Funding
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Prelude Ventures

Activity from announced rounds

Activity in this selectionUnited States · Oct 4, 2026 · Jul 7, 2026

Prelude Ventures invests in early-stage companies whose technologies can help mitigate climate change.

Investment focus

The firm’s portfolio spans energy, carbon management, industrial technology, mobility and other sectors affected by the transition to lower-carbon systems. Its strategy supports companies developing both physical technology and software.

Activity recorded by RoundOS

Recorded examples include Quaise’s geothermal drilling, Branch Energy’s distributed energy systems, Form Energy’s multi-day batteries and Rhoda AI’s robotics. This selection shows the activity currently recorded by RoundOS alongside the firm’s wider stated climate mandate.

Sources
Rounds participated in
2
Confirmed lead rounds
0
1 roles undisclosed
New companies
2
First participation on record · 0 follow-on
Funding in participating rounds
$167M
2 disclosed · full round size, not this investor’s share

By stage

Series B2

By primary sector

Climate tech2

By country

United States2

Rounds

2 in this selection
Branch Energy

Distributed-energy software and battery systems that help commercial buildings lower electricity costs and maintain power during outages.

$33MSeries B
Participant
Quaise Energy

Develops millimeter-wave drilling technology to access superhot geothermal energy resources

$134MSeries B
Role not disclosed