Pebblebed
Venture capitalActively deployingSan Francisco · Pre-Seed–Series A · 4 people tracked
Also known as PEBBLEBED MANAGEMENT, LLC
Investment thesis
Pebblebed is built on the premise that technical founders want technical investors. The firm backs people tackling technically rigorous problems it calls 'self-protecting ideas' — challenges that are simple to describe but punishing to execute and valuable because most people hear the plan and give up. It positions itself as a home for builders, offering physical workspace such as a San Francisco warehouse where founders can work. The firm makes roughly 20 investments per fund and leads rounds.
Source: firm website, verified Aug 25, 2026.
Team · 4 people
from the firm's website & public directories
What they invest in
from 30 of 52 portfolio companiesAI & Machine Learning ×21Deep Tech ×11Developer Tools ×9Enterprise Software ×7Data & Infrastructure ×6Robotics ×6SaaS ×6Biotech ×4
HQs:United States×13
Who they back
founder profiles across 10 portfolio companiesFounding team size:solo founder×62 founders×33 founders×1
Investments · 52 tracked
founders shown can be your intro pathBy year:2026 · 42024 · 12023 · 22019 · 18 dated
Anomaly develops functional ingredients through advanced fermentation, engineering microbes to convert simple sugars into ingredients for nutrition, crop protection, and personal care.
BiotechFoodTechNew MaterialsSan Francisco, US
Principia Labs is a research lab that trains its own models from scratch to perform original mathematical and scientific reasoning.
AI & Machine LearningDeep TechSan Francisco, US
Co-investorsAlign
Exploring new forms of personal identity on the web
San Francisco, US
Cora Kyler(Executive Officer, Director)Alena Titova(Executive Officer, Director)
Board seatPamela Vagata· per SEC Form D
Adaptive provides AI agents that handle recurring and one-off business tasks such as sales follow-up, marketing campaigns, customer lifecycle work, market research, and building small websites and apps.
AI & Machine LearningFuture of WorkSaaS
Co-investorsCommunitas Capital PartnersFelicis Ventures
End-to-end app creation for non-developers
Cognee provides a memory layer for AI coding agents and other AI applications, capturing context and turning it into graph-based memory that agents can recall across sessions.
AI & Machine LearningData & InfrastructureDeveloper Tools
Co-investors42CAPVermilion Cliffs Ventures
Aneta operates an email-based AI research service that runs 15 specialized agents across academic, market, technical, and legal sources for days to produce long, citation-backed research reports.
AI & Machine LearningEnterprise SoftwareSaaS
Co-investorsAndera PartnersBGVForbionFountain Healthcare PartnersHTGFPMV+2 more
AI-powered voice synthesis for video creators
Cosmos is a unified AI agents platform that enables enterprise development teams to automate software development workflows at scale, improving engineering throughput and reducing time-to-merge through intelligent agent coordination and codebase understanding.
AI & Machine LearningDeveloper ToolsEnterprise SoftwarePalo Alto, US
Guy Gur-Ari(Founder)
Co-investorsEvolution Equity PartnersEvolution VC PartnersGlynn Capital ManagementIndex VenturesOperator CollectiveSV Angel+3 more
Build develops agentic AI systems to automate mission-critical services in institutional real estate development and construction, helping organizations accelerate project delivery from concept to completion.
AI & Machine LearningConstruction TechEnterprise SoftwarePropTechNew York, US
James Stirrat-Ellis(CEO)Ben McClusky(CTO)inJames Stirrat(CEO)in
Co-investorsIndex VenturesEntrepreneur FirstTranspose Platform Management
Built provides a cloud-based platform that connects capital, data, and workflows for real estate finance, enabling lenders, owners, developers, and contractors to fund, manage, and build projects with visibility and control across the entire lifecycle from origination to asset management.
AI & Machine LearningConstruction TechEnterprise SoftwareFintechPropTechSaaSNashville, US
Chase Gilbert(CEO)
Co-investorsCanapi VenturesCRV (Charles River Ventures)Fifth WallHDS CapitalIndex VenturesNyca+8 more
Cedana provides infrastructure software that automatically checkpoints, migrates, and resumes GPU jobs across instances to improve throughput, reliability, and performance.
AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareNew York City, US
Neel Master(Founder)inNiranjan Ravichandra(Founder)in
Co-investorsWayfinder VenturesY Combinator
Memory infrastructure for AI agents
Document infrastructure for workflow automation
Dylibso builds developer tooling and infrastructure that helps engineering teams run WebAssembly in production.
Co-investorsFelicis Venturesboldstart venturesCrew Capital
WebAssembly infrastructure and developer tools for plugin systems
Co-investorsboldstart venturesFelicis VenturesSierra Ventures
AI-powered assistants for SMBs
Co-investorsCade VenturesJumpStart Equity
AI-enabled proactive concussion care via telehealth
Kepler builds an AI platform that separates language interpretation from deterministic data retrieval and computation so every answer is traceable to a verified source, aimed at finance professionals in investment banking, equity research, hedge funds, private equity, compliance, and accounting.
AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechNew York, US
Vinoo Ganesh(Founder)inJohn McRaven(Founder)
Co-investorsMantis CapitalCanaan PartnersCostanoa VenturesIA VenturesTribe Capital
Krea.ai is a creative AI platform that generates, enhances, and edits images, videos, and 3D meshes.
AI & Machine LearningCreator Economy
Co-investorsA*Abstract VenturesAndreessen HorowitzGradient VenturesBain Capital Ventures
Lemurian Labs develops Tachyon, a software stack that runs AI workloads on any hardware and cloud while matching or exceeding the performance of hand-tuned kernels.
AI & Machine LearningDeep TechDeveloper Tools
Jay Dawani(Founder & CEO)in
Co-investors1Flourish CapitalBlackhorn Venturesfutureland venturesGood Growth CapitalMistral Venture PartnersOrigin Ventures+11 more
Logical Intelligence is developing an energy-based AI model aimed at generating verified code for critical systems across industries.
AI & Machine LearningDeep TechDeveloper Tools
Eve Bodnia(Founder & Chief Executive Officer)
BoardYann LeCun(Founding Chair, Technical Research Board)
Co-investorsMoth Fund
Markov Robotics develops zero-shot general-purpose dexterity for robots, using a world-model policy that conditions on modalities such as pressure and proprioception for closed-loop control.
AI & Machine LearningDeep TechRobotics
Northflank is a developer platform for deploying and running application workloads across cloud providers (AWS, Azure, Google) and bare-metal without infrastructure management or vendor lock-in.
Cloud ComputingData & InfrastructureDeveloper ToolsSaaS
Will Stewart(Co-founder & CEO)inFrederik Brix(Co-founder & CTO)
Co-investorsKindred VenturesVertex VenturesBain Capital VenturesTapestry VCUncorrelated Ventures
Ona provides secure cloud workspaces for running AI coding agents, giving each agent a full cloud development environment with network access, permissions, and runtime controls.
AI & Machine LearningCloud ComputingDeveloper Tools
Co-investorsBright Pixel CapitalCrane Venture PartnersPreston-Werner VenturesAlta Life SciencesColumbus Venture PartnersKorys+1 more
Jan Liphardt(Founder)in
Co-investorsCoinbase VenturesDigital Currency GroupFactionPantera Capital
Operating system and coordination layer for intelligent robots
Jan Liphardt(Founder)in
Co-investorsCoinbase VenturesPantera Capital
Orbit works on complex problems in neuroscience.
BiotechDeep Tech
Co-investorsDune Ventures
Whole-genome sequencing for IVF embryos
Orchid offers whole genome sequencing-based genetic screening of embryos during IVF as well as preconception testing for couples, analyzing DNA to identify predispositions to monogenic diseases, chromosomal abnormalities, and polygenic risks.
BiotechDigital HealthFemTechSan Francisco, US
Alexandra Meyer(President and Chief Executive Officer of Issuer)
BoardEmily Anhalt(Director of Issuer)
Co-investorsBalaji SrinivasanCarnrite VenturesHartmann CapitalRefactor Capital
End-to-end infrastructure for fine-tuning and inference
Oxen.ai provides a platform for creating and managing digital assets, including videos and images, with integrated generative AI capabilities and model fine-tuning for visual style customization.
AI & Machine LearningCreator Economy
Co-investorsAbstraction CapitalBeat VenturesRackhouse Venture Management LpRitual Capital
Qernel Technologies builds full-stack autonomous computing systems, working on efficient cryptography and technology aimed at accelerating fault-tolerant quantum computers.
CybersecurityDeep TechQuantum ComputingSan Francisco, US
Co-investorsMaC Venture Capital
End-to-end risk management technology for DeFi
Co-investorsMoreVCParaFi CapitalIndex VenturesPuzzle VenturesTiny Supercomputer Investment Company
Resonate is an open-source (Apache 2.0) implementation of the Distributed Async Await / durable execution protocol, letting developers write ordinary async functions that run reliably with retries, timeouts, and crash recovery handled automatically.
Cloud ComputingData & InfrastructureDeveloper Tools
Co-investorsMoth FundGreycroft PartnersInovia CapitalZmc
Science Corporation develops brain-computer interface and neural engineering technology to restore vision, cognition, and mobility to patients with debilitating conditions.
AI & Machine LearningBiotechDeep TechDigital HealthMedical DevicesAlameda, US
Max Hodak(Chief Executive Officer)
Co-investorsage1Artis VenturesAvalanche VCBeyond CapitalConversion CapitalDuke Capital Partners+8 more
Select Star offers an automated data catalog that lets teams search, document, and understand their data assets, with features like a business glossary, data lineage, popularity metrics, and entity relationships.
AI & Machine LearningData & InfrastructureEnterprise SoftwareSaaSSan Francisco, US
SHINJI KIM(Executive Officer, Director, Promoter)
Co-investorsBackbone AngelsBowery CapitalCardinia VenturesData TechSozo VenturesLightspeed Venture Partners
Spectral Labs builds foundation models with spatial intelligence to design and reason about physical systems for engineering and manufacturing applications.
Advanced ManufacturingAI & Machine LearningDeep TechSan Francisco, US
Co-investorsMythos Ventures Management, Llc
Spatial intelligence for engineering physical systems
Tau Robotics develops a general AI for robots that learn autonomously in the real world with minimal human supervision.
AI & Machine LearningDeep TechRobotics
The Ocean Company builds dual-domain systems for coastal ecosystem restoration and maritime infrastructure security.
CleantechClimate TechDefense TechRobotics
Colm O'Brien(Founder)in
Co-investorsAndreessen HorowitzBooz Allen VenturesLowercarbon CapitalGenius VenturesHarpoon VenturesReGen Ventures+1 more
Ulysses builds dual-domain systems for maritime applications, including restoring coastal ecosystems and securing critical maritime infrastructure.
Climate TechDeep TechDefense TechRobotics
Co-investorsAndreessen HorowitzBooz Allen VenturesGenius VenturesHarpoon VenturesLowercarbon CapitalReGen Ventures+1 more
VIDOC is an autonomous, agentic security engineer that reviews every pull request to identify, verify, and patch code vulnerabilities, using public LLMs in a coding agent to detect real exploitable bugs.
AI & Machine LearningCybersecurityDeveloper Tools
Co-investors500 Emerging EuropebValue Venture CapitalEBRD Venture Capital Investment Programme
ZeroMatter is building a scalable simulation platform with extensible tooling aimed at making simulation more accessible for solving real-world problems.
AI & Machine LearningDeep TechRoboticsSaaS
Ian Glow(Founder)in
Co-investorsCatapult VenturesSpark CapitalAE Industrial PartnersMana Ventures
Portfolio news
latest coverage across their companiesOrbit · en.wowtale.net · Aug 22, 2026
Adaptive · geekwire.com · Aug 18, 2026
Kepler · marketscreener.com · Aug 17, 2026
Tau Robotics · cbsnews.com · Aug 11, 2026
Mr · threads.com · Jul 31, 2026
Redefine · theaiinsider.tech · Jul 17, 2026
Build · theaiinsider.tech · Jul 17, 2026
Ulysses · alleycorp.substack.com · Jul 15, 2026
Frequently asked questions
- How many investments has Pebblebed made?
- Pebblebed has 42 tracked investments, including 1 dated in the last 24 months.
- What stage does Pebblebed invest at?
- Pebblebed invests at the Pre-Seed, Seed, Series A stages.
- What is Pebblebed's typical check size?
- Pebblebed typically writes checks of $2M – $6M.
- What sectors does Pebblebed focus on?
- Pebblebed focuses on AI & Machine Learning, Data & Infrastructure, Deep Tech, Sector Agnostic.
- Where is Pebblebed located?
- Pebblebed is headquartered in San Francisco, US.
- Does Pebblebed lead rounds?
- Yes, Pebblebed leads investment rounds.
- Who does Pebblebed co-invest with?
- Pebblebed most often shares deals with Moth Fund, Index Ventures, Transpose Platform Management, among 65 tracked co-investors.
Media · Podcasts & interviews
featuring the teamThe role of CDEs in Generative AI - Pamela Vagata (Pebblebed) & Mike Brevoort (Gitpod)
Gitpod · Pamela Vagata
Pebblebed with Keith Adams
Software Engineering Daily · Keith Adams
#23 Quantifying Quality - (Pebblebed) Keith Adams | Slush 2022
Slush · Keith Adams
Co-investors · 5
Alumni Ventures (AV) is a venture capital firm that co-invests alongside lead VCs in startups, backing founders with capital and access to a large investor and operator community.
HOF Capital is a New York-based venture capital firm investing in companies transforming foundational industries through advanced software and AI.
South Park Commons is a community and early-stage fund supporting talented founders and technologists exploring what to build, offering a residency program and first-check funding.
ZhenFund is a China-based early-stage venture capital firm that backs entrepreneurs and runs founder programs, including summer grants, an entrepreneurship residency, campus startup series, and generative AI hackathons.
Firms observed investing alongside Pebblebed, from public investor directories. Shared companies are the overlap with Pebblebed's recorded portfolio.
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