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FirstMark

Active VC
Portfolio Active
2
Latest TensorZero
Deal flow
$24.3M
2 rounds
Unicorns
0
≥ $1B valuation
Founded
—
Latest
Aug 2025
TensorZero

About FirstMark

Venture capital firm tracking 2 AI investments, with focus on AI Data Engineering and US startups. Total tracked deal flow: $24.3M.

Sector focus

🛢️ AI Data Engineering 1
👀 AI Observability 1
🐙 Open Source AI 1

Geographic focus

US 2

Portfolio

2

TensorZero

Open-source stack for building industrial-grade LLM applications

Estuary

Right-time data platform for CDC, streaming, and batch ETL

Co-investors

6

Coalition

1 shared

DRW

1 shared

Bedrock

1 shared

M13

1 shared

Operator Partners

1 shared

Bessemer Venture Partners

1 shared

Recent rounds

2
Aug 19, 2025 Seed $7.3M Lead TensorZero
Series A $17M Estuary