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Shares of Surf Air Mobility (SRFM) surged nearly 40% in premarket trading on Monday after the company and Palantir (PLTR) expanded their partnership, committing additional resources to accelerate the rollout of SurfOS, an AI-powered operating system for the private aviation industry.
If the current levels hold after the opening bell, SRFM stock would clock its biggest single-day gains since June 2025.
The companies said they will dedicate additional engineering and go-to-market resources to accelerate the development of SurfOS and the launch of OperatorOS, OwnerOS, and SurfOS Enterprise Solutions. The move follows the successful commercial launch of BrokerOS and a recent multi-million-dollar agreement with Wheels Up.
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SurfOS is powered by Palantir’s Foundry and Artificial Intelligence Platform (AIP) and is designed to replace manual software systems used across private aviation. The platform helps aircraft operators, brokers, owners, and manufacturers improve operations, reduce costs, and increase efficiency.
As part of the expanded partnership, Palantir will also support product development, deploy additional AI-powered agents across SurfOS, and help expand the platform’s commercial reach.
According to a recent SEC filing, Palantir purchased 1.04 million shares of the company for about $2.15 million. Following the transaction, Palantir’s stake increased to 4.46 million shares.
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Retail sentiment surrounding SRFM on Stocktwits turned ‘extremely bullish’ from ‘bullish’ a day earlier, amid ‘high’ message volumes.
One user is hopeful that the stock could climb to as high as $2 by the end of the day, representing nearly a 40% increase from current levels.
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Around 42 million shares changed hands in pre-market trading, significantly more than the daily average of roughly 3.7 million shares, according to Stocktwits data.
The stock has been under heavy selling pressure so far this year, crashing more than 60%.
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