Fundraising Fox

Lobster Capital

Venture capitalActively deploying

San Francisco Β· Seed–Series B

✨ Fox Verdict
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Investment thesis

Lobster Capital identifies and backs exceptional Y Combinator companies showing strong customer traction, clear paths to efficient growth, and teams with unique insights and relentless execution capability. The fund leverages a decade of pattern recognition within the Y Combinator ecosystem to focus on the top 2% of startups, filtering out batch noise and competitive deal dynamics. The strategy provides allocators disciplined exposure to what the firm views as the world's most valuable startup ecosystem.

Invests inSector AgnosticSan FranciscoWilmington

Source: firm website, verified Jul 21, 2026.

Stage
Seed–Series B
HQ
San Francisco, US
Leads rounds
Follows
Instruments
Equity
Founded
2020
Tracked investments
88

What they invest in

from 42 of 88 portfolio companies

AI & Machine Learning Γ—28Enterprise Software Γ—21SaaS Γ—13Fintech Γ—10Advanced Manufacturing Γ—7Data & Infrastructure Γ—7Healthtech Γ—6Consumer Γ—5

HQs:United StatesΓ—35United KingdomΓ—2NetherlandsΓ—1

Investments Β· showing 60 of 88

founders shown can be your intro path
A0a0.devin𝕏

a0.dev provides a platform that generates React Native projects to accelerate mobile app development for developers. The service aims to reduce typical development timelines by automating project scaffolding and boilerplate code generation.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US

Seth Setse(Co-Founder)inAyomide Omolewa(Co-Founder)in

Array Labs

Building satellites to create a real-time 3D map of the world.

Array Labsarraylabs.ioin𝕏

Array Labs develops radar technology for aerospace and other leading industries. The company focuses on systems engineering, software development, and radar systems innovation.

Advanced ManufacturingDeep TechDefense TechHardwareSpace TechSan Francisco, US

Andrew Peterson(Founder)inJose Isaac Robledo(Founder)in

Better Auth

The authentication framework for TypeScript.

Better Authbetter-auth.comin𝕏

Better Auth is an open-source authentication framework for TypeScript applications that provides composable, plugin-based authentication with support for multiple methods including credential auth, social sign-on, passkeys, and enterprise features. It serves developers building consumer and enterprise applications across various frameworks including Next.js, Nuxt, and SvelteKit.

CybersecurityDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Bereket Engida(Founder)in

BioStack Platforms

Real-world healthcare datasets to post-train frontier AI on clinical tasks.

BioStack Platformsgetbiostack.comin𝕏

BioStack provides a platform for bioinformatics and experimental science that integrates biological insights with computational technology. The platform serves researchers and scientists working in modern biology and life sciences research.

AI & Machine LearningBiotechData & InfrastructureHealthtechSan Francisco, US

Sanat Mishra(Founder)inParth Patwa(Founder)in

Bluedot

A single payment platform for EV drivers and fleets.

Bluedotthebluedot.coin𝕏

Bluedot provides a payment platform that consolidates charging transactions and expense tracking for electric vehicle owners and fleet operators.

Climate TechFintechSan Francisco, US

Selinay Parlak(Founder)inFerhat Babacan(Founder)in

Crustdatacrustdata.comin𝕏

CrustData provides real-time company and people data through APIs and integrations, helping users identify early signals of activity within organizations. The platform serves businesses and researchers who need current intelligence on company changes, hiring, and launches.

AI & Machine LearningData & InfrastructureEnterprise SoftwareSaaSSales TechSan Francisco, US

Abhilash Chowdhary(Co-founder and CEO)inManmohit Grewal(Founder)inChris Pisarski(Founder)in

Crustdata

Real-time B2B data via simple APIs.

Diditdidit.mein𝕏

Didit provides identity verification and KYC/KYB infrastructure for organizations worldwide, offering a programmable API with real-time fraud detection, deepfake protection, and support for 48+ languages. The platform is designed for regulated financial institutions, marketplaces, and access-control systems.

CybersecurityData & InfrastructureEnterprise SoftwareFintechSan Francisco, US

Alberto Rosas(CEO)inAlejandro Rosas(CTO)in

Didit

Identity platform for fast human verification.

FinalDosefinaldose.aiin𝕏

FinalDose develops a programmable DNA-targeting molecule designed to recognize and destroy cells carrying specific genetic sequences, with initial applications in oncology across cancer types.

AI & Machine LearningBiotechHealthtechLondon, GB

Li-Yao Huang(Founder)inSteven Lin(Founder)inJeff Liu(Founder)in

FinalDose
Flywheel AI
Flywheel AIuseflywheel.aiin𝕏

Flywheel AI provides remote operation systems for excavators and construction equipment, enabling operators to control multiple machines or sites from a distance while improving site safety and productivity.

Advanced ManufacturingAI & Machine LearningConstruction TechHardwareRoboticsSan Francisco, US

Jash Mota(Founder/CEO)in

Harperharperinsure.comin𝕏

Harper Insure is an insurance broker that uses data analytics and human expertise to match commercial clients with appropriate insurance carriers and coverage. The platform serves businesses across industries including tech, construction, trucking, and aerospace, offering policies for liability, vehicle, property, cyber, and specialty coverage.

AI & Machine LearningFintechInsurTechSan Francisco, US

Dakotah Rice(Founder)inTushar Nair(Founder)in

Harper

AI-native commercial insurance brokerage.

Inversion Semiconductorinversionsemi.comin𝕏

Inversion Semiconductor develops next-generation semiconductor lithography equipment based on miniaturized particle accelerators that increase transistor density and improve chip manufacturing precision. The platform enables semiconductor fabricators to scale transistor production toward physical limits while improving throughput and uniformity in advanced chip production.

Advanced ManufacturingDeep TechHardwareRoboticsSemiconductorsSan Francisco, US

Rohan Karthik(Founder)inDaniel Vega(Founder)in

Inversion Semiconductors

Manufacturing the most powerful chips, 15x faster.

ion designion.designin𝕏

A service that automatically generates and launches multiple customized landing pages for businesses, tailored to different campaigns and use cases to improve conversion rates and search visibility.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US

Samraaj Bath(Founder)in

Ion Design

AI that creates & tests 100s of landing pages for your product.

Ionworks

Simulation software used by leading battery and automotive companies.

Ionworksionworks.comin𝕏

Ionworks provides a Battery Simulation OS that combines physics-based electrochemical modeling with machine learning for battery R&D. The platform turns cycler data into validated models and generates labeled datasets for ML methods, serving cell makers, OEMs, and battery researchers.

Advanced ManufacturingAI & Machine LearningCleantechDeep TechEnergySaaS

<UNKNOWN>Weilong AiSam CooperNed Stetson

Joinpapjoinpap.comin𝕏

pap automates the identification and collection of refunds and compensation owed to consumers across retail price drops, flight delays or cancellations, and class-action lawsuits, requiring only email authorization to operate on the user's behalf.

AI & Machine LearningConsumerFintechSan Francisco, US

Kamal Nahas(Co-Founder, CEO)inAnthony Rassi(Co-Founder, COO)inWeijie Wang(Founder)in

Joon

Pediatric digital therapeutic for the +100M families in the US.

Joon Healthjoonhealth.coin𝕏

Joon is a mobile app that helps children ages 6-12 build executive functioning and positive habits through gamified task management, targeting parents seeking to reduce behavioral friction around chores, homework, and daily routines.

ConsumerHealthtechWellness & FitnessSan Francisco, US

Isaac Eaves(Founder)inBrad Brenner(Founder)inKevin Bunarjo(Founder)in

Junojunocompanion.comin𝕏

Juno is an AI health assistant that helps people with chronic illness track symptoms, identify patterns, and create reports for medical appointments, based on university research and user feedback from over 1,000 patients.

AI & Machine LearningDigital HealthHealthtechWellness & FitnessSan Francisco, US

Marshall Gould(Founder)inIsaac Tolley(Founder)in

Juno

AI health assistant for people living with severe chronic illness.

Keyekeye.coin𝕏

Keye is an AI-powered due diligence platform that transforms raw deal files and financial data into structured, actionable insights for private equity investors. The platform performs calculations and analysis to accelerate deal evaluation and decision-making.

AI & Machine LearningEnterprise SoftwareFintechNew York City, US

Rohan Parikh(Founder)inConor Brown(Founder)inLalit Lal(Cofounder, CTO)in

Keye
LunaBilllunabill.comin𝕏

LunaBill provides AI automation software for hospital billing teams to manage denied claims and patient revenue cycles. The system replaces manual phone-based claim status inquiries with automated retrieval, serving health systems and RCM companies.

AI & Machine LearningEnterprise SoftwareHealthtechSaaSSan Francisco, US

Suhail Parry(Cofounder and CEO)inDavid Day(Founder)in<UNKNOWN>(<UNKNOWN>)

LunaBill

AI Voice callers for healthcare billing teams.

Lyra
MantleBio

Transform scientific data into discoveries.

MantleBiomantlebio.comin𝕏

MantleBio provides a data management and analytics platform designed for biotech researchers and scientific teams. The platform integrates biological data, enables advanced bioinformatics analysis, and accelerates drug development and genomics research workflows.

BiotechData & InfrastructureEnterprise SoftwareSaaS

Emily Damato(Founder)inMadeline Schade(Founder)inEmilyMadeline

Motivesmotives.aiin𝕏

Motives conducts AI-moderated video interviews with real people to gather consumer insights for insights teams. The platform automates recruitment and analysis of qualitative research data.

AI & Machine LearningEnterprise SoftwareMarketing TechSaaSLondon, GB

Sean Conley(Founder)inSam Stoll(Founder)in

Motives

Consumer focus groups run by AI.

OneTextonetext.comin𝕏

OneText provides SMS marketing software with text-to-buy functionality, AI-powered product recommendations, and live concierge support for ecommerce brands. The platform integrates with major ecommerce and marketing platforms to drive incremental revenue through conversational messaging and direct purchase capabilities.

E-commerceFintechMarketing TechSaaSSan Francisco, US

Jonathan Fudem(Founder)inDaniel Brain(Founder)in

OneText

Frictionless payments via SMS.

Onlook
Onlookonlook.comin𝕏

Onlook builds developer and design tools that bridge the gap between creative teams and implementation, using AI to enhance the creative process.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US

Daniel Farrell(Founder)in

Orange Sliceorangeslice.aiin𝕏

Orange Slice automates sales tasks using AI agents that identify prospects, enrich them with data from web research, and execute revenue workflows including CRM syncs and email outreach. The platform serves sales and revenue teams at SaaS companies and enterprises.

AI & Machine LearningEnterprise SoftwareSaaSSales TechSan Francisco, US

Vihaar Nandigala(Founder)in

Orange Slice

Agentic sales enrichment spreadsheet.

P26

Programmable CRISPR drug that targets and kills cancer cells by their DNA signature.

Pantapantainsure.comin𝕏

Panta is an insurance broker that specializes in placing commercial insurance for construction, logistics, and manufacturing firms, including high-hazard work that traditional brokers decline. The company offers general liability, property, auto, workers' compensation, cyber, and specialty coverage with a data-driven underwriting approach.

Enterprise SoftwareFintechInsurTechSan Francisco, US

Vincent Chen(Founder)inFrank Wang(Founder)in

Panta
Paratus Healthparatushealth.comin𝕏

Medical Voice Agents for Patient Management.

Perfectlyperfectly.soin𝕏

Perfectly is an AI-native recruiting agency that automates candidate sourcing, outreach, and coordination for startup hiring teams. The system uses machine learning to identify and contact candidates, learning from feedback to improve over time.

AI & Machine LearningEnterprise SoftwareHR TechSan Francisco, US

Victor Luo(Founder)inZhuang (Gary) Luo(Founder)inHuimin Xie(Co-Founder)in

Perfectly
Perseus Defense

America's Golden Dome for Drones.

Perseus Defenseperseusdefense.comin𝕏

Perseus Defense builds autonomous defense systems. The company focuses on next-generation autonomous technologies for defense applications.

Advanced ManufacturingAI & Machine LearningDefense TechHardwareRoboticsAustin, US

Jason Cornelius(Co-founder & CEO)inSteve Messinger(Founder)in

Pocketheypocket.comin𝕏

Pocket is a wearable AI device with accompanying app that captures voice conversations and thoughts, then uses AI models to transcribe, summarize, generate action items, and create mind maps. It serves professionals, creators, and founders who want to record and organize their thoughts hands-free.

AI & Machine LearningConsumerHardwareSan Francisco, US

Akshay Narisetti(Founder)inGabriel Dymowski(Founder)in

Pocket
PointOne

AI Time Platform for Law Firms.

PointOnepointone.comin𝕏

PointOne automates administrative and time-tracking tasks for large law firms to improve operational efficiency. The company provides data insights to help legal firms make data-driven decisions around staffing, pricing, and innovation as the industry adapts to AI.

AI & Machine LearningData & InfrastructureEnterprise SoftwareLegalTechSaaSNew York City, US

Katon Luaces(Co-Founder & CEO)inJeremy Ben-Meir(Co-Founder & CTO)inAntoine Toussaint(Senior Software Engineer)Billy Ramundo(Software Engineer)

Real Rootstherealroots.comin
RealRoots

Frequently asked questions

What stage does Lobster Capital invest at?
Lobster Capital invests at the Seed, Series A, Series B stages.
What sectors does Lobster Capital focus on?
Lobster Capital focuses on Sector Agnostic.
Where is Lobster Capital located?
Lobster Capital is headquartered in San Francisco, US.
Does Lobster Capital lead rounds?
Lobster Capital typically participates in rounds rather than leading them.

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