AI Mega-Rounds Stretch From Seed to Series D
Thursday, April 30, 2026 · 5 min

AI fundraising is still defying gravity, with billion-dollar seed money and nine-figure growth rounds flowing into agent infrastructure, medical diagnostics, and finance automation. The market is rewarding anything that looks like core AI infrastructure — even before business models are fully visible.
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AI fundraising is still defying gravity, with billion-dollar seed money and nine-figure growth rounds flowing into agent infrastructure, medical diagnostics, and finance automation. The market is rewarding anything that looks like core AI infrastructure — even before business models are fully visible.
In this episode
- Europe’s Largest-Ever Seed Round Emerges – Founder News — Founder News Team
Europe’s Largest-Ever Seed Round Emerges – Founder News × - Home - Europe’s Largest-Ever Seed Round Emerges On April 28, 2026, according to Reuters, British AI unicorn Ineffable, founded by David Silver, the former chief scientist at Google DeepMind, has completed a seed – round financing of $1.1 billion (approximately RMB 7.514 billion), with a valuation reaching $5.1 billion (approximately…
- Parallel Raises at $2 Billion Valuation to Scale Web Infrastructure for Agents — Parallel Web Systems
# Parallel Raises at $2 Billion Valuation to Scale Web Infrastructure for Agents Published: 2026-04-29T07:00:00-04:00 Author: Parallel Web Systems Type: Press Release ## Summary Parallel Web Systems, the company that provides the infrastructure for AI agents to access and use the open web, has raised a $100 million Series B round at a $2 billion valuation led by Sequoia Capital. This round…
- Nvidia’s NVentures backs $150M round for medical AI startup Aidoc - SiliconANGLE — Maria Deutscher
Nvidia’s NVentures backs $150M round for medical AI startup Aidoc - SiliconANGLE SHARE UPDATED 21:14 EDT / APRIL 29 2026 AI ### Nvidia’s NVentures backs $150M round for medical AI startup Aidoc SHARE Aidoc Medical Ltd., a startup with an artificial intelligence platform that helps doctors diagnose patients faster, has secured $150 million in funding. Goldman Sachs led the Series C round.…
- Rogo Raises $160M Series D to Scale the Agentic Platform for Finance | The AI Journal — Cision PR Newswire
Rogo Raises $160M Series D to Scale the Agentic Platform for Finance | The AI Journal The category leader in AI for 250+ global investment banks and investment firms raises new capital to deepen institutional partnerships, scale its agentic platform, and accelerate global expansion NEW YORK, April 29, 2026 /PRNewswire/ — Rogo, the AI platform purpose-built for finance, today announced it has…
- Exclusive: Supabase Execs Were So Impressed With Dreambase ... — Mary Ann Azevedo
Exclusive: Supabase Execs Were So Impressed With Dreambase, They Became Investors In Its $3.7M Round 2 Shares - Try Crunchbase Pro for free - Email - Facebook - Twitter - LinkedIn Dreambase, an AI-powered analytics platform that aims to help people build data-driven companies without hiring a data team, has raised $3.7 million in funding, it tells Crunchbase News exclusively. Austin-based…