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Prelude Ventures

Activity from announced rounds

Activity in this selectionUnited States · Oct 23, 2026 · Jan 1, 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
3
Confirmed lead rounds
0
2 roles undisclosed
New companies
3
First participation on record · 0 follow-on
Funding in participating rounds
$617M
3 disclosed · full round size, not this investor’s share

By stage

Series B2
Series A1

By primary sector

Climate tech2
Robotics1

By country

United States3

Rounds

3 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
Rhoda AI

Builds robotic intelligence for real-world environments using video-predictive control

$450MSeries A
Role not disclosed