Positron AI
Positron AI develops memory-focused hardware and software for large-language-model inference.
≤$875MSeries C and Series C-1 financing package
ParticipantFV
Flume Ventures
Activity from announced rounds
Activity in this selectionOct 22, 2026 · AI · Jan 1, 2026
Flume Ventures is an Incline Village investment firm whose own communications identify Heaviside, Hydra Host and Positron.
Recorded funding activity
Heaviside develops autonomous precision munitions. Hydra links computing infrastructure operators with AI customers, while Positron develops inference hardware and software. The company records connect the same firm to different hardware and computing systems.
Sources
- Rounds participated in
- 6
- Confirmed lead rounds
- 0 5 roles undisclosed
- New companies
- 5 First participation on record · 1 follow-on
- Funding in participating rounds
- $440M 5 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
6 in this selectionHydra Host
Operates an AI data center operating system and GPU compute offtake network connecting data center operators with AI builders
$100MSeries A
Role not disclosedHeaviside Industries
Builds autonomous precision munitions platforms for air, land, and sea forces
$28MSeries A
Role not disclosedParasail
Builds an AI Supercloud for deploying and scaling AI agents
$32MSeries A
Role not disclosedPositron AI
Positron AI develops memory-focused hardware and software for large-language-model inference.
$230MSeries B
Role not disclosedGrubMarket
Develops technology for the U.S. food supply chain.
$50MSeries H
Role not disclosed