Triatomic Capital

triatomic.ai ↗Activity from announced rounds

Activity in this selectionUnited States · Oct 14, 2026 · Jul 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
3
Confirmed lead rounds
0
All roles disclosed
New companies
1
First participation on record · 2 follow-on
Funding in participating rounds
$488M
3 disclosed · full round size, not this investor’s share

By stage

Series A1
Series B1
Undisclosed1

By primary sector

AI2
Hardware1

By country

United States3

Rounds

3 in this selection
Volantis

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

$88MSeries A
Participant
Efficient Computer

Building energy-efficient general-purpose processors for AI and computing applications

$100MAdditional funding
Participant
Gimlet Labs

Develops software for efficient AI inference across diverse hardware types

$300MSeries B
Participant