Startup Funding: AI for Biology, Plumber Dispatch, and Subterranean Warfare Tech

A monthly review of startup funding reveals five notable deals that may have flown under the radar for many.

Radical Numerics Secures $50M for Biological AI San Francisco-based Radical Numerics has raised $50 million in seed funding, led by Emergence Capital, with participation from Obvious Ventures, Triatomic Capital, Factory, and First Spark Ventures. The company is developing "general biological intelligence"—multimodal AI models designed to reason across DNA, RNA, and proteins to accelerate drug discovery, cancer diagnostics, and biosecurity. CEO Eric Nguyen emphasized the dual nature of these models, which could both cure diseases and lower the barrier to designing harmful biology.

Probook Raises $40M for AI-Powered Home Services Dispatch New York-based Probook has secured $40 million in funding, including a $34 million Series A led by Andreessen Horowitz and a $6 million seed round led by Sequoia Capital. Probook is building an AI operating system for home service businesses like plumbers and HVAC companies, aiming to integrate customer intake, scheduling, and communication into a single platform. This aims to improve technician efficiency and reduce downtime. CEO George Eliadis stated he founded the company to solve problems he encountered in his previous business.

Traysar Closes $25M Seed Round for Underground Warfare Technology Austin-based Traysar has raised $25 million in seed funding, led by Silent Ventures. Describing itself as the world's first "subterra" defense technology company, Traysar is developing autonomous platforms capable of tunneling, mapping subterranean networks, and breaching hardened infrastructure. The goal is to address the growing need for solutions in underground warfare and infrastructure protection, relevant in contexts such as Iran, Gaza, and Ukraine. The founding team includes former engineers from SpaceX and The Boring Co.