Poseidon

Real-world data for physical AI

Latest funding

$15M Seed · June 29, 2026

Website: psdn.ai.

X: @psdnai · 23,803 followers.

LinkedIn: linkedin.com.

Category: Data and analytics.

Sectors: AI.

Stage: Seed.

Based in: San Francisco, United States.

Last round: Jun 29, 2026 · 136 days ago.

On Recent Funding since: Feb 26, 2026.

Signals

X account@psdnai · created Jul 8, 2025 (16 months old) · 23,803 followers

Website registeredJul 14, 2025 (16 months old)

TIMELINE · MONEY RAISED

@psdnai·Raised $15M in 1 sourced round·2 signals before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

DL
David Lee Co-Founder President Chief Business Officer

source: psdn.ai
SY
Seung Yoon Lee Co-Founder Chairman Chief Strategy Officer

source: psdn.ai

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/poseidon (get a free API key).