Billionaire Fund Managers Increase Exposure to Amazon
Institutional buying gains
Big‑cap tech stocks remain a focal point for hedge funds, and recent filings show Bill Ackman, David Tepper and other billionaire fund managers are quietly piling into Amazon (AMZN). Over the past 12 months, institutional investors added roughly 253 million shares, signaling a net increase in exposure despite mixed sentiment about the stock’s valuation.
“Amazon is a bargain megacap stock in the artificial intelligence trade that looks expensive.” – source
The quote captures the paradox many investors see: Amazon’s deepening AI initiatives — ranging from generative‑AI services in AWS to AI‑powered retail tools — have propelled growth expectations, yet the share price still appears high relative to traditional metrics.
Contrasting moves: Berkshire Hathaway exit
In a notable divergence, Warren Buffett’s Berkshire Hathaway reduced its Amazon position during the same period. While the exact size of the divestiture was not disclosed, the move underscores a strategic shift for the conglomerate, which historically favored long‑term consumer and financial holdings over high‑growth tech bets.
Market implications
AI as a growth catalyst: The accumulation of shares by top fund managers suggests confidence that Amazon’s AI investments will translate into sustainable revenue streams, especially within the cloud segment.
Valuation debate: The “bargain‑yet‑expensive” framing highlights ongoing debate about multiple expansion versus earnings growth. Investors appear willing to tolerate a premium if AI‑driven upside materializes.
Potential for price pressure: Continued buying pressure from large institutions could support the stock price, while Berkshire’s exit might weigh on sentiment among value‑oriented investors.
Analyst perspective
While the influx of 253 million shares indicates strong institutional confidence, analysts caution that valuation metrics remain elevated. The balance between AI growth prospects and price appreciation will likely dictate Amazon’s performance relative to broader market indices.
Source: Yahoo Entertainment, June 25 2026