—
C+
C+ The full Closelook — membership. Open the C+ overview

Ferrotec Holdings (6890.T) — chart, structure and Closelook read

Home› Indices›
Pick a ticker to load its detail page.

Company snapshot — Ferrotec Holdings

6890.T 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
Ferrotec Holdings is a Japanese company that supplies materials and components used inside semiconductor manufacturing equipment, including quartz and ceramic parts, and it also makes silicon wafers and thermoelectric modules. It sells to chipmakers and equipment builders rather than producing finished chips itself.
Where it sits in the stack
In our Rubin Build-Out 100 index, Ferrotec sits in Layer 3, Assembly & Test, inside the Testing & Metrology sleeve — the group of testers, inspection and metrology vendors that keeps yield curves honest as chip nodes shrink. It acts as a constraint on that layer, since finished chips cannot be verified without the tools and materials this sleeve supplies.
Who it is priced against
Closelook's peer group places it with the Testing & Metrology sleeve, alongside Teradyne, Onto Innovation, KLA, Camtek, PDF Solutions, Cohu, Nova and Aehr Test Systems; the market also compares it with Advantest.
Why Closelook tracks it
It holds a seat in the Rubin Build-Out 100 and carries a Closelook score, but only one module is scored so far, so the read is still being built; the diary has not yet quoted it in an edition.
What the diary watches
Whether test and metrology intensity keeps rising as chips shrink further, and whether yield verification turns into a bottleneck as the build-out scales.

Ferrotec Holdings (6890.T) trades on the TSE exchange in Japan, and sits in Layer 3 of the build-out stack. Constituent of Rubin Build-Out 100.

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 6890.T, from the same nightly bakes the boards use. Research diary readings, not advice.

Who it is priced against Rubin Build-Out 100 · Testing & Metrology · 8 names with week and year-to-date

Peer group

Rubin Build-Out 100 · Testing & Metrology

ATE testers, inspection, and metrology vendors. The constraint that keeps yield curves honest at every node shrink.

Compared against 6890.T on the nightly bakes; the Peers tab ranks the cohort on the Closelook scores where it exists.

Versus its index Rubin Build-Out 100 — 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.

Rubin Build-Out 100 · as of 2026-09-17

DayWeekMonth3 months
6890.T−0.8%−1.8%+5.5%−12.2%
Testing & Metrology+2.5%−4.2%−5.9%—
Rubin Build-Out 100+1.5%−2.2%−2.9%—

Against the index: 0.4 pts ahead on the week, 8.4 pts ahead on the month; against its Testing & Metrology sleeve 11.4 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 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 Ferrotec Holdings (6890.T)?

Ferrotec Holdings trades as 6890.T on the TSE exchange (Japan) in the Closelook research universe, as of the registry build of 2026-09-18.

Is 6890.T in a Closelook index?

Yes — Ferrotec Holdings is a constituent of Rubin Build-Out 100, as of 2026-09-18.

Where does 6890.T trade against its moving averages?

Reclaimed its 50-day: Closed back above its 50-day line 4 sessions ago, with the 200-day still rising beneath it. As of 2026-09-18 — a technical state from the nightly Closelook bake, not advice. The Technical tab carries the full row.

How is 6890.T doing against its Closelook index?

Over the past month Ferrotec Holdings is +5.5% against −2.9% for the Rubin Build-Out 100 — 8.4 points ahead of its index, as of 2026-09-17. Its Testing & Metrology sleeve is −5.9% over the same month. 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 Ferrotec Holdings do?

Ferrotec Holdings is a Japanese company that supplies materials and components used inside semiconductor manufacturing equipment, including quartz and ceramic parts, and it also makes silicon wafers and thermoelectric modules. It sells to chipmakers and equipment builders rather than producing finished chips itself. Closelook's peer group places it with the Testing & Metrology sleeve, alongside Teradyne, Onto Innovation, KLA, Camtek, PDF Solutions, Cohu, Nova and Aehr Test Systems; the market also compares it with Advantest.

Where does Ferrotec Holdings sit in the AI build-out?

In our Rubin Build-Out 100 index, Ferrotec sits in Layer 3, Assembly & Test, inside the Testing & Metrology sleeve — the group of testers, inspection and metrology vendors that keeps yield curves honest as chip nodes shrink. It acts as a constraint on that layer, since finished chips cannot be verified without the tools and materials this sleeve supplies. It holds a seat in the Rubin Build-Out 100 and carries a Closelook score, but only one module is scored so far, so the read is still being built; the diary has not yet quoted it in an edition.

What does this page show?

A live price chart with SMA overlays and drawing tools for 6890.T, performance metrics, index-membership context and the Closelook structure read — an investment research diary view, not investment advice.

Related in the Closelook universe