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Investors / Underground Ventures

Underground Ventures

Venture capital

ugv.coTakes pitches from founders

Underground Ventures is a technology investment firm deploying $40m into companies building geothermal technologies that produce heat or electricity from within the Earth. It invests in the picks and shovels of geothermal across the value chain rather than in project developers or operators.

Invests inEducationIndustrial & Manufacturing

In its own wordsgeothermalenergydeep techsubsurfacedrillingclimate

Your fit with Underground Ventures

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6portfolio companies
3funding rounds on record1 led
3rounds, last 12 months
$20M to $100Mtypical round it comes in at
Seedmost frequent entry

Underground Ventures lists 6 checked portfolio companies on its own site and is named in 3 funding rounds, 1 of them as lead. Its most frequent entry is Seed, 33% of the companies with a known first round. Its largest themes are Education (50%), Industrial & Manufacturing (42%) and Climate & Energy (8%). 50% of its companies are based in United States. It invests most often alongside Susquehanna Sustainable Investments, Elemental Impact and Exa Ventures.

Counts come from funding rounds that name Underground Ventures, 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
Show as a table
Share of companies by the stage of the firm's first round
Value
Pre-seed0%
Seed33%
Series A33%
Series B0%
Growth33%

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
'2631

Investor profile

percentile among all firms
Portfolio size: 6 companiesRecent activity: 3 rounds in 12 monthsEarly stage: 33% of entries at pre-seed or seedEvidence: 50% of companies confirmed by a roundSector focus: 50% in its largest sectorReach: 3 countriesPortfolio size8th pctRecent activity76th pctEarly stage64th pctEvidence100th pctSector focus85th pctReach58th pct
This firmMedian of all firms
Show as a table
Underground Ventures compared with all firms
MeasurePercentile of all firmsValue
Portfolio size8th6 companies
Recent activity76th3 rounds in 12 months
Early stage64th33% of entries at pre-seed or seed
Evidence100th50% of companies confirmed by a round
Sector focus85th50% in its largest sector
Reach58th3 countries

Invests most often with

firms sharing its portfolio companies
Show as a table
Co-investors
Share
Susquehanna Sustainable Investments3
Elemental Impact1
Exa Ventures1
Extantia1
Founders First1
Future Ventures1
Humba Ventures1
Kickfund1

All co-investors

Its portfolio companies

where they are based, and what their own sites show

Site status

  • Site answers6100%
  • 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
Education50%7%
Industrial & Manufacturing42%7%
Climate & Energy8%1%

Compare Underground Ventures 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 Underground Ventures
DateCompanyStage
9 Jul 2026Hephaehephaeet.comSeries A Led
17 Jun 2026Critical Energycriticalenergy.comSeed
12 Mar 2026GA Drillinggadrilling.comSeries C+

Round details for Underground Ventures

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

See rounds on Fundup AI →

Portfolio

6 companies checked against their own sites
CompanyWhat it doesThemesFirst round with itEvidence
Boroboticsborobotics.ch · SwitzerlandBorobotics develops and uses a robotic drilling system for geothermal energy, particularly for heating purposes.
Industrial & ManufacturingClimate & Energy
Portfolio page
Canopuscanopusdrillingsolutions.comCanopus develops and applies drilling technology for geothermal energy applications
EducationIndustrial & Manufacturing
Portfolio page
Critical Energycriticalenergy.com · United StatesCritical Energy builds modular power plants that convert heat into electricity
EducationIndustrial & Manufacturing
Jun 2026SeedPage + round
GA Drillinggadrilling.com · SlovakiaGA Drilling develops and commercializes drilling technology for geothermal and oil & gas wells
Industrial & ManufacturingIndustrial & Manufacturing
Mar 2026Series C+Page + round
Hephaehephaeet.com · United StatesHephae develops and applies high temperature electronics to support the life cycle of geothermal wells
EducationEducation
Jul 2026Series APage + round
TerraFernoterraferno.comTerraFerno improves the economics of geothermal energy and maximizes the ROI for geothermal operators by advancing geothermal downhole completions and production tools.
EducationEducation
Portfolio page

About this data

site last read 5 Nov 2026
The homepage of Underground Ventures, as last read
ugv.co as VCinfo last read it
Site
ugv.co
Last read
5 Nov 2026
Watching since
5 Nov 2026
Rounds since
12 Mar 2026
Companies checked
6

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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