Spinnaker locks in $100M catastrophe bond at below-guidance pricing

What's the deal? Spinnaker Insurance CompanyDealroom has a profile for this one. Try Dealroom → has secured $100 million in reinsurance protection from capital markets through its Mountain Re Ltd. (Series 2026-1) catastrophe bond, pricing the notes at the low end of already-reduced guidance. The deal covers US named storms, earthquakes, severe thunderstorms, winter storms, and — for the first time — fire, primarily California wildfire exposure.

Why now? Spinnaker, a personal and commercial lines programme and fronting specialist, returned to the cat bond market for its second sponsorship to renew and extend its reinsurance protection. The three-year deal runs to June 7, 2029, and carries an initial base expected loss of 2.46%.

Investor appetite proved strong enough to let Spinnaker tighten pricing. The initial spread guidance of 7.75% to 8.5% was cut to 7.25% to 7.75%, and the notes ultimately priced at 7.25% — the floor of the revised range.

What could go wrong? The addition of California wildfire as the dominant expected-loss contributor is notable given the state's escalating fire seasons. An indemnity trigger means investors bear actual loss exposure rather than relying on parametric thresholds, which could complicate payouts during complex multi-peril events.

The signal: Spinnaker's ability to price at the floor of reduced guidance — while adding wildfire as the dominant expected-loss peril — underscores just how much capital is chasing insurance-linked risk right now. For an early-growth programme and fronting specialist, locking in $100 million of reinsurance at a 7.25% spread signals that even smaller, less-established sponsors can tap capital markets on favourable terms, potentially reshaping how niche insurers manage catastrophe exposure outside the traditional reinsurance market.

Read more: artemis.bm