San Francisco · Pre-Seed–Series B · 4 people tracked
Also known as CANTOS VENTURES, LLC
Investment thesis
Cantos backs 'legends in the making'—exceptional, relentless founders building hard technology aimed at three goals: Abundance (shelter, food, water, energy, health, intelligence, financial security), Resilience (critical infrastructure like the electrical grid, communications, transportation, and the planet's ecosystem), and Advantage (strengthening the competitiveness of the United States and its democratic allies in advanced civilian and military technologies, manufactured goods, and critical resources). The firm invests at the earliest stages—typically pre-seed and seed—outside Silicon Valley's comfort zone, emphasizing that direction and what is built matter as much as speed.
Source: firm website, verified Aug 25, 2026.
Team · 4 people
from the firm's website
Founder mafia
2 people who came through Cantos Ventures went on to found or lead other companies.
What they invest in
from 41 of 56 portfolio companiesDeep Tech ×16Biotech ×13Hardware ×13Advanced Manufacturing ×12AI & Machine Learning ×12Cleantech ×12Climate Tech ×12Defense Tech ×7
HQs:United States×32Canada×1United Kingdom×1
Who they back
founder profiles across 21 portfolio companiesFounding team size:solo founder×102 founders×73 founders×4
Where their founders studiedfrom 21 founders with education data
Stanford University ×3Cornell University ×2Harvard University ×2Massachusetts Institute of Technology ×2
Where their founders worked beforefrom 20 founders with career history
SpaceX ×3Stanford University ×3University of Delaware ×2
Accelerator rootsportfolio companies that came through a program
13 founders hold a PhD · 2 hold an MBA (of 22 with degree data)
Investments · 56 tracked
founders shown can be your intro pathBy year:2025 · 32024 · 32023 · 22022 · 32021 · 12018 · 12015 · 114 dated
Faeth Therapeutics is a clinical-stage oncology company developing therapies that inhibit multiple nodes of the PI3K/AKT/mTOR (PAM) pathway.
BiotechHealthtechAustin, US
Anand Parikh(Executive Officer, Director, Promoter)Oliver Maddocks(Executive Officer, Director)
BoardAlex Morgan(Director)inJayson Dallas(Director)Robert Gould(Director)Stephen Hahn(Director)
Co-investorsAble PartnersAtacama VenturesCota CapitalFuture VenturesiSelect FundS2G Investments+4 more
Phenomic AI is a biotech company developing therapies for solid tumors using a machine-learning-powered transcriptomics platform that analyzes single-cell RNA data to identify drug targets and understand tumor biology.
AI & Machine LearningBiotechDeep TechToronto, CA
Sam Cooper(Co-founder & CTO)Oren Kraus(Co-founder)
Co-investorsAV8 VenturesCTI Life Sciences Fund L.P.Garage CapitalHemi Ventures, LlcToronto Innovation Acceleration PartnersHike Ventures+1 more
Denver, US
William L. Kowalski(Executive Officer, Director)Vanessa J. Clark(Executive Officer, Director)Keller Seamons(Director)
Board seatIan Rountree· per SEC Form D · $20M raise · filed Jan 2023
Earth AI uses AI to locate critical mineral deposits by analyzing geological data, supporting the supply chain for hardware and emerging technologies.
Advanced ManufacturingAI & Machine LearningClimate TechDeep TechNew MaterialsSan Francisco, US
Roman Teslyuk(Founder)in
BoardMikhail Taver(Director)Jamie Lee(Director)inIsabella Sykes(Director)Arnoud Balhuizen(Director)
Board seatIan Rountree· per SEC Form D
Co-investorsAirTree VenturesAlpaca VCBlackbird VenturesCorigin VenturesDCVC (Data Collective)Deep Acre+12 more
Aizon provides data solutions that help organizations analyze historical information and make informed decisions about future outcomes.
AI & Machine LearningBiotechData & InfrastructureSaaS
Pep Gubauin
Co-investors500 GlobalAtlantic Bridge VenturesCrosslink CapitalFundersClubLa FamigliaUncork Capital+4 more
Andean develops sustainable extraction of critical metals and offers recycling of electronic waste and industrial scrap.
Circular EconomyCleantechNew Materials
Co-investorsCarya Venture PartnersLink Ventures
Apex manufactures productized satellite bus platforms at scale for constellation deployment and critical missions.
Advanced ManufacturingDefense TechHardwareSpace TechLos Angeles, US
Ian Cinnamon(Co-Founder & Chief Executive Officer)inMax Benassi(Co-Founder & Chief Technology Officer)in
Co-investorsAndreessen HorowitzBalerion Space VenturesCRV (Charles River Ventures)Embedded VenturesGlynn Capital ManagementJ2 Ventures+11 more
Arbor develops power systems intended to provide reliable, emissions-free baseload power at large scale.
CleantechClimate TechEnergyLos Angeles, US
Brad Hartwig(Founder)in
Co-investorsCongruent VenturesGigascale CapitalVoyager Partners645 VenturesChaac VenturesComma Capital+2 more
Astranis manufactures small, high-powered geosynchronous satellites equipped with advanced digital processing technology for global telecommunications and connectivity services.
Advanced ManufacturingDeep TechHardwareSpace TechSan Francisco, US
John Gedmark(Founder/CEO)inRyan McLinko(Founder/CTO)in
Co-investorsAndreessen HorowitzBlack FlagBoxGroupCherubic VenturesCommonweal VenturesCrunchFund+37 more
Atom Computing develops large-scale quantum computers using optically-trapped neutral atoms for on-premises deployment.
Deep TechHardwareQuantum ComputingBerkeley, US
Ben Bloom(Founder & CEO)in
BoardDror Berman(Director)inEthan Batraski(Director)in
Co-investorsAbstract VenturesBerkeley FrontierBlue Ivy VenturesBoxGroupCaruso VenturesCisco Investments+15 more
Denver, US
Co-investorsMatchstick VenturesPure VenturesTechstarsUrania VenturesDolby Family VenturesStout Street Capital
Bedrock Energy develops drilling technology and data algorithms for designing and installing geothermal borehole fields used for building heating and cooling.
CleantechClimate TechEnergyLos Angeles, US
Silviu Livescu(Executive Officer)inJoselyn Lai(Executive Officer, Director)inJoel Wishkovsky(Executive Officer, Director)
BoardPaul Straub(Director)in
Co-investorsEnergy Impact PartnersFirst Star VenturesTitanium VenturesToba CapitalWireframe VenturesClimate Capital+4 more
Cache Energy provides thermal energy storage systems that use thermo-chemical technology to store heat at 1,000°F for dispatch periods ranging from 1 to 1,000 hours, serving industrial and commercial customers needing long-term energy storage and heat electrification.
CleantechEnergyHardware
Co-investorsEvergreen Climate InnovationsUnshackled VenturesVoyager Partners
Castelion develops advanced strike systems and defense hardware with a focus on rapid iteration and scalable manufacturing to reduce costs and development timelines for U.S. defense applications.
Advanced ManufacturingDefense TechHardwareTorrance, US
Bryon Hargis(Co-Founder & CEO)inSean Pitt(Co-Founder & COO)Andrew Kreitz(Co-Founder & CFO)Charles Bryon Hargis(Executive Officer, Director, Promoter)Sean Tucker Orion Pitt(Executive Officer, Director, Promoter)Andrew Jonathan Kreitz(Executive Officer, Director, Promoter)
Co-investors7percent VenturesAndreessen HorowitzAngel Collective Opportunity FundAvenir Growth CapitalBlueYard CapitalChampion Hill Ventures+9 more
Biomemory develops DNA-based data storage systems for data centers, offering an alternative storage tier optimized for long-term archival, density, and energy efficiency.
Climate TechData & InfrastructureDeep Tech
Co-investorsCivilization Ventures Management, LlcFifty YearsHemisphere Ventures LLCNew Enterprise Associates (NEA)Prefix CapitalZ Venture Capital+3 more
Character Bio is a precision medicine company that integrates genomics, longitudinal clinical data, imaging, and AI-based biomarker analysis to identify genetic drivers of progressive polygenic eye diseases such as age-related macular degeneration and glaucoma.
AI & Machine LearningBiotechDigital HealthJersey City, US
Cheng Zhang(Executive Officer, Director)
BoardVivek Garipalli(Director)Nick Olsen(Director)Peter DiLaura(Director)
Co-investorsaMoonCatalio Capital Management, LPDuke Capital PartnersLifeforce CapitalSanofi VenturesCatalio Capital Management+3 more
Curie develops eco-friendly ingredients at the intersection of chemistry and biology as alternatives to legacy chemicals for consumer products.
BiotechCircular EconomyNew Materials
Co-investorsHorizons VenturesJoyance PartnersSocial Starts
Debut applies AI and biotechnology to discover and formulate cosmetic ingredients and beauty products, decoding skin and hair at the genomic level to create novel actives.
AI & Machine LearningBiotechConsumerSan Diego, US
Joshua Britton(Founder)
Co-investorsGS FuturesMaterial ImpactBreakout VenturesKdT VenturesSandbox IndustriesACVC Partners+8 more
Dusty Robotics builds the FieldPrinter, a mobile robot that automates layout and marking tasks on construction job sites.
Construction TechHardwareRoboticsMountain View, US
Tessa Lau(Executive Officer, Director, Promoter)inPhilipp Herget(Director, Promoter)
BoardAvidan Ross(Director)Richard Boyle(Director)in
Co-investorsCanaan PartnersGRIDS CapitalHumba VenturesNextGen Venture PartnersRoot Ventures Manager, LlcScale Venture Partners+1 more
Fleetzero designs and retrofits commercial vessels with battery-electric propulsion systems to decarbonize ocean shipping.
Advanced ManufacturingCleantechClimate TechEnergyHardwareHouston, US
Steven Henderson(Founder)inMike Carter(Founder)inSteven H(Founder)
Co-investorsObvious VenturesBreakthrough Energy VenturesDarco CapitalMaersk GrowthY Combinator8090 Industries+1 more
Furno (Furno Materials) is developing modular, energy-efficient cement plants that produce ASTM-certified clinker locally using oxyfuel combustion and machine learning for combustion optimization.
CleantechClimate TechNew MaterialsMountain View, US
Gurinder Nagra(Executive Officer, Director)Gurinder(Founder)David McColl(Director)Joel Moxley(Director)
BoardVictor Pascucci III(Director)
Co-investorsEnergy Capital VenturesNeotribe Ventures
Glyphic Biotechnologies develops ProSE™, a high-throughput de novo protein sequencing technology for analyzing proteomes with single-molecule sensitivity.
BiotechDeep TechBerkeley, US
Joshua Yang(Founder & CEO)Daniel Estandian(Founder)Ed Boyden(Founder)Josh Yang(Founder)in
BoardCraig Asher(Director)inJimmy Yun(Director)
Co-investorsArtis VenturesBlack FlagCivilization Ventures Management, LlcFoundersX VenturesLongeVCModi Ventures+3 more
Intramotev develops battery-electric retrofit technology for rail transportation, converting traditional railcars into independently-moving, self-propelled vehicles that reduce operational costs and emissions.
Advanced ManufacturingCleantechHardwareMobility & TransportationSt. Louis, US
Timothy Luchini(Executive Officer, Director, Promoter)inAlex Peiffer(Founder)Corey Vasel(Executive Officer, Promoter)Alexander J. Peiffer(Executive Officer, Director, Promoter)
BoardPalmer Anna(Director)Aubrie Pagano(Director)in
Co-investorsAdvantage Capital PartnersAera VCAlpaca VCCorigin VenturesDecisive PointFlybridge Capital Partners+5 more
Limelight Steel reimagines iron and steelmaking through new industrial technology approaches.
Advanced ManufacturingClimate TechDeep Tech
Co-investorsCollaborative FundSocial Impact CapitalVoyager Partners
Mission Barns produces cultivated meat products, primarily pork-based items like meatballs, bacon, and sausages, combining lab-grown pork fat with plant protein for consumers seeking sustainable alternatives to conventional meat.
Climate TechFoodTechBerkeley, US
Ilan Eitan Fischer(Executive Officer, Director)
BoardDavid Bowman(Director)
Co-investorsAir Street CapitalBabel VenturesBetter Ventures Central LlcBloom8Blue Ledge CapitalJoyance Partners+6 more
Modulo is a biotech company focused on the neuroimmune system, developing treatments for brain and central nervous system disorders.
AI & Machine LearningBiotechDeep TechLos Altos, US
Michael Horowitz(Executive Officer, Director)Mike Horowitz(CEO & Co-founder)Justin Ichida(Co-founder)Scott Patterson(CTO & Co-founder)Joe Wagner(Chief Development Officer)
BoardAlda Leu Dennis(Director)
Co-investorsHAWKTAILSpacecadet VenturesBiovergeBuilders VCInitialized CapitalRefactor Capital
MoldCo is a healthcare technology platform that connects patients with mold-trained providers to diagnose and treat mold illness through virtual care, specialized protocols, and home testing available across the United States.
Digital HealthHealthtech
Co-investorsAngel Collective Opportunity FundCollaborative FundHarpoon VenturesMoth FundStarship VenturesSoGal Ventures
Nabla is a drug development company that applies design discipline and scientific rigor to the development of new medicines.
AI & Machine LearningBiotechDeep TechHealthtechBoston, US
Surge Biswas(Founder)inFrances Anastassacos(Founder)in
Co-investorsFifty YearsPillar VCRadical VenturesY CombinatorZetta Venture PartnersBoom Capital Ventures+1 more
Neros manufactures tactical unmanned aerial systems and FPV drones for military use, designed for performance, modularity, and secure supply chain operations.
AI & Machine LearningDefense TechHardwareEl Segundo, US
Co-investorsLong Journey VenturesSequoia CapitalSpaceVCInterlagosMana Ventures
Co-investorsRefactor CapitalSilent Ventures
Pow.Bio develops a high-efficiency continuous fermentation platform for biomanufacturing that enables production of biotech products at lower cost and faster timelines.
BiotechDeep Tech
Shannon Hall(CEO)inOuwei Wang(CTO)
Co-investorsBetter Ventures Central LlcHitachi VenturesiSelect FundJuniperVectors AngelBee Partners+4 more
Prellis Biologics runs an antibody discovery platform that uses two-photon laser-bioprinted human immune organoids combined with machine learning to identify fully human antibody therapeutics.
AI & Machine LearningBiotechDeep TechHayward, US
Melanie Matheu(Executive Officer, Director)Noelle Mullin(Executive Officer, Director)
BoardArvind Gupta(Director)Rohit Sharma(Director)in
Co-investorsBlack Diamond VenturesCivilization Ventures Management, LlcOpen Field CapitalPrefix CapitalCelesta CapitalKhosla Ventures+2 more
Radiant Nuclear develops Kaleidos, a portable nuclear microreactor designed to replace diesel generators for remote locations and provide resilient backup power to hospitals, datacenters, and military installations.
Deep TechEnergyHardwareEl Segundo, US
Doug Bernauer(Founder & CEO)
Co-investorsAcequia Capital (AceCap)Andreessen HorowitzBeyond CapitalCarbonCrosscut VenturesDCVC (Data Collective)+14 more
Remedy Scientific decontaminates and restores environmentally compromised land using automated hardware systems combined with advanced chemistry and AI, and uses sensors to assess pollutants and tailor remediation solutions.
CleantechClimate TechRobotics
Co-investorsFloating PointRefactor Capital
Salient Motion designs and manufactures critical actuation systems for commercial aviation and defense applications.
Advanced ManufacturingDefense TechHardwareSouthern California, US
Vishaal Mali(Chief Executive Officer)
Co-investorsBoeing HorizonX VenturesDns CapitalHummingbird VenturesAndreessen HorowitzBoxGroup
Shinkei deploys robotics and computer vision hardware on commercial fishing vessels to process seafood at sea, improving quality and traceability while reducing America's seafood import reliance.
Advanced ManufacturingAgTechAI & Machine LearningFoodTechHardwareRoboticsLos Angeles, US
Saif Khawaja(Founder)in
Co-investorsDorm RoomGlobal BrainHumba VenturesImpatient VenturesMantis CapitalMARKHAM VALLEY VENTURES+10 more
Sixfold develops RNA delivery technology for the biotech industry.
AI & Machine LearningBiotechDeep TechHealthtechMedical DevicesLondon, GB
George Foot(Founder)inAnna Perdrix Rosell(Founder)inTina Flatau(Director, Promoter)George William Foot(Executive Officer, Director, Promoter)
Co-investorsPi CampusY CombinatorLombardstreet VenturesThe Venture Collective
Skyryse develops SkyOS, a flight-control operating system that simplifies aircraft operation through automated maneuvers, emergency management, and optionally piloted or autonomous flight.
Deep TechDefense TechMobility & TransportationEl Segundo, US
Mark Groden(Founder & CEO)inStephen Koo(Executive Officer, Director)Blake Bilstad(Executive Officer)
BoardLior Susan(Director)Will Summerlin(Director)Ethan Batraski(Director)
Co-investorsCity LightDas & Co.Embedded VenturesFlucas VenturesFontinalis PartnersGamegroove Capital+18 more
SoloPulse develops advanced physics-based and AI-powered systems for threat detection and intelligence gathering, offering SIGMA™ for payload-based situational awareness and NOVA™ for synthetic aperture radar processing across unmanned and satellite platforms.
AI & Machine LearningDeep TechDefense Tech
Co-investorsCrosscut VenturesFirst Spark Ventures, Llc
Solugen develops a biomanufacturing platform using fermentation and bioprocessing technology to produce specialty chemicals at scale.
Advanced ManufacturingBiotechCleantechClimate TechHealthtechHouston, US
Sean Hunt(Founder/CTO)inGaurab Chakrabarti(Founder)in
BoardSeth Bannon(Director)in
Co-investorsFifty YearsFounders FundLowercarbon CapitalY CombinatorBaillie GiffordGIC+22 more
Spaero Bio builds technology for scientists to automate life science experiments that are currently performed by hand.
Co-investorsAcequia Capital (AceCap)AIX VenturesAlleyCorpCompoundSpacecadet VenturesAlley Robotics Ventures+1 more
TLM builds and operates a network of regional sawmills that process timber and strengthen the domestic lumber supply chain.
Advanced ManufacturingAgTechCleantechConstruction Tech
Andrew Arsht(Founder)in
Co-investorsConvective CapitalHumba VenturesLevel VenturesRavelin CapitalSlow Ventures
Twelve transforms CO2 into chemicals, fuels, and materials through carbon transformation technology.
Advanced ManufacturingCleantechClimate TechHealthtechNew MaterialsMoses Lake, US
Nicholas Flanders(Founder & CEO)inEtosha Cave(Founder)inKendra Kuhl(Founder)inAndrew Cleeland(Executive Officer, Director)
BoardMarc-Henri Galletti(Director)Nimesh Shah(Director)
Co-investorsBreakout VenturesDCVC (Data Collective)Dolby Family VenturesFifth WallAdvantage Partners Inc.Aera VC+15 more
Venus Aerospace develops rotating detonation rocket engine (RDRE) technology and a detonation ramjet system for space, defense, and commercial high-speed and hypersonic flight.
Deep TechDefense TechSpace TechTexas, US
Sassie Duggleby(CEO & Co-founder)inAndrew Duggleby(CTO & Co-founder)inSarah "Sassie" Duggleby(Founder)inTom Barron(Chief Operating Officer)Nick Cardwell(Chief Product Officer)inSheila Menz(General Counsel)in
Co-investorsAmerica's Frontier FundDraper AssociatesHalogen Ventures Management Company LlcHelios CapitalMercury FundPrime Movers Lab+8 more
Vital Lyfe makes a portable watermaker called Access that converts any naturally occurring water, including saltwater, into clean drinking water through a three-step process.
CleantechClimate TechConsumerHardwareHawthorne, US
Andrew Harner(Founder)inJon C(Founder)Jon C.(Founder)inCharles Andrew Harner(Executive Officer, Director)Jonathan Criss(Executive Officer, Director)in
BoardAchal Upadhyaya(Director)
Co-investorsGeneral CatalystInterlagos
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Exits · 1
IPOs and acquisitions across the tracked portfolioFaeth TherapeuticsNASDAQ: FTH
Portfolio news
latest coverage across their companies
Castelion · techcrunch.com · Aug 20, 2026
Arbor · mlive.com · Aug 5, 2026
Aizon · fortuneindia.com · Jul 17, 2026
Astranis · thenextweb.com · Jul 16, 2026
Neros · defence-blog.com · Jul 15, 2026
Skyryse · techcrunch.com · Jul 5, 2026
Twelve · startupsunion.com · Jul 2, 2026
Frequently asked questions
- How many investments has Cantos Ventures made?
- Cantos Ventures has 38 tracked investments, including 3 dated in the last 24 months.
- What stage does Cantos Ventures invest at?
- Cantos Ventures invests at the Pre-Seed, Seed, Series A, Series B stages.
- What is Cantos Ventures's typical check size?
- Cantos Ventures typically writes checks of $400K – $1.5M.
- What sectors does Cantos Ventures focus on?
- Cantos Ventures focuses on Advanced Manufacturing, AI & Machine Learning, Biotech, Cleantech, Climate Tech, Deep Tech, Defense Tech, Energy, Hardware, New Materials, Quantum Computing, Robotics, Semiconductors, Space Tech.
- Where is Cantos Ventures located?
- Cantos Ventures is headquartered in San Francisco, US.
- Does Cantos Ventures lead rounds?
- Yes, Cantos Ventures leads investment rounds.
- Who does Cantos Ventures co-invest with?
- Cantos Ventures most often shares deals with Y Combinator, Fifty Years, DCVC (Data Collective), among 182 tracked co-investors.
Media · Podcasts & interviews
featuring the teamVentures #4 w/ Ian Rountree & Amee Kapadia @ Cantos Ventures | BIOS
BIOS · Ian Rountree
Ian Rountree | Cantos Ventures - Retrospective
Peter Saddington · Ian Rountree
Images
Co-investors · 20
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Refactor is a seed-stage venture firm run as a solo capitalist by Zal, backing founders building hard tech companies that address real-world problems.
Venrock is a venture capital firm investing across technology and healthcare, backing companies in fintech, developer infrastructure, life sciences, therapeutics, semiconductors, and consumer products.
Flucas Ventures is a solo GP fund led by Ashley Flucas, who simultaneously serves as COO of Summit Ventures while personally investing in 250-275+ startups and deploying over $75M through a syndicate of 2,000+ LPs in less than two years. The fund operates with true stage, sector, and geography agnosticism while democratizing access to top-tier venture deals by inviting diverse, nontraditional LPs to co-invest alongside marquee firms like Sequoia and Andreessen Horowitz.
Page One Ventures is an early-stage venture capital firm.
Greycroft is a venture capital firm that partners with founders across multiple industries and geographies, investing in software, sustainability, and consumer brands.
645 Ventures is an early-stage venture capital firm that backs exceptional founders at the earliest stages, often pre-product, pre-revenue, and pre-consensus.
Bee Partners is an early-stage venture firm that backs technical founders at inception, before product, revenue, or market recognition. Over 15 years it has invested in nearly 100 companies with a focus on AI, hardware, and deep technology.
FTW Ventures is an early-stage venture firm that backs founders working on innovations across the food system.
Accel is a venture capital firm that partners with exceptional teams, positioning itself as a first partner to founders globally.
Believes that best ideas happen offline. Offline Ventures is Interested in companies that are driven by both profit and purpose while taking great care of the world around them
Dreamers VC is an early-stage venture firm that leverages a global network to connect founders with companies and provide support in high-growth markets.
▶8 more co-investors
Baruch Future VenturesIndustry VenturesEVE AtlasAdvancit CapitalUrban InnovationCreative VenturesTectonic CapitalTachyon Ventures
Firms observed investing alongside Cantos Ventures, from public investor directories. Shared companies are the overlap with Cantos Ventures's recorded portfolio.
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