Key facts
- Phaidra’s last known valuation is $670.0M (Oct 2025).
- It has raised $110.5M; the latest was Later Stage VC ($50.0M) in Oct 2025.
- Notable investors include Index Ventures, Collaborative Fund, Nvidia, Sony Innovation Fund, Mark Cuban — 26 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 26 names
- ·Watchlist + deal alerts for Phaidra
- ·The full record, as it builds
Funding rounds
No funding rounds for Phaidra are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Phaidra
Developer of artificial intelligence-powered control systems intended to help large industrial facilities learn, adapt, and improve performance. The company's technology analyzes massive amounts of sensor data and creates intelligent artificial intelligence agents that automatically control and optimize complex industrial operations, enabling clients to improve energy efficiency and sustainability, increase plant safety and stability, and maximize yield.
- Sector
- Information Technology
- HQ
- Seattle, WA, United States
- Founded
- 2019
- Employees
- 97
- Website
- phaidra.ai/
- Ownership
- Privately Held (backing)
Phaidra doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Phaidra shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Phaidra in its N-PORT filings yet. We sweep new filings monthly.