Alternative capital is rewriting the rules of reinsurance, and while it seems it is here to stay, its rapid integration brings distinct structural challenges, a recent Guy Carpenter report highlights.
The ‘Convergence of Financial and Reinsurance Capital: How catastrophe bonds, sidecars, and financial investors are redesigning the architecture of global reinsurance’ report examines the accelerating integration of alternative capital into the global reinsurance market and the implications for capacity, pricing, and market structure.
According to Guy Carpenter’s data, alternative capital now represents nearly 20% of the estimated US$660 billion in global reinsurance capital, up from 13% in 2013.
The momentum peaked in 2025, driven by record-breaking figures, with public catastrophe bonds issuance reaching about US$25 billion, bringing outstanding 144A cat bonds to roughly US$58 billion.
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