Andreessen Horowitz (a16z) is a Menlo Park venture capital firm investing across software, fintech, crypto, biotech, and AI.
Probook raised $40 million across a Series A and seed round, backed by Andreessen Horowitz and Sequoia, to build an AI operating system that runs scheduling, dispatch and customer calls for plumbing, electrical and HVAC businesses.
Jul 10, 2026General Catalyst, Y Combinator and Andreessen Horowitz were Q2 2026's most active US investors, with over two-thirds of their deals going into AI startups, according to Crunchbase data.
Jul 8, 2026Mirendil, a new and largely stealth frontier AI lab focused on building systems for AI research and development itself, raised a $200 million seed round co-led by Andreessen Horowitz and Kleiner Perkins, with Nvidia among its backers. A nine-figure seed for a pre-product lab is one of the year's clearest signals that capital is racing to fund the next generation of foundation-model challengers.
Jun 26, 2026Mirendil, a stealthy startup building foundational AI systems for scientific and industrial research and development, launched with a staggering $200 million seed round co-led by Andreessen Horowitz and Kleiner Perkins, with Nvidia among its backers. The size of a seed once reserved for Series B underscores how aggressively top investors are pre-funding teams chasing AI that can accelerate discovery in chemistry, materials and the physical sciences.
Jun 25, 2026Mirendil, a San Francisco frontier lab building systems designed to excel at AI research and development itself, raised a $200 million seed round led by Andreessen Horowitz and Kleiner Perkins. The gargantuan seed reflects investor conviction that automating AI research -- models that help build better models -- could be the highest-leverage frontier in the field.
Jun 24, 2026