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This is a weekly feature that runs down the week’s top 10 announced funding rounds in the U.S. Check out last week’s biggest funding deal roundup here.
In insecure times, security looks like an appealing sector for investment. That’s one interpretation of this week’s tally of the largest startup funding rounds.
The size of the largest U.S. deals was smaller than in recent weeks, and heavily featured cybersecurity- and privacy-focused startups. This includes the week’s biggest round — a $375 million Series B for consumer privacy and security platform Cloaked. Other areas that attracted good-sized financings included AI infrastructure, biotech, healthcare, and robotics.
1. Cloaked, $375M, privacy: Cloaked, a provider of consumer privacy and security tools, raised $375 million in Series B funding led by General Catalyst and Liberty City Ventures. Founded in 2020, the Massachusetts-based company sells monthly subscriptions for individuals and families.
2. Frore Systems, $143M, AI infrastructure: Frore Systems, a developer of integrated cooling architecture for AI computing and networking hardware, announced that it closed on $143 million in Series D funding. MVP Ventures led the financing, which set a $1.64 billion valuation for the 8-year-old, San Jose-based company.
3. (tied) XBow, $120M, cybersecurity: Seattle-based XBow, a provider of autonomous security testing technology, picked up $120 million in Series C funding. DFJ Growth and Northzone led the round, which values the 2-year-old company at over $1 billion.
3. (tied) Oasis Security, $120M, cybersecurity: Oasis Security, a developer of identify security tools with a focus on AI agents, secured $120 million in a funding round backed by Craft Ventures, Cyberstarts, Sequoia Capital and Accel. The 4-year-old company, which is headquartered in New York and has a presence in Israel, has raised $195 million to date, per Crunchbase data.
5. (tied) Imperative Care, $100M, medical devices: Imperative Care, a medical device company focused on treatment for stroke and vascular diseases caused by blood clot formation, secured $100 million in convertible note financing. Elevage Medical Technologies and Perceptive Advisors led the investment for the Campbell, California-based company.
5. (tied) Bluesky, $100M, social media: Seattle-based social network Bluesky disclosed this week that it raised a previously unannounced $100 million Series B round that closed last spring, led by Bain Capital Crypto.
5. (tied) Cape, $100M, privacy and security: Cape, a recently launched privacy-focused mobile network, landed $100 million in Series C funding. Bain Capital Ventures and IVP led the financing, which set a $900 million valuation for the Arlington, Virginia-based company.
8. Latent, $80M, healthcare AI: Latent, an AI platform aimed at helping move patients from clinical decision to therapy, picked up $80 million in a Series A round. Spark Capital and Transformation Capital led the financing for the San Francisco-based company.
9. Crossbow Therapeutics, $77M, biotech: Cambridge, Massachusetts-based Crossbow Therapeutics, a biotech startup focused on developing new antibody therapies to treat a broad range of cancers, raised $77 million in Series B funding. Taiho Ventures and Arkin Bio Ventures led the round, which will support a Phase 1 clinical trial of the company’s lead program.
10. RoboForce, $52M, robotics: RoboForce, a startup focused on developing AI-enabled robot labor for industrial environments, said it picked up $52 million in fresh funding, bringing its total raise to $67 million. YZi Labs led the financing for the Milpitas, California-based company.
Methodology
We tracked the largest announced rounds in the Crunchbase database that were raised by U.S.-based companies for the period of March 14-20. Although most announced rounds are represented in the database, there could be a small time lag as some rounds are reported late in the week.
Illustration: Dom Guzman
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