Morning VC Brief丨2025.02.01

Week05 Highlights丨ElevenLabs, Helion, Rad AI, Motif, Observo, Unwrap, Nucleus, Onebrief, Final Round AI, HockeyStack, Atomicwork

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00. TL;DR

1/ Voice AI Startup ElevenLabs raises $180M Series C at $3.3b

2/ Nuclear Fusion Startup Helion raises $425M Series F at $5.2b

3/ AI Tools For Radiologists Rad AI raises $60M Series C at $525M

4/ AI Building Design Platform Motif raises $46M Series A at $525M

5/ AI Data Pipeline Startup Observo raises $15M Seed

6/ Customer Intelligence Platform Unwrap raises $12M Series A

7/ DTC Genome Testing Startup Nucleus raises $14M Series A

8/ Military Planning Platform Onebrief raises $50M Series C

9/ Interview Copilot Final Round AI raises $6.88M Seed

10/ Revenue Acceleration Platform HockeyStack raises $20M Series A

11/ Agentic AI for Enterprise IT Atomicwork raises $25M Series A

01. Venture News

1/ Voice AI Startup ElevenLabs raises $180M Series C at $3.3b

ElevenLabs develops AI audio models for speech and sound generation. In just two years, ElevenLabs will drive the next stage of AI audio, supporting research into more expressive and controllable voice AI, expanding tools for developers and businesses scaling globally, and strengthening AI safety. This round was led by a16z and Iconiq Growth with participation from NEA, World Innovation Lab, Sequoia Capital, NFDG, and more. Link

2/ Nuclear Fusion Startup Helion raises $425M Series F at $5.2b

Helion develops fusion power technology for clean electricity generation. They will be radically scaling up our manufacturing in the U.S. This round was back by Lightspeed Venture Partners, SoftBank, Sam Altman and more. Link

3/ AI Tools For Radiologists Rad AI raises $60M Series C at $525M

Rad AI is the leader in generative AI solutions for radiology, transforming the way radiologists work and improving patient care. Radiology is the largest specialty in healthcare, accounting for nearly 10 percent of all healthcare spend in the US and more than 80 percent of all healthcare data by size. This round was led by Transformation Capital with participation from Khosla Ventures, World Innovation Lab, and more. Link

4/ AI Building Design Platform Motif raises $46M Series A at $525M

Motif is mission to revolutionize building design by merging geometry, cloud services, and machine learning to enable a dynamic, collaborative, and intelligent process. Motif is founded by former Product CTO at Autodesk. This round was led by CapitalG with participation from Redpoint, and more. Link

5/ AI Data Pipeline Startup Observo raises $15M Seed

Observo AI optimizes data pipelines to help enterprises process the explosion of AI-generated data more efficiently, securely, and cost-effectively. This round was led by Felicis and Lightspeed Venture Partners. Link

6/ Customer Intelligence Platform Unwrap raises $12M Series A

Unwrap develops an AI-powered platform to help companies analyze user feedback. This round was led by Scale Venture Partners with participation from Atlassian Ventures, Cercano, and more. Link

7/ DTC Genome Testing Startup Nucleus raises $14M Series A

Nucleus is on a mission to bring the power of whole-genome sequencing to the world. Nucleus acquired Cambrean, an AI-based health platform pioneering algorithms to transform data from wearables like Oura rings and Apple Watches into actionable recommendations. This round was led by 776 and Founders Fund with participation from Neo, One Eight Capital, and more. Link

8/ Military Planning Platform Onebrief raises $50M Series C

Onebrief provides a transformative platform for operational planning and military staff workflows. This round was led by General Catalyst and Insight Partners with participation from Caffeinated Capital, 9Yards Capital, and more. Link

9/ Interview Copilot Final Round AI raises $6.88M Seed

Final Round AI is an AI-powered platform designed to help job seekers navigate the hiring process. Its flagship product, the Interview Copilot™, leverages AI to assist candidates by providing real-time, AI-generated answers and insights during job interviews. This round was led by Uncork Capital with participation from AltaIR Capital, Alumni Ventures, Goodwater, and more. Link

10/ Revenue Acceleration Platform HockeyStack raises $20M Series A

HockeyStack integrates with a company’s CRM, marketing automation tools, ad platforms and data warehouse to reveal the ideal customer journey and provide actionable next steps for marketing and sales teams. HockeyStack is one of the fastest-growing YC startups from recent batches, growing revenue 4.5x last year. This round was led by Bessemer Venture Partners with participation from Uncorrelated Ventures, Y Combinator, and more. Link

11/ Agentic AI for Enterprise IT Atomicwork raises $25M Series A

Atomicwork was founded on a simple belief that enterprise IT productivity needed an overhaul to help companies operate better and move faster. This round was led by Khosla Ventures and Z47 with participation from Blume Ventures, Battery Ventures, and more. Link