Triatomic Capital

triatomic.ai ↗Activity from announced rounds

Activity in this selectionOct 16, 2026 · Sep 17, 2026

Triatomic Capital is a research-driven venture firm backing early-stage companies in computing, biology, energy and infrastructure.

Research-driven early-stage investing

Triatomic Capital invests in technical founders from the earliest stages of company development. Based in Palo Alto with a global mandate, the firm uses original research to form investment views and maintains a focused portfolio. Its published themes span next-generation computing, automation, engineered biology, materials and energy.

Recorded financing examples

RoundOS records financings involving Triatomic in Gimlet Labs, Efficient Computer, Radical Numerics and Volantis. These companies span AI computing infrastructure, processor efficiency, biological modelling and photonic memory technology. These examples reflect the disclosed financings represented in RoundOS.

Sources
Rounds participated in
2
Confirmed lead rounds
0
All roles disclosed
New companies
1
First participation on record · 1 follow-on
Funding in participating rounds
$188M
2 disclosed · full round size, not this investor’s share

By stage

Series A1
Undisclosed1

By primary sector

AI1
Hardware1

By country

United States2

Rounds

2 in this selection
Volantis

Photonic computing and interconnect technology for fast, large-scale AI inference.

$88MSeries A
Participant
Efficient Computer

Efficient Computer develops general-purpose data-flow processors and software tools for computing and AI systems.

$100MAdditional funding
Participant