Tier One: What's Actually Inside a Life Insurance Company Now

For most of our careers, evaluating a life insurance carrier was a two-step exercise: check the rating, check the surplus. That shorthand worked because it summarized a balance sheet that was genuinely simple to read. Reserves sat under familiar domestic rules. Assets were public bonds with observable prices. Investment management happened at arm's length. The rating agencies distilled all of it into something we could hand a client with confidence.

That carrier, in large parts of the industry, no longer exists. And the change is showing up everywhere we look this year in regulatory filings, in Wall Street Journal investigations, in Federal Reserve research.

The Scale of the Shift

Life insurers have become one of the largest buyers of private credit in the financial system. Chicago Fed researchers put life insurers' private credit provision at roughly $849 billion in 2024, about 14 percent of their balance sheets. NAIC data shows general account allocation to private credit and related strategies climbing from 12% to 18% of assets in five years. This is a structural reallocation of how a meaningful share of American retirement savings is invested, much of it inside annuity products marketed as safe and conservative. The logic was straightforward: annuity liabilities need stable, long-duration cash flow, and private credit offered a spread advantage over public bonds, letting PE-affiliated carriers price more competitive products and capture market share.

The aggregate figure also hides how unevenly that exposure is spread. In a separate analysis this spring, Chicago Fed researchers mapped insurers' private placement portfolios and found far less uniform overlap than in public bond holdings. A small group of carriers sits at the dense center of the network, linked to one another by holdings sourced from the same large originators. The industry's largest private placement holder, a mutual, sits out at the fringe, with a mostly bespoke book it originates on its own and few ties to anyone else. The same headline allocation can sit on two very different balance sheets.

When the Insurer Becomes the Buyer and the Seller

The newer twist, documented by the Wall Street Journal this spring, is that at PE-linked carriers the asset manager originating the loan and the insurer buying it increasingly share a parent company. Affiliated investments held by life and annuity insurers hit $413 billion in 2025, double the 2020 figure. At several PE-linked carriers, affiliated holdings now run 10% to 30% of total assets against a 7% industry average. AM Best found that 56% of those affiliated assets sit in the bond category, the core claims-paying asset class, and that 98% of those bonds are private placements, with half carrying private letter ratings rather than ratings from a major agency.

At some carriers this is the structural shape of the balance sheet. The Bank for International Settlements has flagged the obvious conflict: a manager with an incentive to place its own originations has every reason to keep originating, unless the insurer retains real institutional ability to say no.

Insurers Lending to the Funds They Back

A further wrinkle, reported by the Journal in June, is that insurers are not only buying private credit funds, they are lending directly to them. Industry-wide, insurers appear to have lent roughly $24 billion to funds in which they simultaneously hold about $12 billion in equity stakes. That double exposure concentrates risk rather than diversifying it. As Clearwater's head of research put it, when an insurer is both the equity and the debt in the same fund, it raises the threat of cross-contamination if the underlying loans turn.

Why the Rating May Not be Reading the Right Carriers

Three structural shifts compound each other: liabilities increasingly ceded to offshore reinsurers, often affiliated and under lighter reserve regimes; assets migrating into privately originated, privately rated, model-priced instruments; and a disclosure framework that has not kept pace with either. The rating agencies still summarize. That is their job. But the gap between the summary and the underlying structure has widened. One Kansas-domiciled carrier, for example, held nearly half the entire industry's collateral loans in 2024, almost all affiliated with its own ownership group, carried at a flat 6.8% capital charge despite resembling equity exposure that would otherwise draw 30-45%. The NAIC adopted new collateral loan capital factors in June 2026, scaled to the underlying collateral, but effective only at year-end 2027. Until then the flat 6.8 percent charge governs, which leaves the gap open through the 2026 reporting cycle.

The Credit Quality Underneath

Some of what is observable in private credit is already softening. Interest coverage has compressed, payment-in-kind usage has climbed, and the IMF has flagged a large share of borrowers running negative free cash flow. The point is not that these figures forecast losses. These figures describe the thin, visible edge of a portfolio whose interior the public filings do not show. Whether that visible softening spreads is a smaller question than how little of the book can be seen from outside at all.

Regulators are Now Formally Asking

This spring, the Federal Reserve began surveying banks on private credit exposure, while Treasury launched a parallel series of meetings with insurance regulators focused specifically on private credit, offshore reinsurance, and fund leverage with regulators acknowledging, through action, that this is now a financial stability question with an address inside the insurance system.

The common answer is that if any of this were serious, the market would already be showing it. Ratings are stable and no carrier has been forced to write the exposure down, so the concern must be overstated. But the market is no longer speaking with one voice on these names. The same filings that support a stable rating are now producing short positions built specifically on the private credit exposure. When identical disclosure yields both a calm rating and a serious short thesis, the disclosure has failed to settle the question. The disagreement offers no reassurance in either direction. Read it instead as the illegibility itself, surfacing in prices.

What this Means for Advisors and Clients

None of this indicts the industry broadly. Traditional mutual carriers and large stock insurers anchored in public fixed income are not implicated by these structures, and many PE-linked carriers are performing exactly as designed. But "life insurance" is no longer a single risk profile, and the old diligence shorthand of rating plus surplus no longer reliably distinguishes between the two. The work that used to live with the rating agency now lives, in practice, with the advisor: reading reinsurance schedules directly, understanding affiliated concentration, and asking whether the carrier behind a policy can say no to its own asset manager. For clients with permanent life insurance and annuity exposure at HNW and uHNW scale, that diligence is no longer optional background reading. It is the underwriting question.

This commentary draws on reporting and analysis from the Wall Street Journal, the Federal Reserve, the IMF, AM Best, the NAIC, and ongoing independent analysis published by Life Insurance Strategies Group's "Our View of Things."  Life Insurance Strategies Group does not sell products.  It helps its individual and institutional clients make decisions involving complex life insurance transactions.