Outrigger Re

While White Mountains elected not to invest capital into the Outrigger Re collateralized reinsurance sidecar, which supports its P&C insurance and reinsurance subsidiary Ark, for the 2026 underwriting year, the vehicle continues to serve as a major driver of cash flow, returning substantial capital to the firm throughout 2026 so far.

While the hard market in property insurance and reinsurance has ended and the direction of travel for rates is generally down, Ian Beaton CEO of global specialty re/insurer Ark said he still feels there is rate adequacy this year and maybe into next. But, given the investor interest in casualty ILS, he was less certain […]

White Mountains reported that the Outrigger Re collateralized reinsurance sidecar, which supports its P&C insurance and reinsurance subsidiary Ark, continued to deliver positive income through the first-quarter of 2026, as even without having made a fresh sidecar investment for this year, benefits still flow for the company.

White Mountains has reported that its investment into the Outrigger Re collateralized reinsurance sidecar, which supports its P&C insurance and reinsurance subsidiary Ark, delivered pre-tax income of $45 million in 2025, of which $55 million was attributable to the 2025 underwriting year, partially offset by a loss of $10 million from the 2024 underwriting year.

Ark Insurance Holdings Limited, a property and casualty insurance and reinsurance subsidiary of the White Mountains Insurance Group, Ltd., has renewed its collateralized reinsurance sidecar Outrigger Re Ltd. for the 2026 calendar year at a meaningfully smaller $70 million in size.

After the third-quarter of 2025, White Mountains has reported that its investment into the Outrigger Re collateralized reinsurance sidecar that supports its P&C insurance and reinsurance subsidiary Ark has generated pre-tax income of $40 million from the current underwriting year, up on last year.

White Mountains reported that in the first six months of 2025, its investment into the Outrigger Re collateralized reinsurance sidecar, that supports its P&C insurance and reinsurance subsidiary Ark, was impacted by the Los Angeles wildfires, which contributed to a pre-tax income of just $0.3 million for the sidecar in the period, as well as […]

White Mountains reported that in the first-quarter of 2025 its investment into the Outrigger Re collateralized reinsurance sidecar, that supports its property and casualty insurance and reinsurance subsidiary Ark, was impacted by the California wildfires which contributed to a loss for the sidecar and an elevated 166% combined ratio for the period.

White Mountains has reported that for full year 2024, its investment into the Outrigger Re collateralized reinsurance sidecar, which supports its property and casualty insurance and reinsurance subsidiary Ark, delivered income of $46 million, down 33% on 2023 as catastrophe losses had a far greater impact.

Ark Insurance Holdings Limited, a property and casualty insurance and reinsurance subsidiary of the White Mountains Insurance Group, Ltd., has successfully sponsored a renewal of its collateralized reinsurance sidecar Outrigger Re Ltd. for the 2025 calendar year, but at a slightly smaller size than seen in 2024.