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

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The desk on BRK-B

What this diary said about Berkshire Hathaway Inc, what it holds and what would change its view — in its own words, dated. Investment diary, not advice.

What we hold

BookPositionSinceResult
The Compound (wikifolio) ↗ 10 shares · average entry €435.30 — —

Model books as of the latest close; wikifolio positions from the official wikifolio data, entries in euros. Results are unrealised, before any exit. A record of what the diary does, not a recommendation to do the same.

Signals for this name

Every Closelooknet 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 62/100 · S&P 500 fund at 67, bullish alignedEight instruments scored on position, momentum, volume, volatility and fragility — the regime every name trades inside. Temperature lab → 2026-09-25
  • Factor regime Momentum leading — risk appetite buildingMomentum against low volatility (SPMO / SPLV): above its 50-day trend, 99th percentile of the window, +8.4% over 20 sessions. Factor regime → 2026-09-25
  • Sovereign pressure Index 0.61 · up 0.29 over 21 sessionsG7 long-end yields, 10s30s and the slope — the funding weather for every balance sheet on this site. Sovereign pressure → 2026-09-25
How it trades on rate days beta 0.06 to TLT · on the worst bond days it held up better than the market

How it trades on rate days

How BRK-B has moved when long-dated Treasury yields rise — measured against TLT, the 20+ year Treasury fund.

  • Beta to long bonds, 1 year 0.06 — shows only a loose link to bond moves for every 1% move in TLT (20+ year Treasuries), Berkshire Hathaway Inc moved 0.06% on average · correlation 0.04 · higher than 12% of US names
  • Beta, last 3 months −0.09 about the same as over the year
  • On the 10 worst bond days −0.25% on average against −0.74% for the S&P 500 the 10 sessions of the past year in which TLT fell most, i.e. long yields rose most
  • Latest of those days −0.39% TLT −1.29% that day 2026-09-24

Daily total returns from the adjusted price series; a TLT down day is a day long yields rose. Beta = the average move of the name for a 1% move in TLT. Past sensitivity, not a forecast. An investment diary, not a recommendation.

Who it is priced against Insurance - Diversified · United States · 3 names with week and year-to-date

Peer group

Insurance - Diversified · United States

This name carries no Closelooknet score, so its cohort ranks on trend state — distance to the 50- and 200-day averages — never on a score it does not have.

Compared against BRK-B on the nightly bakes; the Peers tab ranks the cohort on the Closelooknet scores where it exists.

Company snapshot — Berkshire Hathaway Inc

BRK-B in five paragraphs: what it makes and sells, where it sits in the Closelooknet 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 Closelooknet tracks it
It carries an S&P 500 index seat but no Closelooknet 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 Closelooknet’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.

FAQ · from the current data · as of 2026-09-26

Quick answers

What is Berkshire Hathaway Inc (BRK-B)?

Berkshire Hathaway Inc trades as BRK-B on the US exchange (United States) in the Closelooknet research universe, as of the registry build of 2026-09-26.

Is BRK-B in a Closelooknet index?

Not currently — Berkshire Hathaway Inc is tracked in the Closelooknet research universe but is not a constituent of a Closelooknet functional index as of 2026-09-26.

Where does BRK-B trade against its moving averages?

Pullback inside an uptrend stack: Trades -0.2% vs the 50-day and +2.6% vs the 200-day average, 6% below the 52-week high and +8.9% off the 52-week low; a golden cross printed 42 sessions ago. Computed from daily closes. As of 2026-09-25 — a technical state from the nightly Closelooknet bake, not advice. The Technical tab carries the full row.

How does Berkshire Hathaway Inc trade when bond yields rise?

Over the past year Berkshire Hathaway Inc had a beta of 0.06 to TLT, the long-dated Treasury fund — it shows only a loose link to bond moves, higher than 12% of US names. On the 10 sessions in which long bonds fell most it moved −0.25% on average, against −0.74% for the S&P 500. The "How it trades on rate days" block on this page carries the lines.

Does Closelooknet hold Berkshire Hathaway Inc?

Yes — The Compound (wikifolio): 10 shares · average entry €435.30. A record of what the diary does, not a recommendation to do the same.

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 Closelooknet 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 Closelooknet structure read — an investment research diary view, not investment advice.

Related in the Closelooknet universe

then Insurance - Diversified, then Financial Services. Scored names rank on their Closelooknet score; names without one rank on trend state — above or below their 50- and 200-day averages — never on a score they do not carry.