Prediction: This Will Be the Next AI Stock That Berkshire Hathaway Buys

Warren Buffett retired at the end of 2025 and Greg Abel will become CEO of Berkshire Hathaway in 2026, raising the prospect of a more aggressive, tech/AI-oriented investment posture. Berkshire already holds 10 million Amazon shares (about 0.8% of its investment portfolio) and added Alphabet in Q3 2025; Amazon posted Q3 net sales up 13% year-over-year to $180 billion while AWS generated 18% of sales but 66% of operating profit, improving the company’s profit mix and lowering its operating P/E. The departure of portfolio manager Todd Combs to JPMorgan leaves future tech buys dependent on Abel and remaining managers, making an incremental Amazon purchase plausible but still speculative.

Analysis

Market structure: Buffett’s exit and the prospect of Berkshire (BRK.B) adding to AMZN can bid up large-cap tech and ad/cloud leaders (AMZN, GOOG/GOOGL) while compressing relative value in lower-margin retail peers. AWS already generates ~66% of Amazon operating profit on ~18% of sales, so marginal demand for AMZN shares disproportionately prices in cloud/ad profit optionality. A visible Berkshire buy program (even a few percent of its investable cash) would temporarily tighten float, push equities vs bonds (mild risk-on), and lift equity implied vol for AMZN/GOOG for weeks around filings/announcements.

Risk assessment: Tail risks include accelerated antitrust or ad-regulation actions (6–24 months), AWS competition from MSFT/GCP eroding margins, or a macro ad-spend shock that cuts revenue growth by >5% YoY. Near-term (days–weeks) the dominant risk is headline-driven volatility around BRK personnel moves and 13F; medium-term (3–12 months) execution on AWS/ads matters; long-term (2–5 years) is regulatory and competitive moat erosion. Hidden dependencies: BRK’s internal stake sizing rules and liquidity constraints could cap any large AMZN accumulation and flip investor signaling dynamics.

Trade implications: Tactical long bias to AMZN (size 1–3% portfolio) if operating P/E slips below its 3-year median or shares decline >10% intraday; implement 9–12 month call spreads 15–25% OTM to cap funding. Pair trade: long AMZN (2%) vs short META (1%) on the view AMZN’s high-margin AWS + ads reacceleration is underpriced relative to ad-only peers. Reduce cyclically exposed retail names; overweight cloud/ads (GOOG) and selective BRK.B exposure if Abel signals capital deployment within 90 days.

Contrarian angles: The market assumes Abel = more aggressive, but he may prioritize capital discipline—so a BRK purchase is not guaranteed; consensus may be underpricing the likelihood that AMZN’s profit reacceleration is already 40–60% priced in. Historical parallel: Buffett’s late-life shifts (e.g., Apple accumulation) show stealth accumulation can precede multi-quarter outperformance, but it also created concentration risk that capped future compounding. Unintended consequence: a visible BRK stake could limit future upside by making AMZN a ‘permanent’ large holder and reducing float for momentum buyers.

Key Decisions for Investors

• Establish a 1–3% long position in AMZN common (ticker AMZN) on two possible triggers: (A) a pullback of >10% from current price, or (B) operating P/E falling below its 3-year median; hedge with a 9–12 month 15–25% OTM call spread sized at 25–50% of the equity leg to cap downside.
• Initiate a pair trade: long AMZN (2% portfolio) vs short META (1% portfolio) using cash equities or equivalent beta-neutral notional; rationale: AWS + ad-margin reacceleration vs ad-reliant META sensitivity—trim/exit within 6–12 months if AMZN outperforms by >20% or META cuts ad guidance.
• Buy a conservative 12-month GOOG (GOOGL/GOOG) call or 5–7% outright position as a defensive cloud/ad exposure if AMZN/GOOG implied vol spikes; target entry on any post-BRK headline pop >8% to avoid chasing.
• Watchlist & catalyst rule: monitor Berkshire 13F, BRK.B statements, and Q4 2025–Q1 2026 earnings for AMZN/AWS/ads over the next 30–90 days; act to scale positions within 2–6 weeks of confirmed BRK buying or clear AWS guidance beats >200 bps vs consensus.