Key facts
- RadixArk’s last known valuation is $400.0M (Oct 2025).
- Notable investors include Transpose Platform Management, Accel, University of California, HOF Capital, LDV Partners — 7 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 7 names
- ·Watchlist + deal alerts for RadixArk
- ·The full record, as it builds
Funding rounds
No funding rounds for RadixArk are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About RadixArk
Developer of large-scale AI infrastructure systems designed for developers, research labs, startups, and enterprises building frontier AI applications. The company offers open and managed infrastructure for model inference and post-training, including serving engines, large-scale reinforcement learning frameworks, and production-grade tooling built on open-source foundations, enabling the global AI community to train, deploy, and operate advanced models more efficiently, affordably, and accessibly.
- Sector
- Information Technology
- HQ
- Redwood City, CA, United States
- Website
- radixark.ai/
- Ownership
- Privately Held (backing)
RadixArk 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 RadixArk 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 RadixArk in its N-PORT filings yet. We sweep new filings monthly.