White Mountains to sell NSM to Carlyle at $1.8bn valuation Jairo Ibarra May 09, 2022 Twitter LinkedIn Show more sharing options Share Close extra sharing options Twitter LinkedIn Copy Link URLCopied! Print White Mountains has inked a deal to sell its top-five MGA NSM Insurance Group to Carlyle-affiliated investment funds for $1.775bn. To unlock this article Register for a free 14 day trial Already a subscriber? Login now