Sector · Funding
Deep tech funding in Europe
What we track in Deep tech: 1 startup, 10 tracked rounds, 20 stories. Updated as the records change.
Capital tracked€3,292,397,447
Rounds122
Startups97
Events tracked67
Stories19
€3.3B
Capital tracked
122
Disclosed rounds
€891.4M
Biggest round
97
Startups tracked
Deep tech, in numbers
122 rounds on record · 121 with a disclosed amount
Rounds by stage
Seed 37%
Series A 24%
Pre-seed 17%
Series B 10%
Growth 5%
Capital by year
Share of rounds
Source: Sesamers round tracker · full data desk →
Largest rounds tracked
Disclosed rounds only · EUR-converted at desk rates
| Company | Round | Sector | Lead | Amount |
|---|---|---|---|---|
| Advanced Machine Intelligence France | Seed | AI | Cathay Innovation, Greycroft, Hiro Capital, HV Capital, Bezos Expeditions | €891.4M |
| HoloSolis France | Undisclosed | Climate | - | €220M |
| Poolside France | Seed | AI | Felicis and Xavier Niel | €115.6M |
| Quobly France | Series A | Deep tech | Bpifrance, STMicroelectronics, SEALSQ | €115M |
| Quobly France | Series A | Deep tech | - | €115M |
| Xoople Spain | Series B | AI | Nazca Capital | €111.1M |
What we have written
19 stories on Deep tech
23Apr TheStorage raises €3.6M seed to scale sand-based thermal energy storage Finland's TheStorage has raised a €3.6M seed round led by Voima Ventures, with Superhero Capital, 2C… 22
Apr Fundraising of the Week (Week 16): European Startups Pull In ~40M Across Quantum, AI and Deeptech European tech startups collectively raised more than €40 million in disclosed equity this week, with Finnish… 13
Apr Pixel Photonics raises €13.5 million to bring quantum photon detectors from lab to market Europe’s quantum technology sector is attracting increasing attention from both private investors and public institutions, as… 09
Apr Golden Owl raises €1.4 million to advance AI-powered OSINT and anticipatory intelligence As geopolitical instability, hybrid threats, and the proliferation of disinformation reshape the global risk landscape, the… 08
Apr Xoople raises $130 million to build Earth’s AI data infrastructure from space Nazca Capital leads Series B as Spanish startup enters unicorn territory Europe’s space technology sector is…
Startups in Deep tech
From the directory
S-
S-Transistors
Deep tech · Pre-seed
Finnish quantum-hardware startup building superconducting transistors to control and scale cryogenic quantum computers.
Pre-seed · €2,600,000
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WI
Wise-integration
Deep tech · Series B
CEA-Leti spin-off making digitally controlled gallium nitride power ICs for smaller, more efficient chargers
Series B · €15,000,000
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SP
Scintil Photonics
Deep tech
Grenoble CEA-Leti spin-off making silicon photonic chips with lasers integrated directly on-wafer
€4,000,000
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Who invests here
Funds with a verified round in this hub · most active first
Supernova Invest
Growth–Seed · Climate
Led 4 of 5 rounds tracked in Deep tech. Supernova Invest is the deep tech venture platform created in 2017 out…
EUR 1M–EUR 30M
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Sofinnova Partners
Growth–Seed · Biotech
3 rounds tracked in Deep tech. Sofinnova Partners is a life sciences venture capital firm founded in 1972…
Ticket undisclosed
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Singular
Seed–Series A · AI
Led 2 of 2 rounds tracked in Deep tech. Singular is a Paris venture capital firm with a London office, investing…
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Next up
The Deep tech calendar · 67 tracked
14Sep Cambridge Tech Week Festival · Cambridge, United Kingdom · 1500 5 days 16
Sep SIDO Lyon Tradeshow · Lyon, France · 8000 2 days 21
Sep Sting Demo Day Demo day · Stockholm, Sweden 1 day 25
Sep Science in the City Festival · Valletta, Malta · 33000 2 days 29
Sep Toulouse Space Forum Conference · Toulouse, France · 600 1 day 29
Sep BIOSPAIN Conference · Bilbao, Spain · 2400 3 days
Programs in Deep tech
Open calls first
Cambridge Tech Week — Innovation Alley 2026
Startup zone
A stand in the curated Innovation Alley showcase at Cambridge's Guildhall and Corn Exchange on 16-17 September, alongside 80+ AI, MedTech, HealthTech, ClimateTech and advanced-engineering companies, plus automatic entry into the CamTechWeek Pitch Competition, where five selected companies pitch on the main Corn Exchange stage to an eminent panel of investors and industry leaders and get national and international media exposure. Stands cost GBP 350 + VAT for startups and GBP 1,500 + VAT for scaleups. · None
Upcoming
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Deep Tech Atelier — Startup Pitch Competition 2026
Competition
Ten finalists are picked across the competition's categories. They go through a training bootcamp on 13 May 2026, semi-finals on 14 May and the final and award ceremony on 15 May at Fantadroms in Riga, with mentorship and exposure to the investors and corporates in the room. The organisers state that selected participants receive prizes, but do not publish the amounts. · None
Upcoming
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Foro Transfiere — Open Call for Deep Tech Startups 2026
Competition
Five startups reach the final phase and win a cash prize plus a place in the following Transfiere edition through the content programme and access to the networking agenda · None
Upcoming
view →