In October 2025, Growthink Capital Research tracked $14.78 billion in venture funding, marking a significant rise from $11.02 billion in September.
The month’s biggest funding event belonged to Crusoe Energy ($1.38 billion), an AI-optimized cloud infrastructure intended to deliver computing for next-generation artificial intelligence workloads, enabling enterprises and AI developers to scale efficiently, reduce operational complexity, and lower the environmental impact of their computational activities.
The hottest sectors for funding during the month were Biotech, A.I./Machine Learning, HealthTech, Cybersecurity, and Business/Productivity Software.
Key funding events in each of these sectors for the month are below:
- Biotech deals included Crystalys Therapeutics ($205 million), Electra Therapeutics ($183 million), Hemab Therapeutics ($150 million), Star Therapeutics ($125 million), Nilo Therapeutics ($101 million), TORL BioTherapeutics ($96 million), Peptilogics ($78 million), Cartography Biosciences ($67 million), Ansa Biotechnologies ($54 million), Valthos ($30 million), BridGene Biosciences ($28 million), Faeth Therapeutics ($25 million), Predicta Biosciences ($23.4 million), AeroRx Therapeutics ($21 million), Vitrivax ($17.2 million), Cirrus Therapeutics ($11 million), Eradivir ($10 million), Rarity ($4.6 million).
- A.I./Machine Learning deals included Crusoe Energy ($1.38 billion), Periodic Labs ($300 million), Uniphore ($260 million), Fireworks AI ($250 million), LangChain ($125 million), Mem0 ($24 million), ChipAgents ($21 million), Darwin ($15 million), Attuned Intelligence ($13 million), Datawizz ($12.5 million), Lyzr ($8 million), Echelon ($4.75 million).
- HealthTech deals included Expedition Therapeutics ($165 million), OneImaging ($38 million), ExaCare AI ($30 million), Counsel Health ($25 million), Oath Surgical ($24 million), Sage Care ($20 million), Arya Health ($18.2 million), Peer AI ($12 million), Fourier Health ($8.4 million), Honey Health ($7.8 million), Hipp Health ($6.2 million).
- Cybersecurity deals included Cybercube ($180 million), Sublime Security ($150 million), SimSpace ($39 million), OneLayer ($28 million), Glide Identity ($20 million), Realm.Security ($15 million), AiPrise ($12.5 million), WideField Security ($11.3 million), Hootl ($6.5 million), Bricklayer ($5 million).
- Business/Productivity Software deals included Green Cabbage ($40 million), FieldFlo ($35 million), Kaizen ($21 million), HiOctave ($15 million), BlastPoint ($10.6 million).
35 companies reported raising over $100 million In October 2025 (including Crusoe Energy), compared to 32 in September, namely:
- Cerebras Systems ($1.1 billion) an AI company that designs processors for AI training and inference. These supercomputers enable customers to train top models and run inference at unmatched speeds, with AI capabilities delivered on-premise and via the cloud, generating most of its revenue from the USA.
- Base Power ($1 billion) an electricity service intended to improve the reliability and affordability of home energy, enhancing stability and providing a standby supply during an outage, enabling homeowners with uninterrupted electricity.
- Oura ($900 million) a wellness wearable ring designed to track and improve sleep quality and performance, enabling users to improve their sleep and overall health and align with their natural circadian rhythm.
- NEP Group ($700 million) a tele-production outsourcing service intended for the live sports and entertainment markets, enabling its clients to make, manage, and show the world their content, anywhere, anytime, on any platform.
- Stoke Space ($510 million) a reusable rocket designed to make space access sustainable and scalable, enabling clients to launch space missions and deliver new satellites to space in a sustainable and cost-efficient manner.
- Avride ($375 million) an autonomous delivery vehicle designed to make the roads safer and more accessible for everyone, enhancing road safety and accessibility for all, with a fundamental belief in the transformative capabilities of technology.
- Redwood Materials ($350 million) a battery-materials platform intended to build a domestic closed-loop supply chain for lithium-ion batteries, enabling manufacturers and utilities to source recycled materials and storage capacity while reducing dependence on new mining and foreign supply chains.
- Harvey ($300 million) a legal technology platform designed to assist law practitioners, enabling law firms to streamline workflows, enhance accuracy, and focus on complex reasoning while minimizing time spent on routine paperwork.
- Deel ($300 million) a global workforce management platform designed for businesses hiring international talent, enabling companies to efficiently manage remote employees, adhere to international labor regulations, streamline payment operations, and ensure seamless workforce expansion across multiple countries.
- Periodic Labs ($300 million) an AI-driven scientific research platform intended to create autonomous AI scientists and laboratories, enabling industries to discover materials, such as high-temperature superconductors, improved chip designs, and other breakthroughs in the physical sciences that can accelerate technological progress.
- Vercel ($300 million) a cloud-based workflow platform designed to optimize the entire development and deployment experience for frontend teams, enabling developers to receive the performance benefits they need efficiently.
- Chainguard ($280 million) a supply chain security software intended to improve software supply chain security, enabling businesses to manage their supply chain security risks.
- Uniphore ($260 million) an artificial intelligence-powered conversational automation platform designed to offer speech analytics, enabling businesses to use natural communication modes and speech to engage and instruct machines and thereby build loyalty and realize efficiencies.
- Fireworks AI ($250 million) a generative artificial intelligence platform designed to build and run AI agents and applications, enabling developers and businesses to scale at a faster rate through rapid product iteration building, as well as minimizing cost to serve.
- Sesame ($250 million) an artificial intelligence-based voice assistant platform intended to design voice companions capable of holding natural conversations and devices that make them more effective, enabling users to get an ever-present friend and conversationalist to keep them informed and organized.
- Histosonics ($250 million) a non-invasive and robotically assisted ultrasound therapy device designed for precise tissue destruction, enabling healthcare providers to treat unresectable tumors with enhanced accuracy, reduced procedural complexity, and minimized patient recovery time.
- Crystalys Therapeutics ($205 million) a biologic designed to treat respiratory and radiation-related conditions, enabling medical teams to improve recovery and expand access to specialized treatment.
- Solmetex ($200 million) a dental water safety and waste compliance system designed to help dental practices maintain regulatory compliance and protect public waterways, providing dental practices with a complete compliance ecosystem that ensures clean, safe water and reduces environmental mercury exposure.
- Electra Therapeutics ($183 million) a biotechnology company intended for the treatment of immunological diseases and cancer, enabling medical professionals to find an approved treatment for secondary hemophagocytic lymphohistiocytosis.
- Cybercube ($180 million) a cyber risk analytics platform designed to fuel cyber risk quantification and empower economies to grow with confidence in the digital age, enabling insurers to make decisions when underwriting cyber risk and managing risk aggregation.
- Upgrade ($165 million) a financial technology platform designed to provide responsible access to credit and banking services, enabling underserved and mainstream consumers to improve financial access and control.
- Expedition Therapeutics ($165 million) a biopharmaceutical development services company intended for translational research and global licensing purposes, enabling pharmaceutical firms and investors to access promising assets from emerging markets, accelerate development timelines, and expand international pipelines efficiently.
- Legora ($150 million) an artificial intelligence assistant designed to adapt ways of working, unlocking team and machine collaboration at scale, enabling lawyers to dedicate more time to strategic decision-making and achieving favorable client outcomes.
- Fruitist ($150 million) The company offers superfruits with flavor, consistent quality, and a fully integrated, tech-enabled global supply chain, enabling health-conscious consumers to enjoy nutritious, on-the-go snacks.
- Sublime Security ($150 million) an email security platform designed to write and run custom detection and response rules to block phishing attacks, enabling clients to control their mailing activities.
- Hemab Therapeutics ($150 million) a prophylactic therapeutic designed for bleeding and thrombosis disorders, enabling patients to form hemostatic plugs or clots to prevent life-threatening complications.
- EvenUp ($150 million) a legal practice management software designed for getting fair trials and outcomes in personal injury cases, enabling plaintiffs to avoid settling early or incurring crippling debts and giving attorneys data for principled settlement negotiations.
- Pagaya ($132 million) a financial technology company working to reshape the lending marketplace by using machine learning, data analytics, and sophisticated AI-driven credit and analysis technology.
- Peregrine Energy ($130 million) a utility-scale energy storage and renewable generation project intended to serve energy markets, delivering clean energy and reliable grid support in areas with strong renewable targets and price volatility.
- Duos ($130 million) a personal assistance platform designed to help older adults age independently, enabling older people to maximize their independence by building long-term, high-trust relationships.
- LangChain ($125 million) a language model framework designed to power applications that integrate with other sources of data and interact with their environment, enabling developers to create generative artificial intelligence such as personal assistants, question-answering, chatbots, and data querying.
- Star Therapeutics ($125 million) an antibody-based therapeutic designed to treat serious and underserved diseases through novel biological pathways, enabling patients with bleeding disorders to benefit from targeted, effective, and patient-centered treatments.
- Nilo Therapeutics ($101 million) a biotechnology company intended to develop therapies for autoimmune and inflammatory diseases, enabling the healthcare industry to access a differentiated approach to immunomodulation with the potential to treat a wide spectrum of autoimmune and inflammatory diseases with large unmet need.
- Supabase ($100 million) an open-source backend platform designed to help developers build and manage applications, enabling developers to create applications with built-in scalability, security, and compatibility with various frameworks and technologies.
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