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Investors / France / Calderion

Calderion

Venture capital · Paris, France · Europe

calderion.com

Calderion is an industrial and technological venture capital fund focused on the next generation fuels value chain. It invests in technologies across hydrogen production, CO2 capture, and carbon-to-molecules conversion for heavy industry and mobility.

Invests inIndustrial & ManufacturingEducation

In its own wordshydrogencarbon capturesynthetic fuelsclean moleculesenergy transitiondeep tech

Your fit with Calderion

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9portfolio companies
3funding rounds on record
3rounds, last 12 months
$20M to $100Mtypical round it comes in at
Seedmost frequent entry

Calderion lists 9 checked portfolio companies on its own site and is named in 3 funding rounds. Its most frequent entry is Seed, 33% of the companies with a known first round. Its largest themes are Industrial & Manufacturing (39%), Education (17%) and Climate & Energy (11%). 40% of its companies are based in France. It invests most often alongside Breakthrough Energy Ventures, Crane Venture Partners and ENGIE New Ventures.

Counts come from funding rounds that name Calderion, complete from mid-2025: earlier rounds appear only when they were reported later. Round amounts and full round histories are on Fundup AI.

Entry stage

share of companies by the stage of its first round

Calderion does not state its stages on its site, so only what it does is shown.

Show as a table
Share of companies by the stage of the firm's first round
Value
Pre-seed0%
Seed33%
Series A33%
Series B33%
Growth0%

Activity by year

rounds it joined, last 10 years
Show as a table
Funding rounds per year
TotalRounds it led
'1700
'1800
'1900
'2000
'2100
'2200
'2300
'2400
'2500
'2630

Investor profile

percentile among all firms
Portfolio size: 9 companiesRecent activity: 3 rounds in 12 monthsEarly stage: 33% of entries at pre-seed or seedEvidence: 0% of companies confirmed by a roundSector focus: 39% in its largest sectorReach: 4 countriesPortfolio size19th pctRecent activity76th pctEarly stage64th pctEvidence52th pctSector focus72th pctReach70th pct
This firmMedian of all firms
Show as a table
Calderion compared with all firms
MeasurePercentile of all firmsValue
Portfolio size19th9 companies
Recent activity76th3 rounds in 12 months
Early stage64th33% of entries at pre-seed or seed
Evidence52th0% of companies confirmed by a round
Sector focus72th39% in its largest sector
Reach70th4 countries

Invests most often with

firms sharing its portfolio companies
Show as a table
Co-investors
Share
Breakthrough Energy Ventures2
Crane Venture Partners2
ENGIE New Ventures2
AP Ventures1
Agoranov1
Braid Theory1
British Business Bank1
Creative Destruction Lab1

All co-investors

Its portfolio companies

where they are based, and what their own sites show

Site status

  • Site answers9100%
  • No longer answers00%
  • Points to another company00%
  • Parked or sold domain00%

A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.

Investment themes

share of its checked companies

This firmAll checked companies

Show as a table
Investment themes
This firmAll checked companies
Industrial & Manufacturing39%7%
Education17%7%
Climate & Energy11%1%
Space & Defense11%3%
E-commerce & Marketplaces11%6%
AI & Machine Learning6%18%
Food & Agriculture6%3%

Compare Calderion head to head

portfolio size, rounds, entry stages, themes and the companies both back

Three or more firms at once: portfolio overlap.

Recent portfolio activity

when companies last raised with Calderion
DateCompanyStage
25 Jun 2026h2site.comh2site.comSeries B
13 May 2026Mantle8mantle8.comSeries A
3 Feb 2026Geolinks Servicesgeolinkservice.comSeed

Round details for Calderion

Amounts, full round histories and every co-investor in Calderion's rounds are on Fundup AI. VCinfo covers investors and their portfolios.

See rounds on Fundup AI →

Portfolio

9 companies checked against their own sites
CompanyWhat it doesThemesFirst round with itEvidence
Geolinksgeolinks-services.comGeolinks helps industrial operators understand how fluids and subsurface conditions evolve over time.
Industrial & ManufacturingE-commerce & Marketplaces
Portfolio page
Geolinks Servicesgeolinkservice.com · FranceGeolinks helps industrial operators understand how fluids and subsurface conditions evolve over time.
Industrial & ManufacturingE-commerce & Marketplaces
Feb 2026SeedFunding round
Graforcegraforce.comGraforce produces hydrogen from energy-rich chemical compounds in waste materials using plasma-supported pyrolysis reactors
EducationEducation
Portfolio page
h2site.comh2site.com · SpainH2SITE develops membrane reactor technology to separate and purify hydrogen from other molecules for transportation and storage purposes.
Industrial & ManufacturingSpace & Defense
Jun 2026Series BFunding round
H2SITEh2site.euH2SITE develops membrane reactor technology to separate hydrogen from molecules for transportation and storage purposes.
Industrial & ManufacturingSpace & Defense
Portfolio page
Khimodkhimod-alcen.comKhimod develops high-performance technology portfolio for low-carbon fuels production and advanced flow chemistry
Industrial & ManufacturingClimate & Energy
Portfolio page
Mantle8mantle8.com · FranceMantle8 explores and develops natural hydrogen resources using geology, geophysics, and geochemistry data.
EducationIndustrial & Manufacturing
May 2026Series AFunding round
Miticomitico.tech · United StatesMitico collects and purifies carbon dioxide at the source post-combustion before it enters the atmosphere.
Industrial & ManufacturingClimate & Energy
Portfolio page
WASEwase.co.uk · United KingdomWASE maximises biogas production with its next-generation waste-to-energy technology
AI & Machine LearningFood & Agriculture
Portfolio page

About this data

site last read 7 Nov 2026
The homepage of Calderion, as last read
calderion.com as VCinfo last read it
Site
calderion.com
Last read
7 Nov 2026
Watching since
7 Nov 2026
Rounds since
3 Feb 2026
Companies checked
9

Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.

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GET /v1/firms/calderion.com/portfolio
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