8 Best AI Stocks to Buy According to Billionaire Ken Griffin

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6. Alphabet Inc. (NASDAQ:GOOGL)

Citadel Investment Group’s Stake Value: $913,187,829

On April 20, 2026, Reuters reported that Marvell Technology’s stock went up about 5% after The Information revealed that Alphabet Inc. (NASDAQ:GOOGL)’s Google is in talks with the chip manufacturer to produce two AI-focused chips. The story claimed sources that described a memory processing unit to supplement Google’s tensor processing units, as well as a new TPU geared to run AI models more effectively.

The negotiations show Google’s efforts to extend its reach beyond Broadcom as the market for AI chips grows. Alphabet Inc. (NASDAQ:GOOGL)’s Google presently uses TPUs for model training and inference, with Broadcom providing design support.

AJ Bell’s investment director, Russ Mould, told Reuters that competitors want to grab growth by creating their own chips, while customers want to diversify their supply chains.

Marvell shares have gone up by around 64% year to date after losing 23% in 2025. Last month, Nvidia spent $2 billion on Marvell to enable custom chip development, whereas Meta recently expanded its cooperation with Broadcom.

Alphabet Inc. (NASDAQ:GOOGL) is a holding firm that invests in software, healthcare, transportation, and other technology. It operates in three segments: Google Services, Google Cloud, and Other Bets.

While we acknowledge the potential of GOOGL to grow, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and have limited downside risk. If you are looking for an AI stock that is more promising than GOOGL and that has 100x upside potential, check out our report about the cheapest AI stock.

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