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MKS Instruments Inc (MKSI) — chart, structure and Closelooknet read

The Closelooknet read

MKS Instruments builds the subsystems that keep semiconductor fabs running: vacuum, pressure and flow control, gas delivery and gas-composition analysis in its Vacuum Solutions division; lasers, optics and precision motion control in its Photonics division; and surface finishing and plating chemistry in its Material Solutions division. Customers are chip makers, equipment builders and packaging houses.

Detail below: the desk's view, the earnings record, peers and the company snapshot; daily prices on the price-history tab. Agents can buy the score depth per call over HTTP 402 — see the catalogue. Research diary readings, not advice.

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The desk on MKSI

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

What we said

  • “We opened KLIC and MKSI in AI Build-Out — selective adds in the equipment and process-control layer, the part of the build-out we still want exposure to even as we trim the crowded large-caps.”

    Daily Pulse: Step One: Trimming the Infra-AI Side · 27 Jun 2026

Signals for this name

Every Closelooknet reading that exists for MKSI, from the same nightly bakes the boards use. Research diary readings, not advice.

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 Closelooknet index and its own sleeve — equal-weight, nightly closes.

Rubin Build-Out 100 · as of 2026-11-10

DayWeekMonth3 months
MKSI+0.9%+4.0%−14.6%−30.4%
Fab Subsystems & Process Infra+1.9%−1.0%−19.4%—
Rubin Build-Out 100+1.4%−7.1%−22.2%—

Against the index: 11.1 pts ahead on the week, 7.6 pts ahead on the month; against its Fab Subsystems & Process Infra sleeve 4.8 pts ahead on the month.

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

Mentioned on Closelooknet 2 pieces · newest: Morning 10, “The counter-test gets paid — CoreWeave +16% overnight as Seoul melts up into CPI” (2026-08-12)

Mentioned on Closelooknet

Where MKSI appears in the diary — 2 pieces, newest first. Every link is our own writing.

Dailies

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 48/100 · S&P 500 fund at 51, above its 200-day averageEight instruments scored on position, momentum, volume, volatility and fragility — the regime every name trades inside. Temperature lab → 2026-11-10
  • Factor regime Defensive rotation — low-vol leading, regime-change watchMomentum against low volatility (SPMO / SPLV): below its 50-day trend, 67th percentile of the window, -18.1% over 20 sessions. Factor regime → 2026-11-10
  • Sector × region Technology in US: −4.3% week · −14.0% month · −10.5% quarter · +5.7% yearThe Sector Engine cell this name lives in, from XLK.US; the 11 × 4 matrix shows where its sector is being bought and where it is being sold. Sector Engine → 2026-11-10
  • Sovereign pressure Index -1.67 · down 1.71 over 21 sessionsG7 long-end yields, 10s30s and the slope — the funding weather for every balance sheet on this site. Sovereign pressure → 2026-11-09
How it trades on rate days beta 0.34 to TLT · on the worst bond days it moved with the market

How it trades on rate days

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

  • Beta to long bonds, 1 year 0.34 — shows only a loose link to bond moves for every 1% move in TLT (20+ year Treasuries), MKS Instruments Inc moved 0.34% on average · correlation 0.05 · higher than 23% of US names
  • Beta, last 3 months −1.87 less rate-sensitive lately than over the year
  • On the 10 worst bond days −0.78% on average against −0.72% 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 +0.89% TLT −1.32% that day 2026-11-10

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 Rubin Build-Out 100 · Fab Subsystems & Process Infra · 3 names with week and year-to-date

Peer group

Rubin Build-Out 100 · Fab Subsystems & Process Infra

Vacuum, gas-delivery, and ultra-high-purity fluids. The fab plumbing without which the headline tools are paperweights.

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

Company snapshot — MKS Instruments Inc

MKSI 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
MKS Instruments builds the subsystems that keep semiconductor fabs running: vacuum, pressure and flow control, gas delivery and gas-composition analysis in its Vacuum Solutions division; lasers, optics and precision motion control in its Photonics division; and surface finishing and plating chemistry in its Material Solutions division. Customers are chip makers, equipment builders and packaging houses. It is based in Andover, Massachusetts, and recently renamed itself MKS Inc.
Where it sits in the stack
In our Rubin Build-Out 100 index, MKS sits in Layer 6, Manufacturing Support, within the Fab Subsystems & Process Infra sleeve — vacuum, gas-delivery and ultra-high-purity fluid systems that the headline lithography and etch tools depend on to function. It is a supplier those tools cannot run without, rather than a maker of a finished tool itself.
Who it is priced against
Closelooknet's peer group for this sleeve places it with Axcelis Technologies, Advanced Energy Industries, Ebara and Horiba; the market also names Entegris as a comparable supplier of fab-critical materials and delivery systems.
Why Closelooknet tracks it
MKS is a Rubin constituent and carries a Closelooknet score, where cash quality reads strongest and momentum weakest. The diary has flagged it twice: the Morning 10 grouped it among amber-flagged support tests, and the Daily Pulse named it as a selective add in the equipment and process-control layer even while trimming larger names.
What the diary watches
The diary watches whether orders for vacuum and gas-delivery subsystems track the pace of new fab tool installs, since this layer moves with tool capex rather than chip volume alone.

MKS Instruments Inc (MKSI) trades on US exchanges, classified under Technology, and sits in Layer 6 of the build-out stack. Constituent of Rubin Build-Out 100.

The Closelooknet company score reads 44/100 composite (momentum 12, quality 55, valuation 47) across 7 modules — the full breakdown, chart structure and analog history load live above.

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: index compare · sector dispersion · scanner.

The Street on this name 2 analyst actions on the wire · latest: price target by Morgan Stanley, 2026-10-26 · last print 2026-11-04

The Street on this name

Analyst actions and the latest print for MKSI from the Closelooknet wires — third-party opinions on the record, not our readings.

  • Price target Morgan Stanley — target 330 from 345 Target cut to $330 from $345 (+67.9% to spot) 2026-10-26
  • Price target Mizuho — target 330 from 360 Target cut to $330 from $360 (+22.6% to spot) 2026-08-25
  • Latest print EPS 4.18 against 3.63 expected — a +15.2% beat 2026-11-04

2 actions on the analyst wire since 2026-08-13: 2 target changes. Analyst wire → · Earnings wire →

Dividends and capital return trailing yield 0.45%, quarterly · buybacks 45 m USD in FY2025

Dividends and capital return

What MKSI pays out and buys back — distributions read from the price series, money terms from the filings.

  • Trailing 12 months 0.97 USD per share · a 0.45% yield on the 2026-11-10 close 4 distributions, paid quarterly 2026-11-10
  • Change on the year +11.4% against the prior twelve months prior twelve months 0.87 USD per share
  • Last distribution 0.25 USD per share as the price series records it, within days of the ex-date 2026-08-25
  • By calendar year 2023: 0.22 USD (partial) · 2024: 0.88 USD · 2025: 0.87 USD · 2026: 0.75 USD to date first distribution recorded in the three-year window: 2023-11-24
  • Dividends paid, FY2025 59 m USD 12% of earnings
  • Buybacks, FY2025 45 m USD 0.3% of today's market value
  • Share count +0.1% in FY2025 55 m USD of stock-based compensation in the year
  • Capital returned 104 m USD · 21% of free cash flow dividends and buybacks together, against the year’s free cash flow

Per-share amounts are derived from the adjusted price series in the listing currency, so dates sit within days of the ex-date; filing figures come from the fundamentals feed for the last reported fiscal year. An investment diary, not a recommendation.

FAQ · from the current data · as of 2026-11-11

Quick answers

What is MKS Instruments Inc (MKSI)?

MKS Instruments Inc trades as MKSI on the US exchange (US) and is classified under Technology in the Closelooknet research universe, as of the registry build of 2026-11-11.

Is MKSI in a Closelooknet index?

Yes — MKS Instruments Inc is a constituent of Rubin Build-Out 100, as of 2026-11-11.

What is MKS Instruments Inc's Closelooknet composite score?

44 out of 100, with momentum 12, quality 55 and valuation 47 sub-scores, as of 2026-11-11. Scores are Closelooknet's own research readings, not ratings or investment advice.

Where does MKSI trade against its moving averages?

MKS Instruments Inc trades 11.6% below its 50-day and 23.8% below its 200-day moving average (1.0% above its 20-day). As of 2026-11-09 — a technical state from the nightly Closelooknet bake, not advice. The Technical tab carries the full row.

How is MKSI doing against its Closelooknet index?

Over the past month MKS Instruments Inc is −14.6% against −22.2% for the Rubin Build-Out 100 — 7.6 points ahead of its index, as of 2026-11-10. Its Fab Subsystems & Process Infra sleeve is −19.4% 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.

How does MKS Instruments Inc compare with its peers?

Against its peer group (Rubin Build-Out 100 · Fab Subsystems & Process Infra), MKS Instruments Inc (MKSI) sits 52.7% below its 52-week high, 11.6% below its 50-day average; Advanced Energy Industries Inc (AEIS) is 44.8% below, Axcelis Technologies Inc (ACLS) is 44.5% below, Horiba (6856.T) is 34.2% below, as of 2026-11-09. Put any of them next to MKSI in the chart grid (2×1 or 2×2) and the page lays the companies side by side: performance, trend, valuation, margins and our money-flow reading.

How does MKS Instruments Inc trade when bond yields rise?

Over the past year MKS Instruments Inc had a beta of 0.34 to TLT, the long-dated Treasury fund — it shows only a loose link to bond moves, higher than 23% of US names. On the 10 sessions in which long bonds fell most it moved −0.78% on average, against −0.72% for the S&P 500. As of 2026-11-10; The "How it trades on rate days" block on this page carries the lines.

Where has Closelooknet written about MKS Instruments Inc?

MKS Instruments Inc appears in 2 Closelooknet pieces as of 2026-11-11, most recently Morning 10: The counter-test gets paid — CoreWeave +16% overnight as Seoul melts up into CPI (2026-08-12); Daily Pulse: Step One: Trimming the Infra-AI Side (2026-06-27). What Closelooknet said most recently: The scanner's clustered support tests (Horiba 6856 and Teradyne green-flagged; FMX, MKSI, Lasertec 6920 amber) resolve on the same whistle. (Morning 10, 2026-08-12). The "Mentioned on Closelooknet" block on this page lists the long reads, the reference entries and the dailies that name it.

What does MKS Instruments Inc do?

MKS Instruments builds the subsystems that keep semiconductor fabs running: vacuum, pressure and flow control, gas delivery and gas-composition analysis in its Vacuum Solutions division; lasers, optics and precision motion control in its Photonics division; and surface finishing and plating chemistry in its Material Solutions division. Customers are chip makers, equipment builders and packaging houses. It is based in Andover, Massachusetts, and recently renamed itself MKS Inc. Closelooknet's peer group for this sleeve places it with Axcelis Technologies, Advanced Energy Industries, Ebara and Horiba; the market also names Entegris as a comparable supplier of fab-critical materials and delivery systems. (Company snapshot of 2026-09-17.)

Where does MKS Instruments Inc sit in the AI build-out?

In our Rubin Build-Out 100 index, MKS sits in Layer 6, Manufacturing Support, within the Fab Subsystems & Process Infra sleeve — vacuum, gas-delivery and ultra-high-purity fluid systems that the headline lithography and etch tools depend on to function. It is a supplier those tools cannot run without, rather than a maker of a finished tool itself. MKS is a Rubin constituent and carries a Closelooknet score, where cash quality reads strongest and momentum weakest. The diary has flagged it twice: the Morning 10 grouped it among amber-flagged support tests, and the Daily Pulse named it as a selective add in the equipment and process-control layer even while trimming larger names. (Company snapshot of 2026-09-17.)

Does MKS Instruments Inc pay a dividend?

MKS Instruments Inc has paid 0.97 USD per share over the last twelve months, paid quarterly, a trailing yield of 0.45% on the 2026-11-10 close; the last distribution recorded in the price series was 0.25 USD on 2026-08-25. In fiscal 2025 the company paid 59 m USD in dividends and bought back 45 m USD of its own shares, 21% of that year’s free cash flow. The share count rose 0.1% over the fiscal year. As of 2026-11-10; the "Dividends and capital return" block on this page carries the lines.

What has Wall Street done on MKS Instruments Inc recently?

The most recent analyst action on MKS Instruments Inc on the Closelooknet wire is a price target by Morgan Stanley on 2026-10-26 (target 330 from 345). 2 actions on the analyst wire since 2026-08-13: 2 target changes. Its latest earnings print on the wire, 2026-11-04: EPS 4.18 against 3.63 expected — a +15.2% beat. Analyst actions are third-party opinions recorded by the wire, not Closelooknet readings. The “The Street on this name” block on this page lists the moves; the full feeds are the analyst wire and the earnings wire.

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

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Related in the Closelooknet universe

same Closelooknet index seat first, then Scientific & Technical Instruments. 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.