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Triatomic Capital

Active VC
Portfolio Active
3
Latest Edison Scientific
Deal flow
$620M
3 rounds
Unicorns
0
≥ $1B valuation
Founded
—
Latest
Feb 2026
MatX

About Triatomic Capital

Venture capital firm tracking 3 AI investments, with focus on AI Infrastructure and US startups. Total tracked deal flow: $620M.

Investment activity

2025–2026
$50M
$500M
1
'25
1
'26

Sector focus

🏢 AI Infrastructure 2
🛢️ AI Data Engineering 1
💊 Drug Discovery 1
🔬 Research Assistants 1
🎚️ Fine-tuning & Training 1

Geographic focus

US 3

Portfolio

3

Edison Scientific

AI scientist that compresses months of research into a single day

MatX

Chips built from the ground up for frontier large language models

Chalk

AI data platform delivering real-time context for models and agents

Co-investors

8

Spark Capital

2 shared

Harpoon Ventures

1 shared

Marvell Technology

1 shared

Situational Awareness

1 shared

Jane Street

1 shared

Dmitri Alperovitch

1 shared

Xfund

1 shared

Unusual Ventures

1 shared

Recent rounds

3
Feb 24, 2026 Series B $500M MatX
May 28, 2025 Series A $50M Chalk
Seed $70M Edison Scientific