# Upwind

Company record · Presspool · https://presspool.ai/companies/upwind-io

A cloud and AI security platform. Website: https://upwind.io

## Funding

Latest announced financing: $400 million, Series C, led by Bessemer Venture Partners, announced October 28, 2026.

- **$400 million Series C**, announced October 28, 2026. Led by [Bessemer Venture Partners](https://presspool.ai/investors/bessemer-venture-partners). The company says total funding is more than $800 million. Listed in the [AI startup funding roster for October 26–31, 2026](https://presspool.ai/ai-startup-funding/week-of-2026-10-26). Sources: [Company announcement](https://www.upwind.io/feed/the-next-wave-is-here-upwinds-400m-series-c-to-build-the-cloud-ai-security-platform), [Help Net Security](https://www.helpnetsecurity.com/2026/10/28/upwind-400-million-series-c-funding/).

Of the 12 Series C rounds announced in dollars on Presspool's weekly rosters since September 21, 2026, Upwind's $400 million is the 2nd largest; their median is $143 million.

## Whether AI names Upwind

- Machine Relations Index: [Cited in 12 Machine Relations Index answers](https://machinerelations.ai/index/domains/upwind.io), May 10, 2026 to October 29, 2026.

A company counts when an AI answer names it or cites its website. Answers vary from run to run, so each count is a dated sample.

## Related records

- Closest rounds in the [roster for October 26–31, 2026](https://presspool.ai/ai-startup-funding/week-of-2026-10-26): [Foundry Robotics](https://presspool.ai/companies/foundryrobotics-ai) ($100 million Series A, October 28, 2026), [General Compute](https://presspool.ai/companies/generalcompute-com) ($100 million Series A, October 27, 2026), [Hex](https://presspool.ai/companies/hex-tech) ($100 million Series D, October 27, 2026), [Nevis](https://presspool.ai/companies/neviswealth-com) ($70 million Series B, October 26, 2026), [Casap](https://presspool.ai/companies/casap-ai) ($56 million Series B, October 28, 2026), [Hyphenate](https://presspool.ai/companies/hyphenate-ai) ($45 million Series A, October 27, 2026).
- [Bessemer Venture Partners](https://presspool.ai/investors/bessemer-venture-partners), which led this round, also led [Mach9](https://presspool.ai/companies/mach9-ai) ($34 million Series A, October 21, 2026), [doubleAI](https://presspool.ai/companies/doubleai-com) ($200M Series A, October 19, 2026), [Ampersand](https://presspool.ai/companies/ampersand-ai) ($15 million Series A, October 6, 2026), [Infino](https://presspool.ai/companies/infino-ai) ($7.5 million Seed, October 6, 2026), [EliseAI](https://presspool.ai/companies/eliseai-com) ($350 million, round type not disclosed, September 29, 2026) and [EvenUp](https://presspool.ai/companies/evenuplaw-com) ($150M Series E, October 7, 2025). [2 more of its rounds](https://presspool.ai/investors/bessemer-venture-partners) are on its page.

## Sources

- [Company announcement](https://www.upwind.io/feed/the-next-wave-is-here-upwinds-400m-series-c-to-build-the-cloud-ai-security-platform)
- [Help Net Security](https://www.helpnetsecurity.com/2026/10/28/upwind-400-million-series-c-funding/)

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Presspool is a sourced record of AI startup funding. Rounds are listed because they were publicly announced, and no company pays to be listed.

Published by [Jaxon Parrott](https://jaxonparrott.com). Jaxon Parrott coined [Machine Relations](https://machinerelations.ai) in 2024. [AuthorityTech](https://authoritytech.io), which he founded in 2018, is The World's First Machine Relations Agency.

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