Fundraising Fox

Jam Fund

Venture capital

Los Angeles · Pre-Seed–Series A · 1 people tracked

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Investment thesis

Solo-GP firm led by Tinder co‑founder Justin Mateen backing underestimated founders with something to prove, unusually active in Latin America and Africa and in space‑adjacent and consumer platform bets.

Invests inCrypto & Web3Sector AgnosticGlobalLos Angeles

Source: firm website, verified Aug 3, 2026.

Stage
Pre-Seed–Series A
Check
$500K – $20M
HQ
Los Angeles, California, US
Leads rounds
Follows
Private fund assets
$1B
VC funds
10
Tracked investments
106

Team · 1 people

from the firm's website
Justin Mateen· Founding Partnerin𝕏

Justin Mateen, Tinder co‑founder who runs a $200M–$300M+ fund, backs domain‑expert founders with something to prove, writing large personal checks and supporting nuclear energy, space manufacturing, AI infrastructure, emerging markets.

What they invest in

from 19 of 106 portfolio companies

Fintech ×6AI & Machine Learning ×4Consumer ×4Healthtech ×4SaaS ×4B2B Marketplaces ×3Digital Health ×3Direct to Consumer ×3

HQs:United States×9Brazil×1Canada×1Spain×1India×1Nigeria×1

Investments · 106 tracked

founders shown can be your intro path
ABL Space

Builds rockets to launch small satellites.

ABL Space Systems

Builds rockets to launch small satellites.

Ablspacesystemsablspacesystems.com𝕏

ABL Space Systems develops small satellite launch vehicles, including the RS1 rocket and GS0 containerized launch system, enabling orbital launches from various ground locations.

HardwareSpace Tech

Alto Pharmacy

Patient-centric pharmacy, formerly ScriptDash.

Anchorhuckleberry.com
Brexbrex.comin𝕏

Brex provides financial services and software for companies, including corporate cards and expense management tools.

AI & Machine LearningEnterprise SoftwareFintechSaaSSan Francisco, US

Henrique Dubugras(Founder/CEO)inPedro Franceschi(Founder)in

Brex

B2B financial products, starting with a corporate credit card for tech companies.

by Serasaidwall.co
Catalytecatalyte.ioin
Catalyte

Uses AI to identify, upskill and assemble software development teams.

Chiperchiper.co
Chiper

Platform enabling Latin American corner stores to grow.

Click Diagnostics

A new kind of diagnostics company, currently in stealth mode.

Clickdiagnosticsclickdiagnostics.com
Commoncommon.am

Mobile app and community for sharing lifestyle experiences.

Compass Pathways

Mental health care company accelerating access to evidence-based innovation.

Compass Pathwayscompasspathways.comin𝕏
Curativecurative.comin𝕏
Curative Labs

Scaling COVID-19 detection and screening in the US.

Daily Harvestdaily-harvest.com

Daily Harvest manufactures and delivers frozen prepared meals made from organic fruits and vegetables, including smoothies, oat bowls, and elixirs.

ConsumerDirect to ConsumerFoodTech

Daily Harvest

Delivers frozen, ready-to-enjoy superfood meals.

Deelletsdeel.com
Deel

Payroll and compliance platform for international employees and contractors.

Digi-Prexdigi-prex.comin𝕏

Digi-Prex is a subscription pharmacy service that delivers medications to customers' homes monthly, offering prices up to 15% cheaper than traditional pharmacies.

B2B MarketplacesE-commerceHealthtechWellness & FitnessHyderabad, IN

Samarth Sindhi(Founder)in

DigiPrex

Chronic disease management platform based in India.

Dutchiedutchie.com
Dutchie

Online cannabis ordering platform connecting consumers to retailers.

Fabfitfunfabfitfun.com𝕏

FabFitFun is a subscription box service that delivers curated full-size products to customers on a seasonal basis, with customization options.

ConsumerDirect to ConsumerWellness & FitnessBeverly Hills, US

Michael Broukhim(Executive Officer, Director)Daniel Broukhim(Executive Officer, Director)

FabFitFun

Discovery-based subscription lifestyle brand.

Firefly Healthfirefly.healthin

Firefly Health operates an advanced virtual care platform designed to deliver primary care services with a focus on equity, affordability, and personalized patient outcomes.

Digital HealthHealthtechInsurTechUnknown, US

Andy Ellner(Chief Clinical Advisor)

Firefly Health

Virtual-first primary care alternative.

Fossafossa.comin𝕏
FOSSA

Helps companies build software and comply with open source licenses.

Frey

Clothing care startup aiming to transform the laundry industry.

Genies

Mobile app letting users create avatar clones of themselves.

Genies falsegenies.com

Genies creates AI personas with visual avatars that can be customized and deployed across various applications, games, websites, and brands, functioning as AI companions, NPCs, and enterprise agents.

AI & Machine LearningConsumerGaming

Hey Doctor

Quick, affordable healthcare accessible via mobile.

HeyDoctorheydoctor.co

Virtual healthcare service providing affordable online doctor consultations.

Home Chef

Meal kit service that helps customers cook at home and save time.

Homechefhomechef.com𝕏
Huckleberry

Next-generation insurance company built on software and data science.

Idwall

Software for SMB customer credentialing/verification.

imagespotahome.comin𝕏

Spotahome is an online booking platform for unfurnished and furnished apartments, rooms, and studios for medium-term stays of 30 days or longer.

MarketplacesPropTechMadrid, ES

Alejandro Artacho

JetLensesjetlenses.com

Low-cost contact lenses sold online.

Juuljuul.com
Juul

Electronics company making nicotine vaporizer alternatives for adult smokers.

Kalshi

Platform for trading on the outcome of events.

Kalshikalshi.comin𝕏

Kalshi operates a federally regulated futures exchange that allows users to trade contracts based on the outcomes of real-world events, creating a new market for event-based financial derivatives.

FintechNew York City, US

Luana Lopes Lara(Founder)inTarek Mansour(Founder)in

BoardAlfred Lin(Director)Michael Seibel(Director)Matt Huang(Director)

Koinz

Growth engine for restaurants around data and customer retention.

Kovi

Online self-drive car rental startup.

Kovikovi.com.brin𝕏

Kovi provides vehicle rental services for rideshare and delivery app drivers in Brazil, with options for monthly rentals and purchase plans that include maintenance, roadside support, and flexible payment based on kilometers driven.

B2B MarketplacesFintechMobility & TransportationSão Paulo, BR

ADHEMAR MILANI NETO(Founder)in

Laikalaika.com

LatAm e-commerce platform for pet products and services.

LendUplendup.comin𝕏

LendUp provides financial content and education about personal lending products, helping borrowers understand loan options, costs, and alternatives to borrowing in the consumer finance sector.

Digital HealthFintechMarketplacesSan Francisco, US

Sasha Orloff(Founder/CEO)inJacob Rosenberg(Founder/CTO)in

LendUp

Provides a path to better financial health.

Little Spoon

Subscription fresh, organic baby food delivered to your door.

Little Spoonlittlespoon.com
Livefreylivefrey.com
Lyftlyft.com𝕏

Lyft is an on-demand ridesharing platform that connects passengers with drivers for various ride types, including standard rides, premium options, and other transportation services.

MarketplacesMobility & Transportation

Logan Green(Founder)inJohn Zimmer(Founder)inDavid Risher(CEO)in

Lyft

Mobile app matching drivers with passengers requesting rides.

Frequently asked questions

What stage does Jam Fund invest at?
Jam Fund invests at the Pre-Seed, Seed, Series A stages.
What is Jam Fund's typical check size?
Jam Fund typically writes checks of $500K – $20M.
What sectors does Jam Fund focus on?
Jam Fund focuses on Crypto & Web3, Sector Agnostic.
Where is Jam Fund located?
Jam Fund is headquartered in Los Angeles, US.
Does Jam Fund lead rounds?
Jam Fund typically participates in rounds rather than leading them.

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