Amazon.com Inc. (NASDAQ:AMZN) is adding fuel to the latest round of Marvell Technology Inc. (NASDAQ:MRVL) mania.



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Amazon's Q1 13F filing shows the hyperscaler increased its stake in Marvell, a notable vote of confidence in one of the chip names sitting at the center of the AI infrastructure buildout. 



Amazon purchased 170,924 MRVL shares in Q1, bringing its total stake to 396,352 shares at a value of $39.26 million. 



The move comes as investors continue hunting for the next beneficiaries of Big Tech's massive spending on custom silicon, networking and data-center capacity.



Marvell has become more than a typical semiconductor supplier story. The company is a key supplier and co-designer for Amazon's Trainium chips and related AI and networking silicon used across Amazon Web Services. 



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That makes Marvell one of the more direct ways investors are playing Amazon's push to control more of its AI hardware stack, while still relying on outside partners for critical design and connectivity expertise.



The Amazon stake also lands shortly after Advanced Micro Devices Inc. (NASDAQ:AMD) disclosed its own Marvell position. Last week, AMD revealed a $6.5 million Marvell bet, which has already been soaring. 



Together, the Amazon and AMD positions add a fresh layer of intrigue around Marvell, suggesting that major AI players are not just competing in the custom silicon race, they are also taking financial exposure to the companies helping build the rails.



Amazon's logic is straightforward, with AWS spending aggressively to scale AI infrastructure, and Trainium is central to its effort to offer customers an alternative to Nvidia Corp. (NASDAQ:NVDA) GPUs. 



<h2>The Takeaway</h2>



Marvell benefits from that strategy as a custom-chip and optics vendor tied to the plumbing of next-generation AI data centers.



That is why Marvell is drawing renewed attention from both Wall Street and strategic investors. The stock is increasingly being treated as a levered AI infrastructure play, tied to hyperscaler capex, custom accelerators and high-speed data movement.



With Amazon doubling down and AMD already in the mix, Marvell's AI narrative just got harder for investors to ignore.



MRVL Price Action: Marvell Technology shares were down 1.47% at $166.44 at the time of publication on Tuesday, according to Benzinga Pro data.



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Photo: PJ McDonnell / Shutterstock

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Amazon and AMD have increased their stakes in Marvell Technology, signaling strong interest from investors. Amazon's Q1 filing shows it purchased 170,924 shares, totaling 396,352 shares valued at $39.26 million. AMD also disclosed a $6.5 million investment in Marvell. This collaboration highlights Marvell's role in AI infrastructure, making it a key player as companies seek alternatives to Nvidia's GPUs. Marvell's stock is gaining attention as a significant investment in the AI sector.

- Amazon.com Inc. increased its stake in Marvell Technology Inc. by purchasing 170,924 shares, totaling 396,352 shares valued at $39.26 million, indicating confidence in Marvell's role in AI infrastructure.  
- This move aligns with the increasing interest in companies benefiting from Big Tech's investments in custom silicon and networking.  
- Marvell's position as a supplier for Amazon's Trainium chips highlights its importance in the AI data center landscape, making it an attractive investment for major tech players like Amazon and AMD.

AMD Takes A Piece, Amazon Doubles Down: The New Marvell Mania