About Extension Fund
Extension Fund is a venture capital firm founded in 2021. It is primarily based out of Barcelona, Spain. As of Dec 2025, Extension Fund has invested in 18 companies. It primarily invests in Seed round in Spain based startups. Its investments are spread across a wide range of sectors from Enterprise Applications to FinTech and Food and Agriculture Tech. Most recently it participated in the $***** Venture Debt round of Vivla Overall, Extension Fund portfolio has seen 1 acquisition, namely Vitaance. A lot of funds co-invest with Extension Fund, with names like Kevlar Investments sharing a substantial percentage of its portfolio. Extension Fund has team of 2 people including 1 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed, Series A & 1 more
Portfolio Acquisitions
Extension Fund's List of Top Investments
Extension Fund has a portfolio of 18 companies. Their most notable investments are in Cleer and Consentio.Their portfolio spans across Spain and United States. They have invested in Enterprise Applications, FinTech, Food and Agriculture Tech and 13 other sectors, across stages such as Seed, Series A and 1 more. Here is the list of top investments by Extension Fund:1. Internxt
Provider of secure cloud storage, antivirus, VPN, and cleaner applications. The company offers encrypted cloud storage with file management capabilities. It provides antivirus software, VPN services, and cleaner applications. The platform emphasizes data protection through encryption and open-source transparency.
Key facts about Internxt
- Founded Year: 2017
- Location: Santa Monica (United States)
- Valuation: $*****
- Stage: Series B
- Total Funding till date: $8.46M
- Employee Count: 28 as on Sep 30, 2026
- Investors: TheVentureCity, Prosegur and 20 Others
- Latest Funding Round: Series B, Jul 16, 2025, $*****
- Highlight: Editors' Pick
2. Vitaance
Online life insurance platform for individuals. It offers solutions for term-life insurance and financial, emotional, and physical coverage. It also offers insurance claims reporting and support solutions. It also offers insurance-related blogs for users.
Key facts about Vitaance
- Founded Year: 2021
- Location: Barcelona (Spain)
- Stage: Acquired
- Total Funding till date: $5.74M
- Employee Count: 4 as on Aug 31, 2026
- Investors: SoftBank Vision Fund, Kindred Capital and 10 Others
- Latest Funding Round: Seed, Feb 13, 2023, $*****
- Highlight: Acquired
3. Tuio
Provider of mobile & SaaS-based platforms offering diversified insurance products. It offers a platform for users to apply for various available insurance products and helps in claims processing. The mobile application is available on iOS and Android platforms.
Key facts about Tuio
- Founded Year: 2020
- Location: Madrid (Spain)
- Stage: Series B
- Total Funding till date: $20.5M
- Employee Count: 44 as on Sep 30, 2026
- Investors: BlackRock, MassMutual Ventures and 11 Others
- Latest Funding Round: Series B, Jul 31, 2026, $*****
- Highlight: Editors' Pick
4. Bcas
Provider of flexible financing options for students and educational institutions. This platform facilitates installment payment plans and income share agreements for individuals pursuing professional training programs. It allows students to cover tuition costs through monthly installments or deferred payments contingent upon future employment. Educational organizations integrate these financial tools into their admission processes to increase enrollment rates without assuming credit risks. The system performs automated profile assessments and manages contractual agreements between the student and the payment provider. All processing occurs through an online interface designed to remove financial barriers to education.
Key facts about Bcas
- Founded Year: 2021
- Location: Madrid (Spain)
- Stage: Series B
- Total Funding till date: $26.6M
- Employee Count: 49 as on Sep 30, 2026
- Investors: European Investment Fund, Actyus and 9 Others
- Latest Funding Round: Conventional Debt, Feb 04, 2026, $*****
- Highlight: Editors' Pick
Extension Fund's Year-on-Year Investment Trends
Extension Fund has invested in 18 companies over the last 5 years, with an average of 3 new investments annually in the last 5 years. In 2025, it made 3 investments. Its most recent first time investment was in Internxt and most recent follow-on round was in Vivla.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 0 | 0 | 0 |
2025 | 0 | 3 | 3 |
2024 | 1 | 2 | 3 |
2023 | 4 | 0 | 4 |
2022 | 5 | 1 | 6 |
2021 | 4 | 0 | 4 |
Extension Fund's Investments by Stage
Extension Fund has made 6 investments in Seed stage with an average round size of $1.53M, 6 investments in Series A stage with an average round size of $4.91M and 2 investments in Conventional Debt stage with an average round size of $14.6M.Stage of entry | No. of Investments |
|---|---|
Seed | 6 |
Series A | 6 |
Conventional Debt | 2 |
Note: We have considered here, only first round of investments
Extension Fund's Investments by Sector
Extension Fund has a diverse portfolio, with companies operating in the Enterprise Applications, FinTech, Consumer, InsurTech and Vertical SaaS. Notably, it has invested in 14 Tech companies, 9 Enterprise (B2B) companies, 9 Software companies and at least 8 companies focusing on Consumer (B2C).Sector | No. of Investments |
|---|---|
Enterprise Applications | 6 |
FinTech | 5 |
Consumer | 4 |
InsurTech | 4 |
Vertical SaaS | 3 |
Others | 18 |
Note: We have considered here, only first round of investments
Extension Fund's Investments by Geography
Extension Fund has made most investments in Spain (13), followed by United States where it has made 1 investment.Country | No. of Investments |
|---|---|
Spain | 13 |
United States | 1 |
Note: We have considered here, only first round of investments
Extension Fund's recent investments
Extension Fund has not made any investment in 2026 so far.Here are the most recent investments by Extension Fund:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Dec 19, 2025 | Spain | Venture Debt | 1564 | - | |
Jul 23, 2025 | Spain | Series A | 3847 | [+4] | |
Jul 16, 2025 | United States | Series B | 4704 | [+3] | |
Sep 19, 2024 | Spain | Conventional Debt | 7953 | [+2] | |
Sep 19, 2024 | Spain | Series B | 6189 | [+2] |
Acquired companies in Extension Fund's Portfolio
1 company from Extension Fund's portfolio has been acquired. The most recent acquisition was Vitaance in Oct 2025 by PIB Group for $*****.Here are Extension Fund's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Oct 29, 2025 | Feb 13, 2023 | Seed | 6775 |
Team profile of Extension Fund
Extension Fund has a team of 2 members located in Spain. Extension Fund's team does not sit on the board of any company as of now.Co-investors of Extension Fund
Over the past 5 years, 89 investors have co-invested in Extension Fund's portfolio companies. This includes funds and angels.
- Invested before Extension Fund: K Fund, Antai Ventures and 31 others have invested in rounds before Extension Fund. There are 2 companies where K Fund has invested before Extension Fund and 2 companies where Antai Ventures has invested before Extension Fund.
- Top Co-investors of Extension Fund: 36 investors entered a company along with Extension Fund. These include investors like Kevlar Investments (1 company).
- Invested after Extension Fund: A total of 20 investors have invested in Extension Fund's portfolio after their investments. Top Investors include Bonsai Partners (2 companies), CDTI (1 company) and Prosegur (1 company).
Recent News related to Extension Fund
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Start-up On The House launches new social out-of-home advertising ...AdNews•Jan 29, 2026•Purpose Ventures, Startmate, Extension Fund, UniQuest and 1 other
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VIVLA secures €55 million in financing led by Fasanara to expand across EuropeEl Referente•Dec 19, 2025•Fasanara, Vivla, Extension Fund
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Internxt closes a round of 3.3 million eurosMuyPymes•Aug 12, 2025•Prosegur, Extension Fund, Internxt, Angels Capital and 1 other
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Spanish proptech firm Vivla bags $8.7m to expand model for homeTech in Asia•Jul 24, 2025•Vivla, Samaipata, Bonsai Partners, FJ Labs and 5 others
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VIVLA closes an eight million euro round led by SamaipataEl Referente•Jul 23, 2025•Vivla, Samaipata, Bonsai Partners, Extension Fund and 4 others
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Tuio raises $16.7 millionCoverager•Sep 19, 2024•Tuio, MassMutual Ventures, BlackRock, BAMCAP and 1 other
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Tuio closes a 15 million round with the addition of BlackRock and MassMutual as investorsCronica de Cantabria•Sep 19, 2024•Tuio, BlackRock, MassMutual, MassMutual Ventures and 8 others
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Internxt closes a round of more than € 3 million.Funds participateCapital-Riesgo.es•Jan 16, 2024•Internxt, Telefonica, Extension Fund, Kevlar Investments and 3 others
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Barcelona-based Gretel bags over €634k for its digital marketing softwareEU-Startups•Apr 13, 2023•Gretel, Inveready, Extension Fund, Enzo Ventures
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Gretel closes a round of 630,000 euros with Inveready, Extension and EnzoExpansion•Apr 13, 2023•Gretel Technologies, Inveready, Extension Fund, Enzo Ventures and 1 other
