Strategic asset allocation
Target split of a portfolio across major asset classes over a multiyear horizon, set by the board under two constraints: expected return and regulatory capital.
Strategic asset allocation is the investment decision that matters, far ahead of security selection: it determines most of the variance of a portfolio's return. For an insurer, it is framed differently from a classical institutional investor's, on three points. Liabilities are the starting point rather than a constraint appended at the end: the duration and payment pattern of obligations bound the admissible allocation space from the outset. Solvency enters as the dual constraint to return. An asset is judged on its return relative to the capital it consumes, not on expected return alone. That completely reorders asset classes and explains why listed equity is rare on European insurers' balance sheets. Finally, accounting joins in: whether an unrealized gain flows through income or equity changes the distribution constraint. Strategic allocation also differs from tactical allocation, which departs from it temporarily within authorized and documented bands, and whose deviations must be monitored and justified.
Investment committee of a European non-life insurer, strategic allocation review in 2026. An asset class offering a 6.5% expected return for a 39% regulatory shock yields 16.7 points of return per unit of capital; a class offering 3.2% for a 12% shock yields 26.7. The second is selected despite a headline return half as large. That arithmetic shapes the sector's balance sheets far more than management preference does.
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