Warren Buffett vs. Bill Ackman: One Piled Into Amazon While the Other Sold

1 hour ago 2

Adria Cimino, The Motley Fool

Mon, April 27, 2026 astatine 5:25 AM CDT 5 min read

Following the pb of billionaires could beryllium a large thought erstwhile investing. After all, they've proven their cognition of companies and the banal marketplace implicit clip -- and person utilized this to present existent results to those who person invested successful their funds.

Two fantastic examples are Warren Buffett, president and erstwhile main enforcement serviceman of Berkshire Hathaway, and Bill Ackman, main of Pershing Square Capital Management. Buffett is known for worth investing, aiming to get successful connected prime companies for little than they're really worthy and holding connected for the agelong term. Ackman besides appreciates value, but he's wide known arsenic an activistic capitalist who isn't acrophobic to marque a daring move.

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Buffett's concern benignant helped Berkshire Hathaway present market-beating returns implicit 60 years; Ackman besides has surpassed the S&P 500, with a 17% annualized mean instrumentality implicit the past decade, compared to 14% for the benchmark. All of this suggests that it's omniscient to ticker the moves of some of these adept investors.

But they don't needfully marque the aforesaid concern decisions. In fact, successful the 4th fourth of past year, 1 of them piled into Amazon (NASDAQ: AMZN) banal portion the different 1 sold. Let's cheque retired these moves and see which 1 to perchance follow.

Investors stitchery astir a machine successful an office.

So, first, it's important to enactment that Amazon has been playing a cardinal relation successful an manufacture that's been cardinal to banal marketplace show successful caller years: artificial quality (AI). You whitethorn astir subordinate Amazon with e-commerce, but the institution makes astir of its nett from different business, and that's unreality computing. And this business, Amazon Web Services (AWS), offers customers a afloat portfolio of AI products and services.

All of this has led to beardown net maturation for Amazon and helped boost the shares successful caller years. They've climbed successful the triple digits implicit the past three. But precocious past twelvemonth and into the aboriginal portion of this year, immoderate investors grew acrophobic that tech companies -- specified arsenic Amazon -- whitethorn beryllium investing excessively overmuch successful AI and mightiness not spot the returns.

Now, let's see the moves made by Warren Buffett and Bill Ackman successful the 4th fourth of past year.

Buffett chopped his presumption successful Amazon by 77%, truthful it present represents astir 0.1% of his portfolio. He initially purchased the banal successful the archetypal 4th of 2019.
Ackman accrued his presumption successful Amazon by astir 65%, truthful it present represents 14% of his portfolio. He archetypal bought the banal successful the 2nd 4th of past year.

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