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An announcement from White Mountains Insurance Group ( (WTM) ) is now available.
White Mountains Insurance Group’s subsidiary Ark Insurance Holdings Limited renewed its reinsurance sidecar, Outrigger Re Ltd., for business incepting during calendar year 2026 on terms similar to those in effect for 2025. Outrigger entered into a quota share with Ark to provide collateralized reinsurance protection on a portion of Ark Bermuda’s global property catastrophe portfolio, deploying $70 million of investor capital for the 2026 underwriting year, all sourced from third-party investors. The sidecar’s reduced size versus prior years reflects Ark’s increased reliance on traditional quota share reinsurance in 2026, signaling a shift in its capital and risk management mix while still maintaining access to alternative capital from external investors.
The most recent analyst rating on (WTM) stock is a Buy with a $2245.00 price target. To see the full list of analyst forecasts on White Mountains Insurance Group stock, see the WTM Stock Forecast page.
Spark’s Take on WTM Stock
According to Spark, TipRanks’ AI Analyst, WTM is a Outperform.
White Mountains Insurance Group’s overall stock score is driven by a solid financial foundation and favorable technical indicators. The strategic sale of a majority stake in Bamboo is a significant positive corporate event, enhancing financial flexibility. However, the high P/E ratio suggests potential overvaluation, which tempers the overall score.
To see Spark’s full report on WTM stock, click here.
More about White Mountains Insurance Group
White Mountains Insurance Group, Ltd. is a specialty property and casualty insurance and reinsurance company, operating through subsidiaries such as Ark Insurance Holdings Limited, which focuses on global property catastrophe risk and related specialty lines. Ark uses structures like reinsurance sidecars and quota share arrangements to manage capital and risk across its portfolio, particularly through its Bermuda platform.
Average Trading Volume: 22,602
Technical Sentiment Signal: Buy
Current Market Cap: $5.12B
See more insights into WTM stock on TipRanks’ Stock Analysis page.