---
title: "Sentra"
description: "Agentic data security company protecting data at rest and controlling which human and AI identities can reach it."
canonical: "https://presspool.ai/companies/sentra-io"
last-updated: "2026-11-07"
---
# Sentra

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

Agentic data security company protecting data at rest and controlling which human and AI identities can reach it. Website: https://sentra.io

## Funding

Latest announced financing: $150 million, Series C, led by Capital One Ventures, announced November 4, 2026.

- **$150 million Series C**, announced November 4, 2026. Led by Capital One Ventures. The $150 million investment includes a small secondary component for employees; the primary/secondary split was not disclosed. Listed in the [AI startup funding roster for November 2–7, 2026](https://presspool.ai/ai-startup-funding/week-of-2026-11-02). Sources: [Sentra announcement](https://sentra.io/news/sentra-raises-150-million-agentic-data-security), [Sentra CTO](https://sentra.io/blog/why-we-raised-150m-series-c-data-security), [SecurityWeek](https://www.securityweek.com/agentic-data-security-firm-sentra-raises-150-million/), [CTech](https://www.calcalistech.com/ctechnews/article/s1jextotml).

Of the 14 Series C rounds with exactly stated amounts in dollars on Presspool's weekly rosters since September 21, 2026, Sentra's $150 million is the joint 5th largest; their median is $143 million.

## Whether AI names Sentra

- Machine Relations Index: [Cited in 9 Machine Relations Index answers](https://machinerelations.ai/index/domains/sentra.io), May 10, 2026 to November 7, 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 November 2–7, 2026](https://presspool.ai/ai-startup-funding/week-of-2026-11-02): [Ocient](https://presspool.ai/companies/ocient-com) ($100M Series C, November 5, 2026), [Kalepa](https://presspool.ai/companies/kalepa-com) ($75 million Series B, November 5, 2026), [Tutor Intelligence](https://presspool.ai/companies/tutorintelligence-com) ($75 million Series B, November 2, 2026), [Applied Compute](https://presspool.ai/companies/appliedcompute-com) ($350 million, round type not disclosed, November 2, 2026), [Humble Robotics](https://presspool.ai/companies/humblerobotics-ai) ($51 million Series A, November 5, 2026), [Lazarus AI](https://presspool.ai/companies/lazarusai-com) ($43 million, round type not disclosed, November 3, 2026).
- Capital One Ventures, which led this round, is named as an investor in [Restate](https://presspool.ai/companies/restate-dev) ($20 million Series A, September 30, 2026).

## Sources

- [Sentra announcement](https://sentra.io/news/sentra-raises-150-million-agentic-data-security)
- [Sentra CTO](https://sentra.io/blog/why-we-raised-150m-series-c-data-security)
- [SecurityWeek](https://www.securityweek.com/agentic-data-security-firm-sentra-raises-150-million/)
- [CTech](https://www.calcalistech.com/ctechnews/article/s1jextotml)

---

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.

A [Bramwell, Inc.](https://bramwell.ai/) company

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