White Mountains M&A Summary
White Mountains has acquired 29 companies, including 8 in the last 5 years. A total of 7 acquisitions came from private equity firms. It has also divested 8 assets.
White Mountains’ largest acquisition to date was in 2025, when it acquired Bamboo Ide8 Insurance Services for $1.8B. It’s largest disclosed sale occurred in 2015, when it sold Sirius International Insurance Group to for $2.2B. White Mountains has acquired in 13 different US states, and 3 countries. The Company’s most targeted sectors include insurance (85%) and financial services (4%).
M&A Summary
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M&A Total Activity33
- M&A Buy Activity25
- M&A Sell Activity8
- Total Sectors Invested 5
- Total Countries Invested 3
- M&A Buy/Sell Connections 23
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