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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.
Key Metrics
Founded Year
2007
Location
Vienna, Austria
Portfolio Companies
Sectors of Investment
Stages of Investment
Seed, Angel & 1 more
Locations of Investment

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:
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

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
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
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
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 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.
Here are i5invest's investments by stage:
Stage of entry
No. of Investments
Seed
6
Angel
1
Series A
1
Breakdown of i5invest's investments by stage of entrySeed (6)Angel (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).
Here are i5invest's investments by sector:
Sector
No. of Investments
Consumer
5
FinTech
3
Auto Tech
1
Energy Tech
1
Environment Tech
1
Others
10
Breakdown of i5invest's investments by sectorsConsumer (5)FinTech (3)
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.
Here are i5invest's investments by geography:
Country
No. of Investments
Austria
7
Germany
1
Breakdown of i5invest's investments by countriesAustria (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
Dec 07, 2021
Austria
Series A
6508
Dec 2019
Austria
Seed
4382
Apr 01, 2016
Austria
Seed
1147
Feb 2013
Austria
Series A
5085

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 i5investJan 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 i5invest15 investors entered a company along with i5invest. These include investors like 360 Capital Partners (1 company).
  • Invested after i5investA 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).

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