In this article, we will take a look at the 5 Best AI Stocks to Buy According to Billionaire Ken Griffin. For a deeper discussion and an extended list, please see the 8 Best AI Stocks to Buy According to Billionaire Ken Griffin. 

5. Broadcom Inc. (NASDAQ:AVGO)

Citadel Investment Group’s Stake Value: $1,336,485,916

On April 20, 2026, CNBC reported that  Broadcom Inc. (NASDAQ:AVGO) shares dipped roughly 2%. On the other hand, Marvell Technology shares rose nearly 6% after The Information revealed the firm would assist Google in designing two new artificial intelligence chips. The proposed collaboration consists of a tensor processing unit and a memory processing unit, which would expand Google’s chip strategy beyond  Broadcom Inc. (NASDAQ:AVGO).

The Google-Broadcom agreement will continue through 2031. Google and Marvell did not reply to requests for comments.

Marvell and  Broadcom Inc. (NASDAQ:AVGO) both give backend chip design support before manufacturing at major fabrication operations. The move shows growing demand as large technology companies create in-house AI accelerators.

On April 22, 2026, Broadcom Inc. (NASDAQ:AVGO) announced an expanded relationship with Google Cloud on its new Cloud Network Insights service, which is powered by AppNeta by Broadcom. Cloud Network Insights offers end-to-end network observability to directly help enterprises in managing application and network experience, detecting anomalies, and diagnosing underlying causes across complex, multi-cloud, hybrid, and agentic environments.

Broadcom Inc. (NASDAQ:AVGO) is a multinational technology business that designs, develops, and sells semiconductors and infrastructure software solutions. It operates through two segments: Semiconductor Solutions and Infrastructure Software.

4.  Apple Inc. (NASDAQ:AAPL)

Citadel Investment Group’s Stake Value: $1,500,827,597

On April 21, Reuters reported that Apple Inc. (NASDAQ:AAPL) appointed John Ternus as CEO, showing a renewed focus on hardware and adding AI to existing devices rather than introducing a specific AI product. Ternus, a 25-year veteran who has overseen many iPhone generations, will take the role in September, succeeding Tim Cook, who led the company to a market value of over $4 trillion.

Analysts stressed the importance of strategic continuity. Ben Barringer of Quilter Cheviot said the move gives confidence to investors, adding that Ternus has headed Apple Inc. (NASDAQ:AAPL)’s hardware market. It is the company’s primary growth engine. Ryan Shrout of Signal 65 said Ternus’ expertise is focused on integrated hardware, software, and silicon rather than falling under a new AI-first category.

Under Cook, shares soared by about 20 times because of the rising iPhone demand, service growth, and incremental changes. Analysts believe Apple Inc. (NASDAQ:AAPL) will likely expand by bringing AI into its ecosystem, but Elmwood’s Daniel Binns called the “AI-first device” story premature.

Apple Inc. (NASDAQ:AAPL) designs, manufactures, and sells smartphones, personal computers, tablets, wearables, and accessories, as well as a variety of connected services. It operates in the Americas, Europe, Greater China, Japan, and the Rest of the Asia Pacific.

3. Microsoft Corporation (NASDAQ:MSFT)

Citadel Investment Group’s Stake Value: $1,578,249,860

On April 21, 2026, Reuters reported that Microsoft Corporation (NASDAQ:MSFT) had to deal with a mass lawsuit in the United Kingdom alleging that it overcharged businesses for Windows Server licenses on alternative cloud platforms. It happened right after the Competition Appeal Tribunal permitted the case to proceed. A competition lawyer, Maria Luisa Stasi, filed the action on behalf of close to 60,000 businesses, with possible damages of up to 2.1 billion pounds ($2.8 billion).

In the claim, Microsoft Corporation (NASDAQ:MSFT) raised wholesale prices for Windows Server on services provided by Amazon, Google, and Alibaba. It offered more attractive pricing for its Azure platform, pushing up consumer costs and distorting competition. Lawyers argued that the pricing variations made Azure more affordable.

Microsoft Corporation (NASDAQ:MSFT) claims the case lacks a realistic basis for calculating losses and plans to appeal the tribunal’s judgment while rejecting the allegations. Stasi hailed the decision as a major step for affected organizations.

Regulators in the United Kingdom, Europe, and the United States are still investigating cloud licensing policies, and the UK’s CMA has just launched an investigation into Microsoft Corporation (NASDAQ:MSFT).

Microsoft Corporation (NASDAQ:MSFT) creates and supports software, services, devices, and solutions. Its business is divided into three segments: productivity and business processes, intelligent cloud, and more personal computing.

2. Amazon.com, Inc. (NASDAQ:AMZN)

Citadel Investment Group’s Stake Value: $3,263,557,286

On April 20, 2026, Reuters reported that California accused Amazon.com, Inc. (NASDAQ:AMZN) of collaborating with retailers to drive up consumer prices, referring to newly released evidence in a 3-1/2-year antitrust action led by Attorney General Rob Bonta. The filing alleged Amazon.com, Inc. (NASDAQ:AMZN)  engaged with companies such as Levi Strauss to influence pricing at Walmart, Home Depot, and Chewy in order to avoid matching lower rates.

Bonta claimed that the firm’s actions prompted competitors to raise prices or limit availability and made sure that the firm would not be undercut. The complaint included examples of efforts to raise costs on fertilizer, eye drops, khaki pants, and pet treats.

Amazon.com, Inc. (NASDAQ:AMZN) said that its agreements are still legal and beneficial to consumers and that the litigation is an attempt to deflect from problems in California’s claims. The corporation intends to respond in court.

The action seeks damages and an injunction to stop the alleged conduct, with a hearing planned for July 23 and a trial on January 19, 2027. Amazon.com, Inc. (NASDAQ:AMZN) generated more sales than Walmart in 2025.

Amazon.com, Inc. (NASDAQ:AMZN) is a globally recognized technology firm that provides online retail shopping operations. It operates in three segments: North America, International, and Amazon Web Services.

1.  NVIDIA Corporation (NASDAQ:NVDA)

Citadel Investment Group’s Stake Value: $4,020,832,390

On April 18, 2026, CNBC reported that NVIDIA Corporation (NASDAQ:NVDA)’s transition to artificial intelligence is straining its connection with gamers, as data center goods dominate performance and strategy. The data center revenue now makes up 91.5% of overall sales, which shows rising demand for AI processors.

Bernstein analyst Stacy Rasgon commented that gaming no longer drives the business, as NVIDIA Corporation (NASDAQ:NVDA) focuses on higher-margin AI GPUs like Blackwell and Rubin. The compute and networking margins averaged 69% during the course of three years, as opposed to 40% for gaming.

The memory constraints forced NVIDIA Corporation (NASDAQ:NVDA) to focus its supply on AI chips, reducing gaming GPU output and hiking expenses. Industry estimates forecast that gaming output could potentially be reduced by up to 40%.

Gamers also opposed NVIDIA Corporation (NASDAQ:NVDA)’s DLSS 5 software, which was released on March 16, 2026. They expressed concerns that generative artificial intelligence affects game design. The firm clarified that developers retain control over implementation. The corporation noted that it will continue to ship GeForce GPUs and work with suppliers to increase memory availability.

NVIDIA Corporation (NASDAQ:NVDA) designs and manufactures computer graphics processors, chipsets, and related multimedia applications. It functions in two segments: graphics processing unit and compute and networking.

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