Fiddler — Funding & Company Data

Fiddler's funding history demonstrates a steady, upward trajectory, progressing from a Seed round to a significant Series C. The initial Series A and B rounds, totaling over $45 million, established its position in the ML monitoring and explainability market. The more recent Series B extension of $18.6M in late 2024 and the $30M Series C in early 2026 highlight a strategic pivot and expansion into the more complex and urgent market of AI observability and governance for large language models (LLMs) and agentic systems.

The quality of investors is high, featuring a mix of top-tier VCs like Insight Partners, Lightspeed, and Lux Capital, alongside strategic corporate investors such as Cisco, Samsung, Lockheed Martin, and The Alexa Fund. This blend indicates both strong financial backing and deep industry validation, suggesting that Fiddler's platform is seen as a critical component for enterprises deploying AI at scale. The participation of both existing and new investors in the latest rounds signals continued confidence in the company's vision and execution.

With approximately $97.2 million raised, Fiddler appears well-capitalized to navigate the competitive AI infrastructure landscape. This funding provides a multi-year runway to enhance its AI Control Plane, expand its go-to-market efforts in regulated industries like finance and healthcare, and deepen its ecosystem integrations. From a competitive standpoint, this level of funding allows Fiddler to compete effectively with other well-funded players in the MLOps and AI observability space, ensuring it can continue to innovate and attract top talent.