# Fiddler AI

> Enterprise AI model and agent evaluation, explainability and production observability platform; subject to a November 2026 CrowdStrike acquisition agreement.

## Why it is interesting

CrowdStrike agreed in November 2026 to acquire Fiddler for a price The Wall Street Journal reported at roughly $400M. The fit broadens AI agent security beyond runtime enforcement into evaluation, explainability and observability, but the announced acquisition was not yet closed and the buyer did not publish the consideration.

## Profile

- **Latest funding:** Series C — $30M (January 27, 2026)
- **Latest known valuation:** Not publicly disclosed
- **Total disclosed equity funding:** $94M
- **Stage:** growth
- **Status:** private
- **Industries:** ai-ml, cybersecurity, enterprise-saas, developer-tools
- **Coverage:** full
- **Last updated:** 2026-11-05
- **Latest funding investors:** RPS Ventures, Lightspeed Venture Partners, Lux Capital, Insight Partners, Mozilla Ventures, Dentsu Ventures, LG Technology Ventures, Benhamou Global Ventures, LDV Partners, Capgemini Ventures, Dallas Venture Capital

## Key facts

- November 3, 2026: CrowdStrike signed an acquisition agreement; WSJ reported roughly $400M price, but closing and exact consideration were unconfirmed.
- January 27, 2026: $30M Series C led by RPS Ventures; company reported $100M cumulative funding.
- Earlier rounds: $3M seed (2018), $10.2M Series A (2019), $32M Series B (2021), $18.6M Series B-Prime (2024).
- Additional strategic investment announcements in 2020 and 2023 do not all disclose individual amounts.

## Funding history

- Series C · $30M · January 27, 2026
  Source: https://www.fiddler.ai/press-releases/fiddler-raises-30m-series-c
- Series B-Prime extension · $18.6M · December 12, 2024
  Source: https://www.fiddler.ai/blog/series-b-prime
- Dentsu Ventures strategic investment · Undisclosed · July 7, 2023
  Source: https://www.group.dentsu.com/en/news/release/000989.html
- Mozilla Ventures strategic investment · Undisclosed · June 1, 2023
  Source: https://blog.mozilla.org/en/mozilla/mozilla-ventures-invests-in-fiddler-fueling-better-ai-trust/
- Series B · $32M · June 17, 2021
  Source: https://www.fiddler.ai/blog/announcing-series-b-and-general-availability-of-enterprise-ready-fiddler
- Amazon Alexa Fund strategic investment · Undisclosed · August 25, 2020
  Source: https://www.prnewswire.com/news-releases/fiddler-secures-strategic-investment-from-amazon-alexa-fund-to-accelerate-ai-explainability-301118058.html
- Lockheed Martin Ventures strategic investment · Undisclosed · August 12, 2020
  Source: https://www.prnewswire.com/news-releases/fiddler-and-lockheed-martin-ventures-collaborate-to-accelerate-ai-explainability-and-monitoring-301111322.html
- Series A · $10.2M · September 25, 2019
  Source: https://www.prnewswire.com/news-releases/fiddler-labs-raises-10-2m-in-series-a-funding-to-make-ai-explainable-in-every-enterprise-300924967.html
- Seed (2018; precise announcement date unverified) · $3M
  Source: https://www.prnewswire.com/news-releases/fiddler-labs-raises-10-2m-in-series-a-funding-to-make-ai-explainable-in-every-enterprise-300924967.html

## Investors in our directory

- https://venturecapitaltracker.com/fund/lightspeed-venture-partners-nyc
- https://venturecapitaltracker.com/fund/lux-capital
- https://venturecapitaltracker.com/fund/insight-partners
- https://venturecapitaltracker.com/fund/haystack-vc
- https://venturecapitaltracker.com/fund/lockheed-martin-ventures
- https://venturecapitaltracker.com/fund/amazon-alexa-fund
- https://venturecapitaltracker.com/fund/mozilla-ventures
- https://venturecapitaltracker.com/fund/dentsu-ventures
- https://venturecapitaltracker.com/fund/rps-ventures
- https://venturecapitaltracker.com/fund/lg-technology-ventures
- https://venturecapitaltracker.com/fund/benhamou-global-ventures
- https://venturecapitaltracker.com/fund/ldv-partners
- https://venturecapitaltracker.com/fund/cisco-investments
- https://venturecapitaltracker.com/fund/isai-gestion
- https://venturecapitaltracker.com/fund/dallas-venture-capital
- https://venturecapitaltracker.com/fund/alpha-square-group
- https://venturecapitaltracker.com/fund/samsung-next
- https://venturecapitaltracker.com/fund/essence-venture-capital
- https://venturecapitaltracker.com/fund/capgemini-ventures

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** November 5, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Source: https://venturecapitaltracker.com/startup/fiddler-ai