Insurance Curator WASHINGTON — State and federal regulators are significantly ramping up oversight of the life insurance industry as carriers increasingly swap traditional government and corporate bonds for complex private credit and alternative assets to boost returns.
The National Association of Insurance Commissioners (NAIC) and the International Monetary Fund (IMF) have issued a series of warnings and policy updates over the last six months, citing concerns that the rapid migration into illiquid private markets could leave insurers vulnerable during a severe economic downturn. The shift is particularly pronounced among life insurers owned by or partnered with private equity firms, where exposure to private credit now often exceeds industry averages.
“The complexity and opacity of some of these investments require a more granular level of supervision,” said Elizabeth Kelleher Dwyer, chair of the NAIC’s Financial Condition Committee, in a recent briefing. “We are focused on ensuring that the capital buffers held by insurers accurately reflect the underlying risk of these structured securities.”
A Structural Shift in Portfolios
For decades, life insurers—the bedrock of the long-term savings and retirement market—invested almost exclusively in high-grade, publicly traded bonds. However, a decade of low interest rates forced a hunt for yield that fundamentally altered the composition of the industry’s $8.2 trillion in total assets.
According to data from AM Best, life insurers’ allocations to "other" invested assets—a category including private equity, hedge funds, and direct private placements—have nearly doubled over the last decade. Within this shift, private credit has emerged as the primary vehicle for growth. These assets, which include collateralized loan obligations (CLOs) and asset-backed securities (ABS), often offer yields 100 to 300 basis points higher than comparable public bonds.
The IMF’s Global Financial Stability Report recently highlighted this trend, noting that private credit now accounts for a significant portion of the "shadow banking" nexus.
“The increased interconnectedness between private credit funds, private equity firms, and life insurance companies creates a feedback loop that could amplify systemic shocks,” the IMF report stated. “While these investments provide higher yields, they lack the transparency and secondary market liquidity of traditional corporate debt.”
Regulatory Response and Capital Charges
The primary battleground for this oversight is the NAIC’s Securities Valuation Office (SVO). Regulators are currently implementing a multi-phase plan to overhaul how private credit is rated and taxed for capital purposes.
In late 2024, the NAIC moved to grant the SVO "discretionary authority" to overrule credit ratings provided by third-party agencies if the regulator deems the rating too optimistic. Previously, insurers could rely on ratings from agencies like Moody’s or S&P to determine how much capital they must hold against an investment. Under the new rules, if the SVO finds a private credit instrument is riskier than its rating suggests, it can force the insurer to hold significantly more capital.
Furthermore, the NAIC is targeting "feeder fund" structures often used by private equity firms to package debt into tranches. Regulators are concerned that these structures allow insurers to treat what is effectively equity-grade risk as investment-grade debt for regulatory reporting.
"We are not telling insurers they cannot invest in private credit," said a senior official at the Florida Office of Insurance Regulation. "We are saying that the capital treatment must match the economic reality. You cannot arbitrage the system by wrapping a high-risk loan in a complex structure to make it look like a ‘Single-A’ bond."
The Private Equity Influence
Much of the regulatory scrutiny is directed at the "private equity-insurance model." Firms such as Apollo Global Management (through Athene), Blackstone, and KKR (through Global Atlantic) have become dominant players in the life and annuity space. These firms use the steady stream of premiums—known as "permanent capital"—to fund their private credit lending arms.
Proponents of this model argue it is a win-win: policyholders get better rates on annuities, and the economy benefits from a new source of credit.
“Life insurers are long-term investors. We don’t need the same daily liquidity as a mutual fund or a bank,” said a spokesperson for the American Council of Life Insurers (ACLI). “Private credit is often a natural fit for matching long-duration liabilities like life insurance payouts. Our members remain well-capitalized and undergo rigorous stress testing.”
However, the U.S. Treasury Department’s Financial Stability Oversight Council (FSOC) remains skeptical. In its 2024 Annual Report, the FSOC identified the "transformation of the life insurance industry" as a potential systemic risk. The council noted that some private equity-backed insurers have significantly higher leverage and more exposure to commercial real estate and middle-market loans than traditional mutual insurers.
Liquidity and Valuation Concerns
A major point of contention for regulators is the "mark-to-market" challenge. Unlike public bonds, which have prices updated every second on an exchange, private credit assets are often valued based on models.
"In a period of stress, these valuations can be lagging," said Timothy Courtis, Chief Financial Officer at a mid-sized life carrier. "If interest rates stay higher for longer and defaults rise in the private sector, there is a risk that the 'fair value' reported on balance sheets doesn't reflect what those assets would actually fetch in a forced sale."
Regulators are also examining the "liquidity mismatch." While life insurance policies are long-term, many allow for surrenders or withdrawals under certain conditions. If a large number of policyholders were to withdraw funds simultaneously—a "run on the insurer"—carriers might find it difficult to sell illiquid private loans to meet those demands.
International Implications
The scrutiny is not limited to the United States. In Bermuda, a major hub for the global reinsurance market, the Bermuda Monetary Authority (BMA) has recently tightened its "Prudent Person Principle" guidelines. These changes require insurers to demonstrate a deeper understanding of the underlying collateral in their private credit portfolios.
Since many U.S. life insurers "cede" or move their risk to Bermuda-based affiliates to take advantage of different accounting rules, the BMA’s move is seen as a coordinated effort with U.S. state regulators to close potential loopholes.
Looking Ahead
As the NAIC continues to roll out its "Macroprudential Initiative," the industry expects more stringent reporting requirements for private placements and asset-backed securities through 2025 and 2026.
Market analysts suggest the increased capital charges could slow the pace of private credit adoption. "The 'easy' yield from regulatory arbitrage is being engineered out of the system," said credit analyst Mark Mason. "Insurers will still invest in private credit, but the cost of doing so will rise, which may ultimately impact the pricing of annuity products for consumers."
For now, the life insurance industry remains one of the largest holders of private debt globally. Whether the current regulatory intervention is enough to prevent a systemic crisis, or if it is an overreach that stifles investment returns, remains a central debate among financial policymakers in Washington and beyond.