Each week, I track the most consequential startup activity across Europe to help investors, asset managers, and financial professionals cut through the noise and identify the trends shaping the next generation of capital deployment. This week’s deal flow was particularly telling — defence technology, AI infrastructure, and fintech retirement tools dominated, while a landmark Greek life sciences fund reminded markets that venture capital’s European footprint continues to expand into new geographies. Here is what mattered most.
The single largest capital markets signal of the week came from the launch of E2D, a €500 million growth-stage fund co-launched by Earlybird and AVP targeting European defence and dual-use technologies. A vehicle of this scale — at growth stage, not seed — confirms that institutional appetite for defence-adjacent deeptech has matured well beyond opportunistic bets and into structured, long-horizon allocation strategies.
Reinforcing that theme, 201 Ventures, the Paris-based defence fund founded by former CIA officer Eric Slesinger, is planning a second close following a successful $22 million first raise. The fund’s trajectory — and its founder’s intelligence background — reflects how seriously European LPs are taking the geopolitical risk premium now embedded in the continent’s defence innovation cycle.
On the AI side, the week’s standout raise came from OpenRouter, a Dutch AI startup that closed a $113 million Series B backed by Nvidia, Snowflake, and Databricks. The calibre of strategic investors here is as important as the quantum — these are infrastructure players placing concentrated bets on AI routing and model interoperability, and OpenRouter’s Dutch domicile signals continued European competitiveness in foundational AI layers.
In mental health tech, HelloBetter secured €30 million to scale its digital therapy platform, which combines structured online programmes with an AI companion called Ello. For healthcare investors, the significance lies in HelloBetter’s integration into regulated reimbursement pathways in Germany — a model that materially de-risks revenue predictability compared to direct-to-consumer mental health plays.
The fintech retirement space saw two notable transactions this week. Festina Finance in Copenhagen raised over €25 million to modernise pension and life insurance platforms across the Nordics, while Ghent-based Warren closed €10 million in seed funding to rethink retail retirement savings in Europe. Taken together, these deals reflect growing conviction that Europe’s fragmented, legacy-heavy pensions infrastructure is a genuine venture opportunity — not merely a regulatory compliance exercise.
Perhaps the most geographically significant funding event of the week was the close of Kos Biotechnology Partners, a Greek-American life sciences fund that raised €106 million for its debut vehicle — the largest first-time VC fund ever raised in Greece. This is a meaningful data point for emerging market venture ecosystems within the EU, and for LPs watching whether southern European startup infrastructure can attract and retain institutional-grade capital.
Cambridge-based Undo raised €31 million to advance AI-powered software debugging and root cause analysis — a niche but strategically important category as enterprises scale agentic AI systems that require new layers of observability and error correction. This is the kind of infrastructure bet that tends to look prescient in hindsight.
Berlin’s Flagright closed a $12.5 million Series A to expand its AI-powered financial crime compliance platform into the United States. The US expansion strategy, backed by Y Combinator, underscores an emerging pattern of European regtech startups using their home market’s stringent regulatory environment as a proof-of-concept before cross-Atlantic scaling.
Finally, Ukrainian defence tech startup Fire Point drew attention for its advanced drone and cruise missile programmes, with the FP-5 Flamingo gaining operational visibility. For European defence primes and their investor bases, Ukrainian startups are increasingly functioning as rapid-cycle R&D partners — a dynamic that is beginning to influence procurement and co-investment structures across NATO-aligned capitals.
Taken as a whole, this week’s activity reinforces three durable signals for European capital markets: defence and dual-use technology is attracting genuine institutional scale; AI infrastructure — not just AI applications — is where the largest cheques are concentrating; and fintech is finding renewed momentum in long-neglected categories like pensions and compliance. For asset allocators still underweighted in European venture, the pipeline discipline on display this week suggests the vintage risk calculus is shifting.
— Maurizio Savino, Editor in Chief, EU Finance News