Fundraising Fox

Expon Capital

Family office

Luxembourg · Pre-Seed–Growth · 7 people tracked

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Investment thesis

Sepulveda Capital invests in technology-driven enterprises with a focus on artificial intelligence and decision intelligence platforms serving enterprise and government clients. The investment approach is informed by the founder's extensive experience across 100+ financing transactions, including three exits valued over $1 billion, with particular emphasis on companies with transformative business models and international growth potential.

Source: firm website, verified Aug 3, 2026.

Stage
Pre-Seed–Growth
Check
$550K – $1.6M
HQ
Luxembourg, LU
Leads rounds
Leads
Instruments
Equity
Founded
2007
AUM
$100M
Tracked investments
42

Team · 7 people

from the firm's website & public directories

What they invest in

from 4 of 42 portfolio companies

Space Tech ×3Climate Tech ×2Data & Infrastructure ×2AgTech ×1Biotech ×1Circular Economy ×1Deep Tech ×1E-commerce ×1

HQs:United States×2Germany×1

Investments · 42 tracked

founders shown can be your intro path
Spire GlobalNYSE: SPIR
Accelexaccelex.ai
Aydo
Cascade

PartnerLily Wang· led

Catalyte
ClimateCamp
Coinhouse

MiCA-licensed digital assets investment platform in Europe

Cyberr
Deelan
Delanodelano.lu
Delivery Hero (Glovo)
dottridedott.comin𝕏
Exobiosphereexobiosphere.comin

Exobiosphere operates an orbital high-throughput system for automated, large-scale drug testing in space, using microgravity to create disease models.

BiotechDeep TechSpace Tech

Exponcapitalexponcapital.com
Finarta
Glose
Glovo

Marketplace enabling individuals and businesses to buy, send and pick up any product within the same city.

HelloBetter

PartnerLily Wang· led

Hydrosathydrosat.comin

Hydrosat converts satellite and ground data into actionable information for sustainable agriculture and water management.

AgTechClimate TechData & InfrastructureSpace TechWashington, US

Pieter Fossel(CEO)Scott Alan Soenen(Executive Officer)Alan Royce Dalby(Executive Officer, Director)Andrew Robert Dearing(Director)Lori Garver(Director)Adam Niewinski(Director)

Ideeri
Invitrolize
Itravel
Kidola
maic
MarketLeap
Nannybag
Nektria
Next Gate Tech
Ocus
Openexo
Passbolt
Pliopspliops.com

Creates products enabling cloud and enterprise data centers to access data up to 50x faster with lower computational load and power consumption.

Refurbedrefurbed.dein𝕏

Refurbed operates a marketplace for refurbished electronics, where devices are reconditioned through a multi-step process and sold to consumers as more environmentally sustainable alternatives to new products.

Circular EconomyE-commerceMarketplaces

Salonkeesalonkee.com
Service
Smart Renting
Spirespire.comin𝕏

Spire operates a constellation of nanosatellites that collect granular Earth and environmental data from orbit, providing analytics for climate, logistics, and community protection.

Climate TechData & InfrastructureLogistics & Supply ChainSpace TechVienna, Virginia, US

Peter Platzer(Founder)inJeroen Cappaert(Founder)inJoel Spark(Founder)

storetaillesechos.fr
Sympower
Verse
Videobot

PartnerLily Wang· led

WeFarm

Frequently asked questions

What stage does Expon Capital invest at?
Expon Capital invests at the Pre-Seed, Seed, Series A, Series B, Series C, Growth stages.
What is Expon Capital's typical check size?
Expon Capital typically writes checks of $550K – $1.6M.
What sectors does Expon Capital focus on?
Expon Capital focuses on AI & Machine Learning, Biotech, Crypto & Web3, Cybersecurity, Deep Tech, Enterprise Software, Fintech, Healthtech, Quantum Computing, SaaS, Sector Agnostic, Space Tech.
Where is Expon Capital located?
Expon Capital is headquartered in Luxembourg, LU.
Does Expon Capital lead rounds?
Yes, Expon Capital leads investment rounds.

Media · Podcasts & interviews

featuring the team

E-conference Expon: Jerome Wittamer (Expon Capital) and Nick Tabone (Deloitte) - YouTube

360Crossmedia · Jerome Wittamer

[EXTRAIT] #173 - Jérôme Wittamer (Expon Capital) - Retour d’expérience sur le "Digital Tech...

Solenne Niedercorn · Jérôme Wittamer

LuxembourgMonAmour - Interview with Jerome Wittamer (Expon Capital) - YouTube

360Crossmedia · Jerome Wittamer

Successful startups' most secret sauce. Jérôme Wittamer / Expon Capital and Kevin Muller / Passbolt

TechChill · Jérôme Wittamer

The Luxembourg PE/VC stories with Jérôme Wittamer, Expon Capital

LPEA Luxembourg · Jérôme Wittamer

LPEA Insights 2018: Jerome Wittamer, Expon Capital - YouTube

LPEA Luxembourg · Jerome Wittamer

Images

Expon Capital photoExpon Capital photoExpon Capital photoExpon Capital photoExpon Capital photoExpon Capital photo

Co-investors · 31

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 · 1
$220K
Cultivation Capital

Cultivation Capital is a venture capital firm that invests in early-stage companies with the potential to transform how people live and work, backing them from Series Seed through Series B.

Both backed · 1
$100K – $3.5M
Isai

ISAI is a French investment firm founded and backed by tech entrepreneurs, offering multiple strategies including early-stage VC, corporate VC, growth & buyout, and growth lending.

Both backed · 1
storetail
$108K – $54M
AlbionVC

AlbionVC is an early-stage venture capital firm backing European founders, providing both capital and operational expertise across deeptech, health, finance, and intelligence sectors.

Both backed · 1
Accelex
GPO Fund

GPO Fund invests in disruptive technology-enabled businesses positioned to scale through international expansion and eventual public market listings, addressing the gap left by traditional venture capital's lengthened time horizons and the IPO market's shift toward mega-cap companies.

Both backed · 1
$5M – $10M
Blue Bear Capital Partners

Blue Bear is a venture capital and early growth equity firm investing in AI-powered digital technology companies addressing energy, infrastructure, and climate challenges.

Both backed · 1
Industrious Ventures

Industrious Ventures is a venture capital firm backing founders building deep tech across defense, space, autonomous systems, advanced materials, energy resilience, and critical infrastructure.

Both backed · 1
True Ventures

True Ventures is an early-stage venture capital firm that writes the first check for founders and supports them through subsequent stages of growth.

$500K – $3M
SOSV

SOSV is a deep tech venture capital firm that makes first-check pre-seed investments and follow-on rounds in startups focused on human and planetary health, providing lab space and hands-on support at its US locations.

$30K – $550K
Partech Ventures

Partech is a global investment firm that supports founders at every stage through dedicated teams and multiple funds across several continents.

$200K – $50M
RRE Ventures

RRE Ventures is a boutique early-stage venture capital firm that backs founders across sectors, combining decades of experience with AI-driven analysis throughout the investment lifecycle.

$5M – $15M
Stellar Capital

Stellar Capital invests in founders building software, internet, and technology companies.

19 more co-investors

Cota CapitalBowery CapitalRevolutionDN CapitalQueensBridge Venture PartnersEQT VenturesSocial StartsViola VenturesLocalGlobeMotier VenturesScrum VenturesAmasiaPhoenix CourtRadical Ventures20VCPrimetime PartnersSixThirty VenturesIlluminate FinancialProsus Ventures

Firms observed investing alongside Expon Capital, from public investor directories. Shared companies are the overlap with Expon Capital's recorded portfolio.

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