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Investors / Spain / Extension Fund

Extension Fund

Investor · Barcelona, Spain · Europe

extensionfund.comTakes pitches from founders

Extension Fund is a hybrid debt fund that invests through convertible notes and venture debt. It backs companies from pre-seed to Series B stages, primarily across Spain, and provides strategic support and network access to its portfolio companies.

Invests inFintech

In its own wordsfintechinsurtechproptechcleanteche-commerceventure debt

Your fit with Extension Fund

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22portfolio companies
1funding rounds on record
0rounds, last 12 months
$1M to $5Mtypical round it comes in at
Seedmost frequent entry

Extension Fund lists 22 checked portfolio companies on its own site and is named in 1 funding round. Its most frequent entry is Seed, 100% of the companies with a known first round. Its largest themes are Fintech (29%), Healthcare & Biotech (13%) and AI & Machine Learning (10%). 92% of its companies are based in Spain. It invests most often alongside Lanai Partners, Plus Partners and Bonsai Partners.

Counts come from funding rounds that name Extension Fund, complete from mid-2025: earlier rounds appear only when they were reported later. Round amounts and full round histories are on Fundup AI.

Round figures show recent activity, not Extension Fund's whole history. Rounds on record name 1 company; its own site lists 22. Funding rounds are complete from mid-2025, so counts and the yearly trend undercount a firm that invested before then. The portfolio, themes and places come from its own site and are not affected.

Entry stage

share of companies by the stage of its first round
Show as a table
Share of companies by the stage of the firm's first round
Value
Pre-seed0%
Seed100%
Series A0%
Series B0%
Growth0%

Activity by year

rounds it joined, last 10 years
Show as a table
Funding rounds per year
TotalRounds it led
'1700
'1800
'1900
'2000
'2100
'2200
'2300
'2400
'2510
'2600

Investor profile

percentile among all firms
Portfolio size: 22 companiesRecent activity: 0 rounds in 12 monthsEarly stage: 100% of entries at pre-seed or seedEvidence: 5% of companies confirmed by a roundSector focus: 29% in its largest sectorReach: 2 countriesPortfolio size55th pctRecent activity46th pctEarly stage100th pctEvidence62th pctSector focus49th pctReach42th pct
This firmMedian of all firms
Show as a table
Extension Fund compared with all firms
MeasurePercentile of all firmsValue
Portfolio size55th22 companies
Recent activity46th0 rounds in 12 months
Early stage100th100% of entries at pre-seed or seed
Evidence62th5% of companies confirmed by a round
Sector focus49th29% in its largest sector
Reach42th2 countries

Investment themes

share of its checked companies

This firmAll checked companies

Show as a table
Investment themes
This firmAll checked companies
Fintech29%12%
Healthcare & Biotech13%15%
AI & Machine Learning10%18%
Cybersecurity7%4%
E-commerce & Marketplaces7%6%
Legal & Compliance7%2%
Food & Agriculture7%3%
Real Estate & Construction3%3%

Invests most often with

firms sharing its portfolio companies
Show as a table
Co-investors
Share
Lanai Partners4
Plus Partners4
Bonsai Partners3
Antai Ventures2
Lánzame2
Scale Lab Andorra2
TheVentureCity2
Y Combinator2

All co-investors

Its portfolio companies

where they are based, and what their own sites show

Headquarters

Site status

  • Site answers2195%
  • No longer answers00%
  • Points to another company15%
  • Parked or sold domain00%

A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.

Co-investor network

who it backs companies with, and who they back together
8 shared companies6 shared companies5 shared companies4 shared companies4 shared companies4 shared companies3 shared companies3 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companiesLanai Partners: 4 shared companiesLanai Partners4Plus Partners: 4 shared companiesPlus Partners4Bonsai Partners: 3 shared companiesBonsai Partners3Antai Ventures: 2 shared companiesAntai Ventures2Lánzame: 2 shared companiesLánzame2Scale Lab Andorra: 2 shared companiesScale Lab Andorra2TheVentureCity: 2 shared companiesTheVentureCity2Y Combinator: 2 shared companiesY Combinator2Zubi Capital: 2 shared companiesZubi Capital24Founders Capital: 1 shared companies4Founders Capital16 Degrees Capital: 1 shared companies6 Degrees Capital1Angels Capital: 1 shared companiesAngels Capital1
Shared portfolio companies with Extension FundFirms that also back companies together

All co-investors or Compare portfolios with Lanai Partners

Compare Extension Fund head to head

portfolio size, rounds, entry stages, themes and the companies both back

Three or more firms at once: portfolio overlap.

Recent portfolio activity

when companies last raised with Extension Fund
DateCompanyStage
16 Jul 2025Internxtinternxt.comSeed

Round details for Extension Fund

Amounts, full round histories and every co-investor in Extension Fund's rounds are on Fundup AI. VCinfo covers investors and their portfolios.

See rounds on Fundup AI →

Portfolio

22 companies checked against their own sites
CompanyWhat it doesThemesFirst round with itEvidence
Alter5alter-5.com · SpainAlter5 provides financing solutions for companies and projects
FintechFintech
Portfolio page
Bcasbcasapp.com · SpainBcas provides financing solutions for education, offering flexible payment options to students and partnering with training centers to make education more accessible.
EducationFintech
Portfolio page
Bloobirdsbloobirds.comThe company provides a productivity app for Salesforce and Dynamics
AI & Machine LearningEnterprise Software
Portfolio page
Booposboopos.comBoopos provides business acquisition loans to SaaS businesses and other online businesses with subscription-based models.
FintechLegal & Compliance
Portfolio page
Consentioconsentio.co · SpainConsentio connects buyers and suppliers in the fresh food trade industry through a platform that manages forecasting, sourcing, orders, and execution
Food & AgricultureE-commerce & Marketplaces
Portfolio page
Elmaelma.care · SpainElma provides digital health insurance services with various plans and coverage options.
Healthcare & Biotech
Portfolio page
Gamestrygamestry.com
Portfolio page
Getpaidgetpaid.io · GermanyGetpaid provides embedded payments and split settlement solutions for platforms
Fintech
Portfolio page
Gocleergocleer.comGocleer provides insurance services and promotes sustainable mobility through its app, offering rewards and discounts to its customers.
FintechMobility & Logistics
Portfolio page
Yabagoyaba.coYaba curates leading and emerging well-being brands for its community.
Healthcare & Biotech
Portfolio page
Gretelgretel.co
Portfolio page
Haddockhaddock.app · SpainHaddock develops software for restaurant management
Food & AgricultureAI & Machine Learning
Portfolio page
Internxtinternxt.com · SpainInternxt provides cloud storage services with encryption and other security features.
CybersecuritySpace & Defense
Jul 2025SeedPage + round
Ladorianladorian.com · SpainLadorian creates a software that helps retail stores to activate and improve the performance of advertising and communication campaigns using artificial intelligence
Media & EntertainmentAI & Machine Learning
Portfolio page
Nemurunemuru.comNemuru simplifies financing and provides customized revenue models to businesses
Fintech
Portfolio page
Payflowpayflow.es · SpainPayflow provides an application for employees to receive flexible compensation and access to their salary on demand
Fintech
Portfolio page
Service Clubserviceclub.com · SpainService Club connects drivers and companies, providing an integrated ecosystem for sourcing, training, routing, checking, and rewarding drivers
Legal & ComplianceHuman Resources
Portfolio page
Smart Protectionsmartprotection.comSmart Protection provides brand protection, anti-piracy, and anti-impersonation solutions
CybersecurityE-commerce & Marketplaces
Portfolio page
Ukiostayukio.com
Portfolio page
Tuiotuio.com · SpainTuio offers various insurance services, including home, car, life, and pet insurance
FintechHealthcare & Biotech
Portfolio page

About this data

site last read 5 Nov 2026
The homepage of Extension Fund, as last read
extensionfund.com as VCinfo last read it
Site
extensionfund.com
Last read
5 Nov 2026
Watching since
6 Nov 2026
Rounds since
16 Jul 2025
Companies checked
22

Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.

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