Recently funded startups, hand-picked every weekday
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Sep 30
$50M Series B · fortemtech.com
Fortem Technologies — Detects and captures dangerous drones over venues and cities
Fortem Technologies is the leader in airspace awareness, security, and defense for detecting and defeating dangerous drones. Through an advanced, end to end system of distributed radar, AI at the Edge, deep sensor integration, and autonomous drone capture, Fortem monitors and defends the world’s venues, infrastructures, cities, and regions. The same system is accelerating the safety of the world’s airspace for urban air mobility.
ManufacturingCybersecurityAerospaceUnusual MachinesLockheed Martin$50M+ · +3
YC F26 · hundred.systems
Hundred — Automated inspection for consumer electronics parts
100% automated inspection for consumer electronics parts
Hard techHardwareMachine learningYCComputer visionIndustrial · +1 · +4
YC F26 · dydema.com
Dydema — AI models for neurotech
The model company for neurotech.
NeurotechnologyNeuroinformaticsArtificial intelligenceYCB2B · +2
Sep 29
YC F26 · openseo.so
OpenSEO — Open-source alternative to Semrush and Ahrefs
Open source alternative to Semrush and Ahrefs
Open sourceMarketingSEOYCB2B · +2
$140M Series B · quartermaster.us
Quartermaster — Sensor masts that map maritime traffic in real time
Quartermaster is an Arlington, Virginia-based startup that is developing a maritime sensing solution called SmartMast. This technology consists of advanced sensors that provide real-time maritime data, creating a distributed sensing network designed to improve safety and efficiency in maritime operations. The company aims to address the vulnerabilities of existing maritime identification systems while facilitating various applications in marine autonomy and data collection.
Public safetyStifelOvermatch VenturesFirst Round CapitalQuiet CapitalSteel Atlas · +5 · +8
$7M Seed · remotethreat.com
RemoteThreat — Offensive cyber operations platform for red teams
RemoteThreat is an AI-enabled offensive cyber operations platform company founded by security veterans Chris Thompson and Shawn Jones. The company's O/C/O Platform is a fully integrated, end-to-end commercial solution designed for enterprise red teams, U.S. government mission teams, and vetted defense partners. The platform combines eight connected systems including mission planning, command-and-control infrastructure, implants, and AI-assisted operations while maintaining human control over mission decisions. RemoteThreat's team includes operators, researchers, and engineers with experience from IBM X-Force, Mandiant, SpecterOps, Microsoft, and government organizations.
Information technologySoftwareArtificial intelligence$1M+Cybersecurity · +2
Sep 28
YC F26
HABU launches at YC (Fall 2026)
Like Crosby, but for real estate development
Hard techReal estateHousingYCReal estate and construction · +2
$1.3B · gomotive.com
Motive — Safety, operations and finance tools for fleets
Motive empowers those who run physical operations with tools to enhance safety, productivity, and profitability. The platform unifies safety, operations, and finance functions, enabling management of workers, vehicles, equipment, and fleet-related spend in a single system. Serving over 120,000 customers, from small businesses to Fortune 500 enterprises, Motive is transforming industries such as transportation, construction, energy, and retail.
Information technologyGeneral Catalyst$100M+
$10M · presto.com
Presto — Voice AI for restaurant drive-thrus
Presto is the Voice AI market leader for restaurant drive-thrus. Presto’s products increase revenue, decrease labor costs, improve staff productivity, and standardize/enhance the guest experience. Presto is expanding nationwide with several of the most recognized quick-service restaurant (QSR) brands in the United States. Based in Silicon Valley, Presto is backed by Voice AI specialist Remus Capital and delivers a Connected Enterprise AI vision that provides a full suite of Vertical AI solutions for restaurant chains, enabling end-to-end automation.
Information technologySoftwareRemus Capital$10M+ · +1
$750M · modal.com
Modal — Code-first compute platform for AI and ML workloads
Modal is a company that provides a global, code-first compute platform built specifically for AI and machine learning workloads. Its platform supports the full machine learning lifecycle, from training and inference to batch processing and sandboxed environments. Modal’s technology is designed to address the growing demands of AI workloads, including generative AI inference, large language model fine-tuning, computational biotech, media processing, and other resource-intensive applications. With headquarters in New York, Stockholm, and San Francisco, Modal’s customer base includes companies working on a wide range of AI applications, from drug discovery to generative media production.
SoftwareInformation technology servicesAccel$100M+ · +1
Sep 26
$75M Series C · bighatbio.com
BigHat Biosciences — AI platform for designing antibody therapeutics
BigHat’s mission is to improve human health by making it far easier to design advanced, next-generation antibody therapeutics. Our AI-enabled experimental platform integrates a high-speed characterization or “wet” lab with machine learning technologies to speed the antibody engineering process. When applied, these design capabilities have the potential to drive the development of new generations of safer and more effective treatments for patients suffering from today’s most challenging diseases.
Biotechnology$50M+
YC F26 · operatechnologies.com
OpEra — Automated operations research lab
Automated operations research (OR) lab
LogisticsManufacturingSupply chainYCOperationsArtificial intelligence · +1 · +4
Sep 25
$85M Series A · go.ai
Go.AI — On-premises AI infrastructure for regulated industries
Go.AI is a provider of an on-premises, examiner-ready AI infrastructure platform designed for regulated industries. The company enables institutions to deploy AI securely and compliantly within their existing systems. Their offerings include the Go1, an AI hardware and software solution, along with the Go.OS software operating system. Go.AI currently processes over 12.5 million queries daily across various sectors.
SoftwareArtificial intelligenceMachine learning$50M+ · +1
$75M · solcoaindustries.com
Solcoa Industries — Rare earth metals from halide-free chemistry
Solcoa Industries is a rare earth metals producer based in Alameda, CA. Founded in 2025, the company develops halide-free chemistries, engineers processes, and builds and operates its own modular reactors. Solcoa's innovative processes are designed to produce zero harmful emissions including toxic fluoride gases. The company currently produces samarium and neodymium-praseodymium (NdPr) metal and is constructing a new plant in Nevada.
ManufacturingBiotechnology$50M+
$1.5B Series D · fireworks.ai
Fireworks AI — Build, tune and scale AI on open models
Fireworks is the fastest way to build, tune, and scale AI on open models. Ship production-ready AI in seconds on our globally distributed cloud infrastructure, optimized for your use case. Fireworks powers production workloads at companies like Uber, Doordash, Notion, and Cursor—delivering 15× faster speed, 4× lower latency, and 4× more concurrency than closed models.
SoftwareArtificial intelligenceInformation technology services$100M+ · +1
Sep 24
$400M · island.io
Island — Enterprise browser with built-in security and control
What if the enterprise had complete control over the browser? What would it mean for security, for productivity, for work itself? Introducing Island, the Enterprise Browser - the ideal enterprise workplace, where work flows freely while remaining fundamentally secure. With the core needs of the enterprise naturally embedded in the browser itself, Island gives organizations complete control, visibility, and governance over the last mile, while delivering the same smooth Chromium-based browser experience users expect. Led by experienced leaders in enterprise security and browser technology and backed by leading venture funds -- Insight Partners, Sequoia Capital, Cyberstarts and Stripes Capital -- Island is redefining the future of work for some of the largest, most respected enterprises in the world.
Evolution Equity Partners$100M+
$6.7M Seed · dextr.ai
Dextr AI — AI agents for hotels, resorts and spas
Dextr AI is a hospitality-focused AI startup that develops and deploys AI agents for hotels, resorts, and spas. The platform handles voice AI, guest management, back-office operations, staff management, sales, and marketing. The company operates across the US and global hospitality markets, including India.
Artificial intelligenceHospitalityMachine learningFoundation CapitalElevation Capital$1M+ · +3
Sep 23
$580M Series D · tekever.com
Tekever — Unmanned aerial systems for defence surveillance
Tekever is a Portuguese-British maker of AI-powered unmanned aerial systems for defence and security surveillance, battle-tested in Ukraine and selected by the UK Ministry of Defence for the British Army's CORVUS surveillance programme. The first close of its $580M Series D, led by UC Investments and Baillie Gifford, values the company at $6.4B; funds go to global expansion, industrial capacity, R&D and acquisitions.
DefenseDronesArtificial intelligenceUc InvestmentsBaillie GiffordMerlyn Advisors · +2 · +5
YC F26 · pendulumrobotics.com
Pendulum Robotics — Quick-turn, purpose-built motors and actuators
Quick-turn, purpose-built motors & actuators for all
Hard techRoboticsDronesYCManufacturingElectronics · +1 · +4
YC F26 · elimentary.com
Elimentary — Agents that run back-office operations for private capital
Agents that run middle/back-office operations for Private Capital
FinopsEnterpriseFintechYC · +1
$8M Pre-Seed · americansupercritical.com
American Supercritical — Supercritical CO2 tech for power generation
American Supercritical is focused on advancing technology to commercialize supercritical CO2. The company aims to innovate the energy sector by improving efficiency in power generation. Their goal is to make the traditional simple cycle gas turbine obsolete. Through their technology, they seek to provide cleaner and more effective energy solutions.
EnergyOil and gasRenewable energy$1M+ · +1
Sep 22
YC F26 · cyclon.ai
Cyclon — A phone where AI is the interface
a phone where AI is the interface
HardwareConsumerArtificial intelligenceYC · +1
$21M Series A · spott.io
Spott — AI recruiting platform for recruitment agencies
Spott is an AI-native recruiting platform aimed at transforming how recruitment agencies operate. The startup focuses on automating entire workflows to streamline daily operations and reduce reliance on outdated recruitment software. By offering an all-in-one solution, Spott allows recruiters to concentrate on making placements rather than managing fragmented tools. The founders bring valuable insights from their experiences at elite consulting firms to address challenges in the recruitment technology space.
SoftwareFortinoYCBase10 PartnersBalderton Capital$10M+ · +3
Sep 21
YC F26 · bryel.ai
Bryel — AI agent for AI research engineering
Devin for AI Research Engineering
B2BArtificial intelligenceYC