Canopius relinquishes lead on Atrium specialty treaty XoL cover
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Canopius relinquishes lead on Atrium specialty treaty XoL cover

The carrier is understood to have had a significant line size on the slip.

By Rebecca Perkins Rachel Dalton
December 10, 2025
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Canopius has come off Atrium’s marine and energy excess of loss (XoL) treaty, which is among the deals caught up in losses related to Russia aviation war claims, Insurance Insider can reveal.

Canopius

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News Reinsurance Specialty treaty Specialty lines Aerospace Atrium Canopius London market
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