Greylock

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As the largest startup offering cyber insurance and proactive monitoring tools with more than 100,000 policyholders, Coalition insures against incidents like cyberattacks, email scams and accidental privacy violations. It partners with traditional carriers and reinsurers to write insurance, retaining about 10% of the financial risk. In 2025, it continued to expand internationally with its launch in Denmark, France and Sweden. It also acquired Wirespeed, a startup that uses AI to dramatically reduce the time it takes to detect and mitigate a cyber threat. <p>Funding: $800 million from Valor Equity Partners, Allianz X and T. Rowe Price, among others. </p><p>Latest valuation: $5 billion. </p><p>Date of last valuation: July 2022. </p><p>Bona fides: In 2025, it grew active policyholders to 110,000, up from 91,000 the year prior. Not yet profitable but cash-flow positive, says CEO Joshua Motta. </p><p>Cofounders: CEO Joshua Motta, 42, a former CIA analyst and Goldman Sachs investment banker; John Hering, 42, also the founder of Lookout.</p>

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