Harpoon Ventures

Astranis builds small geostationary broadband satellites (MicroGEO) that are roughly 1/20th the size of traditional GEO spacecraft, drastically reducing manufacturing and launch costs. The company operates the satellites it builds and leases dedicated capacity to telecom and internet service providers, connecting underserved regions worldwide.

MatX designs custom silicon optimized for large language model training and inference, aiming to deliver 10x more computing power per square millimeter than Nvidia GPUs. Founded by former Google TPU engineers, the company is building the MatX One processor featuring a splittable systolic array architecture with SRAM-first design. Manufacturing is planned through TSMC with initial shipments targeted for 2027.

Material Security provides cloud workspace security for Microsoft 365 and Google Workspace, protecting organizations from email attacks, account takeovers, and data breaches. Founded by former Dropbox engineers, the company applies a zero-trust approach that assumes breach and protects sensitive content even after an attacker gains access to an inbox.

Data infrastructure company for physical AI. AI-native platform manages, curates, annotates, and aligns multimodal data for systems powering robots, autonomous vehicles, and drones. Serves 300+ AI teams including Toyota Woven, Skydio, and AXA. Platform grew from 1 to 5+ petabytes of data in 12 months, with physical AI customer revenue growing 10x.