Should You Buy Berkshire Hathaway Stock Before Earnings?

Berkshire Hathaway will report Q4 and full-year 2025 results — the first under CEO Greg Abel with Warren Buffett remaining as chairman — likely toward the end of February. The company has materially shifted its portfolio, selling large stakes in Apple and Bank of America while doubling liquid assets (cash, equivalents and U.S. Treasuries) from roughly $182 billion at end-Q1 2024 to over $377 billion by Q3 2025, a cash pile larger than the current sub-$330 billion market value of its equity portfolio. The article views this liquidity as dry powder for future share purchases and expects the equity portfolio to grow, signaling a constructive near-term outlook for Berkshire's shares ahead of the earnings release.

Analysis

Market structure: Berkshire’s pivot toward cash and Treasuries (>$377B vs equity portfolio <$330B) makes BRK a deep optionality play — winners include BRK (balance-sheet optionality), sellers of high-beta large caps that Berkshire trimmed (temporary selling pressure on AAPL/BAC), and short-term Treasury holders who benefit from increased buy-side demand. Supply/demand: Berkshire’s liquidity withdrawal from equities reduces marginal buy demand and raises the chance of large opportunistic purchases in market stress, which can compress fire-sale discounts when they act. Cross-asset: heavier Treasury holdings are modestly supportive of long-duration bonds and the USD; expect slightly lower implied equity vol around BRK and spillover into financials’ options markets.

Risks: Tail risks include a poorly timed large acquisition by new CEO Greg Abel (> $50B) that destroys value, adverse regulatory/accounting changes to insurance float, or an activist campaign forcing buybacks that reduce optionality; probability low but impact high. Time horizons: immediate (days) — earnings/13F volatility; short-term (1–3 months) — repositioning after filings; long-term (12–36 months) — realization of cash optionality into purchases or equity rebuild. Hidden dependencies: underwriting results and float growth are interest-rate sensitive and can swing deployable capital; concentrated equity positions create idiosyncratic exposure despite large cash buffer.

Trade implications: Direct play — constructive on BRK.B as a 12–18 month asymmetric bet: cash buffer sets a downside cushion; prefer long-dated call spreads or modest cash longs sized 2–3% of portfolio. Relative-value — long BRK.B vs short AAPL (or short a tech-heavy ETF) to hedge market beta while capturing optionality premium; expect mean reversion over 3–12 months. Options — use 9–15 month call spreads to limit theta; for earnings IV spikes, avoid buying front-month straddles unless IV discount >15% vs 90-day realized vol. Sector rotation — trim concentrated mega-cap tech by 1–3% and reallocate to BRK.B, short-duration Treasuries (BIL) or cash equivalents until filings clarify intent.

Contrarian angles: Consensus underprices the ‘‘option value’’ of $377B cash — market treats it as passive cash drag instead of a convex opportunity engine; historically (2008, 2020) Berkshire deployed capital at superior returns after crises. Reaction may be underdone: if Q4 shows continued cash accumulation without deployment, activist pressure could force buybacks and a faster rerating upwards. Unintended consequences include a governance fight or a mis-sized acquisition that delivers negative alpha; trade sizing should assume a 12% stop-loss and monitor acquisition headlines closely.

Key Decisions for Investors

• Establish a 2–3% portfolio long position in BRK.B over the next 2 weeks ahead of Q4 results (buy in tranches; add on any pullback >5%); target 12–18 month hold, trim on +15% or upon announcement of an acquisition >$50B.
• Deploy a relative-value pair: long BRK.B (1.5% notional) and short AAPL (1.0% notional) for a 3–12 month trade to neutralize market beta and capture optionality; unwind if BRK/B relative outperformance >8% or if Berkshire’s 13F shows reaccumulation of Apple shares.
• Use options to limit downside: buy a 9–15 month BRK.B call spread equal to ~1% portfolio exposure (buy 5% OTM, sell 30% OTM) to express upside with capped cost; alternatively, if front-month IV < historical 90-day vol by >10% pre-earnings, buy a March earnings call spread sized to 0.5% portfolio.
• Reallocate 1–2% from concentrated mega-cap tech (e.g., AAPL/BAC exposure) into short-duration Treasuries (BIL/SHV) or cash equivalents immediately if Berkshire’s Q4 filing confirms continued cash hoarding; redeploy into BRK or equities only if Berkshire increases equity allocations by >$20B quarter-over-quarter (monitor 13F due ~mid-March).