Short sellers double bets against U.S. life insurers over private credit worries

Short sellers have more than doubled their bets against U.S. life insurance stocks over the past year to more than $5 billion, a stark sign that Wall Street is growing uneasy about the sector’s fast-rising exposure to private credit.

The wagers, measured from ORTEX data, point to a deeper fear than a weak quarter or a missed earnings target. Life insurers have leaned on private credit for yield in a world where plain-vanilla fixed income has often paid too little, but that hunt for return has pushed them into assets that are harder to value and less liquid when markets turn.

That concern has sharpened after portfolio managers were found to hold debt tied to bankrupt auto firms and a United Kingdom mortgage lender accused of fraud. Those cases fed a broader debate about whether private credit, once marketed as a steady source of income, can mask hidden losses until stress forces a reassessment.

The risk sits in the structure of the holdings themselves. Moody’s said in June 2025 that private credit had transformed the U.S. life insurance industry after the financial crisis, when low interest rates pushed insurers to join forces with alternative asset managers. Fitch Ratings later said in October 2025 that life insurers affiliated with alternative asset managers held 24% of assets in Level III securities at the end of 2024, compared with 6% for non-affiliated insurers. Level III assets are the hardest to price because they rely most heavily on unobservable inputs, which can leave investors guessing about their true worth.

That is why the latest short-selling surge matters. It suggests investors are not only reacting to company-specific results, but to the possibility that a conservative industry has become too reliant on opaque credit exposures just as the private-credit market faces more scrutiny. S&P Global Market Intelligence said in April 2026 that analysts expected those exposures to be a key focus during first-quarter earnings season, and TD Cowen analyst Andrew Kligerman said investor concern over private credit had been a “main driver” of year-to-date stock pressure on the industry.

If private-credit worries deepen, life insurers could face higher funding costs, tougher questions from investors and pressure to disclose more about the quality and structure of their portfolios. For policyholders and retirees who depend on insurers for annuities, death benefits and long-term promises, the issue is not abstract: a strain in the investment book can eventually raise the cost of those guarantees and test confidence in a business built on trust.