Y Combinator β 2025 Investments
651 investments dated 2025 Β· page 4 of 4 Β· listed companies and verified rows first Β· show all
Throxy provides outbound sales services as an alternative to managing multiple sales tools, hiring SDRs, or running outbound campaigns in-house.
AI & Machine LearningEnterprise SoftwareSaaSSales TechLondon, GB
Bergen Merey(Founder)inArnau Ayerbe Garcia(Founder)inPablo Jimenez de Parga Ramos(Founder)inArnau Ayerbe(Founder)in
Co-investorsCircle & Co.SAV (Scale Asia Ventures)GoHub Ventures
Ticket Wallet is a platform that uses AI to automate ticket resale, offering dynamic pricing, multi-marketplace distribution, and automated transfers for individual and professional ticket sellers.
AI & Machine LearningEnterprise SoftwareMarketplacesSaaSNew York City, US
Truman Gelnovatch(Founder)inRyan Clare(Founder)in
Co-investorsCircle & Co.
Tinfoil develops secure hardware and systems, with expertise in privacy and security protocols.
AI & Machine LearningCloud ComputingCybersecurityDeep TechDeveloper ToolsEnterprise SoftwareHardwareSan Francisco, US
Tanya Verma(Founder)inJules Drean(Founder)inSacha Servan-Schreiber(Founder)inDanielle Chun(Head of Operations)in
Co-investorsRain Capital
Tire Swing provides AI-powered income verification and applicant eligibility screening for affordable housing programs, helping property managers streamline tenant certification processes.
AI & Machine LearningEnterprise SoftwareGovTechHealthtechLegalTechNew York City, US
Paul Witten(Founder)inLucas Irvine(Founder)in
Toothy AI develops AI agents for dental practices that automate insurance-related tasks including policy verification, billing, and claims processing.
AI & Machine LearningHealthtechSan Francisco, US
Johnny Chen(Founder)inMatt Kerrigan(Founder)inTejas Konduru(Founder)in
Co-investors468 CapitalZeno Ventures
Topological develops physics-based foundation models for CAD optimization to help hardware engineering teams accelerate their design and optimization workflows.
Advanced ManufacturingAI & Machine LearningDeep TechDeveloper ToolsEnterprise SoftwareRoboticsSan Francisco, US
Nicole Ma(Co-Founder & CEO)inZeyneb Kaya(Co-Founder & CTO)in
Tornyol develops lightweight autonomous drones equipped with sensors and control software to target and eliminate mosquitoes.
ConsumerHardwareRoboticsParis, FR
Alex Toussaint(Founder)inClovis Piedallu(Founder)in
Co-investorsDG Daiwa VenturesLong Journey Ventures
Trace provides an AI orchestration platform that models task flows between departments and aligns AI agents with human judgment to automate operational workflows at scale.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareFuture of WorkSaaSLondon, GB
Tim Cherkasov(Founder)inArtur Romanov(Founder)in
Co-investorsChainlinkChainlink labsCoinbase VenturesCoinFundGoodwater CapitalHaun Ventures+7 more
TraceRoot.AI provides an open-source observability and automatic remediation platform for AI agents, enabling developers to capture execution traces and diagnose issues with AI-assisted debugging that incorporates source code and version control context.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US
Co-investorsBerkeley FrontierImagination Capital
TrainLoop is a post-training research lab that trains specialized AI models for enterprise customers in pharma, biotech, logistics, and banking.
AI & Machine LearningDeep TechDeveloper ToolsEnterprise SoftwareSan Francisco, US
Jackson Stokes(Founder)inMason Pierce(Cofounder / CTO)in
Co-investorsMoonfire VenturesOlive Tree Capital
Trapeze provides an AI call center for healthcare organizations, offering 24/7 patient support through conversational AI for scheduling, inquiries, and triage.
AI & Machine LearningDigital HealthHealthtechNew York City, US
Betty Chang(Founder)inChristopher Chen(Founder)in
Co-investorsCorner Ventures
Trava is an AI-powered compliance platform that audits customs entries and product classifications for US importers to identify overpaid duties, recover refunds, and ensure compliance.
AI & Machine LearningEnterprise SoftwareLogistics & Supply ChainSan Francisco, US
Pushkar Lanka(Founder)in
Co-investorsBlockchange VenturesGrit VenturesM25TDF Ventures
Trelium builds AI agents that automate repetitive workflows for businesses, starting with custom merchandise and promotional product teams.
AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US
Abhimanyu Yadav(Founder)inRitanshu Dokania(Founder)in
Trim develops an AI model that simulates real-world physical systems and their evolution over time, using a custom transformer architecture designed to reduce computational costs for latency-sensitive applications like autonomous vehicles and scientific computing tasks.
AI & Machine LearningDeep TechDeveloper ToolsEnterprise SoftwareSan Francisco, US
Emanuel Gordis(Founder)in
Truffle AI provides API infrastructure that lets developers embed AI agents into applications and communication platforms like WhatsApp and Slack.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareBengaluru, IN
Shaunak Srivastava(Founder)inRahul Karajgikar(Founder)in
Truth Systems provides infrastructure for lawyers to maintain trust and safety standards across AI tools they use in legal practice.
AI & Machine LearningData & InfrastructureEnterprise SoftwareLegalTechSan Francisco, US
Alex Mac(Founder)inNam Nguyen(Founder)
Co-investorsLegalTech
Uncommon Therapeutics uses advanced technologies to develop drugs targeting rare genetic diseases, starting with Rett Syndrome, a neurodevelopmental disorder affecting approximately 1 in 10,000 girls.
BiotechHealthtechLongevityMedical DevicesSan Francisco, US
Noah Auerhahn(Founder)inRyan Lim(Founder)in
Co-investorsMoonfire Ventures
Units provides an alternative education model aimed at reimagining how students learn, positioning itself in opposition to traditional schooling structures.
AI & Machine LearningEdTechSan Francisco, US
Daniel Martinez(Founder)in
Unsiloed builds AI models that read and analyze document pages using attention-guided heatmaps to identify and extract structured data from tables, figures, and text regions.
AI & Machine LearningData & InfrastructureEnterprise SoftwareSan Francisco, US
Aman Mishra(Founder)inAdnan Abbas(Founder)in
Co-investorsOrange Collective
Untapped is a recruiting platform that connects job candidates with tech and finance companies, offering a more equitable hiring process by looking beyond traditional filters like school and work experience.
HR TechSaaS
Co-investorsOwl VenturesCameron VenturesRethink Impact
Uplane is an AI-powered platform for performance marketing that automates the generation of personalized ads and landing pages, campaign launches, and budget allocation across channels.
AdTechAI & Machine LearningEnterprise SoftwareMarketing TechSaaSSan Francisco, US
Julius KΓΆrfgen(Co-Founder & CEO)inMarvin Abdel-Massih(Founder)inLukas Vollmer(Founder)inJulius Korfgen(Founder)in
Co-investorsPlay Ventures20VCRebel Fund
Uplift AI develops voice synthesis models for regional and underrepresented languages, enabling digital service access through voice interfaces in local languages.
AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US
Hammad Malik(Founder)inZaid Qureshi(Founder)in
Co-investorsIndus Valley CapitalMoment Ventures, Llc
ValueMate auto-fills real estate appraisal forms from prior work history, MLS data, and field notes, then runs quality control before submission.
Enterprise SoftwarePropTechNew York City, US
Anir Prativadi(Founder)inPietro Demicheli(Founder)inVivek Isukapalli(Founder)in
Vassar Robotics develops gearbox-free robotic arms with direct-drive actuators for robot learning and imitation learning applications.
AI & Machine LearningConsumerHardwareRoboticsLos Angeles, US
Charles Yong(Founder)in
Velvet creates datasets and evaluations for training multimodal AI models, serving AI labs and enterprises building systems with improved spatial reasoning and latency performance.
AI & Machine LearningData & InfrastructureEnterprise SoftwareSan Francisco, US
Lucas Mantovani(Founder)inLucas Tucker(Founder)in
Co-investorsBlockchain Founders FundFunFair VenturesMindfulness Capital
Verbiflow is a SaaS categorization tool that analyzes funding database records and company websites to classify SaaS companies by their actual product offerings and customer segments.
AI & Machine LearningData & InfrastructureEnterprise SoftwareSaaSSan Francisco, US
Kashyab Ambarani(Founder)inRishi Mahadevan(Founder)in
Veritus provides AI-powered voice, SMS, email, and chat agents for lenders, banks, and collection agencies to re-engage loan applicants, handle customer service, and manage borrower delinquencies while maintaining regulatory compliance.
AI & Machine LearningEnterprise SoftwareFintechSan Francisco, US
Joshua March(Founder)inDavid Schlesinger(Founder)inJoseph Stein(Founder)in
Co-investorsCoral CapitalThreshold Ventures
Verne Robotics develops robotics technology, with a focus on multi-modal perception capabilities.
Advanced ManufacturingAI & Machine LearningDeep TechRoboticsSan Francisco, US
Neil Nie(Founder)inAditya Jha(Founder)in
Co-investorsCrucible CapitalZAKA VC468 Capital
Vesence is a platform that enables teams to delegate complex work in Microsoft Office applications (Word, Excel, PowerPoint, Outlook) to AI agents.
AI & Machine LearningEnterprise SoftwareLegalTechSaaSStockholm, SE
Henrik Hansson(Founder)inLudvig Swanstrom(Founder)in
Co-investorsEmergence Capital PartnersInception Fund20VCCreandumEmergence Capital
Vetnio is an AI copilot platform for veterinarians that automates clinical notes, provides diagnostic support, and manages calls and messages.
AI & Machine LearningEnterprise SoftwareFuture of WorkHealthtechSaaSStockholm, SE
Arman KarΓ©gar(Founder)inMax Henry Xie(Founder)in
Co-investorsPeakWave Ventures
VibeFlow is a design tool that automatically extracts design systems from URLs and enables users to create branded content including slide decks, posters, landing pages, ads, and brand kits.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Alessia Paccagnella(Founder)inElia Saquand(Founder)in
The Vision Lab creates high-density action labeling datasets for video and industrial data using proprietary vision language models combined with human annotation.
Advanced ManufacturingAI & Machine LearningData & InfrastructureDeep TechRoboticsSan Francisco, US
Tanachart (James) Kujareevanich(Founder)inZhichu Ren(Founder)inWill Wenbo Zhang(Founder)inTrevor Madigan(Managing Member)
Co-investorsAngel Invest500 GlobalEarlybird Venture CapitalFoothill VenturesRace Capital
Vocality Health provides AI-powered voice translation for medical settings, enabling doctors to communicate directly with non-English-speaking patients without requiring human medical interpreters in hospitals and clinics.
AI & Machine LearningHealthtechSan Francisco, US
Brogan McPartland(Founder)in
Co-investorsAvant Labs
VoiceOS is a voice-controlled productivity platform that lets users control applications and complete tasks using voice commands instead of typing.
AI & Machine LearningConsumerFuture of WorkSaaSSan Francisco, US
Jonah Daian(Founder/CEO)inKai Brokering(Founder)in
Vulcan builds AI agents for government workers and related professionals, offering Justinian (an agent for personnel in government and adjacent sectors with access to a legal and policy knowledge base) and Trajan (a public-facing concierge for citizens and businesses to navigate permitting, licensing, and regulatory questions on government websites).
Enterprise SoftwareLegalTechAustin, US
Tanner Jones(Founder)inAleksander Mekhanik(Founder)inChris Minge(Co-Founder & CTO)in
Co-investorsHAWKTAILGeneral Catalyst
Vybe builds AI coworkers and custom applications that automate repetitive operations tasks and integrate with existing team workflows through Slack and 3,000+ business integrations.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Quang Hoang(Cofounder/CEO)inFabien Devos(Cofounder/CTO)in
Co-investorsFjor FoundersHAWKTAILOrange CollectiveFirst Round CapitalPelion Ventures
Waffle is a platform that allows creators to build and deploy AI chatbots that they can share with audiences via simple access codes.
AI & Machine LearningConsumerCreator EconomyLondon, GB
Manuj Mishra(Founder)inDiogo Valdivieso(Founder)in
Co-investorsVerve Ventures
Wardstone designs and plans to deploy a constellation of satellites equipped with sensors and kinetic interceptors to detect, predict, and counter hypersonic and ballistic missiles for U.S. military defense agencies.
Advanced ManufacturingDefense TechSpace TechEl Segundo, US
Sebastian Fischer(Founder and CEO)inTobias Fischer(Founder)in
Wavedash is a web-based gaming platform that runs games natively in browsers without downloads or installs, enabling instant multiplayer by sharing a link.
AI & Machine LearningConsumerGamingSaaSSan Francisco, US
Kyler Blue(Co-Founder & CEO)inRaymond (George) Kennedy(Founder)inMatthew Portner(Founder)in
Co-investorsFloodgateAdvancit CapitalBrainstorm VenturesGriffin Gaming PartnersLowercase CapitalMarch Capital Partners+1 more
Wayline develops an AI-powered property management system that automates maintenance, support, leasing, and communication for multi-unit residential buildings.
AI & Machine LearningPropTechSaaSSan Francisco, US
Jason Okra(Founder)inEric Rowell(Founder)in
Co-investorsMoonfire VenturesValia Ventures
Waypoint is an AI-powered platform that automates routine GIS analysis, permitting review, and transportation planning tasks for municipalities and planning firms.
AI & Machine LearningGovTechMobility & Transportation
Varun Tandon(Founder)inRyan Johnston(Founder)in
Co-investors468 Capital
Weave provides an engineering intelligence platform that measures and optimizes software development team productivity by analyzing code impact and engineering work patterns, integrating AI assistance to help engineers ship faster.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US
Adam Cohen(Founder)inAndrew Churchill(Founder)in
Co-investorsAlbum VCMoonfire VenturesTiger Global Management
Willow is a voice-to-text application that transcribes and formats spoken words into written text across desktop and mobile devices.
AI & Machine LearningConsumerDeveloper ToolsFuture of WorkSan Francisco, US
Allan Guo(Founder)
Co-investorsHetz Ventures
WOZCODE is an official plugin for Claude Code that optimizes code execution to reduce costs and improve performance for developers.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Ben Collins(Founder)inBrad Eckert(Founder)in
Co-investorsBurst CapitalCERVIN VENTURESMGVUntapped Ventures
YouShift provides AI-powered software that automates shift scheduling for hospitals, reducing reliance on manual processes and dedicated scheduling staff.
AI & Machine LearningEnterprise SoftwareHR TechNew York City, US
LucΓa Vives Martorell(Founder)inJota Chamorro(Founder)inAdolfo Roquero Gimenez(Founder)in
Zalos builds computer agents that automate repetitive finance operations tasks like payroll, reconciliation, and form processing within existing enterprise ERP and accounting systems, without requiring system replacement.
AI & Machine LearningEnterprise SoftwareFintechSaaSLondon, GB
William Fairbairn(Founder, CEO)inHung Hoang(Founder, CTO)in
Co-investorsActivant CapitalCohen CircleSterling Road14Peaks Capital20VC
Zarna provides AI solutions to automate workflows in private capital markets and investment banking.
AI & Machine LearningEnterprise SoftwareFintechSan Francisco, US
Rishabh Dhariwal(Founder)inVivan Agrawal(Founder)inHrishi Joshi(Founder)inRakesh Mehta(Founder)in
Zeon Systems builds robotic infrastructure for scientific laboratories, enabling automation of flexible and adaptive experiments through perception, control, and manipulation capabilities.
Advanced ManufacturingAI & Machine LearningDeep TechRoboticsSan Francisco, US
BrontΓ« Kolar(Founder)inTahir D'Mello(Founder)in
Zephyr Fusion develops compact, in-orbit fusion power systems for space-based applications including microgravity manufacturing, data centers, defense, propulsion, and human habitation.
Advanced ManufacturingDeep TechEnergySpace TechSan Diego, US
Edward Hinson(Founder)inGalen Burke(Founder)in
Co-investorsSterling RoadZAKA VC
ZeroEntropy develops specialized machine learning models for search and retrieval-augmented generation (RAG) pipelines, offering rerankers, embeddings, and fine-tuned models for production AI systems.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Ghita Houir Alami(Founder)inNicholas Pipitone(Founder)in
Co-investorsEntrepreneur FirstLobster CapitalInitialized CapitalKima Ventures
Rows marked βSEC filingβ are inferred from directors named on the company's SEC Form D β public regulatory data, not a portfolio list published by the firm.


















































