Multi-stage VC, Zurich
Redalpine
Venture capital firm · Zurich · Founded 2006
Quick read
Redalpine is a Swiss multi-stage venture capital firm, founded in 2006, headquartered in Zurich with an additional office in Berlin. With over €1bn in assets under management and 97+ portfolio companies, it backs software and science companies across Europe from seed through growth stage via its evergreen Summit Fund. Notable bets include N26, Klarna, Taxfix, Proxima Fusion, and Flexion Robotics.
Key facts
- Founded
- 2006
- Founders
- Michael Sidler, Peter Niederhauser
- Employees
- 49
- Sectors
- saas, fintech, healthcare, ai, biotech
- Website
- www.redalpine.com
Investment thesis
Redalpine backs software and science companies across Europe from seed to growth stage, with a sector-agnostic approach anchored in ICT and health tech. The firm combines financial capital with operational support, targeting companies it believes can become category-defining businesses — and reserves follow-on capacity through its evergreen Summit Fund for later-stage deployment.
Recent activity
- Jul 2026investmentRedalpine's founding partner Michael Sidler highlighted the firm's 2024 early-stage investment in Proxima Fusion, which closed a €411M Series A2 at a €2.4bn valuation — making it Europe's best-funded fusion company and the best-funded stellarator project globally. Google and RWE backed the round. linkedin.com
- Jun 2026investmentRedalpine invested in Tokura, a Germany-based company building infrastructure for ambulatory surgery, on 9 June 2026. pitchbook.com
- Jun 2026investmentRedalpine backed Apoha, which raised $36M for its liquid state intelligence platform, described as a new class of molecular data. tracxn.com
- May 2026pressRedalpine published a feature on Nscale, describing it as building the foundational layer for the AI era, and on Helical, an AI lab focused on reproducible drug discovery — both portfolio companies highlighted in the firm's May newsletter. redalpine.com
- Apr 2026pressRedalpine published a digital health report with Sifted covering how the sector is moving from wellness into clinical applications. redalpine.com
- Mar 2026pressRedalpine co-published a report with Sifted titled 'The real moat in the age of AI', part of a broader European Dynamism series identifying six sectors where Europe can lead. redalpine.com
- Sep 2026pressRedalpine is listed as an associate partner of the Sifted Summit 2026, scheduled for 30 September–1 October in London. summit.sifted.eu
- 2024leadershipSebastian Becker was promoted to General Partner at Redalpine, having joined the firm as an intern five years prior. linkedin.com
- May 2026pressRedalpine published a piece on Nscale, describing it as building the foundational layer for the AI era, signalling continued focus on AI infrastructure investments. redalpine.com
- May 2026investmentRedalpine spotlighted portfolio company Helical, a virtual AI lab focused on reproducible drug discovery, which raised $10M with co-investors including Gradient Ventures, Frst Capital, and BoxGroup. tracxn.com
- Apr 2026pressRedalpine co-published a digital health report with Sifted as part of their European Dynamism series, covering the shift from wellness to clinical applications. redalpine.com
- Mar 2026pressRedalpine and Sifted released a joint report titled 'The real moat in the age of AI', part of their ongoing European Dynamism series identifying sectors where Europe can compete. redalpine.com
Notable investments
- TokuraUndisclosedJun 2026pitchbook.com
- ApohaUndisclosed ($36M total)Jun 2026tracxn.com
- NscaleUndisclosedMay 2026redalpine.com
- HelicalUndisclosedMay 2026redalpine.com
- Proxima FusionSeries A2 (€411M at €2.4bn valuation)2024 (initial); Jul 2026 (Series A2 close)linkedin.com
- HelicalSeedApr 2026tracxn.com
- MagdriveundisclosedFeb 2025techcrunch.com
- LegalFlySeedundisclosedlinkedin.com
- AktiiaundisclosedFeb 2024growthequityinterviewguide.com
- Flexion RoboticsSeries AApr 2026thestartupwatch.com
- Proxima Fusionundisclosed2024ch.linkedin.com
- Infinite Rootsundisclosed2024ch.linkedin.com
Key people
Named individuals at the firm. We don't expose direct email or phone — use their LinkedIn for outreach.
- Michael Sidler · Founder & Partner
- Sebastian Becker · General Partner
- Michelle Kuepper · Head of Communications
- Peter Niederhauser · Co-founder & General Partner
- Robert Heinzer · General Partner
- Aurélien Stiegler · Partner
Sources
- Redalpine | LinkedIn
- Redalpine expands leadership team amid CHF 1bn-plus fundraise | Unquote
- Redalpine — investor profile, rankings, portfolio | Dealroom
- Flexion raises $50M Series A | The Startup Watch
- Redalpine - 2026 Investor Profile | Tracxn
- Why Redalpine: Interviews, Careers, & Portfolio
- Redalpine | LinkedIn (CH)
- https://www.redalpine.com/
- https://www.redalpine.com/stories
- https://www.cbinsights.com/investor/redalpine-venture-partners
- https://techcrunch.com/2025/02/25/redalpine-founders-fund-back-magdrives-electric-thruster-business/
- https://www.linkedin.com/in/sidler/
- https://pitchbook.com/profiles/investor/55123-03
- https://summit.sifted.eu/associate-partners/redalpine
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Frequently asked
What is Redalpine?+
Redalpine is a Swiss multi-stage venture capital firm, founded in 2006, headquartered in Zurich with an additional office in Berlin. With over €1bn in assets under management and 97+ portfolio companies, it backs software and science companies across Europe from seed through growth stage via its evergreen Summit Fund.
Where is Redalpine headquartered?+
Redalpine is headquartered in Zurich, Switzerland.
When was Redalpine founded?+
Redalpine was founded in 2006 by Michael Sidler, Peter Niederhauser.
What sectors does Redalpine invest in?+
Redalpine focuses on saas, fintech, healthcare, ai, biotech. They primarily invest in these sectors.
How do I prepare for a meeting with Redalpine?+
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