Alt Capital
Venture capitalActively deployingSan Francisco · Pre-Seed–Series B · 3 people tracked
Also known as ALT CAPITAL MANAGEMENT, LLC · Altman Capital · Jack Altman Fund
Investment thesis
Early-stage investor writing $1–25M checks, operating as a tiny, operator-led team (founder Jack Altman) that maintains direct founder relationships and is a preferred AI/software co-investor with Sequoia and Y Combinator.
Source: firm website, verified Aug 25, 2026.
Team · 3 people
from public directories
What they invest in
from 33 of 35 portfolio companiesAI & Machine Learning ×23SaaS ×17Enterprise Software ×15Data & Infrastructure ×8Developer Tools ×6Healthtech ×4EdTech ×3HR Tech ×3
HQs:United States×28Sweden×1
Investments · 35 tracked
founders shown can be your intro pathBy year:2026 · 42025 · 22024 · 17 dated
NexHealth provides a patient engagement platform for medical and dental practices, offering online scheduling, digital intake forms, communications, payments, and insurance verification that sync in real time to the practice's health record system.
Digital HealthHealthtechSaaSBrooklyn, US
Alamin Uddin(Executive Officer, Director, Promoter)
Co-investors3cubed Ventures7BC Venture CapitalEarl Grey CapitalMantis CapitalPoint NineTodd and Rahul’s Angel Fund+1 more
Almanac is a document collaboration platform that integrates with tools like Jira, GitHub, Linear, Loom, Figma, Google Workspace, and others to embed content and enable document review and commenting workflows.
Future of WorkSaaSSan Francisco, US
Adam Nathan(Executive Officer, Director, Promoter)Nathan Taylor Thompson(Director)
BoardMichael Maples(Director)
Co-investorsGeneral CatalystWingEarl Grey CapitalFloodgateForm CapitalLightspeed Venture Partners+2 more
Braintrust provides AI observability and evaluation platform that monitors production AI systems to surface patterns, define quality standards, and automate improvements.
AI & Machine LearningData & InfrastructureDeveloper ToolsSan Francisco, US
Ankur Goyal(Founder & CEO)inEden Halperin(Head of Product)
BoardMatthew Jacobson(Board Member; General Partner, ICONIQ Growth)Saam Motamedi(Board Partner / Investor Director, Greylock)
Co-investorsAndreessen HorowitzDatabricks VenturesElad GilGreylock PartnersICONIQSV Angel+1 more
Chroma provides open-source, serverless search infrastructure for AI applications, supporting vector, full-text, regex, sparse, and metadata search built on object storage.
AI & Machine LearningData & InfrastructureDeveloper Tools
Co-investorsAir Street CapitalAIX VenturesAngel Collective Opportunity FundBloomberg BetaEssence Venture CapitalQuiet Capital
Crosschq provides a platform that delivers data-driven insights throughout the hiring process to help talent leaders optimize recruitment efficiency and hiring outcomes.
AI & Machine LearningHR TechSaaSDanville, US
Mike Fitzsimmons(CEO)Pete Goettner(Executive Officer, Director)
BoardGlenn Solomon(Director)in
Co-investorsBessemer Venture PartnersGaia VenturesInner Loop CapitalNotable CapitalRocketship.vcSalesforce Ventures+1 more
Ethena provides AI-powered compliance training courses, including anti-money laundering education for investment management professionals.
AI & Machine LearningEdTechEnterprise SoftwareFintechHR TechSaaSBrooklyn, US
RoxanneAnne
Co-investorsFelicis VenturesGSV VenturesHomebrewJanuary VenturesVillage Global
LlamaIndex provides document parsing and AI agent workflows that automate document-based administrative operations such as invoice matching, contract data extraction, form processing, and compliance reporting.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US
Jerry Liu(Co-Founder & CEO)inSimon Suo(Co-Founder & CTO)inJerry Junkai Liu(Executive Officer, Director)Shun Da Suo(Executive Officer, Director)
Co-investorsGreylock PartnersNorwest Venture PartnersDatabricks Ventures
Owner provides software for independent restaurants in the USA to drive sales and protect profits, including tools to compete with large chains.
AI & Machine LearningFoodTechMarketing TechSaaSSan Francisco, US
Dean Bloembergen(Co-Founder & CTO)inAdam Guild(Co-Founder & CEO)inRob Lehman(President & COO)
BoardJason Lemkin(Director)inJack Altman(Board Director)in
Co-investorsActivant CapitalRedpoint VenturesTranspose Platform ManagementBrowder CapitalDay One VenturesGoldman Sachs+12 more
Pocus builds an AI platform for sales teams that analyzes internal and external signals to tell reps which accounts to prioritize, who to contact, and what to say.
AI & Machine LearningSaaSSales Tech
Isaac Pohl-Zaretsky(Founder)in
Co-investorsMantis Capital
Reprise provides a demo creation platform for enterprise presales, sales, and marketing teams to build product tours, sales demos, and interactive leave-behind materials within a single integrated system.
Developer ToolsMarketing TechSaaSBoston, US
Samuel Clemens(Director)Evan Powell(Founder)inBryan Stevenson(Executive Officer, Director)
BoardAjay Agarwal(Director)in
Co-investorsAngel Collective Opportunity FundGlasswing VenturesICONIQBain Capital VenturesICONIQ GrowthWndrCo
ScienceIO offers an AI platform for interpreting healthcare data, including a product that converts unstructured medical text into structured data via an API and maps it to millions of medical concepts.
AI & Machine LearningData & InfrastructureDigital HealthHealthtech
Will Manidis(Founder, CEO)Gaurav Kaushik(Founder, President)
Co-investorsEarl Grey CapitalSwell PartnersToba CapitalLachy GroomQuiet CapitalSection 32+6 more
B2B payments platform using AI for order-to-cash automation, risk assessment and embedded net-terms financing.
Co-investorsHyphen CapitalMONASHEESMPG Fund
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
Co-investorsBalaji SrinivasanFirst Round CapitalVTF CapitalAdditionBloomberg BetaSusa Ventures
AI-powered recruiter helping find the best talent for startups
Co-investorsArdent Venture
AirOps provides AI-powered workflows for content teams to develop and optimize SEO and AI-engine-optimized content at scale.
AI & Machine LearningMarketing TechSaaSSan Francisco, US
Berna Gonzalez(Co-Founder & CTO)inAlex Halliday(Co-Founder & CEO)inMatt Hammel(Co-Founder & COO)
BoardMike Duboe(Board Director / Investor (Greylock))
Co-investorsCalm VenturesFounder CollectiveFrontline VenturesGreylock PartnersUnusual VenturesVillage Global+2 more
Antares Industries develops nuclear reactor technology, with teams spanning nuclear, reactor hardware, and mission engineering as well as manufacturing and regulatory operations.
Advanced ManufacturingCleantechDeep TechDefense TechEnergyParker, US
Jordan Bramble(Founder)inJulia DeWahl(Founder)inRian Bahran(Chief Nuclear Officer)Mark Massie(Chief Engineer)DONALD G MACK(Executive Officer, Director)
Co-investorsAtacama VenturesBalerion Space VenturesBoxGroupCaffeinated CapitalHumba VenturesIndustrious Ventures+7 more
Avoca provides AI-powered customer service agents for service-based businesses that handle incoming calls, text messages, and chats to book appointments and re-engage customers.
AI & Machine LearningEnterprise SoftwareSaaSNew York City, US
Apurva Shrivastava(Founder)inTyson Chen(Founder)in
Co-investorsAmplify PartnersAudaciousBoxGroupCitta CapitalFormus CapitalKleiner Perkins+8 more
Bezi is an AI agent that operates within Unity to assist game developers with code generation, scene building, debugging, and automation tasks.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareGamingOakland, US
Cecilia Uhr(Co-founder and Chief Product Officer / Founding Designer)inJulian Park(Co-founder and Chief Executive Officer)inDenys Bastov(Co-founder and technical/security leader)in
BoardChetan Puttagunta(Director)inSusan Liu(Director / investor representative)in
Co-investorsBessemer Venture PartnersDesigner FundUncork Capital2.12 Angels8VCAdverb Ventures+15 more
Fillout is a platform for building forms, surveys, and quizzes that also connects to other business tools to automate and scale data-collection workflows.
Data & InfrastructureDeveloper ToolsEnterprise SoftwareSaaS
Co-investors1818 Venture CapitalBonfire VenturesEdmonton UnlimitedForum VenturesGLOCAL LatamMandalay Venture Partners+5 more
Conductor AI builds the Conduit platform, which ingests complex policy documents and encodes expert processes into AI-powered agentic workflows for document review, approval, agentic search, and redaction.
AI & Machine LearningDefense TechGovTechBiddeford, US
Eric Schwartz(Executive Officer, Director)inBen Fichter(Founder)inZachary Long(Executive Officer, Director)Benjamin Fichter(Executive Officer, Director)
Co-investorsAbstract VenturesBooz Allen VenturesBungalow CapitalHumba VenturesHaystackLux Capital
David develops audio datasets for AI applications, serving Fortune 100 companies and research labs working on speech recognition, translation, synthesis, and conversational AI.
AI & Machine LearningData & InfrastructureEnterprise SoftwareSan Francisco, US
Tomer Cohen(Founder)inBen Wiley(Founder)inTomer C(Founder)Tomer C.(Founder)in
Co-investorsAmplify PartnersFirst Round CapitalY CombinatorNVIDIA
GPTZero develops AI detection technology to identify artificially generated text, serving over 10 million users across education, publishing, and enterprise sectors.
AI & Machine LearningEdTechEnterprise SoftwareNew York, US
Alexander Cui(Cofounder)Edward Tian(Cofounder)in
Co-investorsFootworkNeoReach CapitalAtas VCUncork Capital
Jeeva AI provides data protection agreements and compliance documentation for managing personal data under global regulations including GDPR and CCPA.
AI & Machine LearningEnterprise SoftwareSaaSSales TechSanta Monica, US
Gaurav Bhattacharya(Executive Officer, Director, Promoter)in
BoardCathy Gao(Director)inMark Mullen(Director)inDan Wright(Director)
Co-investorsBonfire VenturesJLL Spark Global VenturesSapphire VenturesGTMfundJLL SparkTechstars
Legora offers an agentic AI operating system for legal work that handles legal workflows end-to-end, from intake to delivery, for law firms and in-house legal teams.
AI & Machine LearningLegalTechSaaS
Co-investorsWayfinder Ventures
Magical provides workflow automation software that uses AI to eliminate repetitive manual tasks for enterprise teams.
AI & Machine LearningEnterprise SoftwareHealthtechSaaSNew York, US
Harpaul Sambhi(CEO & Co-Founder)inRosie Chopra(COO & Co-Founder)inPrashant Vishwanathan(Engineering Manager & Cofounder)KEITH PEIRIS(Executive Officer, Director, Promoter)HENRI LIRIANI(Director)Prashant Viswanathan(Engineering Manager & Co-Founder)in
Co-investorsBain Capital VenturesBlank VenturesCoatue ManagementDylan FieldGreylock PartnersScott Belsky+3 more
Mothership provides business solutions that replace traditional problem-solving approaches for companies, though the specific nature of their offerings is not clearly detailed on the page.
B2B MarketplacesData & InfrastructureEdTechEnterprise SoftwareFuture of WorkHR TechInsurTechMarketplacesAustin, US
Gregg Luskin(Co-founder and Chief Technology Officer)inAaron Peck(Co-founder and Chief Executive Officer)in
Co-investorsAcrew CapitalAlpana VenturesAndreessen HorowitzBow CapitalElefundFifth Wall+9 more
Parahelp builds an AI-powered customer support agent that can be configured to integrate with external tools and APIs to resolve support tickets autonomously.
AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US
Anker Ryhl(Founder)inMads Liechti(Founder)in
Co-investorsbyFoundersOrange CollectiveSkyfall VenturesY CombinatorHanabi CapitalHidden Capital
Revlo provides tools for video game streamers to interact with and monetize their audience through fan engagement features like rewards and recognition systems.
ConsumerCreator EconomyGamingSan Francisco, US
Adam Hueniken(Founder/Vice President of Engineering)in
Co-investorsY CombinatorBenchmarkBuilders VCEighty-Seven CapitalHidden Capital
Pursuit Properties offers fractional co-ownership of large land properties with managed amenities, handling property maintenance, wildlife management, and agricultural operations to generate income for owners.
B2B MarketplacesMarketplacesPropTechDenver, US
Josh Green(Founder)inMason Meier(Founder)inTrae(Co-founder and Executive Chairman)inTylerin
Co-investorsY CombinatorLong Journey VenturesParadox CapitalBenchmarkBuilders VCEighty-Seven Capital+1 more
Pursuit is a sales intelligence platform focused on the SLED (state, local, and education) public-sector market, using AI to surface accounts, contacts, procurement signals, and buying indicators.
AI & Machine LearningGovTechSales Tech
Co-investorsTeamworthy VenturesBuilders VC
Retell AI builds an enterprise-grade voice AI platform that handles phone calls for industries including healthcare, delivery, and insurance.
AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US
Bing Wu(Founder)inTodd Li(Co-Founder)inEvie Wang(Founder)inWeijia Yu(Founder)inZexia Zhang(Founder)inWeijia Y(Co-founder)in
Co-investorsCarya Venture PartnersY Combinator
Rogo offers a secure AI platform for financial firms that automates workflows across research, analysis, and reporting, using custom-trained language models built for finance.
AI & Machine LearningEnterprise SoftwareFintechNew York, US
Gabriel Stengel(Founder)inJohn WillettTumas RackaitisTumas R.(Founder)in
Co-investors137 VenturesAlleyCorpKleiner PerkinsMantis CapitalPositive Sum CapitalScOp Venture Capital+5 more
San Francisco Compute sells time on large-scale GPU clusters through contracts that customers can exit by reselling capacity on its liquid market.
AI & Machine LearningCloud ComputingData & InfrastructureMarketplacesSan Francisco, US
Co-investorsAlphaLab CapitalAngel Collective Opportunity FundCaladanDeep AcreElectric CapitalMoth Fund+3 more
SPAN develops smart electrical panels that provide real-time home energy monitoring and control, enabling homeowners to track and optimize energy consumption at the room and appliance level to reduce energy bills.
CleantechHardwareIoTSan Francisco, US
Arch Rao(Founder & CEO)
Co-investorsAngeleno GroupArcTern VenturesCollaborative FundCongruent VenturesDesigner FundEarth Foundry+15 more
Town offers AI-powered personal assistants ("Townies") that automate work tasks like email management, scheduling, research, and routine workflows for knowledge workers.
AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US
Tony Vincent(Founder)in
Co-investorsAndreessen HorowitzForerunner VenturesJetstreamMischiefPosition VenturesBain Capital Ventures+6 more
Portfolio news
latest coverage across their companiesOwner.com · restaurantbusinessonline.com · Aug 21, 2026
Chroma · contagionlive.com · Aug 18, 2026
Pursuit · investing.com · Aug 5, 2026
AirOps · AirOps (company blog) · Jul 30, 2026
Antares · govconwire.com · Jul 28, 2026
SF Compute · datacenterdynamics.com · Jul 27, 2026
Almanac · glassalmanac.com · Jul 19, 2026
Mothership · urgentmatter.press · Jul 18, 2026
Frequently asked questions
- What stage does Alt Capital invest at?
- Alt Capital invests at the Pre-Seed, Seed, Series A, Series B stages.
- What is Alt Capital's typical check size?
- Alt Capital typically writes checks of $1M – $10M.
- What sectors does Alt Capital focus on?
- Alt Capital focuses on SaaS.
- Where is Alt Capital located?
- Alt Capital is headquartered in San Francisco, US.
- Does Alt Capital lead rounds?
- Yes, Alt Capital leads investment rounds.
- Who does Alt Capital co-invest with?
- Alt Capital most often shares deals with Andreessen Horowitz, Founder Collective, Frontline Ventures, among 21 tracked co-investors.
Media · Podcasts & interviews
featuring the teamJack Altman Talks About His First Benchmark Deal
Business Insider · Jack Altman · businessinsider.com
Jack Altman joins Benchmark as GP
TechCrunch · Jack Altman · techcrunch.com
Elaine Dai - Partner at Alt Capital
The Venture Podcast · Elaine Dai
011: AI Agents Will Eat Everything | Jack Altman (Alt Capital)
Get Paid · Jack Altman
From Building a Unicorn to Starting a Venture Firm
Venture Unlocked · Jack Altman · podscan.fm
Jack Altman on Product-Market Fit
Andreessen Horowitz · Jack Altman · a16z.com
Images
Co-investors · 6
Benchmark is a venture capital firm with offices in San Francisco and Woodside that invests in early-stage startups.
Amplify Partners is a venture capital firm that backs technical founders — engineers, researchers, and scientists — building companies across AI/ML, data infrastructure, developer tools, and life sciences.
Haystack is an early-stage venture capital firm that has focused for over a decade on the earliest stages of software and technology startup formation, working alongside a network of founders, limited partners, and operators.
Early-stage venture capital firm investing from idea through Series A, led by former founders and company builders who partner with technically-grounded entrepreneurs with clear visions.
.png){kind=avatar}
VC Firm committed to standing in their founder's corner, not their kitchen.
.jpeg){kind=logo}
B Capital is a global investment firm backing early to late-stage technology innovators across technology, healthcare, and energy & resilience sectors.
Firms observed investing alongside Alt Capital, from public investor directories. Shared companies are the overlap with Alt Capital's recorded portfolio.
Similar investors
8VC is a venture capital firm investing across logistics, life sciences, healthcare, IT infrastructure, and government/defense, guided by its Smart Enterprise thesis focused on data integration and platform network effects.
AirTree Ventures runs Pathfinders, a free four-week in-person program in Sydney for young builders (high-school graduates up to age 23) to work on a real product, access the AirTree team and founders, and build a peer network.
August Capital is a venture capital firm that invests in a small number of companies, providing hands-on support to entrepreneurs building their businesses.
B Capital is a global investment firm backing early to late-stage technology innovators across technology, healthcare, and energy & resilience sectors.
Balderton Capital is a European venture capital firm that backs technology startups.