Fundraising FoxRedbud Trail Group
Venture capitalPre-Seed–Late Stage · 2 people tracked
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Investment thesis
Redbud Trail Group invests in what it considers the most promising AI companies with the potential to reach billion-dollar scale. The firm draws on its partners' backgrounds as founders and operators to support businesses across stages from pre-seed through pre-IPO. Its portfolio spans applied AI, cybersecurity, infrastructure, and defense, including code intelligence, accounting automation, training data, identity, semiconductor and data-center infrastructure, AI compute hardware, satellite connectivity, counter-drone systems, and defense manufacturing.
Source: firm website, verified Oct 2, 2026.
Team · 2 people
from public directories
What they invest in
from 22 of 23 portfolio companiesAI & Machine Learning ×17Enterprise Software ×11Advanced Manufacturing ×8Hardware ×7Robotics ×4SaaS ×4Cybersecurity ×3Cleantech ×2
HQs:United States×19United Kingdom×2Singapore×1
Who they back
founder profiles across 19 portfolio companiesFounding team size:solo founder×32 founders×123 founders×34+ founders×1
Where their founders studiedfrom 34 founders with education data
University of Maryland ×3Cranfield University ×2Massachusetts Institute of Technology ×2New York University ×2University of California, Berkeley ×2University of California, Riverside ×2University of Cambridge ×2
What their founders studiedfrom 34 founders with field-of-study data
Computer Science ×18Engineering ×12Mathematics & Statistics ×5Business & Management ×4Humanities ×2
Where their founders worked beforefrom 33 founders with career history
Gap Inc. ×3Bioastronautics and Life Support Systems (BLiSS) ×2Clumio ×2Draper ×2Microsoft ×2Morgan Stanley ×2Reducto ×2
Accelerator rootsportfolio companies that came through a program
4 founders hold a PhD · 1 hold an MBA (of 36 with degree data)
Investments · 23 tracked
founders shown can be your intro path
9 Mothers builds counter-drone defense systems that enable rapid deployment of point defense at infantry-mobile scale.
Advanced ManufacturingAI & Machine LearningDefense TechHardwareIoTAustin, US
Russell Smith(Founder / CEO)inRoman Khomenko(Founder)inBogdan Pyzh(Co-Founder, COO)in
Co-investorsY CombinatorDaft CapitalPioneerSterling RoadStreamlined VenturesTheory Forge Ventures
Aerogen Systems develops point-of-use contamination control for semiconductor manufacturing, using a modular reactor that chemically destroys airborne molecular contamination where wafers sit exposed.
Advanced ManufacturingDeep TechHardwareSemiconductorsAnn Arbor, US
Colin Lavery(Founder)inNoah Vogel(Founder)in
Co-investorsID VenturesY Combinator57O InvestmentsCaffeinated CapitalInvest DetroitMaC Venture Capital+3 more
Akon Labs builds GitNexus, a code-intelligence tool that parses codebases with Tree-sitter to construct a precomputed knowledge graph of resolved imports, call chains, and type relationships, enabling AI coding agents to query execution flows and impact across single and multiple repositories.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Subham Kundu(Founder)in
Co-investorsVela PartnersY Combinator
Billow is an AI/ML platform designed for regulated industries.
AI & Machine LearningEnterprise SoftwareFintechSan Francisco, US
Joanathan McIntosh(CEO, Co-Founder)inPhilip Moniaga(CTO, Co-Founder)in
Co-investorsVela PartnersY CombinatorFounders FactoryGustoHassan Lantry (Blast)Multifaceted Capital+2 more
C1 provides an AI-native identity security platform for enterprises to manage and secure human, non-human, and AI identities at scale.
AI & Machine LearningCybersecurityEnterprise SoftwareSan Francisco, US
Alexander Bovee(Executive Officer, Director)Paul Querna(Founder)in
BoardMarcie Vu(Director)inPing Li(Director)in
Co-investorsAccelAlumni VenturesBasic CapitalFelicis VenturesGaruda VenturesGlynn Capital Management+10 more
Datoric sources and licenses ethically obtained voice, video, and multimodal training data for frontier AI development, working directly with consented, compensated contributors such as native speakers and domain experts.
AI & Machine LearningData & InfrastructureEnterprise SoftwareRoboticsSan Francisco, US
Nikhil Reddy(Founder)inJeffrey Lin(Founder)in
Co-investorsVela PartnersY CombinatorActive CapitalComposite VenturesFormus CapitalFounder Capital+11 more
Erinys launches and operates AI-native law firms, providing lawyers with the software, support staff, back office, billing, compliance, working capital and growth infrastructure needed to run a turnkey firm.
AI & Machine LearningEnterprise SoftwareLegalTechSaaSSan Francisco, US
Jason Guo(Founder)inMatthew Pallan(Founder)inSasha Zyuzin(Founder)in
Co-investorsVela PartnersY CombinatorDTA Capital Advisors, LLCTwenty Two Ventures
Exosat designs and builds low-Earth-orbit satellite constellations for sovereign operators, offering direct-to-cell, IoT, and broadband connectivity.
Advanced ManufacturingAI & Machine LearningHardwareIoTSpace TechSingapore, SG
Co-investorsTranspose Platform ManagementY Combinator007 Venture Partners57O InvestmentsAgrolimen VenturesAndreessen Horowitz+33 more
Greypoint Industries manufactures affordable autonomous interceptor systems designed to counter drone swarm attacks, offering military forces a cost-effective defensive solution that can be deployed and operated by soldiers.
Advanced ManufacturingHardwareRoboticsSan Francisco, US
Darcy Zhang(Co-Founder, CEO)inNic Chu(Co-Founder, COO)inJordan Khoo(Co-Founder, CTO)inSteven Xu(Co-Founder)in
Co-investorsY CombinatorAlex LeePioneer
GUILD operates as a defense contractor that manufactures aerospace components while using AI systems to connect and optimize the contracting, manufacturing, and delivery process across requirements, pricing, supplier management, and compliance.
Advanced ManufacturingAI & Machine LearningNew York City, US
Kaya Celebi(Founder)inErim Gurlemis(Founder)in
Co-investorsY CombinatorLyra Capital Pty LtdMyAsiaVCPioneerRebel FundTwenty Two Ventures
Harbinger Motors designs and manufactures electric vehicles built on medium-duty platforms for commercial and industrial transportation.
CleantechHardwareMobility & TransportationGarden Grove, US
John Harris(Chief Executive Officer & CoFounder)inPhillip Weicker(Executive Officer, Director, Promoter)inBenjamin Dusastre(Executive Officer)Ryan Clinton(Director)inWilliam Eberts(Executive Officer, Director, Promoter)
BoardGilbert Passin(Director)
Co-investorsAcequia Capital (AceCap)ATEL VenturesCarbonGreycroftGround Up VenturesIn-Q-Tel+13 more
hiloop provides snapshottable, forkable compute infrastructure with built-in observability for AI agents that propose, run, and verify experiments (autoresearch).
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US
Karan Brar(Founder/CEO)inThomas Boser(Founder/CTO)in
Co-investorsTranspose Platform ManagementVela PartnersY CombinatorAndreessen HorowitzAV CapitalBoxGroup+11 more
Lamb Labs develops custom silicon chips and a post-training technique that converts existing language models to a diffusion-based architecture for faster AI inference at lower power.
AI & Machine LearningEnterprise SoftwareHardwareLondon, GB
Niki Kotecha(Founder)inThomas Lanning(Founder)in
Co-investorsStreamlined VenturesTranspose Platform ManagementVela PartnersY CombinatorCRV (Charles River Ventures)DTA Capital Advisors, LLC+12 more
Justinian is an AI company that develops government affairs software to help companies monitor regulations, lobby policymakers, and win government contracts.
AI & Machine LearningEnterprise SoftwareGovTechSan Francisco, US
Parth Badhwar(Founder)in
Co-investorsY CombinatorAgrolimen VenturesPioneerRebel FundStarbridge Venture Capital Llc
Locke builds AI agents that help companies and governments interact, powering an AI-native government affairs firm.
AI & Machine LearningGovTechSan Francisco, US
Co-investorsY CombinatorTranspose Platform ManagementVela Partners
Marengo uses AI to automate engineering design for data centers, aiming to speed up and reduce the cost of the design process.
Advanced ManufacturingAI & Machine LearningEnergySan Francisco, US
Emil Ares(Founder)inGad Marconi(Founder)in
Co-investorsTranspose Platform ManagementY CombinatorAndreessen HorowitzFounders FactoryItalian Founders FundLyra Capital Pty Ltd+5 more
Marker embeds with client companies to build custom AI agents on its Marker Command Center platform, aiming to move organizations toward AI-native operations.
AI & Machine LearningEnterprise SoftwareFuture of WorkSaaSSan Francisco, US
Richard Berwick(Founder)inWill Drevno(Founder)inDavid Pastewka(Founder)in
Co-investorsY CombinatorVela PartnersBetaworksCCL Investments SaRLFounders FactoryHassan Lantry (Blast)+4 more
Mass Magnetics manufactures high-performance neodymium-iron-boron rare-earth magnets in the United States from recycled and domestic feedstocks, using a rapid sintering process and machine learning to sort scrap by grade and chemistry.
Advanced ManufacturingCircular EconomyNew MaterialsRoboticsBoston, US
Matthew Groll(Founder)inEric Silver(Founder)in
Co-investorsY CombinatorAcephale VenturesAndreessen HorowitzDoomers Media LLCFounders FactoryInvestorX+10 more
Nebula Security uses AI-driven security pipelines to accelerate vulnerability research in widely used software such as operating systems, browsers, and applications.
AI & Machine LearningCybersecurityEnterprise SoftwareVancouver, US
Eten Zou(Founder/CEO)inYuan Tan(Founder/CTO)inFrank Wu(Founder/Security Research Lead)inXiaochuan Yu(Founder/VP of Vulnerability Research)in
Co-investorsVela PartnersY Combinator2468 VenturesAera VCAngel Operator Partners (aop)C Square Capital+10 more
Pacific builds modular, containerized supercomputers ("pods") that deploy onto stalled construction sites with existing grid connections to provide AI compute infrastructure.
Advanced ManufacturingAI & Machine LearningCleantechFintechHardwareRoboticsLondon, GB
Harper Dammann Smith(Founder)in
Co-investorsY CombinatorAcephale VenturesGaingelsHassan Lantry (Blast)Rebel FundWSS
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RonanRx offers personalized GLP-1 weight-management care delivered via text, where a licensed physician reviews a patient's history to set an individualized dose, titration schedule, and patient-specific adjunct, and a licensed pharmacist at the patient's selected pharmacy verifies and releases compounded, patient-specific prescriptions.
Digital HealthHealthtechWellness & FitnessSan Francisco, US
Lloyd Armbrust(Founder)inEmily Colman(Founder)in
Co-investorsY Combinator468 CapitalActive CapitalAgrolimen VenturesBatch VenturesFundersClub+13 more
Traceforce is an on-device security platform that monitors and controls AI applications, desktop apps, CLI agents, and MCP (Model Context Protocol) connectors across an organization's device fleet, tracking tool calls and blocking dangerous actions in real time.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaSSan Francisco, US
Xia Hua(Founder)inVarun Wadhwa(Founder)in
Co-investorsVela PartnersY CombinatorAgrolimen VenturesFounders Factory
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Greypointindustries
Portfolio news
latest coverage across their companiesMarker · ycombinator.com · Aug 19, 2026
Aerogen Systems · ycombinator.com · Aug 18, 2026
Mass Magnetics · ycombinator.com · Aug 18, 2026
Akon Labs · ycombinator.com · Aug 17, 2026
Marengo · ycombinator.com · Aug 12, 2026
Exosat · ycombinator.com · Aug 10, 2026
Erinys · ycombinator.com · Aug 10, 2026
Lamb Labs · ycombinator.com · Aug 3, 2026
Frequently asked questions
- How many investments has Redbud Trail Group made?
- Redbud Trail Group has 23 tracked investments.
- What stage does Redbud Trail Group invest at?
- Redbud Trail Group invests at the Pre-Seed, Seed, Series A, Series B, Series C, Growth, Late Stage stages.
- What sectors does Redbud Trail Group focus on?
- Redbud Trail Group focuses on Advanced Manufacturing, AI & Machine Learning, Cybersecurity, Deep Tech, Defense Tech, Digital Health, Enterprise Software, Fintech, GovTech, Hardware, Healthtech, LegalTech, Mobility & Transportation, Robotics, Semiconductors, Space Tech.
- Who does Redbud Trail Group co-invest with?
- Redbud Trail Group most often shares deals with Y Combinator, Vela Partners, Transpose Platform Management, among 32 tracked co-investors.
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