Funding
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Flume Ventures

Activity from announced rounds

Activity in this selectionUnited States · Oct 4, 2026 · Jul 7, 2026
Rounds participated in
2
Confirmed lead rounds
0
1 roles undisclosed
New companies
0
First participation on record · 2 follow-on
Funding in participating rounds
$935M
2 disclosed · full round size, not this investor’s share

By stage

Series B1
Series C+1

By primary sector

Defense tech1
Hardware1

By country

United States2

Rounds

2 in this selection
Positron AI

Builds purpose-built hardware and software to make AI inference cheaper and energy-efficient

$875MSeries C
Participant
Heaviside Industries

Builds autonomous precision munitions platforms for air, land, and sea forces

$60MSeries B
Role not disclosed