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Whale Watch

Follow the quarterly holdings of investors whose judgment you respect. Whale Watch compares their 13F holdings reports, showing newly reported positions, changes in share count and shifts in portfolio weight.

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Berkshire Hathaway: third-quarter changes

September 30, 2024 vs June 30, 2024. Four holdings from Berkshire’s quarterly comparison.

HoldingShares
Sep 30
Holding change
Apple300,000,000−25.00%
Bank of America797,683,307−22.77%
Domino’s Pizza1,277,256New
Pool Corp404,057New

September holdings · June holdings

Steal your next investment idea from the best.

Mohnish Pabrai’s funds invested about $70 million in Fiat and collected about $260 million from Fiat Chrysler and Ferrari. He traced the idea to a stock in two other investors’ portfolios: General Motors. Pabrai, the fund manager and author of The Dhandho Investor, had hated the car business until he saw investors he respected committing money to it. [1][2][3]

  1. 2012 · General Motors
    “Why would these smart guys want to do this?”

    Public 13F filings showed GM among Berkshire Hathaway’s holdings and as a major position for David Einhorn, who ran the hedge fund Greenlight Capital. Pabrai respected their judgment enough to investigate an industry he disliked. Berkshire’s buyer was investment manager Ted Weschler, as Pabrai later confirmed with him. [1][2]

  2. Four months of research

    He read the new union contract and studied the industry after GM and Chrysler’s bankruptcies. He concluded that the reorganizations had relieved costs and liabilities that had made Detroit a punishing place to build cars. Studying competitors brought him to Fiat and its chief executive, Sergio Marchionne. Pabrai saw a company valued by the stock market at about $5 billion, with a manager forecasting more than that in annual cash flow within five years. He spent roughly four months reading about the companies and Marchionne before committing money. [2]

  3. Fiat’s Ferrari shares

    Owning Fiat also gave him a stake in Ferrari. When Fiat Chrysler separated the sports-car maker, shareholders received one Ferrari share for every ten Fiat Chrysler shares. [4] In his 2025 account, Pabrai said Ferrari supplied about $100 million of the $260 million his funds collected. He also regretted selling it: he believed Ferrari had become too expensive, then watched it keep appreciating. By 2025, he estimated that his Ferrari stake alone would have been worth about $640 million had he kept it. [3]

Whale Watch compares the quarterly 13F holdings reports of investors you follow. See newly reported positions, changes in share counts and shifts in portfolio weight, with the source filings at hand to help you find your next investment idea.