SOSV
Venture capitalActively deployingNew York · Pre-Seed–Series B · 29 people tracked
Also known as SOSV Decarbonization Consortium · SOSV HAX GENESIS CONSORTIUM · SOSV IndieBio Genesis Consortium · SOSV IndieBio NY · SOSV INTERNATIONAL · SOSV INVESTMENTS LLC · SOSV IRELAND BIOMANUFACTURING
Investment thesis
SOSV positions itself as the most active deep tech pre-seed investor, making roughly 60 first-check investments of up to $550k each year plus around 150 follow-on investments through at least Series B. Founders join General Partner-led teams at labs and offices in San Francisco, New York City, and Newark for intensive support on product development, commercial and regulatory strategy, corporate connections, and fundraising. SOSV operates across the full breadth of deep tech, from physical AI and therapeutics to energy and critical minerals, and backs the theme of 'human and planetary health.' It supports founders with global reach, extensive lab infrastructure, a large co-investor network, and exit-focused programs.
Source: firm website, verified Aug 3, 2026.
Team · 29 people
from the firm's website & public directories
What they invest in
from 30 of 40 portfolio companiesBiotech ×8AgTech ×6Cleantech ×6Healthtech ×6Medical Devices ×6AI & Machine Learning ×4FoodTech ×4Hardware ×4
HQs:United States×25United Kingdom×2Canada×1India×1Japan×1Kenya×1
Investments · 40 tracked
founders shown can be your intro path
LexxPluss develops autonomous mobile robots and infrastructure systems that enable industrial equipment at factories and logistics hubs to operate independently without human direction.
Advanced ManufacturingLogistics & Supply ChainRoboticsTokyo, JP
Masaya Aso(CEO)
FundersClub is a venture capital platform that sources early-stage investment opportunities in seed and series A rounds through direct relationships, referrals, and connections to top incubators and VC firms, offering accredited investors access to vetted startups.
Enterprise SoftwareFintechMarketplacesSaaSSan Francisco, US
AgTechChicago, US
Lucas Frye(Executive Officer, Director, Promoter)Cyril Ebersweiler(Incoming Series Seed Director.)Joseph Varikooty(Executive Officer, Director, Promoter)
Board seatCyril Ebersweiler· per SEC Form D · $2.2M raise · filed Jul 2020
ShipArty builds IoT-enabled temperature-controlled containers and software platform to reduce cold chain spoilage for medicines, vaccines, and other temperature-sensitive products.
HealthtechIoTLogistics & Supply ChainMedical DevicesFremont, US
Hannah Sieber(Executive Officer, Director, Promoter)Sandor Langer(Executive Officer, Director, Promoter)Luisa Sucre(Director)Duncan Turner(Director)
Board seatDuncan Turner· per SEC Form D · $13.4M raise · filed Jul 2023
EIO Diagnostics develops a thermal sensor-based mastitis monitoring system for dairy farmers that detects udder health issues to reduce infections.
AgTechAI & Machine LearningCleantechHealthtechIoTAustin, US
Shawn Broderick(Director)Pete Zipkin(Director)Shannon Mason-Thacker(COO)Ben Williamson(Director)Tamara Leigh(CEO)
Board seatShawn Broderick· per SEC Form D · $2.3M raise · filed Apr 2023
San Francisco, US
Saurabh Malani(Executive Officer, Director)Ke Xu(Executive Officer, Director)Po Bronson(Director)
Board seatPo Bronson· per SEC Form D · $2.5M raise · filed Apr 2026
Labrador Systems develops assistive robots designed to help people with mobility limitations, chronic pain, or injuries perform everyday household tasks independently.
HardwareHealthtechRoboticsOak Park, US
Nikolai Romanov(Executive Officer, Director)Michael John Dooley(Executive Officer, Director)Cyril Ebersweiler(Director)
Board seatCyril Ebersweiler· per SEC Form D · $2.5M raise · filed Feb 2020
Novoloop develops chemical technology to break down plastic waste and transform it into performance materials, serving the plastics and chemicals industries in the circular economy transition.
Circular EconomyCleantechNew MaterialsMenlo Park, US
David Sorin(Director)Jia Yun Yao(Executive Officer, Director)Samuel Suskind(Director)Yu Wen Wang(Executive Officer, Director)Ji Eun Cha(Director)Bill Liao(Director)
Board seatBill Liao· per SEC Form D
Sunnyvale, US
David Tze(Executive Officer, Director)Min Zhou(Director)BRIAN SEFTON(Executive Officer, Director)KEVIN TIDWELL(Director)
BoardRussell Howard(Director)
Board seatAlex Kopelyan· per SEC Form D · $23.3M raise · filed Jul 2024
Prellis develops an AI-enabled platform for antibody discovery using 3D-printed organoids that recapture human immune biology, generating therapeutic antibody candidates for multiple disease areas.
AI & Machine LearningBiotechDeep TechHayward, US
Arvind Gupta(Director)Melanie Matheu(Executive Officer, Director)Noelle Mullin(Executive Officer, Director)Rohit Sharma(Director)
Board seatSean O'Sullivan· per SEC Form D · $35M raise · filed Jul 2022
New Haven, US
Adebayo Alonge(Executive Officer, Director)Duncan Turner(Director)Amy Kao(Director)
Board seatDuncan Turner· per SEC Form D
HealthtechLafayette, US
Richard Hanbury(Executive Officer, Director, Promoter)
Board seatDuncan Turner· per SEC Form D · $9M raise · filed Aug 2020
Cambridge, US
Board seatMichael Aberman· per SEC Form D · $70.2M raise · filed Dec 2025
Unspun develops 3D weaving technology and software for apparel and textile manufacturing, enabling fast, automated, and low-waste garment production for brands and manufacturers.
Advanced ManufacturingCleantechClimate TechEmeryville, US
Kevin Peter Martin(Executive Officer, Director)Walden Hoi Ming Lam(Executive Officer, Director)Beth Esponnette(Founder)inARNE ARENS(Executive Officer, Director)CHRIS BLAKESLEE(Director)
BoardMilo Werner(Director)
Board seatDuncan Turner· per SEC Form D
Calder Biosciences is a molecular engineering company developing novel vaccines against RSV, influenza, and other viral infections using platform technology for vaccine design and manufacturing.
BiotechMedical DevicesNYC, US
Alexandria, US
Andrew Magyar(Executive Officer, Director)Elizabeth Onderko(Executive Officer, Director, Promoter)
BoardPae Wu(Director)Danielle Joseph(Director)Douglas Cameron(Director)
CarbonBridge develops a proprietary direct gas bioprocessing platform for bioreactor operations that eliminates solubility barriers without traditional equipment like spargers or agitators.
AgTechBiotechCleantechClimate TechDeep TechSan Jose, US
Cocoon manufactures LoopCem™, a low-carbon supplementary cementitious material made from electric arc furnace slag waste, enabling cement and concrete producers to reduce embodied CO₂ by up to 27% without cost premium.
Circular EconomyCleantechClimate TechLondon, GB
Endless West produces spirits using scientific flavor recreation methods, combining natural ingredients to replicate premium beverages while reducing production waste.
Circular EconomyFoodTechNew MaterialsDetroit, US
MardonnAlec
Farmshelf manufactures at-home hydroponic indoor garden systems that enable consumers to grow fresh leafy greens and herbs without pesticides or plastic packaging.
AgTechFoodTechHardwareIoTSan Francisco, US
ANDREW JAMES SHEARER(Executive Officer, Director)MANAN RAJESH GANDHI(Executive Officer, Director)
BiotechCary, US
Scott Collins(Director)Kathryn Polkoff(Executive Officer, Director)
BoardRodolphe Barrangou(Director)
Tappi provides AI-powered reputation and loyalty platform tools for businesses, helping them turn customer interactions and payments data into insights, reviews, and revenue growth.
AI & Machine LearningMarketing TechSaaSNairobi, KE
Level Zero Health develops electrochemical and microfluidic biosensor platforms for point-of-care and continuous diagnostic devices.
BiotechHealthtechMedical DevicesDover, US
Ulviyya Rustamova(Executive Officer, Director)Yiran Jia(Director)
BoardPhilip Kneis(Director)
Mechasys develops an XR Projector for the construction industry, providing robotics and advanced layout solutions to improve field productivity and worker efficiency on construction sites.
Construction TechHardwareRoboticsMontreal, CA
AI and machine learning software recreating animal products from plants
Advanced ManufacturingSantiago
Matias Muchnick(Director, Promoter)Elio Leoni-Sceti(Director)Karim Pichara(Director, Promoter)Frederick Blackford(Director)Ramiro Lauzan(Director)Nicolas Szekasy(Director)
OncoPrecision develops precision oncology medicines, including antibody-drug conjugates and bispecific antibodies, for blood cancers and hard-to-treat solid tumors.
AI & Machine LearningBiotechMedical Devices
Gastón Soria(Co-Founder & CSO)
Sharper Sense develops single-use neurostimulation patches worn on the neck to enhance cognition and sensory processing by stimulating nerves and releasing norepinephrine.
HardwareHealthtechMedical Devices
Charles Rodenkirch(CEO)Qi Wang(Inventor)Linh Le(CCO)
Still Bright develops electrochemical copper extraction technology that replaces traditional smelting, enabling faster, cleaner copper production from previously unrecoverable sources.
CleantechNew MaterialsNew Jersey, US
The Supplant Company produces a sugar substitute derived from plant fiber byproducts like corn cobs and agricultural residue, designed to deliver the taste and texture of conventional sugar while providing lower calories, lower glycemic impact, and prebiotic benefits for food manufacturers.
ConsumerFoodTechCambridge, GB
Upside Foods produces cultivated meat using cell-based technology.
BiotechFoodTechSan Francisco, US
Uma Valeti(Founder & CEO)in
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.
Frequently asked questions
- What stage does SOSV invest at?
- SOSV invests at the Pre-Seed, Seed, Series A, Series B stages.
- What is SOSV's typical check size?
- SOSV typically writes checks of $30K – $550K.
- What sectors does SOSV focus on?
- SOSV focuses on Advanced Manufacturing, AgTech, AI & Machine Learning, Biotech, Circular Economy, Cleantech, Climate Tech, Deep Tech, Digital Health, Energy, FoodTech, Hardware, Healthtech, New Materials, Quantum Computing, Robotics, Semiconductors, Space Tech.
- Where is SOSV located?
- SOSV is headquartered in New York, US.
- Does SOSV lead rounds?
- Yes, SOSV leads investment rounds.
Media · Podcasts & interviews
featuring the teamSean O'Sullivan, Managing GP of SOSV, on Separating Self-Worth from Startup Failure
Outsider Inc. · Sean O’Sullivan
Fireside Chat with Po Bronson (IndieBio SOSV) – GRIDX SFO Demo Day
GRIDX · Po Bronson
Sean O’Sullivan, Managing Partner of SOSV at the Grand Founders Spring Summit 2024
Grand Founders · Sean O’Sullivan
Sean O’Sullivan – Start-up Development at SOSV, Venture is Eating the Investment World 3...
Capital Allocators with Ted Seides · Sean O’Sullivan
Sean O’Sullivan (SOSV) Entrepreneur of the Year - Overcoming the Impossible: The Startup Journey
SOSV · Sean O’Sullivan
Interview with Cyril Ebersweiler, General Partner at SOSV
42 Silicon Valley · Cyril Ebersweiler
Images
Co-investors · 226
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True Ventures is an early-stage venture capital firm that writes the first check for founders and supports them through subsequent stages of growth.
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Lowercarbon Capital is a climate-focused venture capital firm that invests in companies developing technologies to reduce emissions, remove carbon from the atmosphere, and address climate adaptation.
Khosla Ventures is a venture capital firm known for backing bold, contrarian bets in world-class teams that can reshape entire industries.
Felicis Ventures is an early-stage venture capital firm that has backed founders for over 20 years, leading or co-leading the majority of its investments across seed and Series A rounds.
Spark Capital is a venture capital firm that backs founders across technology and consumer companies; it notably led Twitter's Series B in 2008.
500 Global (formerly 500 Startups) is a venture capital firm that invests in startups worldwide and runs programs for founders and investors.
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Gaingels is a large venture investor that co-invests alongside lead VCs in companies committed to building diverse and inclusive teams, while advocating for LGBTQ+ representation and equity of access in venture capital.
Breakthrough Energy is a global platform founded to accelerate clean energy innovation and build climate-focused industries, supporting innovators developing affordable, reliable, clean energy technologies.
Anorak Ventures is a seed-stage venture firm founded in 2016 with offices in Los Angeles and San Francisco, backing pre-seed and seed companies building differentiated technology and helping them reach product-market fit and follow-on funding.
▶214 more co-investors
Gigascale CapitalCelesta CapitalAt One VenturesBlack Jays VenturesNew Stack VenturesCreative VenturesWireframe VenturesBloom8McWin Capital PartnersStray Dog CapitalAg Ventures AllianceSynthesis CapitalSequoia CapitalGV (Google Ventures)Founders FundLightspeed Venture PartnersCraft VenturesNew Enterprise Associates (NEA)Alumni VenturesUncork CapitalInsight PartnersKleiner PerkinsMenlo VenturesNorwest Venture PartnersAtomicoUnion Square Ventures (USV)Plug and Play VenturesBalderton CapitalEniac VenturesGoat CapitalMayfield FundPartech VenturesRRE VenturesSlow VenturesNextView VenturesC2 InvestmentsSciFi VCLux CapitalEmergence Capital PartnersKapor CapitalStellar CapitalCota CapitalInovia CapitalBonfire VenturesPractical Venture CapitalBuckley Ventures Management Company LlcNext47Lowercase CapitalHack VCFoundry GroupDCM VenturesGoodwater CapitalAccompliceVillage GlobalMatrixHustle FundTSVC7percent VenturesDraper Fisher Jurvetson (DFJ)AlleyCorpLOI Venture8-Bit CapitalBaseline VenturesEnergy Impact PartnersTransmedia CapitalAcequia CapitalOurCrowdQualcomm VenturesValar VenturesAnthemis VenturePeak XV PartnersFf Venture CapitalBlackbird VenturesBaruch Future VenturesRocketship.vcAmadeus Capital PartnersAccelerator VenturesCP VenturesHOF CapitalWhite Star CapitalXYZ Venture CapitalScrum VenturesHouseYes VCMetaPropUP PartnersHelium-3 VenturesBDC Venture CapitalOne Way VenturesAmasiaRadical VenturesSpero VenturesStructure CapitalPresight CapitalThink+ Ventures Management, LlcRefactor CapitalPossible VenturesAstanor VenturesCurious CapitalMerus CapitalRoot Ventures Manager, LlcVisionaire VenturesAmazon Alexa FundHTGFLife BiosciencesTA VenturesFYRFLY Venture Partners50 PartnersSofinnova PartnersBootstrapLabsArkitekt VenturesBread And Butter Ventures, LlcAtlantic Bridge VenturesPillar VCVenture Catalysts | India's First Integrated IncubatorBuilders VCTrust VenturesAscension VenturesElaiaKOMPAS VCTuesday CapitalExpon CapitalMarket One Capital3one4 CapitalAirTree VenturesPiva CapitalGranite AsiaFlagship PioneeringSUPPLY CHANGE CAPITALBlackhorn VenturesNewfund CapitalREMUS CapitalSandbox IndustriesBusiness Growth FundFirst Star VenturesAxeleo CapitalConvergence VenturesPJCVamosVenturesBig Idea VenturesSV Health Investors360 CapitalDynamo VenturesHorizonWave Digital AssetsGSFHighline BetaSterling RoadHatteras Venture PartnersSony Ventures CorporationThird SphereVerve VenturesMorpheus VenturesMain Sequence VenturesCarao VenturesDBL PartnersRiver Venture PartnersTriangle Peak PartnersMetaplanetTechstart VenturesFounderfulOrange DAOPrime VenturesVMG PartnersEvolution VC PartnersZhenFundFuture Planet CapitalGrit VenturesDeeptech LabsWill VenturesExpert DOJO1517C4 VenturesClean Energy VenturesHiro CapitalLvlUp VenturesOsney CapitalWasabi VenturesLearnLaunch Fund AcceleratorM34 CapitalQuake CapitalSeaside VenturesActive Impact InvestmentsAhren Innovation CapitalSeaX VenturesPlus VCBroadview VenturesZacua VenturesAppWorks VenturesAVentures CapitalOutsized VenturesChrysalixSky9 CapitalKarma VenturesNCT VenturesSatori CapitalSVG Ventures | THRIVEFTW VenturesGermin8 VenturesGreen Generation FundBreakout VenturesDataRobotElevate VenturesBluestein VenturesBtomorrow VenturesBY Venture PartnersLuminateMandi VenturesTechU AngelsTreeo VCAlliance of AngelsdlabEnergy Revolution VenturesLateral Frontiers
Firms observed investing alongside SOSV, from public investor directories. Shared companies are the overlap with SOSV's recorded portfolio.
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