Arcas Ventures Research
Overview
Arcas Ventures GmbH is a private, independent German investment vehicle based in Düsseldorf (c/o BFW, Cecilienallee 17). Its own site describes it as backing early-stage European deep tech, both founders directly and the funds that find them. It is an unregulated investment vehicle (no BaFin license) and the firm's site reports 20+ portfolio companies and 8+ fund investments. Third-party listings give a founding year of 2025, though an investment manager's LinkedIn profile shows him at Arcas since February 2021, so the vehicle likely predates the current branding.
Investment Thesis
The stated belief is that Europe's greatest untapped asset is its deep scientific and technical IP. The mission is to back the founders who turn that knowledge into category-defining companies, with "patient capital for impatient founders". They invest in expert teams solving hard, meaningful problems and position themselves as a multiplier and collaborator for the wider European deep tech ecosystem.
Stage Focus
First checks at pre-seed and seed, with the ability to follow on in subsequent rounds. IQM, a later-stage quantum hardware company, appears in the portfolio, which suggests follow-on or later participation in some names.
Check Size
Not disclosed on the site. No check size range is recorded here rather than guessed.
Lead Tendency
Not stated. The site and press give no evidence of leading versus following, so this is recorded as unknown.
Dual Strategy: Direct and LP
Arcas acts as both a direct investor and an active LP. Its portfolio page lists nine fund positions: First Momentum, Nucleus, Caesar, SDAC, Satgana, Balnord, Visionaries Club, Ruya and Golden Egg Check. These are LP commitments to other European (largely deep tech and early-stage) funds, so they are not counted as portfolio companies. For founders, this fund network is a possible route to co-investors and follow-on capital.
Portfolio Highlights
The page groups 21 direct companies by category:
- Computational Science: Quantistry (no-code chemical simulation), Helio Additive (physics-based simulation for 3D printing), Magmatic Bio (synthetic mineral-binding proteins), Radiogenesis (AI drug discovery for radioligand cancer therapies)
- Novel Computing and AI: QuantPi (AI risk assessment), IQM (full-stack superconducting quantum computers), Commutator Studios (quantum error management software), roofline (AI compiler for edge deployment)
- AgriFood Tech: Seedsight (photonics grain quality assessment), Concert Bio (microbes for hydroponics), CarbonCloud (scope 3 food emissions tracking), SenseUp (RNA-based biopesticides)
- Medtech and Life Science: Nuuron (digital therapeutics for Alzheimer's), Priavoid (peptide therapeutics for neurodegeneration), QTAS (quantum sensing for liquid biopsy), T-CURX (CAR-T therapies), Vitroscope (organoid perfusion platform), Mu-Ray (muon beam imaging for QC and diagnostics)
- Space: ISP Tech (in-space propulsion)
- Materials and Chemistry: Co-reactive (CO2 mineralization into cement additives), Infiniti Recycling (solvent-based battery recycling)
The page also has an "Acquisitions & Exits" filter, but it shows no named exits in the content we could read.
Team
- Thilo Fleck, Managing Director (Geschäftsführer, per the Impressum)
- Philipp Wallraf, Managing Director (Geschäftsführer, per the Impressum)
- Simon Liang, Investment Manager, investing in European deep tech (directs and funds), Düsseldorf; at Arcas since 2021 per LinkedIn
The website has no team page, so titles beyond these sources are unknown.
Decision Process
Not disclosed. Two managing directors suggest a small partnership-style decision group.
Founder Preferences
Expert, science- or engineering-rooted teams with deep technical IP, solving hard problems in computation, life science, agrifood, space and materials.
Geographic Focus
Europe. The firm is German and the portfolio includes Nordic and Finnish companies (CarbonCloud, Vitroscope, IQM); company HQs were not verified individually, so no per-country split is given.
Recent Activity
No dated investment announcements, fund closes or essays were found in web searches, so no activity events are submitted. Fund status is unknown. Contact: [email protected].
Gaps
AUM, check size, lead tendency, fund size and investment dates are not public on the site. Portfolio stages are not stated, so none are recorded.