# Upwind completes $400 million Series C financing at $3.8 billion valuation (rejected Datadog acquisition at same valuation)

On 2026-10-28, according to TechCrunch/Reuters, cloud security company Upwind completed a $400 million Series C at a $3.8 billion valuation, led by Bessemer; it reportedly earlier rejected a Datadog acquisition offer at the same valuation. ARR is reportedly expected to reach about $90 million by year-end.



Canonical: https://uniquebase.ai/news/2e7be778-c25f-4924-9d23-0e8edf4b682e
Stable identifier: 2e7be778-c25f-4924-9d23-0e8edf4b682e
Snapshot captured: 2026-10-30T10:15:48.374Z
English updated: 2026-10-30T10:24:39.806Z

## Connected profiles

- [Alta Park Capital](/institutions/alta-park-capital)
- [Bessemer Venture Partners](/institutions/bessemer-venture-partners)
- [Canapi Ventures](/institutions/canapi-ventures)
- [Craft Ventures](/institutions/craft-ventures)
- [Cyberstarts](/institutions/cyberstarts)
- [Greylock](/institutions/greylock)
- [Salesforce Ventures](/institutions/salesforce-ventures)
- [TCV](/institutions/tcv)
- [Upwind Security](/companies/upwind-security)

## Sources

- https://techcrunch.com/2026/10/28/upwind-raises-400m-after-walking-away-from-datadog-acquisition-offer/