The insurance-linked securities (ILS) fund sector gained 0.81% on average for November 2025, lifting the group of cat bond and ILS funds tracked by the ILS Advisers Fund Index to an average 11-month return of 10.40%.
November 2025 saw the average returns of the insurance linked securities fund sector falling back slightly, although still delivering well-above average performance for the month.
The ILS fund sector had been delivering particularly impressive returns through the peak seasonality period of the US hurricane season, with the ILS Advisers Fund Index having delivered record average monthly returns for each of July through October 2025.
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