Reinsurance sidecars news

Over the first-half of 2026, Bermuda headquartered re/insurer Arch Capital reported a 27% reduction in net property catastrophe reinsurance premiums, while its senior executives noted higher cessions to reinsurance (likely retro) and third-party capital providers.

The Bermuda Stock Exchange (BSX) continues to optimise its process for listing new insurance-linked securities (ILS), with a streamlining announced that will allow for guaranteed next day listings, with same day possible in certain cases, for previously approved insurance-linked securities (ILS) programmes.

Hannover Re acknowledges reinsurance pricing is declining fastest in property catastrophe risks, but the company continues to find some growth opportunities here and expects price reductions will begin to decelerate now that rates have come down for two consecutive years, Sven Althoff said today.

Mangrove Property Insurance Company, the Florida based specialist insurer, has announced the launch of Grove Re Ltd., the company’s first sidecar reinsurance vehicle, indicating a growing strategic goal to tap into efficient third-party capital sources.

While White Mountains elected not to invest capital into the Outrigger Re collateralized reinsurance sidecar, which supports its P&C insurance and reinsurance subsidiary Ark, for the 2026 underwriting year, the vehicle continues to serve as a major driver of cash flow, returning substantial capital to the firm throughout 2026 so far.

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.

Speaking this morning during an earnings call, Munich Re’s CFO Andrew Buchanan gave the clearest explanation for why the global reinsurance company has reduced its retrocessional protection considerably, saying the company puts the effort into underwriting so it can keep the risk and has the financial strength to warehouse it.

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.

International life and annuity insurance specialist Talcott Financial Group (Talcott) has announced the launch of West Grove Re Ltd., a Bermuda based reinsurance sidecar structure that has been capitalised with approximately $1 billion after a fund-raise in partnership with Goldman Sachs.

Strong U.S. annuity sales have driven a surge in reinsurance sidecar formations, with total ceded reserves climbing to over $90 billion in 2025, a notable increase from $64 billion in 2024, and $55 billion in 2023, rating agency AM Best has reported.