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

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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.

Mentioned on Closelooknet 1 piece · newest: Weekly Signal, “Financials — The Early Warning Has Turned, for Now” (2026-10-11)

Mentioned on Closelooknet

Where BRK.B appears in the diary — 1 piece, newest first. Every link is our own writing.

Long reads

  • Financials — The Early Warning Has Turned, for NowWeekly Signal · 11 Oct 2026They are not one trade: Table as text Name Friday Week 2026 From the 2026 high Autumn low vs 50-day Berkshire Hathaway (BRK.B) 515.62 +2.6% +2.6% −2.6% (529.42, 10 Aug) 497.95, 30 Sep +1.5% JPMorgan (JPM) 332.99 +0.2% +3.3% −8.8% (365.18…
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 57/100 · S&P 500 fund at 71, bullish alignedEight instruments scored on position, momentum, volume, volatility and fragility — the regime every name trades inside. Temperature lab → 2026-10-09
  • Factor regime Momentum leading — risk appetite buildingMomentum against low volatility (SPMO / SPLV): above its 50-day trend, 94th percentile of the window, +5.0% over 20 sessions. Factor regime → 2026-10-12
  • Sovereign pressure Index 0.04 · down 0.71 over 21 sessionsG7 long-end yields, 10s30s and the slope — the funding weather for every balance sheet on this site. Sovereign pressure → 2026-10-09
How it trades on rate days beta 0.09 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 0.09 — shows only a loose link to bond moves for every 1% move in TLT (20+ year Treasuries), Berkshire Hathaway Inc moved 0.09% on average · correlation 0.06 · higher than 12% of US names
  • Beta, last 3 months 0.02 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.

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 diversified holding company led by Warren Buffett, owning insurance operations such as GEICO, the BNSF freight railroad, and a range of utility and energy businesses. It also holds industrial and retail subsidiaries and manages a large portfolio of listed equity stakes, funded partly by a substantial cash reserve kept for future acquisitions.
Where it sits in the stack
Berkshire carries no seat in our index and sits outside the layers the diary tracks for the AI build-out; it belongs instead to the broader diversified-holding sector of our universe, which the diary follows apart from the stack.
Who it is priced against
The diary lists no peer group for Berkshire; the outside name most often set beside it in the market is another large diversified holding company such as Loews Corporation.
Why Closelooknet tracks it
Berkshire holds no seat in Rubin or Halo and carries no Closelooknet score, so its scoring is still being built; the diary records no quotes or editions naming it so far.
What the diary watches
The diary watches whether Berkshire's recent run of higher closes, sitting well above its 50- and 200-day levels, continues or fades, since either shift would change how the position reads.

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 2026-10-13

Quick answers

What is Berkshire Hathaway Inc (BRK.B)?

Berkshire Hathaway Inc trades as BRK.B on the US exchange (US) in the Closelooknet research universe, as of the registry build of 2026-10-13.

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 2026-10-13.

Where does BRK.B trade against its moving averages?

Uptrend stack intact: Trades +1.9% vs the 50-day and +5% vs the 200-day average, 3.7% below the 52-week high and +11.5% off the 52-week low; a golden cross printed 53 sessions ago. Computed from daily closes. As of 2026-10-12 — 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 0.09 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.

Where has Closelooknet written about Berkshire Hathaway Inc?

Berkshire Hathaway Inc appears in 1 Closelooknet piece, most recently Weekly Signal: Financials — The Early Warning Has Turned, for Now (2026-10-11). What Closelooknet said most recently: They are not one trade: Table as text Name Friday Week 2026 From the 2026 high Autumn low vs 50-day Berkshire Hathaway (BRK.B) 515.62 +2.6% +2.6% −2.6% (529.42, 10 Aug) 497.95, 30 Sep +1.5% JPMorgan (JPM) 332.99 +0.2% +3.3% −8.8% (365.18… (Weekly Signal, 2026-10-11). The "Mentioned on Closelooknet" block on this page lists the long reads, the reference entries and the dailies that name it.

What does Berkshire Hathaway Inc do?

Berkshire Hathaway is a diversified holding company led by Warren Buffett, owning insurance operations such as GEICO, the BNSF freight railroad, and a range of utility and energy businesses. It also holds industrial and retail subsidiaries and manages a large portfolio of listed equity stakes, funded partly by a substantial cash reserve kept for future acquisitions. The diary lists no peer group for Berkshire; the outside name most often set beside it in the market is another large diversified holding company such as Loews Corporation.

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

Berkshire carries no seat in our index and sits outside the layers the diary tracks for the AI build-out; it belongs instead to the broader diversified-holding sector of our universe, which the diary follows apart from the stack. Berkshire holds no seat in Rubin or Halo and carries no Closelooknet score, so its scoring is still being built; the diary records no quotes or editions naming it so far.

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.