Fundraising Fox

Addition

Venture capitalActively deploying

New York · Pre-Seed–Growth · 12 people tracked

Also known as Addition Five Partners · Addition Four Partners · Addition One · Addition Six · Addition Six Partners · Addition Three

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Investment thesis

Invests in early- and growth-stage technology companies.

Source: firm website, verified Aug 25, 2026.

Stage
Pre-Seed–Growth
Check
$1M – $500M
HQ
New York, NY, US
Leads rounds
Leads
Instruments
Equity
Founded
2020
Last 12 months
6 investments
Private fund assets
$9.2B
VC funds
10
Tracked investments
50

Team · 12 people

from curated & public directories
Jason Schneider· Partnerin
Aasim Maknojia· Investorin
Andrew Miskiewicz· Investor𝕏
Jack Spiegel· Investorin
Paul Aaronin
Robbie Horwitz· Investorin
Todd Arfman· Investorin𝕏

What they invest in

from 46 of 50 portfolio companies

AI & Machine Learning ×17SaaS ×14Enterprise Software ×13Cloud Computing ×11Fintech ×11Data & Infrastructure ×8Developer Tools ×7Healthtech ×7

HQs:United States×32United Kingdom×2United Arab Emirates×1Australia×1Canada×1Germany×1

Who they back

founder profiles across 7 portfolio companies
33%
repeat founders
of 15 founders with career history

Where their founders studiedfrom 10 founders with education data

Yale University ×2

Where their founders worked beforefrom 15 founders with career history

Stanford University ×4Facebook ×2McKinsey & Company ×2Uber ×2

Investments · 50 tracked

founders shown can be your intro path

By year:2026 · 52025 · 22024 · 72023 · 22022 · 22021 · 32020 · 223 dated

Rent the Runwayrenttherunway.comin𝕏NASDAQ: RENT

Rent the Runway is a fashion rental service that lets consumers rent designer clothing — including dresses, tops, trousers, maternity wear, and blazers — from brands such as Sea New York, Ulla Johnson, and BOSS.

Circular EconomyConsumerE-commerceNew York, US

Jennifer Hyman(Co-founder)inJennifer Fleiss(Co-founder)inJohn Rucker(Executive Officer)inBeth Kaplan(Director, Executive Officer)inBrook Hartmann(Executive Officer)Vijayanand Subramanian(Executive Officer)

Co-investorsAdvance Venture PartnersData Point CapitalFelicis VenturesKleiner PerkinsManhattan Venture PartnersRPS Ventures+21 more

Grubtechgrubtech.cominMay 2024 · $15M✓ verified

grubtech provides a middleware platform called gOnline that unifies fragmented restaurant and quick-commerce operations, connecting POS systems, ERPs, and delivery aggregators into a single operational layer.

Enterprise SoftwareFoodTechRetail TechSaaSDubai, AE

Co-investorsBY Venture PartnersSalica InvestmentsOryx Fund

Primerprimer.aiin𝕏✓ verified

Primer builds AI-driven intelligence software that transforms large datasets into actionable insights for decision-making.

AI & Machine LearningDefense TechGovTech

Sean Moriarty(Chief Executive Officer)

Co-investorsAmplify PartnersAngel Collective Opportunity FundCrosslink CapitalDCVC (Data Collective)In-Q-TelIntrepid Growth Partners+5 more

Relationalairelational.aiin𝕏Mar 2022✓ verified

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

Molham Aref(Executive Officer, Director, Promoter)Robert Muglia(Director)Rafael Gonzalez Caloni(Executive Officer)Nikolaos Vasiloglouin

BoardSoma Somasegar(Director)Ennis Rimawi(Director)

Co-investorsMenlo VenturesTiger Global ManagementMadrona Venture Group

Built TechnologiesinJul 2022SEC filingmedium confidence

Nashville, US

David Chase Gilbert(President & CEO)Scott Thomas Sohr(Director)Jamie Ikerd(CFO)in

BoardMark Goldberg(Director)inFrank Ghali(Director)

Board seatLee Fixel· per SEC Form D · $23.6M raise · filed Jul 2022

Co-investorsNine Four VenturesChemistry

Ernestaernesta.cominMar 2026 · $20M

Ernesta sells custom-sized rugs designed to transform interior spaces.

ConsumerE-commerceNew York, US

Hisao Kushi(Executive Officer)inJohn Foley(Executive Officer, Director)Yony F.(Founder)in

BoardJon Callaghan(Director)inKaren Boone(Director)

Board seatLee Fixel· per SEC Form D

Co-investorsTrue VenturesPlatform Capital

Relay Paymentsrelaypayments.comin𝕏Jul 2021SEC filingmedium confidence

Relay Payments operates a digital payment network for the transportation and logistics industry, providing fast and secure electronic payments for parties involved in freight and delivery transactions.

FintechLogistics & Supply ChainMobility & TransportationAtlanta, US

Spencer Barkoff(Executive Officer, Director)inRyan Droege(Executive Officer, Director)

Board seatLee Fixel· per SEC Form D · $60M raise · filed Jul 2021

Co-investorsService Provider CapitalZag CapitalTTV Capital

Stedistedi.comin𝕏Aug 2020SEC filingmedium confidence

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)Zack Kanter(Founder)in

Board seatLee Fixel· per SEC Form D · $50.1M raise · filed Aug 2020

Co-investorsAlt CapitalBalaji SrinivasanFirst Round CapitalVTF CapitalBloomberg BetaSusa Ventures

Tend Dental, Inc.Aug 2024SEC filingmedium confidence

Tend Dental, Inc. is a Nashville-headquartered dental clinic operator, branded Tend, founded in 2018.

Nashville, US

Ryan Johnson(Executive Officer)Troy Bage(Executive Officer, 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

Co-investorsJUXTAPOSE VENTURESRedpoint Ventures

Additionadditionwealth.comin𝕏

Addition Wealth is a financial health platform for employees that provides personalized guidance and resources to help manage personal finances, reduce financial stress, and make informed financial decisions.

AI & Machine LearningFintechWellness & Fitness

Ana Mahony(Founder)in

Co-investorsAnthemis VentureCore Venture CapitalCorrelation VenturesFinancial Venture StudioNycaNyca Partners+1 more

Adept siteadept.aiin𝕏Mar 2023 · $350MAcquired

An ML research and product lab building general intelligence by enabling people and computers to work together creatively

Enterprise SoftwareSan Francisco, US

David Luan(Co-founder & Chief Executive Officer)inAshish Vaswani(Co-founder & Chief Scientist)Niki Parmar(Co-founder & Chief Technology Officer)Augustus Odena(Co-founder)Maxwell Nye(Co-founder)inErich Elsen(Co-founder)

Co-investorsA.Capital VenturesAir Street CapitalAtlassian VenturesGeneral CatalystGreylock PartnersNimble Partners+8 more

Airwallexairwallex.comin𝕏Jun 2026 · $320M

Airwallex operates a global banking platform that provides cross-border payments, financial infrastructure, and AI-powered financial software for businesses.

AI & Machine LearningEnterprise SoftwareFintechSaaSSingapore, SG

Jack Zhang(CEO)inMax Li(Co-Founder and Head of Design)inLucy Yueting Liu(Co-Founder and President)inXijing Dai (Jacob Dai)(Co-Founder and Chief Technology Officer)inKi-Lok Wong(Co-Founder and Principal Architect)inJacob Dai(Founder)in

Co-investorsActivant CapitalAEF Greater Bay Area FundAirTree VenturesAthletic VenturesBlackbird VenturesBowery Capital+19 more

Alchemyalchemy.comin𝕏

Alchemy is a platform layer that enables developers to build applications on blockchain networks.

Cloud ComputingCrypto & Web3Developer ToolsFintech

Nikil Viswanathan(Co-Founder and CEO)inJoe Lau(Co-Founder and President)

Co-investorsPantera CapitalDCVC (Data Collective)Founders Fund3cubed Venturesa16z cryptoAndreessen Horowitz+20 more

Alchemyalchemynano.comin

Alchemy develops vertically integrated nanotechnology solutions for high-value applications across various industries.

Advanced ManufacturingDeep TechDefense TechHardwareNew MaterialsRoboticsWaterloo, CA

Khanjan Desai(Founder)inChong Shen(Founder)in

Co-investorsNewfund CapitalWind VentureY Combinator

Alchemyalchemy.run𝕏

Alchemy is an infrastructure-as-code tool that lets developers define their entire cloud setup as a TypeScript program, with commands to plan, deploy, and destroy resources across providers like Cloudflare and AWS.

Cloud ComputingDeveloper ToolsSaaS

Co-investorsCrucible CapitalAndreessen HorowitzCoatue ManagementDFJLightspeed Venture Partners

Alchemy Cloud Inc.alchemy.cloudin𝕏

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)

Co-investorsUncork CapitalBowery CapitalSouth Central VenturesValuestream VenturesLightspeed Venture Partners

Basebase.clubin𝕏Aug 2026 · $1B

Base is a membership-based social club that curates intimate gatherings and experiences for members seeking meaningful conversations and authentic connections beyond traditional networking.

ConsumerMarketplacesSocial

Co-investorsConnetic VenturesGeek VenturesTetradAltimeter CapitalAndreessen HorowitzCapitalG+8 more

Base Powerbasepowercompany.comin𝕏

Base Power provides residential battery systems and retail electric provider services to customers in Texas.

CleantechEnergyHardwareTexas, US

Zach Dell(CEO)inJustin Lopas(Co-founder)in

Co-investors137 VenturesAndreessen HorowitzAvenir Growth CapitalCapitalGCongruent VenturesContrary+20 more

Branchbranch.ioin𝕏

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)

Co-investorsCoelius CapitalCowboy VenturesMadrona Venture GroupNew Enterprise Associates (NEA)Pear VCPlayground Global+5 more

Branchbranchapp.comin𝕏

Branch is a workforce payments platform that accelerates wage payments to employees and provides financial services.

Enterprise SoftwareFintechFuture of WorkHR TechMinneapolis, US

Atif Siddiqi(Founder)in

Co-investorsAct One VenturesBonfire VenturesGeneral AtlanticGreat North VenturesMatchstick VenturesTechstars+1 more

Buf TechnologiesNov 2021

Buf Technologies builds Protobuf-based, schema-driven developer tooling for APIs, including the open-source Buf CLI and Buf Schema Registry.

Buffalo, US

Peter Edge(Executive Officer, Director)

Co-investorsGreenoaksHaystackLightspeed Venture PartnersLux CapitalTiger Global Management

Chainalysischainalysis.comin𝕏Nov 2020

Chainalysis provides investigative services and training programs for cryptocurrency compliance and risk mitigation.

AI & Machine LearningCrypto & Web3CybersecurityData & InfrastructureFintechNew York, US

Jonathan Levin(Co-founder and Chief Executive Officer)inMichael Gronager(Co-founder; former Chief Executive Officer and board-level leader)inJan Møller(Co-founder and scientific/engineering leader)inRakib Azad(Executive Officer)in

BoardPhilippe Botteri(Director)inSarah Tavel(Director)in

Co-investorsAccelAlbionVCArchetypeBlackstoneBNY MellonCoatue Management+25 more

Chaptergetchapter.cominApr 2026 · $100M

Chapter provides Medicare plan comparison and advisory services to help seniors choose the best health insurance coverage.

HealthtechInsurTechSaaS

Noah Wilsonin

Co-investorsCore Venture CapitalMaverick VenturesStripesXYZ Venture Capital8VCFifth Down Capital+3 more

Chapteraskchapter.orgin

Chapter helps American seniors navigate and select Medicare plans by comparing options nationwide and recommending personalized coverage.

Digital HealthFintechHealthtechInsurTech

Noah WilsonToni Aldridge

Co-investorsFifth Down CapitalHealth2047 Capital Partners LLCMaverick VenturesMorrison Seger Venture Capital PartnersNarya CapitalXYZ Venture Capital+4 more

Chapter.runchapter.showin𝕏Apr 2026 · $100M

Chapter provides lead intelligence for B2B software companies by scanning the internet in real-time to identify relevant prospects based on immediacy and buying intent, serving developer tool vendors seeking high-quality sales outreach.

AI & Machine LearningFintechInsurTechSaaSSales TechSeattle, US

Aditya (JP) Jayaprakash(Co-Founder & CEO)Ece Kayan(Cofounder)

Co-investorsTechstars8VCFifth Down CapitalGeneration Investment ManagementMaverick VenturesNarya Capital+3 more

Chronospherechronosphere.ioin𝕏Jan 2023 · $115MAcquired

Chronosphere provides an observability platform for microservices and containers that helps teams detect and fix customer-impacting issues while controlling costs and complexity.

Cloud ComputingData & InfrastructureDeveloper ToolsSaaSNew York, US

MARTIN CHEN MAO(Executive Officer, Director)ROBERT JAMES SKILLINGTON(Executive Officer, Director)Martin Mao(Co-Founder & CEO (now SVP, GM Observability, Palo Alto Networks))inRob Skillington(Co-Founder & CTO)inAshley Alexander(Chief People Officer)inMargaret Dawson(Global Head of Marketing)in

Co-investorsACTAI VenturesAntiBasis Set VenturesCarbide VenturesCardinia VenturesFounders Fund+13 more

Daedalusdaedalus.deinOct 2021 · $21M

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

Co-investorsFirst MomentumLEA PartnersNGP CapitalY CombinatorKhosla VenturesTechstars

Dandymeetdandy.comin𝕏

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)

Co-investors3cubed VenturesAvenir Growth CapitalDorm RoomHuman CapitalInspired CapitalMantis Capital+9 more

Inshortsinshorts.comin𝕏

Inshorts is a news aggregation app that condenses articles from multiple publishers into 60-word summaries and uses an AI engine to personalize a user's feed based on reading preferences.

AI & Machine LearningConsumerMedia & Entertainment

Azhar Iqubal(Founder)in

Co-investorsRebright PartnersTanglin Venture PartnersTiger Global ManagementVy Capital

Kadmoskadmos.ioin𝕏

Kadmos provides cross-border salary payment solutions for migrant workers and global employers, enabling faster and cheaper international payroll processing.

FintechFuture of WorkHR TechLogistics & Supply ChainBerlin, DE

Justus Schmueser(Co-founder)Sasha Makarovych(Co-founder)Sergio Lopez(Head of Engineering)

Co-investorsBlossom CapitalRedstoneAtlantic Labs

Lyralyrahealth.comin𝕏

Lyra provides mental health care services through a network of evidence-based providers, combining clinical expertise with technology to deliver accessible, quality care for employers and health plans.

Digital HealthEnterprise SoftwareHealthtechHR TechMental HealthBurlingame, US

David Ebersman(Co-Founder & Chairman (CEO 2015–2025))inBob Kocher(Co-Founder and Board Member)inDena Bravata(Co-Founder & former Chief Medical Officer)Alethea Varra(Vice President of Clinical Care)Jennifer Schulz(Chief Executive Officer)Elaine Yang(Executive Officer)

Co-investorsBreyer CapitalCasdin CapitalCoatue ManagementDragoneer Investment GroupDurable Capital PartnersFidelity Investments+11 more

Meroxameroxa.comin𝕏

Meroxa builds real-time data integration and streaming tools to help organizations liberate data from silos and create data-driven applications.

Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaS

DeVaris Brown(Founder & CEO)

Co-investorsAmplify PartnersDrive CapitalRoot Ventures Manager, LlcHustle FundIndex VenturesRoot Ventures+2 more

Modern Animalmodernanimal.cominSep 2025 · $46MAcquired

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)in

Co-investorsBAM VenturesDCM VenturesFounders FundGreen Meadow VenturesLong Journey VenturesUpfront Ventures+4 more

Nymnymtech.net𝕏Oct 2024 · $47M

Nym develops a decentralized privacy network (mixnet) that routes internet traffic through multiple nodes to anonymize user metadata and activities.

Crypto & Web3CybersecurityLondon, GB

Harry Halpin(CEO and Chairman of Scientific Board)inAlexis Roussel(Chief Operating Officer)in

Co-investorsAndreessen HorowitzBinance Labs1k(x)1kxa16z cryptoDanu Ventures+5 more

NYMnym.healthin𝕏Oct 2024 · $47M

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)

Co-investorsBessemer Venture PartnersElliptic VenturesGandyr InvestmentsGV (Google Ventures)Samsung NextSound Ventures

OneChronosonechronos.comin𝕏Nov 2024

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

Co-investorsAmino CapitalDCVC (Data Collective)Newbury VenturesPage One VenturesRising TideY Combinator+2 more

Onehouseonehouse.aiin𝕏Jun 2024 · $35M

Onehouse offers Table Optimizer, a managed service that automatically handles clustering, compaction, and data cleaning to improve performance and reduce cost for data lakehouses.

Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSunnyvale, US

Vinoth Chandar(Founder (CEO))inGaetan Castelein(Head of Go-To-Market)inKyle Weller(Product Lead)inTiffany Jordan(Talent & Global Business Operations)inNilesh Mahajan(Founding Engineer, Platform Engineering Lead)inRajesh Mahindra(Systems Engineer)in

Co-investorsCraft VenturesGreylock PartnersZero Prime Ventures

Path Roboticspath-robotics.comin𝕏Oct 2024 · $100M

Path Robotics develops AI-powered robotic welding systems that adapt in real-time to part variations, serving manufacturers in heavy industry, critical infrastructure, defense, and energy sectors.

Advanced ManufacturingAI & Machine LearningRoboticsColumbus, US

Andy Lonsberry(Founder & CEO)Alex Lonsberry(Founder)in

BoardNick Solaro(Director)in

Co-investorsCatapult VenturesDrive CapitalMatter Venture PartnersPresidio VenturesTaiwania CapitalXplorer Capital+7 more

Postmatespostmates.comAcquired

<UNKNOWN>

San Francisco, US

Bastian Lehman(Founder & CEO)Sam Street(Founder)inSean Plaice(Director)Bastian Lehmann(Executive Officer, Director)

BoardLee Fixel(Director)Scott Banister(Director)

Co-investorsAngelPadBrighter CapitalCrosslink CapitalEntrée CapitalExpansion Venture CapitalFirstMark Capital+31 more

PQShieldpqshield.comin𝕏

PQShield is a team of cryptography experts focused on post-quantum cryptography solutions.

CybersecurityDeep TechQuantum ComputingSemiconductors

Co-investorsBY Venture PartnersCrane Venture PartnersKindred CapitalOxford Science EnterprisesChevron Technology Ventures

Redisredis.ioin𝕏

Redis provides an in-memory caching layer that delivers sub-millisecond data access for real-time applications across on-premise, cloud, and hybrid environments.

AI & Machine LearningCloud ComputingData & InfrastructureDeveloper Tools

Co-investors83NorthBain Capital VenturesFrancisco PartnersSoftBank Vision FundTCVAccel+20 more

Renderrender.comin𝕏

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)in

Co-investors01 AdvisorsAbstract VenturesBessemer Venture PartnersNext Legacy PartnersGeneral CatalystGeorgian+1 more

Renderrendernetwork.comin𝕏

The Render Network provides decentralized GPU rendering and compute infrastructure for 3D content creation, design, visual effects, and generative AI applications.

AI & Machine LearningCloud ComputingCreator EconomyCrypto & Web3Deep Tech

Jules Urbach(Founder)

Co-investorsBorderless VentureCryptonite CapitalMulticoin Capital01 AdvisorsBessemer Venture PartnersGeneral Catalyst+1 more

Snorkel AIsnorkel.aiin𝕏

Snorkel AI provides a platform and research for building training data and evaluation environments for frontier AI and agentic AI systems.

AI & Machine LearningData & InfrastructureDeep TechRedwood City, US

Henry Kiss Ehrenberg(Founder)inAlexander (Alex) Ratner(Co-Founder & Chief Executive Officer)Christopher (Chris) Ré(Co-Founder)Braden Hancock(Co-Founder (former Head of Technology))Henry (Kiss) Ehrenberg(Co-Founder (former Head of Engineering))inParoma Varma(Co-Founder (former Head of Solutions))in

Co-investorsAccenture VenturesBlackRockGreylock PartnersGV (Google Ventures)In-Q-TelLightspeed Venture Partners+6 more

Specklespeckle.systemsin𝕏

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 SoftwareLondon, GB

Dimitrie Stefanescu(Founder & CEO)in

Co-investorsFoundamentalFrontline VenturesSuffolk Technologies

Stackletstacklet.ioin

Stacklet builds an agentic AI platform for cloud infrastructure governance, applying policy, cost optimization (FinOps), security, and compliance controls automatically across cloud and AI workloads.

AI & Machine LearningCloud ComputingCybersecurityArlington, US

Travis Stanfield(Founder)Kapil Thangavelu(Founder)in

Co-investorsSINEWAVE VENTURESFoundation Capital

Tinestines.comin𝕏Feb 2025 · $125M

Tines builds security operations automation software for security teams to reduce manual work and improve incident response capabilities.

CybersecurityEnterprise SoftwareSaaS

Eoin HinchyinThomas Kinsellain

Co-investorsActivant CapitalBlossom CapitalFelicis VenturesLux CapitalSoftBank Vision FundAccel

Universeonuniverse.comin𝕏

Onuniverse is a website builder that allows users to create sites using a visual drag-and-drop editor without coding, and includes e-commerce functionality for launching online stores.

ConsumerCreator EconomyE-commerceMedia & EntertainmentSaaSBrooklyn, US

Joseph Cohen(Founder/CEO)inMarcus Smith(Head of Technology)Ryan Poolos(Lead Engineer)Jared Ray Johnson(Marketing Lead)

Co-investorsAdvancit CapitalEniac VenturesJavelin Venture PartnersY CombinatorCollaborative FundFounder Collective+3 more

Zap Energyzapenergy.comin𝕏

Zap Energy develops advanced nuclear systems built on a shared platform that combines fission and fusion technologies to deliver firm, carbon-free electricity and process heat in modular, deployable formats.

CleantechDeep TechEnergyEverett, US

Benjamin Conway(Executive Officer, Director)Uri Shumlak(Director)inBrian Nelson(Executive Officer, Director)inBenj Conway(Founder)in

BoardClay Dumas(Director)inUdayan Das Roy(Director)

Co-investorsBreakthrough Energy VenturesDCVC (Data Collective)Energy Impact PartnersLeitmotifEmerson Collective InvestingLowercarbon Capital

Zellermyzeller.comin𝕏

Zeller provides integrated financial services including payment acceptance, finance management, and payment processing for Australian businesses.

FintechRetail TechSaaSMelbourne, AU

Ben Pfisterer(Founder)inDominic Yap(Founder)

Co-investorsSquare Peg CapitalHeadlineSpark Capital

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 portfolio

Rent the RunwayNASDAQ: RENT

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Addition made?
Addition has 7 tracked investments, 2 of which have exited via acquisition or IPO.
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, Climate Tech, Consumer, Crypto & Web3, Energy, Enterprise Software, Fintech, Healthtech, Marketing Tech, Robotics, SaaS.
Where is Addition located?
Addition is headquartered in New York, US.
Does Addition lead rounds?
Yes, Addition leads investment rounds.
Who does Addition co-invest with?
Addition most often shares deals with Greylock Partners, SV Angel, Coatue Management, among 80 tracked co-investors.

Media · Podcasts & interviews

featuring the team

Base Power's $200M Series B | Co-Led by Lee Fixel, A16Z, Lightspeed, & Valor Equity Partners

Sourcery with Molly O'Shea · Lee Fixel

Lee Fixel quits Tiger Global | High profile exit at Facebook | Startup Central

ET NOW · Lee Fixel

Co-investors · 169

Andreessen Horowitz

Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz, known for pioneering the platform model with a large team of operators supporting founders across stages.

$500K – $50M
Greylock Partners

Greylock Partners is an early-stage venture capital firm that partners with founders building companies from inception. Its partners make only one or two new investments per year to focus deeply on each partnership.

$100K – $200M
Tiger Global Management

Tiger Global Management operates public equity strategies (long/short, long-focused and crossover) and a private equity business investing in early- through late-stage growth companies across new and existing industries.

$1M – $100M
Founders Fund

Founders Fund is a venture capital firm that backs technology companies building transformative products.

$500K – $5M
Lightspeed Venture Partners

Lightspeed is a global venture capital firm that has spent over two decades backing innovative companies as an early and first investor.

$1.7M – $87M
General Catalyst

General Catalyst is a venture capital firm operating as a partnership focused on company building and accelerating the growth of the businesses it backs.

$30M
Techstars

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.

Both backed · 4
$220K
Coatue Management

Coatue Management is a technology-focused investment firm that invests in innovation across both public and private markets with responsible risk management.

$1M – $20M
Spark Capital

Spark Capital is a venture capital firm that partners with founders, known for early investments including leading Twitter's Series B in 2008.

$500K – $25M
GV (Google Ventures)

GV (Google Ventures) is a venture capital firm that has invested in artificial intelligence and machine learning since its early days, building a global portfolio of more than 100 AI companies across infrastructure, life sciences, and applications.

$250K – $50M
Accel

Accel is a venture capital firm that partners with exceptional teams, positioning itself as a first partner to founders globally.

$1.6M – $70M
Redpoint Ventures

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.

$100K – $10M
157 more co-investors

Kleiner PerkinsLux CapitalMadrona Venture GroupRibbit CapitalBessemer Venture PartnersFelicis VenturesBain Capital VenturesTrue VenturesSound VenturesGradient VenturesSoftBank Vision FundMeritech Capital PartnersThrive CapitalCowboy VenturesGeneral AtlanticCapitalGTCVNyca PartnersXYZ Venture CapitalPlayground GlobalGreenoaksDrive CapitalSquare Peg CapitalTrust VenturesBlossom CapitalSequoia CapitalKhosla VenturesNew Enterprise Associates (NEA)Index VenturesInsight PartnersBenchmarkFirst Round CapitalMenlo VenturesFoundation CapitalBoxGroupIVP (Institutional Venture Partners)Eniac VenturesFirstMark CapitalHeadlineSouth Park CommonsBonfire Ventures01 AdvisorsParadigmUpfront VenturesChemistryPrimary Venture PartnersCompany CapitalJavelin Venture PartnersBreakthrough Energy VenturesAnthemis VentureA.Capital VenturesContrary9Yards CapitalAltimeter CapitalSmash CapitalDragoneer Investment GroupLOWERCARBONLEA PartnersGeodesic CapitalQBE VenturesNotable CapitalFJ LabsUnknown VenturesEverywhere VenturesKrakenGreat Oaks Venture CapitalCanaan PartnersBalderton CapitalBattery VenturesLiquid VenturesHCVCC2 InvestmentsSciFi VCFifth WallAccel-KKRLookout VenturesScale Venture PartnersAfore CapitalPICUS CAPITALBond Capital ManagementResolute VenturesStride VCElectric CapitalIA VenturesMaveronLowercase CapitalNot Boring CapitalOperator LPHarrison MetalHanabi CapitalBanana 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 PartnersWebb Investment NetworkLakestarVine VenturesTarget GlobalFlourish VenturesFELIX CAPITALThe Finger GroupBrand Foundry VenturesKohlberg Kravis RobertsHeavybitAllison Pickens VenturesMONASHEESLa FamigliaCrosscut VenturesK2 GlobalZ47305 VenturesKaszek VenturesThirty Five Ventures (35V)XfundAZ-VCForum VenturesSutter Hill VenturesPropel Venture PartnersE1 VenturesDimension CapitalValor Capital GroupHelion Venture PartnersOkta VenturesWorld FundRebel FundMizMaa VenturesNXTPPreface VenturesE12 Venture Capital, LlcBlisceMPG FundPortal Venturesbacktrace capitalTalis CapitalHuron River VenturesInfinity Ventures30N VenturesnoaAnfaType One Ventures1435 CapitalFuture Positive CapitalDevelopment Bank of WalesSpaceFundUS 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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