White Mountains Insurance Group, Ltd. (NYSE:WTM) has a market capitalization of $ 3.71 billion. Longleaf Partners Small-Cap Fund made the following comment about White Mountains Insurance Group, Ltd. (NYSE:WTM) in its Q4 2022 investor letter: " White Mountains Insurance Group, Ltd. (NYSE:WTM) – Insurance conglomerate White Mountains was the top contributor for the year. We have great partners who have gone on offense this year with an intelligent asset sale of NSM Insurance Group to private equity and using their resulting strong net cash position to buy back discounted shares. We believe there is significant additional upside from here" White Mountains Insurance Group, Ltd. (NYSE:WTM) is not on our list of 30 Most Popular Stocks Among Hedge Funds. As per our database, 17 hedge fund portfolios held White Mountains Insurance Group, Ltd. (NYSE:WTM) at the end of the third quarter, which was 20 in the previous quarter.