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Equity · Technology

MKSI

MKS Inc. · NasdaqGS

$260.28 +4.11% 1D Finazon · prior-day close · Sep 4, 2026

Reddit mentioned MKSI 1 times in the 30 days to 8 September 2026, in 1 of the communities we track. All of them were scored for sentiment: 100% read bullish, 0% bearish and 0% neither. Reddit data updated 8 September 2026.

Price · Chart
Our own end-of-day closes 51 sessions
$500 $200 10 Jun 4 Sep

The line runs $316 on 10 June through $260.28 on 4 September, on a scale from $200 to $500. Days the market did not trade hold the previous close, flat.

Track this symbol on TradingView

The chart above plots the price of MKSI over the range selected — one day to the full history — drawn by TradingView from their own data. Our own licensed end-of-day series holds 51 sessions over that window: $316 on 10 June 2026 through $260.28 on 4 September 2026.

Market cap $17.6B
P/E (TTM) 46.4
52-week range $100 – $447.81
Avg volume 345.8K
Mentions · 30d 1

Finazon · prior-day close · valuation computed from SEC EDGAR filings · as of Sep 7, 2026

MKSI · crowd attention × price

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Post on X Share on Reddit Share on LinkedIn
1 mentions

Day6 Sep 2026

MENTIONS10–2 / day
PRICE$260.28 · closedMARKET CLOSED · heldSource: Finazon
MKSI over the last 30 days, plotting daily Reddit mentions as bars, left-hand scale; the daily closing price as a line on its own right-hand scale, solid across consecutive trading days, breaking wherever we hold no close at all, held flat and diagonally hatched over days the market was closed, diagonally hatched over days we hold no close for.per day012usd$240$260$280$300$32010 Aug17 Aug25 Aug1 Sep8 Sep
MKSI over the last 30 days, plotting daily Reddit mentions as bars, left-hand scale; the daily closing price as a line on its own right-hand scale, solid across consecutive trading days, breaking wherever we hold no close at all, held flat and diagonally hatched over days the market was closed, diagonally hatched over days we hold no close for.10 Aug25 Aug8 Sep
The Distributed Sentinel 08 Sep 2026

MKSI drew 1 Reddit mentions over the 30 days to 8 September 2026

This chart in words

The chart plots daily Reddit mentions of MKSI over the 30 days to 8 September 2026: 1 in total, busiest on 6 September with 1, and 1 on the last day counted. The line is the daily close over the same window: $292 on 10 August, $260.28 on 6 September. Of those days, 10 were trading sessions and the other 20 are hatched on the chart. On 8 of them no session took place, and the last close before it is carried forward rather than plotted; on 12 of them we hold no close at all, which is a gap in our own record rather than a closure we can prove.

Finazon · prior-day close, most closes dollar-rounded at the source

Crowd sentiment on MKSI · 30d

n = 1 scored · Method

1 mention of MKSI was scored for sentiment in these 30 days, so that one reading IS the sample. A bullish or bearish share of it could only ever read 0% or 100%, which states the sample size and not the crowd — so none is drawn. The chart on this page applies the same 5-mention floor to every day it plots.

Where MKSI is discussed

(30d)
r/stocks 100% 1 +0.24

MKSI insider trades

SEC Form 4 · last 90 days · newest reported trade 1 Sep 2026
Open-market buys 0
Open-market sells 5
Net sold $4.69M
Non-trade filings 0
Date Insider Type Shares Value
01 Sep 2026 Mora Elizabeth Director Sell 300 $75K
14 Aug 2026 Lee John Tseng-Chung President & CEO Sell 10,000 $3.02M
03 Aug 2026 Williams John Edward EVP & GM, PSD Sell 457 $132K
12 Jun 2026 Schreiner James Alan EVP & COO Sell 3,500 $1.21M
10 Jun 2026 Schreiner James Alan EVP & COO Sell 781 $248K

MKSI reported financials

SEC EDGAR XBRL

MKSI reported revenue of $3.9B for the fiscal year ended 31 Dec 2025. Net income over the same period was $295.0M.

Figure Reported Period
Revenue $3.9B 31 Dec 2025 fiscal year
Net income $295.0M 31 Dec 2025 fiscal year
Diluted EPS $4.37 31 Dec 2025 fiscal year
Total assets $8.9B 30 Jun 2026 at period end
Total equity $3.0B 30 Jun 2026 at period end

Source: SEC EDGAR XBRL company facts · latest period ended 30 Jun 2026

MKSI earnings

SEC EDGAR
Date Period EPS Revenue
30 Jun 2026 Q2 2026 $2.41 $1.25B
31 Mar 2026 Q1 2026 $1.18 $1.08B
31 Dec 2025 FY 2025 $4.37 $3.93B
30 Sep 2025 Q3 2025 $1.10 $988M
30 Jun 2025 Q2 2025 $0.92 $973M
31 Mar 2025 Q1 2025 $0.77 $936M
31 Dec 2024 FY 2024 $2.81 $3.59B
30 Sep 2024 Q3 2024 $0.92 $896M

Next report no date announced in SEC filings yet

Reported figures & scheduled dates · SEC EDGAR filings

MKSI institutional holders

SEC Form 13F

15 of the 45 institutional funds we track reported a MKSI position for the quarter ended 30 Jun 2026 — a combined $2.7B; the latest of those filings landed 02 Sep 2026.

Fund Action Shares Value
Point72 Asset Management Held (±25%) +24.0% shares 1,996,843 $888.2M
Whale Rock Capital Management Held (±25%) −2.7% shares 1,271,373 $565.5M
Citadel Advisors Trimmed −26.3% shares 697,670 $310.3M
Millennium Management Trimmed −27.9% shares 645,071 $286.9M
AQR Capital Management Held (±25%) +3.5% shares 638,333 $280.2M
Balyasny Asset Management Trimmed −36.1% shares 260,178 $115.7M
Marshall Wace Added +128.1% shares 225,115 $100.1M
Two Sigma Investments Trimmed −48.6% shares 143,365 $63.8M
Glenview Capital Management New position 98,532 $43.8M
Renaissance Technologies Trimmed −61.0% shares 40,403 $18.0M

Showing the 10 largest of 15 reported positions. The figures above count all of them.

Source: SEC EDGAR 13F filings

MKSI fails-to-deliver

SEC CNS data

On 05 Aug 2026, 3,823 shares of MKSI failed to deliver (about $1.2M).

Settlement date Shares failed Notional % of shares out
05 Aug 2026 3,823 $1.2M 0.006%
30 Jul 2026 112 $29K <0.001%

Source: SEC fails-to-deliver (CNS) data

MKSI — frequently asked questions

From live data

How often is MKSI mentioned on Reddit?

MKSI was mentioned 1 times in the last 7 days across the finance subreddits we track, and 1 times over the trailing 30 days.

Is Reddit bullish or bearish on MKSI?

Across 1 classified MKSI mentions in the last 30 days, 100% read bullish, 0% bearish and 0% neutral. Crowd sentiment is a social signal, not investment advice.

When did MKSI last report earnings?

MKS Instruments (MKSI) last reported earnings on 30 Jun 2026 for Q2 2026, per SEC filings.

Are MKSI insiders buying or selling?

SEC Form 4 filings over the last 90 days show 0 buys and 5 sells by MKSI insiders on the open market.

What exchange is MKSI listed on?

MKS Instruments trades on NASDAQ under the ticker MKSI.

Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.