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Bill Ackman and David Tepper Bet Big on Amazon This Week

A wave of billionaire fund managers are boosting Amazon bets as AI hype collides with a value play. Pershing Square, Baupost, Sanders Capital and others are enlarging positions.

Bill Ackman and David Tepper Bet Big on Amazon This Week

Amazon Attracts Ultra-Wealthy Investors As Valuation Gap Narrows

Major hedge funds led by billionaire managers are quietly increasing their Amazon stock holdings, betting that the stock’s current price does not fully reflect the company’s ongoing AI and cloud growth. The moves come as value-minded investors point to a gap between robust business momentum and a stock price that has not kept pace with some AI peers.

Public filings and portfolio disclosures show that Pershing Square led by Bill Ackman has built a substantial Amazon stake, now among its top holdings. Separately, David Tepper and his team at Appaloosa Management have pushed Amazon toward the top of their portfolio as well, highlighting the stock as a cornerstone of their growth thesis. Among older value shops, Seth Klarman’s Baupost Group and Generation Investment Management have also indicated larger positions in the online retailer and cloud giant.

In another data point, Sanders Capital, the value-focused shop run by Lewis Sanders, doubled its Amazon stake in the first quarter of 2026. The holding now tallies around 29.8 million shares, valued at roughly 6.2 billion dollars, placing Amazon behind only a pair of silicon-focused giants in Sanders Capital’s lineup.

The pattern is clear: a cohort of veteran managers who built fortunes on patient, bottom-up bets are treating Amazon as a bargain megacap with upside that could widen as AI demand powers its cloud and retail ecosystem.

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Who Is Buying and How Big Are the Bets

  • has moved Amazon into its second-largest position, with a stake that sources say now totals about 2.4 billion dollars. The gradual build started roughly a year ago, driven by a belief that Amazon’s core strengths remain undervalued relative to cash flow and AI-enabled growth.
  • David Tepper and Appaloosa have also elevated Amazon toward the top of their holdings, reflecting a conviction that the name plays a central role in the AI megatrend and that the stock’s valuation is compelling given its growth runway.
  • Seth Klarman and Baupost have made Amazon a leading position in their books, underscoring a classic value thesis that the share price does not fully reflect the company’s long-run profitability and cash generation.
  • Generation Investment Management has been adding to its Amazon exposure as part of a broader tilt toward durable, technology-enabled growth franchises.
  • Sanders Capital lifted its Amazon stake to 29.8 million shares, about 6.2 billion dollars in value, cementing the stock as a top helper in the firm’s strategic mix.

These moves come as Amazon’s stock has lagged some peers in the AI rally. While Nvidia and other chipmakers have surged on AI enthusiasm, Amazon has posted modest share-price gains, a dynamic that value investors say creates an attractive entry point for a long horizon.

Why Now: The Value Case Against an AI Hype Push

Industry observers point to a simple math argument: Amazon’s operating momentum in cloud computing, logistics, and advertising remains robust, yet the stock has not reflected recent strength in AWS and retail efficiency. The company’s cloud unit is expanding with a focus on AI services, while profit guidance has generally improved on a trajectory that could support multiple expansion if AI demand remains resilient.

On the latest earnings call, Amazon executives cited the cloud business as delivering what one analyst called the “fastest growth in several quarters,” reinforcing the idea that the AI cycle could unlock sustained earnings upside. That contrast—strong fundamentals paired with less dramatic price compression—appeals to funds seeking a balance of growth and downside protection.

For the trend-following crowd, the crosswinds in AI equities are instructive. Nvidia’s run underscores how AI-specific chips and platforms can outpace broader tech stocks. Yet value-focused buyers see Amazon as a broader, cash-generating engine with optionality from AWS, advertising, and global e commerce competitiveness, which could justify a higher multiple over time.

What This Means for Individual Investors

The billionaire allocations signal a broader appetite among sophisticated asset managers to blend growth with value in megacap tech. For individual investors, a few takeaways stand out:

  • Amazon remains a centerpiece in multiple value-tilted portfolios, suggesting it could be an anchor name for ownings built around stability and long-run growth.
  • The stock’s current valuation might not fully price in AI-driven cloud expansion and advertising improvements, offering a potential entry point for patient buyers.
  • Risk remains, including competitive pressures in cloud services and evolving consumer spending, so a diversified approach and attention to earnings catalysts are prudent.

While the names behind the new buying are well-known in the hedge fund world, the moves also echo a broader market shift: investors who once chased spectacular growth are recalibrating bets toward companies with durable earnings streams and clearer AI-enabled upside. In this environment, the actions of bill ackman and david tepper—two of the most prominent figures in modern investing—could influence the mood of other funds and individual portfolios alike.

Market Backdrop and Forward Look

The AI rally remains a dominant market driver, even as valuations in some AI shares have stretched. The S&P 500 tech sector has faced volatility as investors weigh company-specific fundamentals against broader macro risks, including inflation, rates, and geopolitical developments. Against this backdrop, Amazon’s diverse business mix—retail, cloud, logistics, and advertising—could offer resilience if AI-driven demand continues to accelerate in enterprise and consumer segments.

Analysts note that the charitable capital base these managers bring to Amazon could indirectly bolster confidence in the stock during periods of volatility. If the company continues to deliver margin improvements in AWS and expands its advertising platform with higher monetization, the upside for a long-term holder could be meaningful even if near-term stock moves remain muted.

Bottom Line: A Quiet But Persistent Reallocation Into Amazon

As 2026 progresses, a notable segment of the billionaire crowd appears to be reweighting their portfolios toward Amazon, a megacap stock that offers both a defensive profile and AI-driven optionality. The moves from bill ackman and david tepper, along with other seasoned value managers, suggest a belief that the stock’s price understates the business’s growth potential. For personal finance readers, the takeaway is clear: even in an AI-fueled market, patient investors may find value in high-quality compounders with visible cash generation and expanding cloud leadership.

What to Watch Next

  • Next round of Amazon earnings and AWS growth metrics, especially cloud operating margins.
  • Any further disclosures from Baupost, Baupost Group and Sanders Capital that refine the size of their Amazon bets.
  • Industry-wide AI demand signals, including enterprise adoption rates and advertising monetization trends.

As this story unfolds, market watchers will be watching not only the size of these bets but also how Amazon translates AI momentum into sustained cash flow and, ultimately, a more compelling stock multiple for ordinary investors.

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