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Atlas Copco AB Series A (ATCO-A.ST) — chart, structure and Closelook read

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Company snapshot — Atlas Copco AB Series A

ATCO-A.ST 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
Atlas Copco makes compressed air and gas equipment, vacuum systems, industrial power tools, assembly machinery and machine vision, sold across manufacturing, semiconductor, automotive, energy and other industries worldwide. It operates through four segments — Compressor Technique, Vacuum Technique, Industrial Technique and Power Technique — covering everything from piston compressors and turbomolecular pumps to riveting tools and portable generators. It is headquartered in Nacka, Sweden.
Where it sits in the stack
Atlas Copco carries no seat in Rubin, our index for the AI build-out, so it is not read as a constraint on or customer of any layer in that stack. It sits in the Industrials sector of the diary's broader universe, grouped with Swedish machinery and equipment names; its Vacuum Technique unit does serve semiconductor and flat-panel customers, but that overlap is not enough on its own to place it in Rubin.
Who it is priced against
Closelook's peer group pairs it with other scored Industrials names from Sweden — Mycronic, ABB, Saab, Alfa Laval and Munters — grouped for shared sector and country rather than product overlap; the market also names Ingersoll Rand as a compressor-equipment competitor.
Why Closelook tracks it
It holds a seat in our Euro-AI 50 and carries a Closelook score, with momentum the strongest module and valuation the weakest; the diary has not yet quoted it directly.
What the diary watches
Whether demand from semiconductor and electronics customers for its Vacuum Technique equipment grows enough to justify a look at any AI build-out link, and whether the weak valuation module narrows as momentum holds.

Atlas Copco AB Series A (ATCO-A.ST) trades on the ST exchange in Sweden, classified under Industrials. Constituent of Euro-AI 50.

The Closelook company score reads 53/100 composite (momentum 65, quality 66, valuation 30) across 7 modules — the full breakdown, chart structure and analog history load live above.

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: index compare · sector dispersion · scanner.

Signals for this name

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

Who it is priced against Industrials · Sweden · 5 names with week and year-to-date

Peer group

Industrials · Sweden

Scored names in the same sector and country from the Closelook universe.

Compared against ATCO-A.ST on the nightly bakes; the Peers tab ranks the cohort on the Closelook scores where it exists.

Versus its index Euro-AI 50 — the name, its sleeve and the index over day, week and month

Versus its index

The name against its Closelook index and its own sleeve — equal-weight, nightly closes.

Euro-AI 50 · as of 2026-09-17

DayWeekMonth3 months
ATCO-A.ST−1.8%−1.2%−1.6%+1.7%
Euro-AI 50+1.7%+0.9%−4.1%—

Against the index: 2.1 pts behind on the week, 2.5 pts ahead on the month.

Returns from the index workers’ nightly closes; equal-weight sleeves. A relative reading from the research diary, not advice.

Weather around the name 4 macro readings: Money Temperature, Factor regime, Sector × region …

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
  • Sector × region Industrials in Europe: −0.9% week · −4.7% month · −1.6% quarter · +0.4% yearThe Sector Engine cell this name lives in, from EXH4.XETRA; the 11 × 4 matrix shows where its sector is being bought and where it is being sold. Sector Engine → 2026-09-16
  • 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 Atlas Copco AB Series A (ATCO-A.ST)?

Atlas Copco AB Series A trades as ATCO-A.ST on the ST exchange (Sweden) and is classified under Industrials in the Closelook research universe, as of the registry build of 2026-09-18.

Is ATCO-A.ST in a Closelook index?

Yes — Atlas Copco AB Series A is a constituent of Euro-AI 50, as of 2026-09-18.

What is Atlas Copco AB Series A's Closelook composite score?

53 out of 100, with momentum 65, quality 66 and valuation 30 sub-scores, as of 2026-09-18. Scores are Closelook's own research readings, not ratings or investment advice.

Where does ATCO-A.ST trade against its moving averages?

Stochastic turned up: Its stochastic crossed up out of oversold (%K 28 over %D 21.7) today — a short-term momentum-turn signal. As of 2026-09-17 — a technical state from the nightly Closelook bake, not advice. The Technical tab carries the full row.

How is ATCO-A.ST doing against its Closelook index?

Over the past month Atlas Copco AB Series A is −1.6% against −4.1% for the Euro-AI 50 — 2.5 points ahead of its index, as of 2026-09-17. The “Versus its index” table on this page carries the day, the week and the month for the name, its sleeve and the index.

What does Atlas Copco AB Series A do?

Atlas Copco makes compressed air and gas equipment, vacuum systems, industrial power tools, assembly machinery and machine vision, sold across manufacturing, semiconductor, automotive, energy and other industries worldwide. It operates through four segments — Compressor Technique, Vacuum Technique, Industrial Technique and Power Technique — covering everything from piston compressors and turbomolecular pumps to riveting tools and portable generators. It is headquartered in Nacka, Sweden. Closelook's peer group pairs it with other scored Industrials names from Sweden — Mycronic, ABB, Saab, Alfa Laval and Munters — grouped for shared sector and country rather than product overlap; the market also names Ingersoll Rand as a compressor-equipment competitor.

Where does Atlas Copco AB Series A sit in the AI build-out?

Atlas Copco carries no seat in Rubin, our index for the AI build-out, so it is not read as a constraint on or customer of any layer in that stack. It sits in the Industrials sector of the diary's broader universe, grouped with Swedish machinery and equipment names; its Vacuum Technique unit does serve semiconductor and flat-panel customers, but that overlap is not enough on its own to place it in Rubin. It holds a seat in our Euro-AI 50 and carries a Closelook score, with momentum the strongest module and valuation the weakest; the diary has not yet quoted it directly.

What does this page show?

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

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