Skip to main content

MKS Inc.

corporate_fare Company Profile

MKS Inc.

MKSI·NASDAQ·Industrial Applications And Services·CIK 0001049502

MKS Inc., founded in 1961 as a Massachusetts corporation, provides foundational technology solutions for advanced manufacturing. The company delivers instruments, subsystems, systems, process control solutions, and specialty chemicals technology. These solutions are designed to improve process performance, optimize productivity, and enable innovations for technology and industrial companies. MKS's offerings address challenges in advanced device manufacturing, such as miniaturization and complexity, by enabling increased power, speed, feature enhancement, and optimized connectivity. They also meet performance requirements in various specialty industrial applications. MKS serves a diverse customer base across three primary end-markets: semiconductor, electronics and packaging, and specialty industrial. The company focuses on long-term collaborative relationships with its customers.

MKS Inc. (NASDAQ:MKSI) is a publicly traded company in the Industrial Applications And Services sector. Wiseek has independently scored 21 items for MKSI at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-11-04, rated 7/10. Across its 20 most recent items scored 7 or higher, the top rating is 9/10, with 15 rated 8 or above. Recent SEC coverage for MKSI spans 8-K, 10-Q, DEF 14A, PRE 14A.

Recent high-impact activity:

  • MKS Beats Q3 Estimates, Guides Q4 Revenue to $1.49B
  • MKS Beats Q3 Guidance, Launches $500M Buyback and Cuts Special-Meeting Threshold to 25%
  • MKS Posts $4.18 Adjusted EPS for Third Quarter
  • $500M Buyback and First $0.25 Quarterly Dividend Announced
  • $650M Cash Sale of Ophir Optics Sends MKS Toward Core Semi Focus

Financial Snapshot

Fiscal year ended December 31, 2025
Revenue
$3.93B
Net Income
$295M
Diluted EPS
$4.37
Op. Cash Flow
$645M
Free Cash Flow
$497M
Gross Profit
$1.84B
Operating Income
$528M
Cash & Equivalents
$418M
Total Debt
$4.2B
Debt / Equity
1.55×
Net Margin
7.5%
Shares Outstanding
67.2M sh
Source: 10-K · filed 2026-02-24 · accession 0001193125-26-066820

Short Interest & Short Volume

3.66 days to cover

FINRA reported short interest of 4,910,795 shares in MKSI as of the October 15, 2026 settlement, a 3.4% decrease from the prior period — about 3.7 days to cover at its recent average daily volume. On November 5, 2026, 24.5% of MKSI volume reported to FINRA trade-reporting facilities was marked short.

Short interest (bi-monthly positions)4,910,795 shares as of October 15, 2026
Change vs prior period▼ 3.4%
Days to cover3.66 at avg daily volume of 1,343,207
Daily short volume (FINRA facilities)24.5% of 1,734,576 shares on November 5, 2026
5-day average short volume30.7%

Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.

Browse all tickers starting with M →
$189 +6.89% today
52-week range · as of 2026-11-04 $134.74 – $447.62
Market cap
$11.96B
Volume
3.5M (2.5× avg)
3-mo avg 1.4M
Live data · 2026-11-06 12:03 UTC · Pre-market

show_chartPrice Chart

Loading chart...

feed MKSI - Latest Insights

MKSI
Nov 04, 2026, 4:49 PM EST
Source: Reuters
Importance Score:
7
Price at Filing: $209.90
Real-time Price: $189.00 info
Change: -$20.90 (-10%) info
Market Cap: $11.956B info
MKSI
Nov 04, 2026, 4:30 PM EST
Filing Type: 8-K
Importance Score:
8
Price at Filing: $202.88
Real-time Price: $189.00 info
Change: -$13.88 (-7%) info
Market Cap: $11.956B info
MKSI
Nov 04, 2026, 4:30 PM EST
Source: Dow Jones Newswires
Importance Score:
8
Price at Filing: $197.50
Real-time Price: $189.00 info
Change: -$8.50 (-4%) info
Market Cap: $11.956B info
MKSI
Nov 04, 2026, 4:30 PM EST
Source: GlobeNewswire
Importance Score:
7
Price at Filing: $197.05
Real-time Price: $189.00 info
Change: -$8.05 (-4%) info
Market Cap: $11.956B info
MKSI
Oct 19, 2026, 8:15 AM EDT
Source: Wiseek News
Importance Score:
8
Updated Oct 19, 8:17 AM ET — MKS's $650M all-cash sale of Ophir Optics to TTM is expected to close in Q2 2027, subject to regulatory approvals and governmental consents…
Price at Filing: $222.07
Real-time Price: $189.00 info
Change: -$33.07 (-15%) info
Market Cap: $11.956B info
MKSI
Aug 06, 2026, 3:30 PM EDT
Filing Type: 10-Q
Importance Score:
8
Price at Filing: $293.96
Real-time Price: $189.00 info
Change: -$104.95 (-36%) info
Market Cap: $11.956B info
MKSI
Aug 05, 2026, 5:01 PM EDT
Source: Reuters
Importance Score:
9
Price at Filing: $316.00
Real-time Price: $189.00 info
Change: -$127.00 (-40%) info
Market Cap: $11.956B info
MKSI
Aug 05, 2026, 4:31 PM EDT
Filing Type: 8-K
Importance Score:
9
Price at Filing: $317.00
Real-time Price: $189.00 info
Change: -$128.00 (-40%) info
Market Cap: $11.956B info
MKSI
Jun 25, 2026, 4:00 PM EDT
Source: GlobeNewswire
Importance Score:
7
Price at Filing: $410.35
Real-time Price: $189.00 info
Change: -$221.35 (-54%) info
Market Cap: $11.956B info
MKSI
Jun 22, 2026, 4:00 PM EDT
Source: GlobeNewswire
Importance Score:
7
Price at Filing: $420.56
Real-time Price: $189.00 info
Change: -$231.56 (-55%) info
Market Cap: $11.956B info
MKSI
May 12, 2026, 4:15 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $311.72
Real-time Price: $189.00 info
Change: -$122.72 (-39%) info
Market Cap: $11.956B info
MKSI
May 07, 2026, 3:30 PM EDT
Filing Type: 10-Q
Importance Score:
8
Price at Filing: $297.40
Real-time Price: $189.00 info
Change: -$108.40 (-36%) info
Market Cap: $11.956B info
MKSI
May 06, 2026, 4:52 PM EDT
Source: Reuters
Importance Score:
9
Price at Filing: $326.42
Real-time Price: $189.00 info
Change: -$137.42 (-42%) info
Market Cap: $11.956B info
MKSI
May 06, 2026, 4:31 PM EDT
Filing Type: 8-K
Importance Score:
9
Price at Filing: $324.00
Real-time Price: $189.00 info
Change: -$135.00 (-42%) info
Market Cap: $11.956B info
MKSI
Mar 31, 2026, 8:34 AM EDT
Filing Type: DEF 14A
Importance Score:
8
Price at Filing: $211.00
Real-time Price: $189.00 info
Change: -$22.00 (-10%) info
Market Cap: $11.956B info
MKSI
Mar 20, 2026, 4:05 PM EDT
Filing Type: PRE 14A
Importance Score:
7
Price at Filing: $227.13
Real-time Price: $189.00 info
Change: -$38.13 (-17%) info
Market Cap: $11.956B info
MKSI
Feb 24, 2026, 3:31 PM EST
Filing Type: 10-K
Importance Score:
8
Price at Filing: $252.23
Real-time Price: $189.00 info
Change: -$63.22 (-25%) info
Market Cap: $11.956B info
MKSI
Feb 17, 2026, 4:31 PM EST
Filing Type: 8-K
Importance Score:
8
Price at Filing: $227.01
Real-time Price: $189.00 info
Change: -$38.01 (-17%) info
Market Cap: $11.956B info
MKSI
Feb 05, 2026, 8:39 AM EST
Filing Type: 8-K
Importance Score:
9
Price at Filing: $212.61
Real-time Price: $189.00 info
Change: -$23.61 (-11%) info
Market Cap: $11.956B info
MKSI
Jan 28, 2026, 4:15 PM EST
Filing Type: 8-K
Importance Score:
8
Price at Filing: $236.05
Real-time Price: $189.00 info
Change: -$47.05 (-20%) info
Market Cap: $11.956B info
Research tools: Filing Impact Index Dilution Tracker Split Calendar Open Datasets