The second major round of venture funding, focused on scaling the business to a larger market.
Series B funding is the second major round of institutional venture capital, typically raised when a company has proven its business model and needs capital to scale operations, expand into new markets, and accelerate growth.
Series B rounds typically range from $15 million to $50 million, with valuations between $50 million and $200 million. At this stage, companies are expected to have significant revenue, a proven go-to-market engine, and clear competitive advantages.
Full Series B guide · the Series B rounds we track are listed below.
$31.1B raised across 195 disclosed Series B deals.
Latest round · Sep 23, 2026 · RSS
| Date | Company | Amount | Round | Sector | Country | Lead investors |
|---|---|---|---|---|---|---|
| Oct 30, 26 | GlassCore GlassCore is a Chinese microelectronics startup that develops, designs, produces, and sells glass-substrate chip products and TGV three-dimensional packaging products. The company aims to industrialize its glass-substrate production base and enhance its manufacturing capabilities with the recent funding. | $25.5M | Series B | DeepTech | China | Undisclosed |
| Oct 30, 26 | Pronto Pronto is a home-services platform that connects urban households with trained, background-verified professionals for everyday tasks such as cleaning and laundry. Founded in 2024, it operates on a shift-based model and aims to transform the way households find and manage domestic help. | $25.0M | Series B | ConsumerTech | India | Epiq Capital, Glade Brook Capital, General Catalyst+1 |
| Oct 30, 26 | Simplismart | $14.0M | Series B | Other | Undisclosed | NVIDIA |
| Oct 28, 26 | NeuroXess NeuroXess is a Chinese startup developing implantable brain-computer interface systems. Their technology combines flexible electrodes with wireless power and data transmission for movement and speech decoding, as well as external device control. This Series B funding will support clinical trials, regulatory submissions, manufacturing expansion, and next-generation product development. | $96.6M | Series B | Health | China | SDIC Juli, Shenzhen Capital Group, Qinzhi Capital |
| Oct 27, 26 | Stryv Stryv is a Singapore-based startup focused on expanding its operations in Malaysia. The company has successfully raised US$11.5 million in a Series B funding round to strengthen its market presence. | $11.5M | Series B | Other | Singapore | Undisclosed |
| Oct 22, 26 | Hive Hive is an event-marketing firm that helps over 1,600 venue, promoter, and festival clients sell tickets using its platform. The company has raised $27 million in a Series B funding round to enhance its AI-powered tools for event teams, aiming to streamline campaign preparation and improve ticket sales. | $27.0M | Series B | Other | United States | Frontier Growth |
| Oct 21, 26 | Dat Bike Dat Bike is a Vietnamese electric motorcycle company focused on expanding production and upgrading facilities. The company recently secured $26 million in Series B funding, co-led by Japan's FCC Co., Ltd. and Rebright Partners, with participation from existing and new investors. This funding aims to support their growth and operational capacity. | $26.0M | Series B | ClimateTech | Vietnam | FCC Co., Ltd., Rebright Partners, Jungle Ventures+3 |
| Oct 20, 26 | Rabot Energy Rabot Energy is a clean energy technology company that provides dynamic electricity tariffs and AI-powered energy management solutions. It aims to help households optimize electricity consumption and reduce energy costs by connecting household energy storage systems to create virtual power plants. The company's technology can reduce electricity costs for an average household by 15%. | $56.0M | Series B | ClimateTech | Germany | Endeit, DeepTech & Climate Fund, HV Capital+5 |
| Oct 19, 26 | Harmonic Security Harmonic Security has raised $50 million in Series B funding to enable safe AI adoption for millions more employees. The company focuses on providing cybersecurity solutions for AI environments. | $50.0M | Series B | Cybersecurity | Undisclosed | Undisclosed |
| Oct 18, 26 | Meow Meow is a US-based financial technology company that provides a banking platform for startups. The platform supports billions of dollars in assets and payment volume, and aims to help traditional banks compete with fintech companies by offering them access to tested technology. This Series B funding will help scale their platform and establish a strategic partnership with Stifel. | $31.6M | Series B | Fintech | United States | Stifel, Archetype |
| Oct 17, 26 | Soufflé Therapeutics Soufflé Therapeutics is developing cell-specific RNA delivery platforms to treat genetic diseases. Their REMEDY platform aims to deliver oligonucleotide therapies to specific cells outside the liver, addressing a key bottleneck in genetic medicine. This Series B funding will advance their lead programs targeting facioscapulohumeral muscular dystrophy (FSHD) and heart failure into clinical studies. | $135.0M | Series B | Health | United States | Juvia Group, TCG Crossover Management, BB Biotech+5 |
| Oct 17, 26 | Sirona Medical Sirona Medical is a software company that provides a cloud-native radiology operating system (RadOS) designed to unify existing radiology IT software applications. Their platform aims to transform radiology IT by simplifying workflows and enhancing physician experience, particularly in leveraging AI. This funding will accelerate product development, customer onboarding, and sales initiatives. | $40.0M | Series B | AI | United States | GreatPoint Ventures, Rose Park Advisors, Avidity Partners+2 |
| Oct 09, 26 | Sava Sava is developing a sensor technology aimed at replacing fingerstick glucose testing. The company has secured $36 million in Series B funding, led by Ascensia, to support the commercialization and distribution of its products in Europe. Their goal is to obtain CE approval for insulin dosing without fingerstick checks within 18-24 months. | $36.0M | Series B | Health | United Kingdom | Ascensia, PHC Holdings |
| Oct 09, 26 | East Africa Foods East Africa Foods, a Dar es Salaam-based company, buys from over 28,000 small farmers and supplies city retailers. The company raised $40 million, including a $26 million Series B led by PIDG's InfraCo, to expand processing, storage, and transport capacity, and to move into Kenya. | $40.0M | Series B | Marketplace | Tanzania | PIDG's InfraCo |
| Oct 09, 26 | Sava Technologies Sava Technologies is a London-based HealthTech company developing a wearable biosensor platform that detects molecules beneath the skin. They have raised €32.08 million in a Series B round to fund manufacturing scale-up and commercial readiness. The company has also partnered with Ascensia for commercialization and distribution in Europe. | $36.0M | Series B | Health | United Kingdom | Ascensia, Balderton Capital, Norrsken VC+3 |
| Oct 08, 26 | Namespace Namespace has raised €37 million in Series B funding to fuel its expansion into the US market and further develop its developer infrastructure. The company focuses on providing tools and services for developers, aiming to streamline their workflows and enhance productivity. | $40.0M | Series B | SaaS | Undisclosed | Undisclosed |
| Oct 07, 26 | Type One Energy Type One Energy is developing commercial fusion power plants using its FusionDirect™ technology. The company aims to industrialize fusion energy through a capital-efficient, partner-based OEM business model, leveraging established industry leaders. This $200 million Series B financing will support its Project Infinity, including the Infinity One engineering prototype and the Infinity Two commercial plant. | $200.0M | Series B | ClimateTech | United States | Breakthrough Energy Ventures, Clutterbuck Capital, Lowercarbon Capital+2 |
| Oct 07, 26 | Polaris Electro-Optics Polaris Electro-Optics, a CU Boulder spinout, has raised $50 million in Series B funding to commercialize its FenGlass technology for AI data center infrastructure. Their proprietary material enhances electro-optic modulators, enabling faster data transmission with lower power consumption. The company plans to use the funds to expand its product portfolio, scale production, and hire engineers, targeting its first product launch in 2027. | $50.0M | Series B | DeepTech | United States | Walden Catalyst Ventures, Socratic Partners, Cambium Capital+5 |
| Oct 07, 26 | Stuut Stuut is an AI company focused on expanding AI agents across the order-to-cash process. This Series B funding will support their expansion efforts. | $52.5M | Series B | AI | Undisclosed | Undisclosed |
| Oct 06, 26 | Beyond Appliances Beyond Appliances is a smart kitchen appliance company that has raised ₹110 crore in Series B funding. The company plans to use the capital for R&D, a new manufacturing plant, and expansion into new kitchen product categories and offline retail presence. They aim to become a broader smart kitchen appliances company targeting ₹500 crore in ARR within three years. | $13.2M | Series B | ConsumerTech | India | Fireside Ventures, Dharana Capital |
| Oct 05, 26 | Arlington maritime startup | $140.0M | Series B | Other | Undisclosed | Undisclosed |
| Oct 05, 26 | Pro Shop Pro Shop is a media startup focused on the golf industry. They have raised $24 million in a Series B funding round. The round was led by Arthur Blank's office. | $24.0M | Series B | ConsumerTech | Undisclosed | Arthur Blank's office |
| Oct 03, 26 | Reco AI Security Reco AI Security provides a platform for governing AI agents across SaaS environments. The company is shifting from mapping SaaS applications to securing autonomous software that acts through them. This funding round aims to expand their agent security platform and capture a growing market. | $140.0M | Series B | Cybersecurity | United States | AT&T Ventures, Forestay Capital, Quadrille Capital |
| Oct 02, 26 | GMI Cloud GMI Cloud is an AI-native cloud provider offering high-performance GPU infrastructure and inference services. They aim to accelerate global AI infrastructure expansion, serving both U.S. AI companies and enterprises in the Asia-Pacific region. This funding will expand their GPU capacity across the U.S., Taiwan, and Southeast Asia. | $668.0M | Series B | AI | United States | ARCHIV, NVIDIA, CTBC+5 |
| Oct 02, 26 | Instinct Instinct is a personal AI assistant that understands user workflows and priorities, capable of interacting with phones and computers like a human. The startup has experienced rapid growth, reaching a $10 billion valuation in less than a year and approaching $1 billion in annual transaction volume, with travel being a significant component. | $1.0B | Series B | AI | United States | Sequoia Capital, Benchmark Capital, Coatue |
| Oct 01, 26 | Efficient Computer | $97.0M | Series B | AI | Undisclosed | Undisclosed |
| Oct 01, 26 | Seeds Fincap Seeds Fincap is an NBFC that provides loans to underserved individuals and MSMEs, offering credit ranging from Rs 50,000 to Rs 10 lakh using a cash-flow-based approach. The company aims to expand into new markets and strengthen its branch network, technology, and risk management capabilities with its recent Series B funding. | $10.4M | Series B | Fintech | India | Michael & Susan Dell Foundation, Z47, Lok Capital+2 |
| Sep 23, 26 | Mojave Energy Systems Mojave Energy Systems is an HVAC startup that has developed the ArctiDry platform, which uses patented liquid desiccant technology to control humidity and temperature independently. Their systems offer significant energy savings and faster payback periods compared to traditional HVAC systems, targeting commercial buildings in sectors like grocery, industrial, healthcare, hospitality, and education. This funding will accelerate their sales growth, manufacturing expansion, and product development. | $19.0M | Series B | ClimateTech | United States | Fairtree Elevant Ventures, River Bay Investments, At One Ventures+5 |
| Sep 21, 26 | HEO HEO develops and deploys cameras in space to inspect and monitor satellites for allied nations, with applications in both commercial and defense sectors. The company has secured a significant Series B funding round and a major contract to expand its surveillance network, particularly into Geostationary Earth Orbit (GEO). | $37.0M | Series B | DeepTech | Australia | Beaten Zone Venture Partners, National Reconstruction Fund (NRF), Airtree+5 |
| Sep 19, 26 | Ryft Ryft is a Manchester-based payments company that builds payment solutions for marketplaces, platforms, and multi-location businesses. They help manage seller onboarding and complex transaction flows through a single integration. This Series B funding will support their expansion into Europe and the US, accelerate product development, and move upmarket. | $25.0M | Series B | Fintech | United Kingdom | Gresham House Ventures, Pembroke VCT, Ingenii Capital+1 |
| Sep 18, 26 | Mazama Energy Mazama Energy is a geothermal startup developing technology to generate clean electricity from superhot rocks. The company aims to provide continuous, carbon-free power for data centers and other energy-intensive operations. This Series B funding will enable the development of horizontal wells capable of generating significant electricity per well. | $135.0M | Series B | ClimateTech | United States | Centaurus Capital, Doerr Capital, ConocoPhillips+5 |
| Sep 18, 26 | Luzern Risk Luzern Risk has raised $45 million in a Series B funding round to scale its AI-native captive insurance platform. The company aims to make captive insurance simpler and faster to deploy for mid-market companies facing rising traditional insurance premiums. Their platform handles the entire lifecycle of a captive, from evaluation and formation to ongoing management. | $45.0M | Series B | AI | United States | Insight Partners, Trust Ventures, Caffeinated Capital |
| Sep 18, 26 | Adaptive Adaptive is developing agentic accounting software for the construction industry. This funding round aims to advance their technology and expand their reach within the sector. The company focuses on automating financial processes for construction businesses. | $30.0M | Series B | Fintech | Undisclosed | Tidemark |
| Sep 18, 26 | MIND Security MIND Security is an Israeli cybersecurity startup specializing in data loss prevention (DLP) software. Their AI-based platform identifies sensitive corporate data and prevents leaks across applications, endpoints, and AI agents, addressing the challenges posed by generative AI. The company has raised $72 million in Series B funding, bringing its total to over $112 million, to expand its AI capabilities and product development teams. | $72.0M | Series B | Cybersecurity | Israel | Crosspoint Capital Partners, YL Ventures, Paladin Capital Group |
| Sep 16, 26 | Arcee Arcee is a US enterprise AI startup that builds open-weight models, allowing companies to run advanced AI without sharing data with providers like OpenAI. They have raised $150 million in a Series B round at a $1 billion pre-money valuation to develop new models and products, aiming to compete with China in the open-weight AI space. | $150.0M | Series B | AI | United States | Vista Equity Partners, Cambium Capital, Emergence Capital+5 |
| Sep 09, 26 | Split Pay Split Pay is a fintech startup that helps users manage their paychecks and bills by fronting up to 50% of a bill for up to 30 days, bridging the gap between monthly bills and bi-weekly paychecks. They have raised $125 million across Series A and B rounds, with Khosla Ventures leading both, to further develop their AI-driven underwriting and expand their services. | $125.0M | Series B | Fintech | United States | Khosla Ventures, Thrive Capital, Max Levchin |
| Sep 07, 26 | Immediate Immediate has raised $13 million in Series B funding led by BankTech Ventures to expand from an employer-focused earned wage access platform into a broader financial infrastructure company. The capital will accelerate product development, expand strategic partnerships, and grow its private-label Embedded EWA platform for financial institutions. Immediate aims to connect employers, employees, and financial institutions around liquidity and financial wellness. | $13.0M | Series B | Fintech | United States | BankTech Ventures, Castle Creek Launchpad, BankSouth+1 |
| Sep 05, 26 | XDOF | $1.2B | Series B | Undisclosed | Undisclosed | Undisclosed |
| Sep 05, 26 | Gimlet Labs Gimlet Labs provides AI inference infrastructure by building software and infrastructure that allows multiple types of processors to work together. Their platform supports hardware from six semiconductor manufacturers, breaking down AI workloads into stages that can be routed to the most suitable processor for cost and speed optimization. The company is also expanding into data center infrastructure to support its multi-silicon approach. | $300.0M | Series B | AI | United States | Andreessen Horowitz, Arm Holdings, Microsoft’s venture capital arm M12+1 |
| Sep 04, 26 | iPronics iPronics is a Valencia-based company specializing in silicon photonics-based optical circuit switching for AI infrastructure. The company aims to accelerate the commercialization of optical networking solutions, enabling data centers to fully utilize their GPUs without compromising performance. | $125.0M | Series B | DeepTech | Spain | Maverick Silicon, Light Street Capital, NVIDIA+5 |
| Sep 03, 26 | Superluminal Medicines Superluminal Medicines is a biotechnology company using AI and machine learning for drug discovery. They focus on rare genetic forms of obesity and hypothalamic obesity. This Series B funding will advance their lead program for rare genetic forms of obesity toward a first clinical trial. | $60.0M | Series B | Health | United States | BVF Partners, L.P., Deep Track Capital, Perceptive Advisors+5 |
| Sep 03, 26 | Comet Comet is a company that has recently secured funding to enhance its operations. It focuses on providing innovative solutions in the consumer technology space. This Series B funding round will help Comet expand its market reach and improve its offerings. | $11.8M | Series B | ConsumerTech | India | Verlinvest |
| Sep 02, 26 | HiddenLayer HiddenLayer is an AI security startup that provides tools to protect AI models, agents, and workflows from adversarial attacks, vulnerabilities, and malicious code injections. The company primarily serves financial services and large tech companies, and has contracts with the Department of Defense and intelligence community. This funding round will help expand their sales and distribution efforts as they grow their product offerings. | $100.0M | Series B | AI | United States | Delta-v Capital, Ten Eleven Ventures, Morgan Stanley+2 |
| Sep 01, 26 | Felix Pago Felix Pago is a fintech company that specializes in payment solutions. It aims to streamline transactions for businesses, making it easier for them to manage payments efficiently. The recent $200 million Series B funding will help accelerate its growth and expand its offerings. | $200.0M | Series B | Fintech | Undisclosed | Undisclosed |
| Sep 01, 26 | Smack Technologies Smack Technologies is a defense startup focused on integrating artificial intelligence into wearable devices for military applications. Their flagship product, Alpha, is a wrist-worn device designed to provide real-time data to operators in the field, enhancing decision-making capabilities. The recent $61 million funding will support the development of this innovative technology. | $61.0M | Series B | DeepTech | United States | Undisclosed |
| Sep 01, 26 | VAST VAST has raised $446 million across its Series B and B+ funding rounds to address the high upfront costs of building complex AI 3D models. The company aims to revolutionize the generative AI 3D industry by providing the necessary infrastructure and computational power, which is currently a significant bottleneck for developers and creators. | $446.0M | Series B | AI | Undisclosed | Vision Partners China, Perfect World, BlueFocus+4 |
| Aug 30, 26 | Quaise Energy Quaise Energy is an American startup focused on developing superhot geothermal energy technology. The company aims to drill deep into the earth to create wells that can reach temperatures between 300 °C and 500 °C, significantly increasing the energy output compared to traditional geothermal methods. This funding round will support their Obsidian Project in Oregon, which seeks to establish the world's first commercial superhot geothermal plant. | $180.0M | Series B | ClimateTech | United States | Prelude Ventures, JERA, Idemitsu Kosan+1 |
| Aug 29, 26 | Even Healthcare Even Healthcare is a healthtech startup focused on expanding its managed-care hospital network and enhancing integrated healthcare delivery. The company aims to leverage digital technologies, including AI-powered tools, to improve healthcare services and telemedicine capabilities. | $22.0M | Series B | Health | India | Khosla Ventures, DLB Ventures, Simon Fiduciaria+2 |
| Aug 29, 26 | Instinct Instinct is an AI personal assistant startup that has developed a system capable of connecting with users' applications and devices to perform everyday tasks. The company targets consumers looking for a more efficient way to manage their daily activities through AI technology. This funding round highlights the growing investor interest in AI agents that can autonomously complete tasks rather than just serve as conversational chatbots. | $250.0M | Series B | AI | United States | Benchmark, Index Ventures |
| Aug 28, 26 | Yardstik Yardstik offers a Human Trust Platform that integrates background screening, identity verification, fraud detection, and continuous post-hire monitoring. The company targets businesses looking to enhance workforce protection beyond initial hiring checks. This funding round will support the development of additional monitoring services and automated alerts. | $30.0M | Series B | SaaS | United States | Harbert Growth Partners, Rally Ventures, MissionOG+3 |
Verified emails and LinkedIn profiles, filterable by stage, sector and check size.
Filtered to your country and sector. One email per week.