Key facts
- Ostra Security’s last known valuation is $18.7M (Jun 2025).
- It has raised $20.2M; the latest was Later Stage VC ($9.5M) in Jun 2025.
- Notable investors include General Catalyst, Jeffrey Cowan, Rally Ventures.
- Status: Privately Held (backing).
- ·The complete investor list — 3 names
- ·Watchlist + deal alerts for Ostra Security
- ·The full record, as it builds
Funding rounds
No funding rounds for Ostra Security are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Ostra Security
Developer of a cybersecurity platform designed to help navigate risk, strengthen defenses, and achieve secure operations without the complexity. The company's platform includes concierge cybersecurity protection, encryption, and email protection, enabling businesses to access protection from hackers and malware, and also providing them with consultancy for actionable real-time intelligence to respond to alternative threats.
- Sector
- Information Technology
- HQ
- Eden Prairie, MN, United States
- Founded
- 2018
- Employees
- 26
- Website
- ostrasecurity.com/
- Ownership
- Privately Held (backing)
Ostra Security 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 Ostra Security 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 Ostra Security in its N-PORT filings yet. We sweep new filings monthly.