Key facts
- Ostium’s last known valuation is $254.0M (Dec 2025).
- It has raised $27.7M; the latest was Early Stage VC ($24.0M) in Dec 2025.
- Notable investors include General Catalyst, Soma Capital, Calm Ventures, Coinbase Ventures, Balaji Srinivasan — 25 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 25 names
- ·Watchlist + deal alerts for Ostium
- ·The full record, as it builds
Funding rounds
No funding rounds for Ostium are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Ostium
Developer of a web3 platform designed to bring commodity markets on-chain. The company's decentralized platform offers a non-custodial, permissionless trading environment with features like instant deposits, full self-custody, and more leverage to facilitate trading of real-world assets on-chain and provide liquid fractional exposure to assets at market price, enabling global traders to access traditional financial markets with enhanced transparency and control.
- Sector
- Information Technology
- HQ
- New York, NY, United States
- Founded
- 2022
- Employees
- 15
- Website
- ostium.com/
- Ownership
- Privately Held (backing)
Ostium 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 Ostium 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 Ostium in its N-PORT filings yet. We sweep new filings monthly.