Addition
Venture capitalActively deployingNew York · Pre-Seed–Growth · 11 people tracked
Also known as Addition Five Partners · Addition Four Partners · Addition One · Addition Six · Addition Six Partners · Addition Three · Addition Two · ADDITION, L.P.
Investment thesis
Invests in early- and growth-stage technology companies.
Source: firm website, verified Aug 11, 2026.
Team · 11 people
from curated & public directories
What they invest in
from 25 of 28 portfolio companiesAI & Machine Learning ×9Enterprise Software ×9SaaS ×8Fintech ×7Cloud Computing ×5Healthtech ×5Data & Infrastructure ×3Developer Tools ×3
HQs:United States×17United Kingdom×2Australia×1Canada×1Singapore×1
Investments · 28 tracked
founders shown can be your intro pathBy year:2026 · 12024 · 12022 · 22021 · 32020 · 18 dated
RelationalAI builds a Snowflake-native platform that combines large language models with semantic models, relational knowledge graphs, and rule-based reasoning to enable organizations to create AI-powered decision engines for business operations.
AI & Machine LearningData & InfrastructureEnterprise SoftwareBerkeley, US
Robert Muglia(Director)Rafael Gonzalez Caloni(Executive Officer)Soma Somasegar(Director)Ennis Rimawi(Director)Margaret Holen(Director)Molham Aref(Executive Officer, Director, Promoter)
Nashville, US
Frank Ghali(Director)David Chase Gilbert(President & CEO)Scott Thomas Sohr(Director)Jamie Ikerd(CFO)
BoardMark Goldberg(Director)
Board seatLee Fixel· per SEC Form D · $23.6M raise · filed Jul 2022
Ernesta sells custom-sized rugs designed to transform interior spaces.
ConsumerE-commerceNew York, US
Hisao Kushi(Executive Officer)John Foley(Executive Officer, Director)
BoardJon Callaghan(Director)Karen Boone(Director)
Board seatLee Fixel· per SEC Form D
Relay Payments operates a digital payments platform for the trucking and logistics industry, offering integrations and fraud controls (Relay Pulse) to combat fuel fraud and support drivers.
FintechLogistics & Supply ChainMobility & TransportationAtlanta, US
Spencer Barkoff(Executive Officer, Director)Ryan Droege(Executive Officer, Director)
Board seatLee Fixel· per SEC Form D · $60M raise · filed Jul 2021
Stedi provides APIs and infrastructure for healthcare billing transactions, including eligibility checks, claim submissions, and remittance advice processing.
Enterprise SoftwareHealthtechSaaSBoulder, US
ZACK KANTER(Executive Officer, Director)
Board seatLee Fixel· per SEC Form D · $50.1M raise · filed Aug 2020
Nashville, US
Ryan Johnson(Executive Officer)Troy Bage(Executive Officer, Director)John Lyman(Director)Charles Talbot(Executive Officer)Larson Hudson(Executive Officer, Director)
BoardBrian Bouma(Director)
Board seatLee Fixel· per SEC Form D · $78M raise · filed Aug 2024
Alchemy provides a Product Development Platform including electronic lab notebooks, laboratory information management systems, and artificial intelligence tools that help chemists and material scientists accelerate research, product development, and quality control.
AI & Machine LearningCloud ComputingDeep TechSaaSSilicon Valley, US
Alexandra N. Novakovich(Executive Officer, Director)
Base Power provides residential battery systems and retail electric provider services to customers in Texas.
CleantechEnergyHardwareTexas, US
Zach Dell(Founder & CEO)Justin Lopas(Founder)in
Branch is an AI-powered mobile measurement partner (MMP) and omnichannel linking platform that helps brands measure marketing impact and guide customers across apps, web, email, paid media, social, and connected TV.
AdTechAI & Machine LearningMarketing TechSaaS
Mada Seghete(Founder)Mike Molinet(Founder)
Daedalus provides cloud infrastructure and tools for precision manufacturing operations, offering manufacturing-specific functionality similar to AWS's broader cloud services.
Advanced ManufacturingRoboticsSan Francisco, US
Jonas Schneider(Founder)in
Dandy is a digital dental laboratory that provides AI-powered technology and software to dental practices, offering services including crowns, bridges, dentures, implants, and clear aligners.
AI & Machine LearningHealthtechMedical Devices
Daniel Hanover(Founder)inToni Oloko(Cofounder)
Modern Animal operates a network of veterinary clinics providing primary care, urgent care, 24/7 virtual consultations, and pharmacy services for pet owners.
ConsumerHealthtechLos Angeles, US
Steven Eidelman(Founder)
Nym automates the medical coding process for US healthcare providers by using AI to interpret clinical language and power revenue cycle management.
AI & Machine LearningDigital HealthEnterprise SoftwareHealthtech
Lori M. Jones(Chief Executive Officer (CEO))Julien Dubuis(Chief Commercial Officer (CCO))Yuval Yezersky(Chief Financial Officer (CFO))Ariela Levi Krumgals(SVP of Human Resources)Yaniv Shachar(SVP of Research & Development)Aya Weinstein(Vice President of Product)
OneChronos develops execution platforms for electronic trading using machine learning and mechanism design, serving institutional investors and traders.
AI & Machine LearningFintechMarketplacesNew York City, US
Stephen Johnson(Founder)inKelly Littlepage(Founder)in
Render provides cloud infrastructure and hosting services for software teams to deploy applications at any scale, from prototypes to large distributed systems, with a focus on reliability and uptime.
Cloud ComputingDeveloper ToolsEnterprise SoftwareSan Francisco, US
Anurag Goel(Founder & CEO)
Speckle provides a data collaboration platform for the architecture, engineering, and construction (AEC) industry, enabling teams to share and connect data across projects and disciplines.
Cloud ComputingConstruction TechData & InfrastructureEnterprise Software
Dimitrie Stefanescu(Founder & CEO)
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.
Portfolio news
latest coverage across their companiesChapter · mauinow.com · Jul 18, 2026
Addition · financialit.net · Jul 17, 2026
Primer · fortuneindia.com · Jul 17, 2026
Alchemy · stocktitan.net · Jul 16, 2026
Alchemy Cloud Inc. · stocktitan.net · Jul 16, 2026
Alchemy · stocktitan.net · Jul 16, 2026
Base Power · accessipos.com · Jul 14, 2026
Render · techcrunch.com · Jul 5, 2026
Frequently asked questions
- What stage does Addition invest at?
- Addition invests at the Pre-Seed, Seed, Growth stages.
- What is Addition's typical check size?
- Addition typically writes checks of $1M – $500M.
- What sectors does Addition focus on?
- Addition focuses on AI & Machine Learning, Consumer, Crypto & Web3, Enterprise Software, Fintech.
- Where is Addition located?
- Addition is headquartered in New York, US.
- Does Addition lead rounds?
- Yes, Addition leads investment rounds.
Co-investors · 169
Andreessen Horowitz's Strategic Partnerships page describes collaborations that connect its portfolio companies with established institutions to help scale and deploy their technology.
Founders Fund is a venture capital firm that invests in companies building transformative technologies across defense, space, data analytics, and other frontier sectors.
General Catalyst is a venture capital and investment firm that backs founders across industries, with a strong focus on AI-driven transformation, fintech, healthcare, and other sectors.
Lightspeed Venture Partners is a global venture capital firm known for backing AI and technology founders, emphasizing deep, hands-on partnerships with the companies it funds.
Bessemer Venture Partners is a venture capital firm that partners with entrepreneurs from early stages through every stage of growth, publishing investment roadmaps across multiple technology sectors.
Techstars is a startup accelerator and early-stage investor that funds ambitious founders and provides capital, mentorship, and access to a global network of investors, operators, and corporate partners.
Redpoint Ventures is a venture capital firm established in 1999 by former partners from leading venture firms, focusing on early-stage technology companies across multiple sectors. The firm leverages its partners' technology investment experience and an extensive network of entrepreneurs and industry contacts to support portfolio company growth.
Spark Capital is a venture capital firm that backs founders across technology and consumer companies; it notably led Twitter's Series B in 2008.
True Ventures is an early-stage venture capital firm that writes the first check for founders and supports them through subsequent stages of growth.
Tiger Global is a research-driven investment firm that partners with innovative, high-quality companies over the long term across various stages of their lifecycle.
Lux Capital's portfolio page showcasing select companies across science and technology sectors including AI infrastructure, aerospace, biotech, and productivity software.
Madrona Venture Group is an early-stage venture capital firm that backs founding teams at seed, early, and acceleration stages, primarily in Seattle, the Bay Area, and beyond.
▶157 more co-investors
GreenoaksSquare Peg CapitalSequoia CapitalGV (Google Ventures)AccelKhosla VenturesIndex VenturesFelicis VenturesFirst Round CapitalMenlo VenturesBoxGroupCoatue ManagementSound VenturesHeadlineSouth Park CommonsBonfire VenturesRibbit Capital01 AdvisorsUpfront VenturesChemistryPrimary Venture PartnersCowboy VenturesGeneral AtlanticCapitalGAnthemis VentureNyca PartnersContrary CapitalXYZ Venture CapitalPlayground GlobalDrive CapitalTrust VenturesLOWERCARBONBlossom CapitalLEA PartnersGreylock PartnersNew Enterprise Associates (NEA)Insight PartnersNotable CapitalBenchmarkFJ LabsBain Capital VenturesUnknown VenturesKleiner PerkinsFoundation CapitalEverywhere VenturesKrakenIVP (Institutional Venture Partners)Great Oaks Venture CapitalCanaan PartnersBalderton CapitalBattery VenturesEniac VenturesFirstMarkLiquid VenturesHardware ClubC2 InvestmentsSciFi VCAccel-KKRLookout VenturesScale Venture PartnersAfore CapitalSoftBank Vision FundPICUS CAPITALMeritech Capital PartnersBond Capital ManagementResolute VenturesStride VCElectric CapitalIA VenturesMaveronLowercase CapitalNot Boring CapitalOperator LPParadigmFlatiron HealthThrive CapitalHarrison MetalHanabi CapitalFifth WallBanana CapitalTwo Sigma Ventures75 & SunnyGlobal Founders CapitalSalesforce Japan Co.,Ltd.WGI GroupEntrepreneur FirstNorthzoneThe Chernin Group (TCG Crypto)Betaworks Ventures Management, LlcAIX VenturesLatitud VenturesSaga Venturesboldstart venturesRenegade PartnersMarch Capital PartnersTCVWebb Investment NetworkLakestarVine VenturesTarget GlobalCompany CapitalFlourish VenturesJavelin Venture PartnersBreakthrough Energy VenturesFELIX CAPITALThe Finger GroupBrand Foundry VenturesKohlberg Kravis RobertsHeavybitAllison Pickens VenturesFifth Wall VenturesMONASHEESLa FamigliaCrosscut VenturesK2 Global9Yards CapitalAltimeter CapitalZ47305 VenturesSmash CapitalKaszek Ventures35VenturesXfundAZ-VCForum VenturesSutter Hill VenturesPropel Venture PartnersE1 VenturesDimension CapitalDragoneer Investment GroupValor Capital GroupHelion Venture PartnersOkta VenturesWorld FundRebel FundMizMaa VenturesPreface VenturesE12 Venture Capital, LlcBlisceMPG FundPortal Venturesbacktrace capitalTalis CapitalHuron River VenturesInfinity VenturesNXTP30N VenturesnoaAnfaGeodesic CapitalType One Ventures1435 CapitalFuture Positive CapitalDevelopment Bank of WalesQBE VenturesSpaceFundUS Innovative Technology
Firms observed investing alongside Addition, from public investor directories. Shared companies are the overlap with Addition's recorded portfolio.
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