Top Series B Companies in the US 2026

AI company focused on applying artificial intelligence to physical tasks, launched with $6.2B ini...

Building frontier open intelligence accessible to all with open-weight AI models.

Physical Intelligence is building a foundation model for robotics, bringing general-purpose AI in...

Blockchain infrastructure platform enabling game publishers to integrate compliant on-chain econo...

Castelion exists to build the systems America and its partners need to keep a global technical ed...

Digital Currency Group is Barry Silbert's crypto conglomerate that builds and invests in bitcoin ...

Avenzo is a San Diego, CA-based biopharma company to in-license and develop the next generation o...

Cardurion Pharmaceuticals is a clinical-stage biotechnology company focused on the discovery and ...

Poolside develops large language models specifically designed for software engineering, providing...

leading energy storage startup accelerating grid flexibility

Whole body lab and imaging platform for longitudinal biomarker tracking and early detection

Clinical-stage precision medicine company developing targeted therapies for immune-mediated infla...

Building custom AI networking products and infrastructure solutions for hyperscalers and neo-clou...

Designs high-throughput AI chips for large language models, serving AI labs and enterprises seeki...

Provider of fiber network infrastructure and bandwidth connectivity services globally.

AI-powered telematics platform for insurers, automakers, fleets, and public agencies that measure...

Pebl allows companies to hire, pay, and manage employees in 185+ countries—removing risk, red tap...

Full stack AGI company inspired by neuroscience

Full-stack edge computing platform providing connectivity, compute, and AI solutions for remote a...

Leading edtech company developing engaging digital learning resources for children ages 2–8, best...

Restaurant fintech platform offering diners cashback rewards while providing restaurants with upf...

AMD-powered AI and HPC cloud platform for training and inference workloads at scale.

Biotechnology company developing novel therapeutics.

JetZero is developing the Z4, a blended wing body commercial aircraft designed for zero-emission ...

80 Acres is a vertical farming company that produces a mix of produce through highly automated, h...