Berkshire Hathaway Outperformed the S&P 500 Over a 60-Year Period Under Warren Buffett. Here's the Stock That Could Help Continue the Streak Under Greg Abel.

Apple remains Berkshire Hathaway’s largest public equity holding, still representing over 20% of a $73.8B portfolio even after trims since late 2023. The article flags valuation risk—Apple at a 37.2x P/E and up 19% YTD in 2026—while citing fundamentals including 16.2% YoY revenue growth through the first nine months of fiscal 2026 (iPhone 17 demand) and robust free cash flow. For Berkshire, a large cash position ($365.5B cash and short-term Treasuries = 34% of market cap) is described as insulating but a continuing drag on performance, creating an overall mixed outlook for outperformance under new leadership.

Analysis

The key market mechanism is concentration risk, not an operating call on Apple. Berkshire’s equity book has become a de facto single-name barbell: one mega-cap consumer tech engine offset by a very large non-earning cash asset, so the next leg of relative performance will be driven more by Apple’s multiple than by Berkshire’s underlying operating businesses. In a risk-on tape, that mix is structurally disadvantaged versus SPY/QQQ because cash earns a spread that looks fine on a balance sheet but drags on equity compounding.

The second-order effect is that Berkshire increasingly behaves like a low-beta, high-liquidity alternative to a dividend ETF with a free option on dislocation. That is attractive only when volatility rises or valuations reset; in a calm market, the opportunity cost compounds. For Apple, the issue is that Berkshire’s ownership creates incremental headline sensitivity without changing fundamentals, so any sharp AAPL de-rating would feed directly into BRK.B relative underperformance even if Berkshire’s insurance and industrial businesses remain intact.

Contrarian view: consensus may be overpricing the cash drag and underpricing optionality. A prolonged drawdown in mega-cap tech or a credit shock would make Berkshire’s liquidity a performance asset, not a dead weight, and could flip sentiment quickly if buybacks or a sizable deployment appear. The thesis is falsified if Berkshire materially accelerates capital deployment or if Apple sustains multiple expansion while growth holds; absent that, BRK.B likely remains a laggard on a 1-3 month horizon, with the structural debate extending 6-18 months.

Key Decisions for Investors

• Use BRK.B as a relative-value short versus SPY or QQQ only on strength; 1-3 month horizon, with a tight stop if BRK.B outperforms by ~5% or Berkshire signals material capital deployment.
• Avoid chasing AAPL here as a pure quality compounder; if you want exposure, wait for a 10%+ drawdown or a multiple reset before adding, since the current setup leaves little margin of safety.
• Set an alert on Berkshire buybacks and cash deployment language at the next earnings call; if repurchases accelerate, cover any BRK.B underweight quickly because the cash-drag narrative can reverse fast.
• For defensive allocation, prefer short-duration Treasuries or a low-volatility factor basket over BRK.B if the goal is dry powder; Berkshire only wins that comparison when equity volatility spikes.