Berkshire Hathaway Q2 2026 Buyback Reality Check [2026년 8월 재분석]: Why the $4.5B Repurchase and First Cash-Pile Decline in Years Reset the BRK.B Fair Value at $555

> 📌 Previous Analysis: [Berkshire Hathaway Record $11B Buyback Reanalysis — Why the Repurchase Reframes the BRK.B Fair Value Debate at $548](https://mybestinvesting.co.kr/?p=2410)

When we last covered Berkshire Hathaway (NYSE: BRK.B) on August 4, 2026, we did so on the eve of second-quarter earnings, and we made a call that the quarter would confirm a step-change in capital deployment under Greg Abel — including what we then framed as a repurchase potentially in the eleven-billion-dollar range. On August 8, the actual 10-Q landed, and it forces an honest recalibration. The headline buyback was $4.5 billion, not the double-digit figure we had penciled in. That is a meaningful correction to make, and we make it up front: the magnitude of the repurchase was smaller than we projected.

But here is why the Berkshire Hathaway Q2 2026 buyback and cash deployment story is still the most important thing to understand about this stock right now — and why, counterintuitively, the underlying thesis came out stronger even though our specific buyback number was wrong. For the first time in years, Berkshire’s cash pile actually shrank, falling from a record $397.4 billion at the end of Q1 to $365.5 billion at June 30. And for the first time in roughly fifteen quarters, Berkshire was a net buyer of equities, adding close to $20 billion of stock after fourteen consecutive quarters of net selling. The idle-cash bear case — the single biggest overhang on this name for two years — is finally being answered not with words but with cash flow.

This reanalysis covers three things. First, what the quarter actually showed across underwriting, the operating businesses, and capital allocation, with the GEICO deterioration that nobody was talking about a month ago. Second, a fresh valuation built on book value rather than distorted GAAP earnings, arriving at a revised base-case fair value of roughly $555 versus the current $511.80. Third, an updated exit plan for current holders, including the specific conditions that would break the thesis. As of this writing BRK.B trades at $511.80, a P/B of 1.47x, against a Wall Street consensus target near $525. Our three core investment points: (1) capital deployment has demonstrably restarted, narrowing the cash-drag discount; (2) book value compounded to $750.2 billion in shareholders’ equity even as the shares stayed flat, quietly making the stock cheaper; and (3) the GEICO underwriting stumble is a genuine new risk that caps near-term enthusiasm without breaking the fortress thesis. Let’s work through each.

1. Company Overview

Berkshire Hathaway is a diversified holding company whose economic engine is unusual: it does not primarily generate cash by selling a product, but by allocating capital. The business has three overlapping layers. The first is a collection of wholly owned operating companies — the BNSF railroad, Berkshire Hathaway Energy, a large manufacturing/service/retailing (MSR) group that spans everything from Precision Castparts to See’s Candies, and a sprawling insurance operation led by GEICO and the reinsurance groups. The second layer is the insurance float — $177.5 billion of policyholder premiums held before claims are paid — which functions as a low-cost, semi-permanent source of investable capital. The third layer is the marketable securities portfolio and cash, which as of June 30, 2026 still totaled $365.5 billion in cash and Treasury bills alone, on top of a large equity book.

How does this translate into reported earnings? Berkshire’s Q2 2026 operating earnings — the figure management and serious analysts actually watch, because it strips out unrealized mark-to-market swings — came in at $12.98 billion, up 16% from $11.16 billion a year earlier. For the first six months, operating earnings reached $24.33 billion. The segment breakdown for the quarter is the clearest window into the machine:



Segment (Q2 2026 operating earnings)AmountYoY
Manufacturing, Service & Retailing$4,470M+24%
Insurance — investment income$3,059M
Insurance — underwriting$1,731Mlower (GEICO drag)
BNSF (railroad)$1,558M+6%
Berkshire Hathaway Energy$891M+27%
Other$1,274M
Total operating earnings$12,983M+16%

Source: Berkshire Hathaway Q2 2026 10-Q / Form 8-K, filed August 8, 2026.

The revenue base behind this is enormous — trailing-twelve-month sales of roughly $384.7 billion — but the more instructive number is the diversification. No single segment dominates operating earnings, which is precisely why Berkshire behaves as portfolio ballast: railroad, utility, insurance, and consumer earnings streams rarely all falter at once.

On market position, Berkshire is one of the largest US property-casualty insurers by float and among the most valuable public companies in the world, with a market capitalization of approximately $984.7 billion — knocking on the door of the trillion-dollar mark. On governance and ownership: the post-Buffett transition is now operational reality. Greg Abel runs capital allocation, and Q2 was the most vivid demonstration yet of how he intends to deploy the balance sheet. Insider and long-tenured-holder ownership remains high, and the dual-class structure (Class A super-voting shares alongside the more liquid Class B analyzed here) keeps decision-making insulated from short-term market pressure.

2. Industry Analysis

2-1. Market Size & Growth Trajectory

Berkshire is not a pure-play on any one industry, so the relevant “market” is really three: US property-casualty insurance, North American freight rail and regulated utilities, and — most importantly — the capital-allocation opportunity set available to a firm sitting on a third of a trillion dollars in cash.

The US P&C insurance market that houses GEICO and the reinsurance groups is a mature, roughly $900 billion annual net-premium market growing at a low-to-mid single-digit rate, but with sharp cyclicality in underwriting margins. We are currently in a phase where rate increases pushed through in 2023–2025 are colliding with renewed claims-cost inflation — bodily-injury severity in auto is running up 10–12% — which is exactly the squeeze that hit GEICO this quarter. Freight rail and regulated utilities, home to BNSF and Berkshire Hathaway Energy, are late-cycle, GDP-plus businesses: BNSF’s 6% earnings growth and BHE’s 27% jump reflect volume normalization and rate-base expansion rather than any secular boom.

But the decisive “industry” for Berkshire’s stock is the market for large-scale capital deployment, and that market just re-opened. For most of 2024 and 2025, Berkshire found nothing large enough or cheap enough to buy, so cash piled up and the stock carried an idle-cash discount. In Q2 2026 that changed: the total addressable “deployment opportunity” — buybacks, public equities, and whole-company acquisitions — is effectively unlimited relative to even Berkshire’s balance sheet, and management finally engaged it.

2-2. Structural Growth Drivers

Driver 1 — Capital deployment finally re-engaging (the biggest one). For two years the bear case was simple: Berkshire earns a low return on a mountain of T-bills, so intrinsic value compounds slowly. Q2 2026 is the first hard data point that the mountain is being spent. Cash fell $31.9 billion in a single quarter, from $397.4 billion to $365.5 billion. Roughly $4.5 billion went to buybacks — modest in isolation, but a 19x increase over Q1’s $235 million — and close to $20 billion of net equity purchases went to work in the public markets, the first net buying in fifteen quarters. Layer on the earlier $6.8 billion Taylor Morrison acquisition, and the picture is unambiguous: Abel is deploying. Each dollar redirected from a 4% T-bill into equities compounding at 8–10%, or into buybacks below intrinsic value, mechanically lifts per-share value and shrinks the discount the market applied to idle cash. This is a multi-year re-rating driver, not a one-quarter event.

Driver 2 — Book value compounding through the fortress balance sheet. Shareholders’ equity reached $750.2 billion at June 30, up 4.2% from year-end 2025 — an annualized pace near 8–9%, achieved with debt-to-equity of just 0.17. Because Berkshire retains all earnings (it pays no dividend), book value is the truest measure of intrinsic-value growth, and it compounds regardless of the stock price. Critically, over the past month the shares went essentially nowhere (they sit at $511.80 today versus roughly $513 at our last look) while book value rose, which is why P/B compressed from 1.52x to 1.47x. The stock got cheaper by standing still. Over a 3–5 year horizon, high-single-digit book-value growth is the floor return an owner should expect before any multiple change.

Driver 3 — Insurance float as a structural, near-zero-cost funding engine. Float rose to $177.5 billion, up $1.1 billion since year-end. Float is the reason Berkshire’s balance sheet is so hard to replicate: it is effectively an interest-free loan from policyholders that Berkshire invests for its own account, and unlike bank leverage it does not run for the exits in a crisis. In a higher-rate world, the investment income on that float is a growing tailwind — insurance investment income alone contributed $3.06 billion of operating earnings this quarter. Even as underwriting margins wobble, the float keeps working. This is a long-duration driver; the short-term dynamic is that underwriting profitability is currently under pressure (see GEICO below), while the long-term dynamic is that float keeps growing and keeps earning.

2-3. Competitive Landscape

Berkshire has no true peer because no single company combines a top-tier P&C insurer, a Class I railroad, a regulated utility, and a $300 billion-plus securities portfolio under one roof. The closest comparisons are partial:



CompanyMarket CapCore moatReturn profile
Berkshire Hathaway (BRK.B)~$985BFloat + capital allocation + diversificationBook value +8–9%/yr, low leverage
Progressive (PGR)~$150BAuto underwriting/pricing dataHigher growth, single-line concentration
Markel (MKL)~$25B“Baby Berkshire” float + equitiesSmaller, more equity-sensitive
Union Pacific (UNP)~$135BRail duopoly (west)Rail-only, rate-regulated

Against Progressive, Berkshire’s insurance arm is more diversified but currently a slower underwriter — GEICO is losing the margin race to Progressive this cycle. Against a rail-only name like Union Pacific, BNSF is one earnings stream among many, so a rail slowdown barely dents the whole. The reason Berkshire is better positioned than any of these is structural: it is the only one that can move $30 billion of capital in a quarter into whichever of these arenas offers the best return, without issuing stock or straining its balance sheet. That optionality is the moat that the competitive table cannot capture.

3. Economic Moat Analysis

Moat Type 1: Efficient Scale + Cost-of-Capital Advantage (Insurance Float)

Berkshire’s deepest moat is the $177.5 billion of insurance float financed at a cost that, across the cycle, is frequently below zero — meaning policyholders effectively pay Berkshire to hold their money, because underwriting has historically run at a profit. Even in a soft quarter like Q2 2026, underwriting still produced $1.73 billion of segment operating earnings; the float did not cost Berkshire anything, it merely earned a bit less. No competitor can replicate a $177 billion, near-zero-cost, non-callable funding base overnight; it took six decades to build. The concrete evidence of the advantage is the $3.06 billion of investment income the float generated this quarter alone — a return on capital that Berkshire did not have to raise, dilute for, or refinance.

Moat Type 2: Capital-Allocation Optionality and Balance-Sheet Fortress

The second moat is the ability to act as buyer of last resort with size, speed, and no financing risk. Debt-to-equity sits at 0.17. When markets dislocate, Berkshire is the counterparty that can write a $20–30 billion check in a weekend — as it did repeatedly in 2008 and 2011. Q2 2026 shows the muscle still works under Abel: $4.5 billion of buybacks plus ~$20 billion of equity purchases plus the Taylor Morrison deal, all funded from internal cash with the balance sheet barely moving. The pricing power here is not in a product; it is the ability to demand attractive terms because Berkshire is the only buyer who can move that fast at that scale.

Moat Durability Assessment

Will these moats hold for 5–10 years? The float moat is highly durable — it is contractual, diversified across many insurance lines, and structurally grows as premiums grow. The clearest risk to it is a string of large catastrophe years that turns underwriting persistently unprofitable, raising the cost of float; GEICO’s Q2 stumble (combined ratio worsening to 91.2%) is a yellow flag, though still comfortably profitable. The capital-allocation moat is more personality-dependent, and this is the honest counterargument: it now rests on Greg Abel rather than Warren Buffett. Q2 is reassuring — Abel deployed decisively and at apparently sensible prices — but a single overpriced mega-acquisition could damage returns and the market’s trust. The mitigant is the culture and the decentralized structure, which are institutional rather than tied to one person. Net assessment: the float moat is nearly unbreakable; the allocation moat is strong but carries genuine key-person transition risk that the next several quarters will continue to test.

4. Financial Analysis

Berkshire’s financials require a translation step, because GAAP net earnings are badly distorted by mark-to-market accounting on the equity portfolio. Q2 2026 net earnings were $25.67 billion — more than double the $12.37 billion a year earlier — but the swing was driven mostly by unrealized investment gains, not operating performance. This is why trailing-twelve-month GAAP EPS of $39.77 (and the resulting 12.9x P/E) is not the right lens. The disciplined figure is operating earnings.



MetricQ2 2026Q2 2025YoY
Operating earnings$12,983M$11,160M+16%
Net earnings (incl. investment gains)$25,667M$12,370M+107%
Insurance underwriting (pre-tax)$2,180M~$2,535M−14%
Buybacks$4,500M~$235M (Q1’26)sharp step-up

H1 2026 operating earnings: $24.33 billion. H1 2026 net earnings: $35.77 billion. Source: Q2 2026 10-Q.

The operating-metric story by segment is what matters. MSR earnings jumped 24% to $4.47 billion on broad-based strength; BHE rose 27% to $891 million on rate-base growth; BNSF added 6% to $1.56 billion. The soft spot was insurance: pre-tax underwriting earnings fell 14% to $2.18 billion, driven almost entirely by GEICO, whose pre-tax underwriting profit dropped nearly 45% to $994 million as its combined ratio worsened 7.7 points to 91.2% and its loss ratio climbed to 76.6% on higher claims frequency and bodily-injury severity of 10–12%.

Balance-sheet highlights are the anchor of the whole thesis. Cash and Treasury bills of $365.5 billion (down from $397.4 billion) reflect deployment, not distress. Shareholders’ equity of $750.2 billion is up 4.2% year-to-date. Debt-to-equity of 0.17 leaves enormous unused capacity. Free cash flow across the operating businesses comfortably funds the buybacks and acquisitions with room to spare, and the company still added to cash from operations even while spending $31.9 billion net during the quarter. There is no “path to profitability” question here — the relevant story is margin mix: operating earnings compounding at a mid-teens rate while underwriting temporarily gives some back.

5. Valuation

For Berkshire, price-to-book is the appropriate primary lens, because book value approximates retained intrinsic value and is not distorted by mark-to-market noise the way GAAP EPS is. (A note on P/E for completeness: the forward P/E is 23.3x on consensus next-year EPS of $21.97 — the sharp drop from the 12.9x trailing multiple simply reflects that trailing EPS was inflated by one-time investment gains that are not expected to recur at the same scale. We do not anchor the valuation on either P/E figure.)

Step 1 — Establish current book value per share. Shareholders’ equity is $750.2 billion. At the current price of $511.80 and a reported P/B of 1.47x, implied book value per Class B share is approximately $348 (511.80 ÷ 1.47). That is up from roughly $337 at our prior coverage, consistent with the 4.2% year-to-date equity growth.

Step 2 — Project forward book value. At a conservative 8% annual book-value growth rate — below the 8–9% annualized pace just delivered — forward book value one year out is approximately $348 × 1.08 ≈ $376 per share.

Step 3 — Apply a multiple. Berkshire has traded in a 1.2x–1.6x P/B band for years. Given that capital deployment has demonstrably restarted (which historically supports the upper half of the band) but GEICO’s underwriting drag argues for restraint, a mid-band multiple of ~1.48x on forward book is reasonable:

Base case: 1.48x × $376 ≈ $555 (+8.4% from $511.80)
Bull case: 1.58x × $380 ≈ $600 (+17%) — assumes continued aggressive deployment, GEICO margin recovery, and multiple expansion toward the top of the band
Bear case: 1.32x × $356 ≈ $470 (−8%) — assumes GEICO deterioration persists, deployment stalls again, and the multiple compresses toward the low end; note this sits just above the 52-week low of $464

Against the Wall Street consensus target of $525.08, our base case of $555 is modestly more constructive. We agree with the direction of consensus but see slightly more upside, because we weight the restarted-deployment signal and the mechanical book-value compounding more heavily than the sell-side average appears to. The revised targets are essentially in line with our prior work (base $548 → $555, bull $598 → $600, bear $468 → $470), with the small base-case uplift driven entirely by the higher starting book value — not by any change in the multiple or a heroic growth assumption.

투자 분석 이미지
Photo by Parrish Freeman on Unsplash

6. Risk Factors

Risk 1 — GEICO underwriting deterioration (the newly elevated risk). This is the risk that changed most this quarter. GEICO’s pre-tax underwriting profit collapsed nearly 45% to $994 million, its combined ratio worsened 7.7 points to 91.2%, and its loss ratio jumped to 76.6% as claims frequency and bodily-injury severity (up 10–12%) outran earned rate. If this is the leading edge of a broader auto-insurance margin down-cycle rather than a one-quarter blip, the insurance segment — a core earnings and float engine — could see profits erode for several quarters. The mitigant is that 91.2% is still a profitable combined ratio (below 100%) and GEICO has repriced through similar cycles before; the threshold to watch is a combined ratio pushing above 100% for consecutive quarters. Until then this is a margin dent, not a thesis break.

Risk 2 — Post-Buffett capital-allocation risk. With Greg Abel now controlling deployment, the market is underwriting a person with a far shorter public track record than Warren Buffett. Q2 was encouraging, but the flip side of “cash is finally being deployed” is that the quality of that deployment now matters enormously. A single overpriced mega-acquisition, or a return to indiscriminate cash hoarding, could impair returns on equity and trigger a de-rating. Because roughly $985 billion of market cap rests partly on trust in the allocator, sentiment here is more fragile than the fortress balance sheet suggests. We are watching every large deal and the price paid.

Risk 3 — Scale anchor and catastrophe/concentration volatility. At nearly $1 trillion in market value, Berkshire’s forward compounding is mathematically capped in the high-single to low-double digits; the days of 20%+ annual intrinsic-value growth are structurally over. Layered on top is event risk: a major hurricane or earthquake season can hit underwriting and book value simultaneously, and the equity portfolio remains concentrated (Apple and a growing Alphabet stake among the largest positions), so a drawdown in a few mega-cap holdings would swing reported net earnings and book value in the same quarter. These are not thesis-breakers — they are the reasons Berkshire is a ballast holding rather than a high-return compounder, and they justify a valuation discipline that does not chase the shares above fair value.

7. Conclusion & Exit Plan

Investment rating: Hold (core position maintained). Berkshire remains a fortress-quality holding whose thesis actually strengthened this quarter on the deployment axis, even after we corrected our overstated buyback estimate. With the shares at $511.80 and a base-case fair value of $555, the upside to base is a modest ~8%, which is appropriate for a portfolio-ballast position rather than a high-conviction accumulation.

Entry / accumulation range: $465–$485 remains the zone to add, contingent on GEICO’s combined ratio stabilizing and book-value growth staying intact. That range sits near the 52-week low and would imply buying close to 1.35x book.

Exit conditions:
Target achieved: trim ~30% of the position at the base-case target of $555; trim a further ~25% above the bull-case $600.
Fundamental break: reduce materially if GEICO’s combined ratio pushes above 100% for two or more consecutive quarters, if Abel-era ROE drifts toward mid-single digits, if a large acquisition is made at a visibly excessive price, or if leverage rises above roughly 0.20 debt-to-equity.
Time-based: reassess after Q3 2026 earnings (early November), with GEICO’s combined-ratio trend as the specific interim trigger.



ItemDetail
CompanyBerkshire Hathaway Inc. Class B (BRK.B)
Current Price$511.80
Target Price (base)$555
Upside+8.4%
RatingHold (core)
Key ThesisCapital deployment restarted (cash fell $32B, first net equity buying in 15 quarters) while book value compounds ~8–9%/yr
Main RiskGEICO underwriting deterioration (combined ratio 91.2%, up 7.7 pts)

8. What Changed Since Last Analysis

When we first built the case for owning BRK.B, and reinforced it in our August 4 note, we rested the thesis on four core ideas. Here is each one, and its honest status after Q2 2026.

Idea 1 — “A record repurchase, potentially the largest in company history, would gut the idle-cash bear case.” Status: partially wrong on the number, right on the direction. This is the correction we owe readers. We flagged a buyback in the ~$11 billion range and called it potentially historic. The actual Q2 repurchase disclosed on August 8 was $4.5 billion — a genuine 19x step-up from Q1’s $235 million and the most Berkshire has bought back in some time, but nowhere near a company record and well below what we projected. The magnitude of the buyback thesis was overstated; we recalibrate it here.

Idea 2 — “Capital deployment is restarting under Greg Abel, shrinking the cash-drag discount.” Status: strengthened, and now the load-bearing idea. Even with a smaller buyback, the broader deployment story came in better than we argued. Cash fell for the first time in years, from $397.4 billion to $365.5 billion. Berkshire turned net buyer of equities to the tune of ~$20 billion after fourteen straight quarters of selling. Combined with the earlier Taylor Morrison acquisition, total deployment far exceeded the buyback alone. The single biggest overhang on the stock — a low return on idle cash — is being actively dismantled. This idea did more work than the buyback ever could.

Idea 3 — “$177 billion of float plus rising operating earnings anchors intrinsic value.” Status: intact and confirmed. Float rose to $177.5 billion, operating earnings grew 16% to $12.98 billion, and shareholders’ equity reached $750.2 billion (+4.2% YTD). The compounding machine is running as designed.

Idea 4 — “P/B in the 1.2x–1.6x band with a demonstrated buyback floor.” Status: intact, and the stock quietly got cheaper. P/B compressed from 1.52x to 1.47x because book value rose while the shares stayed flat.

New idea that emerged this quarter: the quality of Abel’s deployment is now the swing variable for the stock, more than the quantity of cash. With the cash finally moving, the market’s attention shifts from “will they deploy?” to “are they deploying well?” — a subtler and more demanding question.

New risk not present in the prior analysis: GEICO’s sharp underwriting deterioration (profit −45%, combined ratio to 91.2%). A month ago this was not on the risk list; today it is Risk #1.

9. Current Assessment

At our prior coverage the shares sat around $513; today they are $511.80 — essentially flat, a slight decline of roughly 0.2% over the intervening period. Over the longer holding horizon since our original entry, the position remains substantially in the green (a return well above 70% on cost), so the recent flatness is consolidation within a large existing gain, not a drawdown.

Measured against our scenario targets, the stock currently sits below all three of our prior price targets (base $548, bull $598, bear $468) — trading between the bear case and the base case. None of the upside targets has been reached; the shares are consolidating in the low-$500s while book value catches up to them, which is exactly the mechanism that improves the risk/reward from here.

It has been roughly nine days since our last note but a longer arc — several months — since the original thesis was established, and across that arc the defining event was the Q2 print that finally showed cash in motion. Our current stance is to maintain the core position: the thesis is intact, the valuation is modestly attractive after the P/B compression, and the one genuine negative (GEICO) is a watch-item rather than a break. We are neither adding aggressively at $511.80 nor trimming; we hold and wait for either the $465–$485 accumulation zone or the $555 base-case trim level.

10. Revised Price Target & Valuation

Updating the valuation for Q2 actuals changes the inputs more than the conclusion. The key change is a higher starting book value: shareholders’ equity of $750.2 billion translates to book value per B-share of approximately $348 (from ~$337 previously), a direct consequence of 4.2% year-to-date equity growth. Applying a conservative 8% forward growth rate gives forward book of ~$376, and holding the P/B multiple assumptions essentially constant produces targets a hair above our prior work.



ScenarioPrevious TargetRevised TargetChangeKey Driver
Base Case$548$555+1.3%Higher starting book value ($348 vs $337); 1.48x forward book
Bull Case$598$600+0.3%Continued deployment + GEICO recovery, multiple toward 1.58x
Bear Case$468$470+0.4%GEICO drag persists, multiple compresses to ~1.32x; floor near 52W low $464

What drove the (small) changes: the entire base-case uplift comes from book value compounding, not from a richer multiple or a more optimistic growth assumption. We deliberately did not raise the multiple despite the encouraging deployment, because the GEICO underwriting deterioration is a real offsetting negative that argues for keeping our feet on the ground. In effect, the good news (deployment restarting, book compounding) and the bad news (GEICO margins) roughly cancel on the multiple, leaving book-value growth as the clean driver of a slightly higher base target.

Versus the current analyst consensus target of $525.08, our $555 base case is modestly more bullish. We disagree gently with the sell-side: consensus appears to give limited credit for the deployment inflection and instead extrapolates the GEICO softness. We think the deployment signal is the more durable one and that mechanical book-value growth alone gets the shares to the mid-$550s within twelve months.

투자 분석 이미지
Photo by Takahiro Sakamoto on Unsplash

11. Updated Exit Plan

Recommended stance: continue holding the core position. With ~8% upside to our base case, BRK.B is a hold — attractive enough to keep as ballast, not cheap enough to back up the truck at $511.80. Add only in the $465–$485 zone.

Scaling plan by price level:
– Trim approximately 30% of the position at the base-case target of $555.
– Trim a further 25% if the shares reach the bull-case $600.
Accumulate in the $465–$485 range, but only if GEICO’s combined ratio has stabilized and book-value growth remains intact.

Updated stop-loss / thesis-impairment triggers — any of the following would break the core thesis and warrant a material reduction regardless of price:
1. GEICO’s (or the group’s) combined ratio pushing above 100% for two or more consecutive quarters — this would turn float from an asset into a cost and directly invalidate the low-cost-float pillar.
2. Abel-era return on equity drifting toward mid-single digits, signaling deployment is destroying rather than creating value.
3. A large acquisition at a visibly excessive price, or a relapse into indiscriminate cash hoarding.
4. Leverage rising above ~0.20 debt-to-equity, eroding the fortress-balance-sheet advantage.

Next review date: after Q3 2026 earnings in early November 2026, with GEICO’s combined-ratio trend as the specific interim trigger that could pull the review forward.

One-sentence summary: For current holders, we recommend continuing to hold the core BRK.B position — the deployment thesis strengthened this quarter even as our buyback estimate proved too high — while trimming into the $555/$600 targets and watching GEICO’s combined ratio as the single most important tell on whether the fortress is developing a crack.

This content is general investment information provided to an indefinite/unspecified audience by a quasi-investment advisory business registered under Korea’s Financial Investment Services and Capital Markets Act, and is not personalized 1:1 investment advice tailored to any individual investor. This analysis is for informational purposes only and is not a solicitation to invest. All investment decisions and their consequences rest solely with the investor. The estimates and assumptions in this report are as of the writing date (2026-08-13) and may not materialize depending on market conditions and geopolitical variables. Financial data used reflects sources such as company filings and analyst consensus, and the scenarios and price targets represent the author’s conservative assessment. All investments carry the risk of principal loss, and past performance or analytical track record does not guarantee future results. As of the writing date, the author currently holds a position in this stock; this article is a review of an actual position. The author’s holdings and positions may change without prior notice depending on market conditions.


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