Tractian raises $130M Series D at a $1.4B valuation

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Tractian, an Atlanta company that sells sensor-based AI for industrial maintenance, has raised a $130 million Series D at a $1.4 billion valuation. Sapphire Ventures led the round, with M&G's Catalyst strategy as co-lead. N47, General Catalyst, Bosch Ventures, 53 Stations, Monashees, Endeavor Catalyst, Norte Ventures and Y Combinator also took part.

The company reads vibration, ultrasound and other sensor signals from machines and combines them into one picture of each machine's condition. Its software, trained on what Tractian calls one of the largest industrial failure datasets in existence, then names likely root causes and proposes a plan of action for the operator.

Founder and CEO Igor Marinelli said he grew up watching his father work as a maintenance technician at a paper mill and saw how backward the tools were. He said the new money will go toward scaling the platform for manufacturers, data center operators, defense companies and utilities, and toward closing the gap between an alert and action.

Customers and the cost of downtime

More than 2,000 facilities use Tractian, the company says. It names Eli Lilly, McKesson, Whirlpool, Coca-Cola bottling plants, Cummins and Embraer among its customers.

Anders Ranum, a partner at Sapphire, said the AI boom is driving a large build-out of physical infrastructure and that its operators cannot afford equipment failures. Sapphire also led Tractian's Series C.

The announcement cites a Siemens report from January 2026 that puts unplanned downtime at roughly 11% of annual revenue for the world's 500 largest industrial companies, about $1.4 trillion a year. It also cites Deloitte's projection that more than 2.1 million manufacturing jobs could go unfilled by 2030, taking machine knowledge with the workers who leave.

Tractian says its product keeps one technician's knowledge of a machine available to the next.

Source: PR Newswire