Startup investors kept up the busy dealmaking pace this week with a number of big rounds. Top among them was a $1.75 billion Series D for Saronic, developer of autonomous vessels. Other big funding recipients hailed from sectors including fitness wearables, energy tech, cybersecurity and AI infrastructure, among others. 1. Saronic, $1.75B, autonomous ships: Austin-based Saronic, a defense tech startup focused on autonomous sea vessels, raised $1.75 billion in Series D funding, bringing total funding to around $2.6 billion. Kleiner Perkins led the round, which set a $9.25 billion valuation for the company, more than double its Series C level in 2025. 2. Whoop, $575M, fitness wearables: Whoop, a provider of wearable fitness technology and a subscription platform that tracks physiological data, secured $575 million in Series G funding. Collaborative Fund led the financing,which set a $10.1 billion valuation for the Boston-based company. 3. Valar Atomics, $450M, nuclear energy: El...
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