NEWCaplight raises a $16M Series A, led by BlackRock and Fin Capital →
Caplight Logo









White Mountains Insurance Group

White Mountains Insurance Group

Hamiltonwhitemountains.com

Overview

White Mountains Insurance Group is a Bermuda-based holding company engaged in making opportunistic and value-oriented acquisitions of businesses and assets in the insurance and financial services sectors.

Year Founded

1980

Portfolio Companies

6

Investments

CompanyDateStageLead
BroadStreet PartnersJul 2025Buyout/LBOCo-investor
Distinguished ProgramsJul 2025Buyout/LBOLead
DOXA Insurance HoldingsMar 2023Private EquityLead
Pie InsuranceSep 2022Series DCo-investor
PassportCard Israel GroupMay 2020Corporate FundingLead
View all investments

Key People

Steve Yi

Director

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

Premium
SeedSeries ASeries BGrowth

Unlock portfolio analytics

Sign up to view full sector, stage, and valuation breakdowns for this investor.

Investment Activity

Yearly cadence, pace, and funding raised over time.

Premium
2021
2022
2023
2024
2025
2026

Unlock portfolio analytics

Sign up to explore yearly investment trends and funding raised over time.

FAQ

Firmographic Details

HeadquartersHamilton
Year Founded1980

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.





Caplight Logo




ProductsSecondary Data & TradingCaplight MarketPrice™Company DatabaseInvestor DatabaseSourcingAPI & MCP

Use CasesInvestorsEmployees

ResourcesResearch & BlogAboutCareers

LegalPrivacy PolicyTerms of UseBrokerCheckForm CRS


Disclaimer All investments involve risk, including the risk of loss of principal. You should carefully consider your investment objectives, risks, transaction costs and other expenses before deciding to invest in options, swaps or other investments.This does not constitute an offer by Caplight Technologies, Inc. to sell, or a solicitation of an offer to buy, any securities and may not be used or relied upon in connection with any offer or sale of securities. An offer or solicitation can be made only through the delivery of final offering document(s) and purchase agreement(s), and will be subject to the terms and conditions and risks delivered in such documents. Any securities offered are offered through Caplight Markets LLC, member FINRA/SIPC.