Kinsale insures risks and invests the premiums until claims are paid. Its growth has slowed, and in 2026 more profit is going to buying back shares, so value per share now has to keep rising.
Buying insurance means paying money today for help you may never need. Kinsale Capital Group sits on the other side of that deal. It is a specialty insurer with one business, excess and surplus lines (a specialist corner of the insurance market). Customers pay premiums for cover. Kinsale's job is to choose and price those risks well, then pay the claims that follow. Premiums arrive before claims, so it invests that money in the meantime.
Two things decide what remains. The first is underwriting: whether premiums cover claims, the cost of winning policies and the cost of running the business, with room to spare. From 2023 to 2025, claims and costs took between $78 and $79 of every $100 of premiums. The insurance itself therefore made a profit before any investment income. The second is investing. Money it owes policyholders, mainly $3.3 billion of claims not yet paid at September 30, 2026, funds most of a $5.3 billion portfolio. That portfolio is mostly bonds, with $779 million in shares. Investment income grows mainly as this pool grows. Shares are valued at market prices, so reported profit rises and falls with the stock market. That makes book value (the accounting value of what shareholders own) a better gauge than any single quarter's profit.
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