About i5invest
i5invest, an accelerator and incubator program founded in 2007, is based in Vienna, Austria. With a presence in 10 countries, it has supported around 66 startups in sectors like Enterprise Applications, High Tech. As of Apr 2026, i5invest has witnessed 29 portfolio exits. Most notable companies in
its portfolio include Nosto, Runtastic and TourRadar. The program is backed by a team of 58 people who primarily support Seed startups based in Austria. Its latest investment was a Undisclosed Seed round in Bambus on Sep 26, 2023, which also saw participation from David Savasci and Calm/Storm.
i5invest's List of Top Investments
i5invest has a portfolio of 66 companies. Their most notable investmentis in BambusTheir portfolio spans across Austria, Germany, United States and 7 more locations. They have invested in Enterprise Applications, High Tech, Consumer and 22 other sectors, across stages such as Seed, Angel and 1 more. Here is the list of top investments by i5invest:1. Nosto
SaaS-based personalized product recommendation solution for online retailers. Its plug and play solution makes the technology accessible to online stores. Solutions includes automating marketing activities, conversion management, customer retention, and more.
Key facts about Nosto
- Founded Year: 2011
- Location: Helsinki (Finland)
- Stage: Series B
- Total Funding till date: $32.8M
- Employee Count: 177 as on Dec 20, 2025
- Investors: Wellington Partners Venture Capital, Kreos Capital and 14 Others
- Latest Funding Round: Series B, Feb 23, 2023, $*****
- Highlight: Editors' Pick
2. Runtastic
Runtastic’s mobile fitness applications sync directly with proprietary hardware to track distance, pace, time, heart rate, calories and route traveled when running, biking or engaging in other exercise activities. Results can then be viewed directly within the app, via Runtastic GPS devices or on Runtastic.com where users can view their online training log, get detailed data analysis and compare with others. Axel Springer has acquired 50.1% stake in company.
Key facts about Runtastic
- Founded Year: 2009
- Location: Pasching (Austria)
- Stage: Acquired
- Total Funding till date: $188K
- Employee Count: 263 as on Jul 01, 2024
- Investors: i5invest, Axel Springer and 1 Other
- Latest Funding Round: Series A, Oct 01, 2013, $*****
- Highlight: Acquired
3. TourRadar
Operator of an online platform for booking multi-day tours. The platform provides options for organized adventures, including safaris and river cruises. It offers travelers a way to explore and book organized trips. The platform facilitates booking experiences with tour operators.
Key facts about TourRadar
- Founded Year: 2010
- Location: Vienna (Austria)
- Annual Revenue: €14.1M as on Dec 31, 2023
- Valuation: $*****
- Stage: Series C
- Total Funding till date: $74.9M
- Employee Count: 135 as on Feb 28, 2026
- Investors: TCV, Isomer Capital and 17 Others
- Latest Funding Round: Series C, Jun 26, 2018, $*****
- Highlight: Editors' Pick

4. Emotion3D
Emotion3D develops camera-based cabin monitoring solutions for comfort & safety in vehicles. Its software utilizes ML algorithms to analyze, understand, and react to humans and objects inside the car. Monitors driver & passengers in real-time and delivers insightful information about anthropometric properties, physical states, head & body poses, and behavior, as well as vehicle interiors. Also finds applications in off-highway vehicles/machinery, railway, and aviation industry. Has partnered with BMW, Nvidia, ZF, ZKW, and AVL.
Key facts about Emotion3D
- Founded Year: 2011
- Location: Vienna (Austria)
- Stage: Acquired
- Total Funding till date: $14.8M
- Employee Count: 17 as on Jul 01, 2024
- Investors: Ridge Ventures, i5invest and 2 Others
- Latest Funding Round: Grant (prize money), Mar 01, 2021, $*****
- Highlight: Acquired

5. planqc
Provider of scalable quantum computers using lasers. It provides users with a compamny that uses the quantised motion of laser-cooled trapped ions or charged atomic particles as their physical support for Universal Quantum computers. Its features include quantum information, qubits scaling, and laser pulses.
Key facts about planqc
- Founded Year: 2022
- Location: Garching (Germany)
- Stage: Series A
- Total Funding till date: $59M
- Employee Count: 51 - 200 as on Jul 17, 2025
- Investors: Speedinvest, APEX Ventures and 8 Others
- Latest Funding Round: Grant (prize money), Jul 08, 2024, $*****
- Highlight: Editors' Pick
i5invest's Year-on-Year Investment Trends
i5invest has invested in 66 companies over the last 18 years, with an average of 0 new investment annually in the last 10 years. Its most recent first time investment was in Bambus and most recent follow-on round was in wikifolio.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 0 | 0 | 0 |
2025 | 0 | 0 | 0 |
2024 | 0 | 0 | 0 |
2023 | 1 | 0 | 1 |
2022 | 0 | 0 | 0 |
2021 | 1 | 0 | 1 |
2020 | 0 | 0 | 0 |
2019 | 1 | 0 | 1 |
i5invest's Investments by Stage
i5invest has made 6 investments in Seed stage with an average round size of $795K, 1 investment in Angel stage and 1 investment in Series A stage with an average round size of $8.7M.Stage of entry | No. of Investments |
|---|---|
Seed | 6 |
Angel | 1 |
Series A | 1 |
Note: We have considered here, only first round of investments
i5invest's Investments by Sector
i5invest has a diverse portfolio, with companies operating in the Consumer, FinTech, Auto Tech, Energy Tech and Environment Tech. Notably, it has invested in 53 Tech companies, 48 Enterprise (B2B) companies, 34 Software companies and at least 19 companies focusing on Consumer (B2C).Sector | No. of Investments |
|---|---|
Consumer | 5 |
FinTech | 3 |
Auto Tech | 1 |
Energy Tech | 1 |
Environment Tech | 1 |
Others | 10 |
Note: We have considered here, only first round of investments
i5invest's Investments by Geography
i5invest has made most investments in Austria (7), followed by Germany where it has made 1 investment.Country | No. of Investments |
|---|---|
Austria | 7 |
Germany | 1 |
Note: We have considered here, only first round of investments
i5invest's recent investments
i5invest has not made any investment in 2026 so far.Here are the most recent investments by i5invest:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Sep 26, 2023 | Germany | Seed | 1573 | [+2] | |
Dec 07, 2021 | Austria | Series A | 6508 | [+3] | |
Dec 2019 | Austria | Seed | 4382 | [+2] | |
Apr 01, 2016 | Austria | Seed | 1147 | [+4] | |
Feb 2013 | Austria | Series A | 5085 | [+1] |
IPOs and Publicly Listed companies in i5invest's Portfolio
2 of i5invest's portfolio companies have become public.Here are i5invest's portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
- | - | - | 2285 | |
- | - | - | 7415 |
Acquired companies in i5invest's Portfolio
27 companies from i5invest's portfolio have been acquired. The most recent acquisition were Emotion3D in Aug 2025 by Indie for $20M.Here are i5invest's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Aug 13, 2025 | - | - | 4471 | |
Oct 09, 2024 | - | - | 7712 | |
Jun 04, 2024 | - | - | 2899 | |
Mar 07, 2023 | - | - | 5614 | |
Jan 16, 2023 | - | - | 6205 |
Team profile of i5invest
i5invest has a team of 58 members including 13 Partners and 5 Principals located in Austria, United States and 2 more locations. i5invest's team does not sit on the board of any company as of now.Here is a list of top team members in i5invest:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | San Francisco | - | - | |
Partner | Germany | - | ||
Partner | United Kingdom | - | ||
Partner | Seattle | - | ||
Partner | Germany | - | ||
Partner | Vienna | - | ||
Partner | Austria | - | ||
Partner | San Francisco | - | ||
Partner | Palo Alto | - | ||
Partner | Frankfurt | - | - | |
Partner | Austria | - |
Co-investors of i5invest
Over the past 18 years, 38 investors have co-invested in i5invest's portfolio companies. This includes funds and angels.
- Invested before i5invest: Jan Deepen, Stefan Jeschonnek and 3 others have invested in rounds before i5invest. There is 1 company where Jan Deepen has invested before i5invest and 1 company where Stefan Jeschonnek has invested before i5invest.
- Top Co-investors of i5invest: 15 investors entered a company along with i5invest. These include investors like 360 Capital Partners (1 company).
- Invested after i5invest: A total of 18 investors have invested in i5invest's portfolio after their investments. Top Investors include Axel Springer (1 company) and Zouk Capital (1 company).
Recent News related to i5invest
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Emerald helping to boost grid flexibility across Europe with enspired investmentEmerald Technology Ventures•Dec 09, 2021•Emerald Technology Ventures, Emerald Technology Ventures, Enspired, 360 Capital Partners and 4 others
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Software for real estate industry gets fundingVenture Capital magazine•Jul 22, 2019•BIM SPOT, BitStone Capital, i5invest
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