Reinsurance sidecars news

US-headquartered insurance holding firm, W. R. Berkley Corporation, reported higher premiums being ceded to its Lifson Re collateralized reinsurance sidecar for both the second-quarter and first-half of 2026, while the company also recognised more fee income being earned from the structure.

Willis Re, the reinsurance advisory and brokerage firm, has signed a definitive agreement to acquire the US Reinsurance division of BMS Group (BMS Re, US). The deal includes BMS Intermediaries Inc., BMS Capital Advisory LLC, and BMS Re’s associated US reinsurance broking team based in London.

Mangrove Property Insurance Company, the Florida based specialist insurer, has secured a record-setting catastrophe reinsurance programme for the 2026 Atlantic Hurricane Season, which is set to provide protection against both the frequency and severity of catastrophe events, with coverage reportedly extending to a 1-in-175 year storm.

The Bermuda Stock Exchange (BSX) continued to grow its market share of catastrophe bonds and other insurance-linked securities (ILS) in the second-quarter of 2026, ending the period with a record-high $70.5 billion of ILS related listings on the exchange.

As alternative reinsurance capital, so that deployed through insurance-linked securities (ILS) and related collateralized structures, continues to expand and gain momentum across the reinsurance market, this pace is expected to continue, and according to Laurent Rousseau of broker Guy Carpenter, this will lead to a greater space for financial investors.

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.