The Week’s 10 Biggest Funding Rounds: Defense Tech Leads With Multiple Large Deals, Topped By $600M For Space Security Startup True Anomaly

Want to keep track of the largest startup funding deals in 2025 with our curated list of $100 million-plus venture deals to U.S.-based companies? Check out The Crunchbase Megadeals Board. 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. Large U.S. venture deals this week were led by a massive defense tech raise for space security startup True Anomaly. That theme continued with another two aerospace- and defense-related companies also getting major investor backing. We also saw sizable deals for startups applying AI to fintech, marketing, customer service, healthcare and developer tools. Let’s take a closer look. 1. True Anomaly, $600M, aerospace and defense: Centennial, Colorado-based True Anomaly raised a massive $600 million Series D led by Eclipse and Riot Ventures, with participation from a long list of other backers including Accel, 645 Ventures, G Squared, Acme Capital, Menlo Ventures and Paradigm. True Anomaly develops space security and in-orbit defense systems, an area drawing increasing venture investor attention amid rising geopolitical tensions. The new round brings its total funding up to $1.1 billion, per Crunchbase. 2. Rogo, $160M, AI and fintech: New York-based Rogo secured $160 million in Series D funding led by Kleiner Perkins and joined by other investors including Thrive Capital, Sequoia Capital, Khosla Ventures, BoxGroup, J.P. Morgan Growth Equity Partners and Jack Altman. Rogo builds AI-powered tools to automate financial research and workflows. The latest financing brings its total funding raised to date to $314 million, per Crunchbase. The deal is also the latest example of investor enthusiasm for startups targeting high-value knowledge work such as law and accounting. 3. Hightouch, $150M, AI and marketing: San Francisco-based Hightouch raised $150 million in a Series D co-led by Bain Capital Ventures and Goldman Sachs Alternatives. Iconiq Capital, Amplify Partners, Sapphire Ventures, Y Combinator and other investors joined. The company focuses on agentic AI-driven marketing and customer data activation. The round brings Hightouch’s total funding to date to more than $332 million and comes amid rising demand for AI tools embedded directly into enterprise marketing stacks. 4. Avoca, $125M, AI and customer service: New York-based Avoca brought in $125 million in a Series B led by General Catalyst and Meritech Capital Partners, with participation from other investors including Kleiner Perkins, BoxGroup, Alt Capital and Amplify Partners. Avoca develops AI agents for customer communication workflows. The new raise brings its total funding to $125.5 million, per Crunchbase. 5. Netomi, $110M, AI and customer service: San Mateo, California-based Netomi raised $110 million in a Series C led by Accenture Ventures, with participation from Adobe Ventures and others, including individual investors Justin Wexler, Henry Kravis, Greg Brockman, Nikesh Arora and Mustafa Suleyman. The company offers AI-powered customer experience automation across channels. The new funding brings its total raised to date to $217 million, per Crunchbase. 6. (tied) Parallel, $100M, developer tools: Palo Alto, California-based Parallel secured $100 million in a Series B led by Sequoia Capital, with additional backing from other big-name investors Index Ventures, Khosla Ventures and Kleiner Perkins. The startup is building a suite of AI agents and developer tools to automate workflows. It has raised $260 million to date, per Crunchbase. 6. (tied) Scout AI, $100M, aerospace and defense: Sunnyvale, California-based Scout AI raised a sizable $100 million Series A led by Align Ventures and Draper Associates. A long list of other investors joined, including Booz Allen Ventures, Vaughn Capital Partners and FJ Labs. The startup develops AI systems for aerospace and defense applications. Its large early-stage round underscores continued investor appetite for dual-use and defense-focused startups, which globally raised a record $7.7 billion in 2025, per Crunchbase data. 8. Firestorm, $82M, aerospace and defense: San Diego-based Firestorm closed an $82 million Series B led by Washington Harbour Partners. Booz Allen Ventures also participated in this round, as did IQT, Lockheed Martin, New Enterprise Associates, Motley Fool Ventures and others. Firestone builds modular, mission-adaptable drone systems. It has raised nearly $150 million total, per Crunchbase. 9. Iterative Health, $77M, health diagnostics: Cambridge, Massachusetts-based Iterative Health raised $77 million in a Series C led by Google Ventures and Intrepid Growth Partners, with additional backing from Obvious Ventures, Insight Partners and EDBI. The company develops AI-powered diagnostic and clinical workflow tools, particularly in gastroenterology. It has raised more than $268 million since inception, according to Crunchbase. 10. Standard Intelligence, $75M, foundational AI: Investors continue to back next-generation foundation model startups. One of the latest is San Francisco-based AI research startup Standard Intelligence, which raised a $75 million Series A led by Spark Capital and Sequoia Capital. The raise comes at a $425 million pre-money valuation. Other investors in the deal include Stanley Druckenmiller, Milan Kovac and AI researcher Andrej Karpathy. Standard AI is developing “computer-use” models designed to interact directly with software. Its approach — training on large-scale video data rather than manually annotated screenshots — aims to significantly reduce costs and improve performance. We also saw several sizable deals for startups based outside the U.S.: Ineffable Intelligence, $1.1B, foundational AI: London-based frontier lab Ineffable Intelligence raised a $1.1 billion seed round, the largest for a European startup on record. (The previous record was set just a couple of months ago, when Paris-based frontier lab Advanced Machine Intelligence raised a $1.03 billion seed round.) Lightspeed Venture Partners and Sequoia Capital led Ineffable’s seed funding. Volant Aerotech, $300M, aerospace: China-based Volant Aerotech raised a $300 million Series C led by Stone Venture. The company is developing electric vertical takeoff and landing aircraft, or eVTOLs, designed to be used as taxis. Robot Era, $200M, robotics: China-based humanoid robot developer Robot Era raised a $200 million round led by S.F. Express, with participation from a long list of investors including Zhaoxi Capital and Tsinghua Holdings. The company is developing robots designed for industrial and service work, and follows a string of other large fundings for China-based robotics startups. We tracked the largest announced rounds in the Crunchbase database that were raised by U.S.-based companies for the period of April 25-May 1. 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