividends over time.

**What has surprised me**

Three things have genuinely surprised me about the past five years.

**First**, the resilience of credit performance through market stress. We have now navigated multiple periods of market stress over the past five years, including the COVID shock, the rapid rate hike cycle, and the regional banking concerns of 2025. Through each, our portfolio loss rates have remained well below industry averages and dramatically below what historical default rate models would have suggested. The combination of strong sponsor support, conservative initial structuring, and active portfolio monitoring has proven more powerful than I expected.

**Second**, the speed of institutional acceptance. When I joined Aethon in 2020, private credit was still considered an exotic allocation by many traditional institutional investors. Today, it is firmly in the mainstream of fixed income allocation across pension funds, insurance companies, sovereign wealth funds, and increasingly, retail and high-net-worth channels. The pace of capital formation has exceeded even optimistic projections from five years ago.

**Third**, the maturation of structuring and documentation. Five years ago, private credit terms were often less rigorous than syndicated loan terms. Today, the best private credit lenders demand documentation that is at least as protective as syndicated equivalents, and often more so. This evolution has dramatically improved the risk profile of the asset class.

**What I expect from the next five years**

Looking ahead, I see three trends that will shape the next five years of private credit.

**First**, increased dispersion. The first decade of private credit's growth was characterized by expanding capital supply and accommodating market conditions. The next decade will be more demanding. Returns will increasingly depend on origination differentiation, structuring expertise, and credit selection. The gap between top-quartile and median managers will widen further.

**Second**, vertical specialization. As the asset class matures, we expect to see increased specialization by sector, geography, and credit segment. Generalist private credit funds will face growing competition from specialists with deeper sector expertise. At Aethon, we are leaning into this trend by building dedicated capabilities in healthcare, technology, and asset-based lending.

**Third**, the rise of asset-based and specialty finance. As traditional middle-market direct lending becomes more competitive, we expect significant capital formation in adjacent categories: asset-based lending, equipment finance, royalty finance, and specialty consumer credit. These categories offer attractive yields and downside protection but require different underwriting capabilities.

I am genuinely energized by the next five years of private credit. The asset class has matured, but it has not stopped evolving. For disciplined investors with strong origination capabilities and the courage to remain selective, the opportunity remains compelling.