Tech Company CollectionsY Combinator Portfolio Companies

Y Combinator is a renowned startup accelerator and venture capital firm that has played a pivotal role in shaping the tech startup landscape. Founded in 2005 by Paul Graham, Y Combinator (often abbreviated as "YC") is widely recognized for its unique approach to nurturing and supporting early-stage startups.

YC's primary program is its startup accelerator, which typically runs in three-month cycles. During these cycles, selected startups receive a combination of funding, mentorship, resources, and guidance to help them develop their products, refine their business models, and prepare for growth. In exchange for a small equity stake, startups receive seed funding, access to a network of experienced mentors, and the opportunity to present their progress to a room full of potential investors during a culminating "Demo Day."

YC's mentor network is one of its defining features. The network consists of successful entrepreneurs, industry experts, and investors who provide startups with invaluable insights, advice, and connections. This mentorship-driven approach allows founders to tap into a wealth of knowledge and experience, enabling them to make informed decisions and navigate the challenges of building a startup.

Beyond its accelerator program, Y Combinator offers additional resources to support the startup community. YC Continuity is a fund designed to provide growth-stage funding to YC alumni companies as they continue to scale. YC Research focuses on funding important projects, and YC Startups is a resource hub for early-stage founders, featuring advice, articles, and tools.

Notably, Y Combinator has a remarkable track record of backing successful companies. YC has invested in and supported startups that have gone on to become industry giants, including Airbnb, Dropbox, Stripe, Reddit, DoorDash, and many more. The success stories from YC's portfolio showcase the impact of the accelerator's guidance and resources.

In essence, Y Combinator is more than just a venture capital firm; it's an ecosystem that fosters innovation, nurtures entrepreneurship, and empowers founders to turn their ideas into thriving businesses. Through its accelerator program, mentor network, and ongoing support, YC continues to shape the trajectory of startups and contribute to the evolution of the tech industry.

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List of Y Combinator Portfolio Companies

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Lucite logo
Lucite is a finance productivity software that automates research and presentation creation for investment bankers, investors, corporate finance teams, and consultants.
New YorkNY2 - 102024$500,000
OneGrep logo
OneGrep is an artificial intelligence company that provides insights to improve team observability data and streamline the engineering operations
New YorkNY2 - 102024$500,000
Lumen Orbit logo
Lumen Space offers cloud computing and data relay to satellites in space. The company's mission is to accelerate downlink times by processing data in orbit.
RedmondWA2 - 102024$2,900,000
GoldenBasis logo
GoldenBasis is a B2B fintech company that aims to help self-clearing firms receive account transfers with AI.
San FranciscoCA2 - 102024$500,000
Blacksmith logo
Blacksmith is a company that helps businesses to conduct their continuous integration (CI) up to twice as quickly and at half the expense. Blacksmith accomplish this by running CI on powerful gaming CPUs.
VenturaCA2 - 102024$500,000
Pretzel AI logo
Pretzel AI is a cutting-edge, open-source substitute for Jupyter Notebook designed for data scientists and analysts that solves a number of persistent problems with Jupyter. It emphasizes AI, fosters collaboration, provides a contemporary development envir
San FranciscoCA1 - 102024$500,000
Leaping logo
Leaping autonomously into the code is a recipe for bugs and errors. Instead, trust the tested code fixes for a reliable and successful solution.
San FranciscoCA1 - 102024$500,000
CrowdVolt logo
CrowdVolt is a platform that allows fans to swap tickets to live events via a two-sided, bid-ask system, beginning with raves and EDM concerts.
New YorkNY2 - 102024$1,900,000
Airfront logo
Airfront automates the manual tasks directly from the inbox by using artificial intelligence.
San FranciscoCA1 - 102024$500,000
Agentic Labs logo
Agentic Labs is integrating AI into software design and architecture to alleviate pain points. Although there are many tools available to developers today for quickly developing code, the most difficult and labor-intensive aspect of software engineering is
New YorkNY2 - 102024$500,000
Amber AI logo
Amber is an extension of your post-sales team, providing context for each customer and action.
San FranciscoCA50 - 2002024$500,000
Vespper logo
Vespper is an AI 24/7 operational engineer. it automatically troubleshoots incidents and alerts, links to sources and helps you find the customer impact quickly. Whether your organisation is going through growing pains, need a better handle at dealing with
1 - 102024$500,000
ELEV4TE logo
Elevate AI is a Purchasing API tool that provides Financial infrastructure for AI agents.
New YorkNY5 - 102024$500,000
Haplotype Labs logo
Haplotype is a startup that improves human health over time by dramatically improving the security, accessibility, and sophistication of population genetics software and polygenic risk scores.
OrindaCA1 - 102024$500,000
Alacrity logo
Alacrity is a company that assists businesses in preventing ATOs (account takeovers) by offering a range of multi-factor authentication tools that provide both security and a positive user experience.
San FranciscoCA1 - 102024$500,000
Edgetrace logo
EdgeTrace makes video data easily available and actionable for important businesses.
San FranciscoCA1 - 102024$500,000
Octolane AI logo
Octolane AI is an artificial intelligence platform that rebuilds salesforce with the power of AI.
New YorkNY2 - 102024$500,000
Corefin logo
Corefin is an open-source lending platform that enables technology businesses to create and market lending solutions.
San FranciscoCA1 - 102024$500,000
Guac logo
Guac is a saving app designed to help the user to save while spending towards their goals. Guac users set their goals, deadlines when they want to purchase/book that goal and utilize Guac's unique percentage-based save while they spend savings tools to fun
DoverDE5 - 102024$5,101,947
USUL logo
USUL is a modern government intelligence platform that provides software solutions.
ChehalisWA2 - 102024$500,000
ClaimSorted logo
ClaimSorted is a modern claims TPA providing a 5-star claims experience while also reducing operational and indemnity costs through our industry-leading claims team and advanced automation
New YorkNY50 - 1002024$3,000,000
PathPilot logo
PathPilot offers an AI-powered platform that analyzes session replays to reveal user insights, UI issues, and improvement recommendations.
San FranciscoCA2 - 102024$500,000
Yondu logo
Yondu is a robotics engineering firm offering AI models for diverse robotic applications, including a voice-controlled drone.
San FranciscoCA1 - 102024$500,000
Revyl logo
Revyl is an AI-enabled QA platform that allows teams to create, run, and maintain fully functional, automated E2E tests easily with no maintenance.
San FranciscoCA2 - 102024$1,100,000
ProhostAI logo
AI-powered operating system for short-term rental hosts
San FranciscoCA2 - 102024$1,465,000
Piramidal logo
Piramidal offers artificial intelligence software that transforms brain activity into easy-to-understand health data to help diagnose neurological diseases.
San FranciscoCA1 - 102024$6,500,000
NCompass Technologies logo
nCompass Technologies is a platform for accelerating and hosting open-source and custom AI models. It offers low-latency AI deployment without rate-limiting. All with just one line of code.
San FranciscoCA2 - 102024$500,000
Fan Cave logo
FanCave is the platform that allows all fans to directly offer recruits and participate in all opportunities with athletes.
North AttleboroughMA10 - 502024$500,000
Taiki logo
Taiki is an API that automatically pulls tax documents and data from payroll and financial institutions using AI.
San FranciscoCA1 - 102024$500,000
Ocular AI logo
Ocular is a Cloud and Artificial Intelligence company, backed by Y Combinator, bringing Enterprise AI and Search to the Workplace and Engineering.
AtlantaGA2 - 102024$500,000
Kabilah logo
Kabilah streamlines shift change for nurses with an AI-powered assistant that replaces paper reports.
StanfordCA1 - 102024$500,000
Blume Benefits logo
Blume Benefits is an insurance broker management platform that converts complex insurance quotes into clear and concise formats.
San FranciscoCA1 - 102024$500,000
Arini logo
Arini is an AI receptionist for dental practices that answers phone calls, and schedules appointments.
San FranciscoCA2 - 102024$500,000
Oma Care logo
Oma Care is to empower, assist, and compensate people who care for our most vulnerable citizens—family caregivers.
San FranciscoCA1 - 102024$500,000
ProSights logo
ProSights is an AI-powered enterprise search platform designed for investors.
New YorkNY10 - 502024$2,700,000
Thorntale logo
Thorntale is the first presentation program developed for data storytelling.
San FranciscoCA1 - 102024$500,000
K-Scale Labs logo
K-Scale Labs is a robotic engineering company specializing in creating open-source humanoid robots.
New YorkNY1 - 102024$500,000
Just Words logo
Just words is a software company that makes it simple to create self-optimized content variations for emails and advertisements.
San FranciscoCA2 - 102024$500,000
Aidy logo
Aidy is an AI assistant that helps to find, qualify, and apply for U.S. federal grants. It can quickly check the project's eligibility and competitiveness across various grant programs, and assist in filling out forms and drafting documents with AI.
San FranciscoCA2 - 102024$500,000
Patched logo
Open-source framework to accelerate development tasks with AI
San FranciscoCA2 - 102024$2,000,000
Aedilic logo
Aedilic is a transportation service provider offering Storage services with drone delivery.
Palo AltoCA2 - 102024$500,000
Reprompt logo
Reprompt is the control panel for production AI systems.
South San FranciscoCA1 - 102024$1,000,000
Toma logo
Toma is a software company currently based in New York City, New York, United States. It has been founded in 2024 by Anthony Krivonos, Monik Pamecha, and Junyu Huang.
New YorkNY2 - 102024$500,000
Ply Health logo
Ply Health’s platform delivers a better and faster contracting and credentialing experience. Using our tech + automation and behavioral health expertise, we've been able to get providers in network with payers weeks to months faster than other vendors. Pl
San FranciscoCA2 - 102024$500,000
Retail Ready logo
RetailReady specializes in streamlining retail compliance through directed workflows that eliminate the need for traditional paper SOPs and spreadsheet tracking. By digitizing warehouse processes, which traditionally relied on extensive manuals, into a mor
AtlantaGA2 - 102024$3,800,000
Manifold Freight logo
A software solution that aggregates spot freight opportunities for medium-to-large carriers
SeattleWA2 - 102024$2,400,000
MantleBio logo
MantleBio is an operator of a medical technology company intended to build software to scale data-driven discovery for biotech.
San FranciscoCA2 - 102023
Gumloop logo
The no-code platform to build and host AI-powered business automations.
2 - 1020233109663 CAD
Magic Loops logo
Magic Loops uses a combination of large language models and code for anyone to setup repeatable tasks and automated workflows.
San FranciscoCA2 - 102023
Quest logo
Quest is an audio Q&A platform where experts can share advice and stories in short audio clips. The startup is focusing specifically on business advice early on and has over 10 hours of content from speakers at companies like YC and Google.
San FranciscoCA5 - 102023$125,000
Santé logo
Santé provides liquor stores with custom inventory management, e-commerce, and industry-specific tools.
New YorkNY2 - 102023
Texel.ai logo
Texel.ai provides tools and APIs that allow you to encode or decode video and optimize AI models.
AustinTX2 - 102023$500,000
MEDISEARCH logo
MediSearch is a developer of a search engine platform designed to provide direct science-based answers to medical questions.
San FranciscoCA5 - 202023
PropRise logo
PropRise provides access to real-time rental comps, source-motivated sellers, and underwrites efficiently to acquire more communities.
San FranciscoCA2 - 102023
Unriddle logo
Unriddle is a research assistant that helps academics quickly find insights in scientific literature so they can write papers faster. We’re using language models to offload rote research tasks, speeding up the research process and freeing up more human ca
San FranciscoCA2 - 102023$500,000
Semantic Finance logo
Semantic Finance provides a real-time AI-powered news insights API for unpredicted events that affect the financial markets.
San FranciscoCA2 - 102023$500,000
Resend logo
Resend is a modern customer communication and lead-capturing platform that helps companies support and engage with customers on websites.
San FranciscoCA10 - 502023$3,500,000
GigaML logo
We make high-quality finetuned models based on open-source LLMs
San FranciscoCA5 - 202023$3,600,000
CatX logo
The exchange for trading and transferring risk
DoverDE2 - 102023$3,200,000
Wattson Health logo
Medication errors cost the healthcare industry $40 billion each year, the largest contributor being the manual processes employed by pharmacies. Wattson Health's automation platform integrates with pharmacies' existing systems and enables them to fill pres
San FranciscoCA2 - 102023$500,000
Operator logo
Operator makes it easy to connect and work with business data.
New YorkNY5 - 102023$150,000
Retake logo
ParadeDB is a Postgres-based ElasticSearch alternative, engineered for lightning-fast full text, similarity, and hybrid search.
New YorkNY5 - 102023
Quantic logo
Quantic provides next-generation personalized, timely, and reliable data provider for sales teams.
San FranciscoCA2 - 102023$500,000
Solve Intelligence logo
We use AI to help you write high-quality patents quickly. We do this by providing a simple in-browser document editor that any patent attorney or inventor can start using straight away. Our product can help with all stages of the patent life cycle, from dr
San FranciscoCA10 - 502023$3,000,000
TensorFuse logo
Tensorfuse makes it simple to deploy and manage LLM pipelines on your cloud.
San FranciscoCA5 - 102023$500,000
Clueso logo
Clueso streamlines your entire customer education workflow. Transform basic screen captures of your product features into rich, studio-grade explainer videos and step-by-step guides. Imagine supercharging your help center's quality by 10x while reducing th
San FranciscoCA2 - 102023$1,900,000
Positional logo
Over the last decade, our team has built and scaled content channels in some of the most competitive verticals (ex. insurance, personal loans, b2b SaaS). Today, we are building a toolset for content teams to scale their content channels faster and drive mo
CharlestonSC5 - 102023$2,600,000
Serial logo
Serial is software to help root cause manufacturing issues in seconds.
San FranciscoCA2 - 102023$500,000
Strada logo
Strada is a marketplace and workflow builder to empowers creative professionals to deliver higher quality content faster. Strada is developing an AI-powered cloud platform with production and postproduction capabilities.
RiversideCA10 - 502023$4,275,013
Studdy logo
At Studdy, our mission is to unlock the full potential of the next generation by providing a personalized AI tutor for every student. Studdy Buddy is a multilingual tutor that uses AI, as well as advanced speech, text, and image recognition technology to s
San FranciscoCA5 - 202023$2,300,000
Gloo logo
Gloo is a data search engine that automatically computes multiple embeddings for a single document.
SeattleWA2 - 102023$500,000
CodeComplete logo
CodeComplete is an AI coding assistant for enterprises.
San FranciscoCA2 - 102023
SSOReady logo
SSOReady makes free, open source SDKs that help software developers offer SAML single sign-on to their customers.
San FranciscoCA2 - 102023$500,000
Reform logo
The fastest way to develop modern logistics software
New YorkNY1 - 102023$500,000
Second logo
Second is a company that specializes in providing developer tools, software, and web applications. Their main product, Second Step, is an automated code migration tool for developers. This tool is designed to streamline the process of code migration, makin
San FranciscoCA2 - 102023$1,900,000
Shiboleth logo
Shiboleth automates back-office QA and compliance in consumer lending.
New YorkNY2 - 102023$500,000
Monitaur logo
Monitaur is an observability platform for web3 applications powered by machine learning. It gives insights across the entire stack with real-time monitoring, anomaly threat detection, and powerful event management.
Las VegasNV2 - 102023$1,500,000
CraftOS logo
CraftOS is a SAAS company that offers inventory tracking and POS tools for wineries.
San FranciscoCA1 - 102023$500,000
Trainy logo
We're working on open source tooling to take the guesswork out of optimizing the speed of distributed model training. We've built a dashboard for understanding multi-gpu profiles and tools to train and serve LLMs that you can try right now. Check out our p
San DiegoCA2 - 102023$500,000
Accend logo
Accend is a provider of a step-by-step guided workflow designed to speed up and automate human reviews. The organization offers to conduct broad web searches and prepare regulatory reports such as CDD/EDD, allowing operations and compliance teams to speed
San FranciscoCA1 - 102023$3,700,000
Contour logo
Contour helps developers intelligently create and maintain end-to-end tests with minimal engineering effort
San FranciscoCA5 - 202023$500,000
Constant logo
Constant is a private credit investment platform.
New YorkNY1 - 102023$500,000
Wild Moose logo
Wild Moose assists on-call developers in determining the source of production incidents more quickly. Wild Moose accomplish this by providing a conversational AI that has been trained on their environment. LLM-based AI is specifically designed to answer q
San FranciscoCA2 - 102023$500,000
Andy AI logo
Andy is AI software that completes documentation for nurses during home visits.
San FranciscoCA2 - 102023$500,000
AiSDR logo
AiSDR automates meeting scheduling by categorizing leads, speaking with prospects, designing email campaigns, and utilizing AI technology. The company helps startups increase sales while reducing costs by creating and managing outbound email campaigns for
San FranciscoCA2 - 1020232971137 EUR
Flint logo
Flint is a global healthcare talent recruiting platform. Flint supports healthcare staffing needs. Flint sources nurses from around the globe, enabling clients to let the organization manage the entire recruiting, licensing, immigration, and relocation pro
San FranciscoCA10 - 502023$500,000
Gleam logo
Gleam Care offers Self-funded health plans for companies.
San FranciscoCA1 - 102023
Wuri logo
Wuri is an AI firm that transform web stories into captivating audio-visual novels.
San FranciscoCA1 - 102023$500,000
Twenty logo
Twenty builds the modern salesforce, powered by the open source community.
San FranciscoCA5 - 102023
Simbie Health logo
Enabling women's health providers to start, grow, and operate their own practices.
DoverDE2 - 102023$500,000
Index logo
Index is a collaborative planning tool for software companies
San FranciscoCA2 - 102023$500,000
InspectMind logo
InspectMind AI is a platform to redefine inspections with artificial intelligence that significantly reduces report preparation time by incorporating multimedia inputs into comprehensive reports.
San FranciscoCA1 - 102023$500,000
Velorum Therapeutics logo
Velorum Therapeutics produces powerful cancer treatments that starve tumors.
South San FranciscoCA1 - 102023$500,000
Upsolve AI logo
Upsolve creates a walk-up-usable customer-facing analytics dashboard and embed it within your product in one day. This empowers your customers with deep, actionable insights directly from your existing data. But that's just the beginning. Upsolve's AI assi
San FranciscoCA2 - 102023$500,000
Tusk logo
Tusk is an AI coding agent that completes customer-reported issues from ticket to pull request. Engineering teams use Tusk to increase customer NPS while reducing context-switching.
San FranciscoCA1 - 102023$500,000
Coldreach logo
Coldreach is a digital platform that generates hyper-personalized sales emails.
San FranciscoCA2 - 102023$500,000
Metal logo
AI Accelerated Deal Flow and Portfolio Intelligence
New YorkNY5 - 102023$3,000,000
Brew IT! logo
Brew IT! is a technology company that connects beer drinkers with their local breweries. We aim to enable breweries to meet the drinkers' needs with ease and convenience and in return provide a fascinating experience for both parties.
Mountain ViewCA2 - 102023$500,000
Sudocode logo
Sudocode is an AI platform with a specialized task force that converts your concepts into code seamlessly.
Mountain ViewCA2 - 102023
Powder logo
Powder is a financial services company currently based in Los Altos, California, United States. It has been founded in 2023 by Dominic Tully, Jeffrey Magder, and David Goerz.
LexingtonKY5 - 102023$5,500,000
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