VC Funding Top Ten — September 15, 2026: European AI, Cybersecurity, AI Infra

Overview

Tuesday afternoon, September fifteenth. Today's biggest check goes to Exein, a European cybersecurity firm, locking in a two hundred seventy million dollar Series C at a one-point-seven billion dollar valuation. A huge day for European AI. I'm your host, and with me are our Markets and World analysts. Let's break down

In this show

• Tuesday afternoon, September fifteenth. Today's biggest check goes to Exein, a European cybersecurity firm, locking in a two hundred seventy million dollar Series C at a one-point-seven billion dollar valuation. A huge day for European AI. I'm your host, and with me are our Markets and World analysts. Let's break down the day's deal flow.
• The rundown for today: venture capitalists disclosed seven hundred eighteen-point-seven million dollars across ten rounds. The hottest category was AI, accounting for eight of the top ten deals. The story of the day is Europe's breakout, with Exein and EUCLYD landing massive rounds. On the public market front, SB Energy, backed by SoftBank, is moving ahead with its US IPO, planning to sell up to five hundred million in shares to Japanese investors.
• Let's dive into that number one deal. Exein raised a massive two hundred seventy million dollar Series C, led by Headline. The round values the company at one-point-seven billion dollars, making it Europe's most valuable cybersecurity startup. Exein focuses on a critical, emerging niche: securing AI-powered physical systems like industrial robots and autonomous vehicles. This funding highlights the massive market opportunity in protecting the intersection of AI and the physical world.
• The European AI story continues with number two, EUCLYD. The AI infrastructure company raised a stunning two hundred fifteen million dollar Series A. The round was co-led by a powerful syndicate including Samsung, Somerset Capital, and EQT. EUCLYD is developing ultra-efficient silicon for foundational AI models, tackling the cost and energy crisis in AI scaling. In a major signal of confidence, the former CEO of semiconductor giant ASML, Peter Wennink, has joined as Chairman of the Board.
• At number three, Buildots, an AI and computer vision platform for the construction industry, secured one hundred thirty million dollars in a late-stage round led by O.G. Venture Partners. The company's platform analyzes data from hardhat cameras to track project progress, creating a digital twin of the construction site. This funding is aimed at global expansion, capitalizing on the construction sector's rapid adoption of AI to boost efficiency and reduce costly errors on major projects.
• Coming in at number four is Flam, an AI content startup, which raised a forty million dollar Series B led by QED Investors. Flam's platform enables enterprises to create interactive 3D and video content, moving beyond static marketing materials. As businesses compete for consumer attention, the demand for immersive and engaging digital experiences is exploding. This funding will help Flam expand its AI-powered toolset for a growing list of enterprise clients looking to upgrade their content strategy.
• The intersection of AI and biotech remains a hotbed for investment. At number five, Yudao Bio raised a thirty million dollar Series C co-led by Trustar Capital and Decheng Capital. Yudao is an AI-native company, meaning its entire drug discovery and development process is built on an AI foundation. Investors continue to place big bets on this model, believing that AI can significantly accelerate the path from lab to clinic, ultimately bringing new therapeutics to patients faster.
• Fintech saw a pair of deals today. First, at number six, Synapse Analytics raised thirteen million dollars in a Series A led by Partech. The company provides an AI decisioning platform for financial institutions, helping them automate critical functions like credit scoring and fraud prevention. In a highly regulated industry, Synapse's key value proposition is allowing banks to deploy powerful AI while maintaining full control and auditability of their data and models.
• Also in fintech, at number seven, Finloop secured ten million dollars in a Series A-plus round. The deal was co-led by a major strategic investor, HSBC, alongside People's Capital. Finloop operates an AI-driven wealth technology platform for corporate treasury and liquidity management. With the backing of HSBC, the company is launching a new service to provide digital wealth management solutions directly to large corporate clients, a significant new market for the platform.
• Two seed rounds show AI automating core business functions. At number eight, Helsinki-based Zero raised ten-point-three million dollars to build a go-to-market OS to replace traditional CRMs. Founded by a co-founder of Smartly.io, Zero uses autonomous agents for prospecting and monitoring customer health. And at number nine, Aron raised eight million dollars, led by Storm Ventures, to use AI agents to automate the procurement and RFQ process, saving businesses time and money.
• Rounding out the top ten is Aitiologic, a healthtech company, which raised a seven-point-four million dollar seed round. The company is developing a liquid biopsy platform to identify health risks from a simple blood draw. Its first target is preeclampsia, a dangerous pregnancy complication. On the policy front, all eyes are on the US Senate today for the CLARITY Act vote. This bill could finally establish a regulatory framework for digital assets, and its outcome will have a major impact on the crypto market.
• That's the top ten for Tuesday. Looking ahead, the outcome of the CLARITY Act vote will dominate market chatter tomorrow. We're also tracking rumors of a major new fund closing for a climate-tech focused firm later this week, and whispers of a nine-figure round for a generative video startup are making the rounds. We'll have all the numbers and analysis for you right here. That’s our show. We'll be back tomorrow afternoon at three PM Pacific with the next deal flow.