RADAR Hits $1 Billion Valuation After $170 Million Series B
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RADAR Hits $1 Billion Valuation After $170 Million Series B

Retail AI startup expands real-time inventory technology for physical stores

5/20/2026
Ghita Khalfaoui
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RADAR has reached unicorn status after securing $170 million in Series B financing, a fresh endorsement of its effort to bring real-time data and AI-driven decision-making into brick-and-mortar retail. The round was co-led by Gideon Strategic Partners and Nimble Partners, with Align Ventures participating, and it values the company at $1 billion at a time when retailers are under pressure to modernize stores without weakening margins. The announcement puts RADAR in the spotlight as retailers look for ways to make physical stores operate with the precision, responsiveness and inventory confidence customers already expect from e-commerce.


Funding and Valuation

The company’s central pitch is that physical retail remains under-digitized despite representing about 80% of global commerce. Founder and CEO Spencer Hewett framed the opportunity on LinkedIn as a “Physical AI” challenge, arguing that retailers lose an estimated $1 trillion annually because stores lack live visibility into inventory location and availability. That message was echoed in Y Combinator’s post, which described the company’s use of RFID and AI as a response to manual counting, inaccurate stock data, canceled online orders and theft.

Technology Platform

RADAR’s platform combines ceiling-mounted sensors, proprietary software and analytics to continuously read tagged merchandise across sales floors, stockrooms and fitting rooms. The system turns location signals into operational workflows, including replenishment alerts, omnichannel fulfillment decisions, loss prevention triggers and merchandising insights that can plug into systems retailers already use. According to the company, its technology provides 99% item-level inventory accuracy in real time and refreshes store inventory snapshots every eight seconds, creating a live operational map of merchandise movement.

Retail Deployment and Use Cases

The platform is already deployed in more than 1,400 stores, including American Eagle Outfitters and Old Navy, giving RADAR a significant footprint among major U.S. retailers. Business Wire reported that American Eagle was the first retailer to roll out RADAR’s technology fleet-wide, while public commentary from the company highlighted the ability to replace guesswork with reliable inventory data. Y Combinator also pointed to reported customer outcomes such as reductions in online order cancellations and shrink, though those figures came from social post context rather than the main press release and should be treated as customer-performance examples rather than audited industry benchmarks.

Leadership and Expansion

RADAR plans to use the new funding to accelerate retailer deployments, develop next-generation sensor hardware, expand AI analytics, advance autonomous checkout and grow in Canada, EMEA and Latin America. The company also named Abi Viswanathan as chief financial officer as it prepares for its next stage of growth, adding a finance leader with experience in capital-intensive technology businesses. Viswanathan previously served as CFO of autonomous vehicle company Nuro, where RADAR says he helped scale the business to an $8.6 billion valuation, and he earlier worked on Uber’s strategic finance team.


The funding round signals investor confidence that physical stores can become data-rich operating environments rather than disconnected legacy assets. RADAR’s challenge now is to prove that its hardware-heavy model can scale globally while delivering measurable returns across different formats, brands and markets, especially as retailers scrutinize technology spending closely. If it succeeds, the company could become a core infrastructure provider for retailers seeking to unify in-store operations, fulfillment and AI-powered decision-making across store networks.