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Berkshire Hathaway Inc (BRK-B) — chart, structure and Closelook read

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Company snapshot — Berkshire Hathaway Inc

BRK-B in five paragraphs: what it makes and sells, where it sits in the Closelook stack, who it is priced against, why we track it, what we watch. Research diary, not advice.

What it does
Berkshire Hathaway is a holding company built around insurance and reinsurance, with railroads, energy and a wide spread of manufacturing, retail and services businesses under one roof. It owns operations such as freight rail, utilities and pipelines alongside consumer brands in furniture, confectionery and building products. It is based in Omaha and run as a collection of largely autonomous subsidiaries rather than a single operating business.
Where it sits in the stack
Berkshire sits outside our Rubin index and its AI build-out sleeves; it belongs instead to the broad financial-services and diversified-holdings part of our universe, alongside other multi-line insurers and conglomerates.
Who it is priced against
No peer group is set for Berkshire in our sleeves; the comparison the market draws most often is with other diversified insurance holding companies, such as Markel.
Why Closelook tracks it
It carries an S&P 500 index seat but no Closelook score, no peer group and no quotes in the diary so far, so its coverage here is limited to that index membership.
What the diary watches
Whether the insurance and railroad units keep generating enough cash for further acquisitions, and whether any single subsidiary starts to dominate group earnings.

Berkshire Hathaway Inc (BRK-B) trades on US exchanges.

Written from the company’s public profile and Closelook’s own readings, 2026-09-17. Descriptive, refreshed with the registry; corrections welcome via the imprint. closelook.net is an investment research diary — market structure, index membership and scores are our own readings, not investment advice. Related: BRK-B news on the tape · index compare · sector dispersion · scanner.

Signals for this name

Every Closelook reading that exists for BRK-B, from the same nightly bakes the boards use. Research diary readings, not advice.

Weather around the name 3 macro readings: Money Temperature, Factor regime, Sovereign pressure

The weather around this name

Macro readings that apply by membership — the regime, the factor tape, the sector cell, the funding backdrop.

  • Money Temperature Composite 55/100 · S&P 500 fund at 58, above its 50- and 200-day averagesEight instruments scored on position, momentum, volume, volatility and fragility — the regime every name trades inside. Temperature lab → 2026-09-17
  • Factor regime Momentum leading — risk appetite buildingMomentum against low volatility (SPMO / SPLV): above its 50-day trend, 94th percentile of the window, +2.7% over 20 sessions. Factor regime → 2026-09-17
  • Sovereign pressure Index 0.00 · down 0.41 over 21 sessionsG7 long-end yields, 10s30s and the slope — the funding weather for every balance sheet on this site. Sovereign pressure → 2026-09-17

FAQ · from the current data · as of 2026-09-18

Quick answers

What is Berkshire Hathaway Inc (BRK-B)?

Berkshire Hathaway Inc trades as BRK-B on the US exchange (United States) in the Closelook research universe, as of the registry build of 2026-09-18.

Is BRK-B in a Closelook index?

Not currently — Berkshire Hathaway Inc is tracked in the Closelook research universe but is not a constituent of a Closelook functional index as of 2026-09-18.

Where does BRK-B trade against its moving averages?

Uptrend stack intact: Trades +0.9% vs the 50-day and +3.4% vs the 200-day average, 5.3% below the 52-week high and +9.7% off the 52-week low; a golden cross printed 36 sessions ago. Computed from daily closes. As of 2026-09-17 — a technical state from the nightly Closelook bake, not advice. The Technical tab carries the full row.

What does Berkshire Hathaway Inc do?

Berkshire Hathaway is a holding company built around insurance and reinsurance, with railroads, energy and a wide spread of manufacturing, retail and services businesses under one roof. It owns operations such as freight rail, utilities and pipelines alongside consumer brands in furniture, confectionery and building products. It is based in Omaha and run as a collection of largely autonomous subsidiaries rather than a single operating business. No peer group is set for Berkshire in our sleeves; the comparison the market draws most often is with other diversified insurance holding companies, such as Markel.

Where does Berkshire Hathaway Inc sit in the AI build-out?

Berkshire sits outside our Rubin index and its AI build-out sleeves; it belongs instead to the broad financial-services and diversified-holdings part of our universe, alongside other multi-line insurers and conglomerates. It carries an S&P 500 index seat but no Closelook score, no peer group and no quotes in the diary so far, so its coverage here is limited to that index membership.

What does this page show?

A live price chart with SMA overlays and drawing tools for BRK-B, performance metrics, index-membership context and the Closelook structure read — an investment research diary view, not investment advice.

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