Casualty reinsurance sidecar news

As reinsurance sidecars increasingly expand into longer-tailed lines of business, the risk profile of these structures is shifting from traditional underwriting toward asset-side management. According to executives at financial and risk advisory firm Kroll, navigating this momentum requires strict asset-liability matching, robust valuation methodologies, and a deep understanding of complex collateral mechanics.

Everest Group, the global insurance and reinsurance specialist, reported an increase in premiums ceded to Mt. Logan Re Ltd., its third-party capitalised sidecar-like structure in the second-quarter of 2026, while the company also disclosed ceding $274 million of written premiums to its new Annapurna Re casualty reinsurance sidecar vehicle.

Despite a surge in third-party capital assets under management within its Mt. Logan Capital Management unit, driven largely by the launch of the Annapurna Re casualty reinsurance sidecar, Jim Williamson, President and CEO of Everest Group has outlined that the company doesn’t change its underwriting logic based on the availability of third-party capital.

Mt. Logan Capital Management, Ltd. (MLCM), the Everest Group owned third-party capital management platform, has expanded its assets under management meaningfully over recent months, reaching $3.4 billion in AUM, helped by parent Everest’s launch of what was the largest casualty reinsurance sidecar to be launched in the market.

AXIS Capital, the global specialty insurance and reinsurance underwriter, reported another rise in fee income earned through strategic capital partner arrangements in the second-quarter of 2026, as insurance-linked securities and third-party capital activities continue to build and its Capacity Solutions capability contributes.

Chubb has been buying more reinsurance this year as it sees an opportunity to “feed the hungry” in the competitive and softened market environment, CEO Evan Greenberg said today. He also made some interesting commentary on softening expanding into casualty lines and rate failing to keep up with loss costs, in his view.

Insurance-linked securities and reinsurance sidecar investments made by Eaton Vance through three of its mutual funds have risen significantly in the last half-year, increasing by more than 126% to reach almost $680 million by April 30th, with brand new allocations made to structures linked to Arch Capital, PartnerRe and QBE, as well as to one […]

Bermuda again saw strong registration numbers of new catastrophe bond, insurance-linked security (ILS) and alternative or third-party reinsurance capital related entities in the first-half of 2026 and while the total dropped slightly compared to the prior year, first-time cat bond market entrants bolstered the total.

Reinsurance sidecars remain a key theme in 2026, with third-party capital deployment holding broadly stable despite a rapidly evolving landscape of perils and structures, according to Aon Securities, the broker-dealer and investment banking arm of the broking firm.

A new report from S&P Global Ratings highlights a structural shift in the sidecar market, as casualty reinsurance sidecars have grown to account for approximately 10% of total sidecar capacity. Driven by a wave of recent high-profile launches these vehicles are attracting alternative capital by offering returns largely uncorrelated with broader financial markets.