Companies: 10,795·Total market cap: $144.5T
MKS Inc.

MKS Inc.

MKSINASDAQTechnology● Active
$301.65
$-28.58(-8.65%)
Market Cap$20.4B
P/E Ratio
52W High$341.81
52W Low$86.05

MKS Inc. (MKSI) Shares Outstanding — Overview

Basic and diluted weighted average shares, YoY change, float context, and historical trend from SEC filings and FMP.

MKSI · shares outstanding · updated Jun 8, 2026

Key metrics

Basic Shares Outstanding · Weighted average · fiscal year
67.3M +0.00% YoY Change
FY · as of Dec 31, 2025 · Reported in USD
vs 67.3M in FY 2024
Diluted Shares Outstanding
67.7M
incl. options, RSUs, convertibles
Dilution Spread
+0.59%
Diluted vs Basic
YoY Change
+0.00%
year-over-year
Float (Free Float)
67.1M
publicly tradable shares
99.4% of total
Source: FMP /income-statement · /shares-float · SEC 10-K / 10-QUpdated: 2026-06-08

Shares Outstanding Growth Rate

3-Year CAGRincreasing
+4.1%
2022 → 2025
5-Year CAGRincreasing
+4.1%
2020 → 2025
10-Year CAGRincreasing
+2.4%
2015 → 2025

Negative CAGR typically indicates share buyback or retirement activity. Interpret alongside Splits and Financials tabs. Splits / Financials

Shares outstanding history

↓ Decrease — typically buyback / retirement
↑ Increase — issuance / equity compensation
Latest
* most recent reported · FMP /income-statement · weightedAverageShsOut

Annual shares outstanding by year

FY 2025Latest
Diluted Shares: 67.7M
67.3M
+0.00%
FY 2024
Diluted Shares: 67.6M
67.3M
+0.75%
FY 2023
Diluted Shares: 66.8M
66.8M
+11.89%
FY 2022
Diluted Shares: 59.9M
59.7M
+7.76%
FY 2021
Diluted Shares: 55.7M
55.4M
+0.55%
FMP /income-statement · weightedAverageShsOut · weightedAverageShsOutDilUnit: Billions (B)

Technology sector shares outstanding comparison

Shares Outstanding for similar companies or competitors in the Technology sector.

#SymbolCompanyShares (Basic)vs MKSI
#1
NVIDIA CorporationNVDA
NVIDIA Corporation
24.359B+>999%
#2
Apple Inc.AAPL
Apple Inc.
14.948B+>999%
#3
Microsoft CorporationMSFT
Microsoft Corporation
7.433B+>999%
#4
Taiwan Semiconductor Manufacturing Company LimitedTSM
Taiwan Semiconductor Manufacturing Company Limited
5.186B+>999%
#5
Broadcom Inc.AVGO
Broadcom Inc.
4.712B+>999%
#6
Micron Technology, Inc.MU
Micron Technology, Inc.
1.116B+>999%
#7
MKS Inc.MKSI
MKS Inc.YOU
67.3M

/company-screener · per-peer /income-statement · cache 86400s

Understanding Shares Outstanding

What Are Shares Outstanding? (Basic)

MKS Inc. (MKSI) shares outstanding is the total number of issued shares held by shareholders — the basis for Basic EPS and market capitalization. As of December 31, 2025, MKS Inc. reports 67.3M basic shares outstanding (weighted average).

Basic vs. Diluted Shares Outstanding

MKS Inc.'s basic shares outstanding (67.3M) represents currently issued shares. Diluted shares outstanding (67.7M) also includes potential shares from stock options, RSUs, and convertibles. Dilution spread: +0.59%.

Shares Outstanding vs. Float (Free Float)

MKS Inc.'s float is 67.1M (99.4% of total shares outstanding) — shares freely available for public trading, excluding insider-held and restricted shares.

Float67.1M(99.4%)
Outstanding67.5M

Float data from /shares-float reflects the most recent SEC filing period-end. The weighted average shares (from /income-statement) may differ — this is a normal reporting window difference, not a data error.

FMP /income-statement · /shares-float · SEC EDGAR · USD

About shares outstanding & methodology

MKS Inc. (MKSI) shares outstanding history from 2006 to 2025. Shares outstanding can be defined as the total number of shares held by all shareholders — including institutional investors, retail investors, and company insiders — assuming conversion of all convertible debt, securities, warrants, and options. This metric excludes the company's treasury shares.

MKS Inc. shares outstanding for the fiscal year ending December 31, 2025 were 67.3M, a 0.00% increase year-over-year. MKS Inc. FY 2025 shares outstanding were 67.3M, a +0.00% increase from FY 2024.

MKS Inc. is a leading company operating in the Technology sector. The company's share count trajectory — with a 10-year CAGR of +2.4% — is a key signal for investors evaluating capital return policy, EPS accretion, and long-term shareholder value creation.

Figures tie to SEC 10-K/10-Q income statement disclosures and FMP /income-statement · /shares-float where noted.

Frequently asked questions

MKSI shares outstanding · 4 questions

As of December 31, 2025, MKS Inc. (MKSI) has approximately 67.3M basic shares outstanding and 67.7M diluted shares outstanding. This represents a +0.00% year-over-year increase from FY 2024 (67.3M). The increase may reflect equity compensation issuances or secondary offerings.

MKSI shares outstandinghow many shares does MKSI haveMKSI basic shares 2025MKSI diluted shares

Data: FMP /income-statement · /shares-float · SEC EDGAR · weighted average basis · MKS Inc. SEC 10-K & 10-Q filings · US GAAP · Last updated: 2026-06-08