Funding
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SiteGround Capital

siteground.capital ↗Activity from announced rounds

All recorded activity

SiteGround Capital is a family office backing science and engineering businesses across deep technology, sustainability and AI.

Patient capital for science and engineering

SiteGround Capital is the investment business built by SiteGround’s founders, operating as a family office. Its stated areas span deep technology, sustainability and intelligence, including energy systems, biotechnology, advanced computing and industrial applications of AI. The organization describes its approach as providing patient capital for businesses whose development requires time and technical depth.

Activity recorded by RoundOS

RoundOS records participation in Axelera AI, Sage Geosystems and Mazama Energy. These transactions cover AI hardware and geothermal energy, illustrating part of the office’s stated focus. They reflect the financing events covered by this database; SiteGround Capital publishes a broader company portfolio on its own website.

Sources
Rounds participated in
3
Confirmed lead rounds
0
2 roles undisclosed
New companies
3
First participation on record · 0 follow-on
Funding in participating rounds
$482M
3 disclosed · full round size, not this investor’s share

By stage

Series B2
Growth1

By primary sector

Climate tech2
Hardware1

By country

United States2
Netherlands1

Rounds

3 in all activity
Mazama Energy

A geothermal developer building enhanced geothermal systems that create engineered reservoirs in very hot rock to deliver round-the-clock electricity.

$135MSeries B
Participant
Axelera AI

Develops AI acceleration hardware for edge computing and data center applications

$250MGrowth
Role not disclosed
Sage Geosystems

Develops next-generation geothermal power generation and energy storage solutions

$97MSeries B
Role not disclosed