What is the 13F Pro Quality Score for MKSI?

13F Pro ranks MKS INC (MKSI) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View MKSI's current score at https://13fpro.ai/research/MKSI (free sign-up required for the full ranking).

Which hedge funds own the most MKSI stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of MKSI include BlackRock,, Invesco Ltd., VANGUARD PORTFOLIO MANAGEMENT. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/MKSI as soon as new 13F filings post.

Where does 13F Pro source MKSI data?

All MKS INC fundamentals and ownership data come directly from SEC EDGAR. MKS INC files with the SEC under CIK 1049502. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is MKSI in?

MKS INC (MKSI) is classified in the Technology sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/technology.

How often is MKSI research updated on 13F Pro?

MKSI's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

MKS INC(MKSI)Stock Analysis

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13F Pro Quality Score

59.8/100

Rank #897 of 2,879 stocksTOP 50%

View Technology peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

51.5/100

Profitability

66.9/100

Balance Sheet

58.6/100

Earnings Quality

30.0/100

Free Cash Flow

65.3/100

Institutional Flow

48.6/100

Revenue Scale

74.4/100

Dilution Risk

48.7/100

MKSI Stock Analysis & AI Quality Score

AI stock analysis and institutional research for MKS INC (MKSI), a Technology sector company. 13F Pro's AI-powered ranking engine scores MKSI at 59.8/100 on a 32-signal composite quality model, placing it at rank #897 of 2,879 stocks — the top half of the AI-ranked universe. Areas of concern include earnings quality (30.0), which score below median versus the broader universe. Shareholder dilution risk is elevated at 48.7/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q1 2026), MKS INC reports quarterly revenue of $1.1B, net income of $84.0M, an operating margin of 13.8%. Top institutional holders of MKSI by reported 13-F value include BlackRock,, Invesco Ltd., VANGUARD PORTFOLIO MANAGEMENT, based on the most recent SEC filings. MKSI trades on the Nasdaq exchange and files with the SEC under CIK 1049502. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate MKSI daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for MKS INC directly from SEC EDGAR. MKS INC's 13F Pro composite quality score has ranged between 8 and 78 since 2021, currently 59.8 — a declining long-term trajectory across 56 quarterly and live scoring snapshots.

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Fun facts about MKS INC

Quirks, history, and lore behind MKSI — the kind of stuff that makes a stock memorable.

1
The Basics
U.S. technology company · mid-cap · listed on Nasdaq · headquartered in Massachusetts.
2
The Numbers
Annual revenue in the range of roughly $3 billion, built largely through acquisitions over the years — organic growth is only part of the story.
3
The History
Founded in the 1970s, it grew from a niche instruments and controls supplier into a much broader platform serving the semiconductor manufacturing industry.
4
The Secret
Its products keep chip fabs running — think gas delivery systems, lasers, plasma sources, and power supplies — the unglamorous plumbing that makes every wafer possible.
5
The Lore
Its 2022 acquisition of Atotech for roughly $6 billion dramatically expanded its reach into advanced electronics plating chemistry — a bold bet on the printed circuit board world.
6
The Giveaway
Ticker MKSI, full name is three letters plus 'Instruments' — a behind-the-scenes giant supplying the critical subsystems that keep the world's semiconductor fabs lit up.

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Revenue

Q1 2026

$1.1B

Net Income

Q1 2026

$84.0M

Free Cash Flow

Q1 2026

$28.0M

Operating Margin

Q1 2026

13.8%

ROIC

Q1 2026

2.7%

D/E Ratio

Q1 2026

1.44

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+9.6% YoY

$3.93BFY 2025

FY22 $3.55BFY23 $3.62BFY24 $3.59BFY25 $3.93B

Net Income

+55.3% YoY

$295.0MFY 2025

FY22 $333.0MFY23 $-1.84BFY24 $190.0MFY25 $295.0M

Operating Income

+6.0% YoY

$528.0MFY 2025

FY22 $617.0MFY23 $-1.55BFY24 $498.0MFY25 $528.0M

EPS (Diluted)

+55.5% YoY

$4.37FY 2025

FY22 $5.56FY23 $-27.54FY24 $2.81FY25 $4.37

Total Assets

+2.4% YoY

$8.80BFY 2025

FY22 $11.49BFY23 $9.12BFY24 $8.59BFY25 $8.80B

Total Debt

-7.4% YoY

$4.20BFY 2025

FY22 $5.21BFY23 $5.05BFY24 $4.54BFY25 $4.20B

Op. Cash Flow

+22.2% YoY

$645.0MFY 2025

FY22 $529.0MFY23 $319.0MFY24 $528.0MFY25 $645.0M

Metric	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020
Revenue	$3.93B +9.6%	$3.59B -1.0%	$3.62B +2.1%	$3.55B +20.2%	$2.95B +26.6%	$2.33B
Net Income	$295.0M +55.3%	$190.0M +110.3%	$-1.84B -652.9%	$333.0M -39.6%	$551.0M +57.4%	$350.0M
Operating Income	$528.0M +6.0%	$498.0M +132.0%	$-1.55B -351.9%	$617.0M -11.7%	$699.0M +54.0%	$454.0M
EPS (Diluted)	$4.37 +55.5%	$2.81 +110.2%	$-27.54 -595.3%	$5.56 -43.8%	$9.90 +56.4%	$6.33
Total Assets	$8.80B +2.4%	$8.59B -5.8%	$9.12B -20.7%	$11.49B +153.2%	$4.54B +16.3%	$3.90B
Total Debt	$4.20B -7.4%	$4.54B -10.1%	$5.05B -3.2%	$5.21B +525.3%	$834.0M +0.5%	$829.5M
Operating Cash Flow	$645.0M +22.2%	$528.0M +65.5%	$319.0M -39.7%	$529.0M -17.3%	$640.0M +24.8%	$513.0M

AI Insight: MKSI Financial Trends

Revenue grew 21% over two years while debt fell 17%, but Q1 2026 operating cash flow collapsed to $53M from $142M in Q4 2025.

• Revenue expanded from $887M (Q2 2024) to $1,078M (Q1 2026), a 21% increase over eight quarters.

• Operating income grew steadily: $127M (Q2 2024) to $149M (Q1 2026), with margins holding 13–14%.

• Total debt decreased from $4,882M to $4,048M; equity rose from $2,233M to $2,811M, improving capital structure.

⚠ Operating cash flow plummeted 63% Q/Q to $53M in Q1 2026, the lowest in two years despite revenue at record high.

⚠ Net income declined 21% Q/Q in Q1 2026 to $84M; operating margin also compressed to 13.8% from 13.9% prior quarter.

AI Insight: MKSI Ratio Trends

MKSI delivered consistent deleveraging over 8 quarters, reducing D/E from 2.19 to 1.44 while maintaining steady operating margins around 14%.

• Debt-to-equity ratio improved dramatically from 2.19 in Q2 2024 to 1.44 in Q1 2026, reflecting strong balance sheet strengthening.

• Operating margin remained relatively stable, fluctuating between 11.9% and 14.6% across quarters with latest at 13.8%.

• ROIC expanded from 7.1% in Q2 2024 to 8.7% in Q1 2026, showing improved capital efficiency.

⚠ Operating margin dipped to 11.9% in Q1 2025, the lowest point in the period, before recovering.

⚠ Net profit margin volatility persisted, ranging from 2.5% to 10.4% across quarters despite stable operating performance.

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Available Research

13F Pro tracks comprehensive data for MKS INC including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of MKSI

BlackRock, Inc.
$1.5B6,641,730 sh
Invesco Ltd.
$855.2M3,721,459 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$847.0M3,685,493 sh
VANGUARD CAPITAL MANAGEMENT LLC
$692.7M3,014,201 sh
STATE STREET CORP
$472.9M2,057,732 sh
Capital International Investors
$452.4M1,968,770 sh
FMR LLC
$444.4M1,933,843 sh
WELLINGTON MANAGEMENT GROUP LLP
$421.3M1,833,137 sh
Point72 Asset Management, L.P.
$370.1M1,610,331 sh
GEODE CAPITAL MANAGEMENT, LLC
$353.8M1,539,319 sh

Fund	Value	Shares
BlackRock, Inc.	$1.5B	6,641,730
Invesco Ltd.	$855.2M	3,721,459
VANGUARD PORTFOLIO MANAGEMENT LLC	$847.0M	3,685,493
VANGUARD CAPITAL MANAGEMENT LLC	$692.7M	3,014,201
STATE STREET CORP	$472.9M	2,057,732
Capital International Investors	$452.4M	1,968,770
FMR LLC	$444.4M	1,933,843
WELLINGTON MANAGEMENT GROUP LLP	$421.3M	1,833,137
Point72 Asset Management, L.P.	$370.1M	1,610,331
GEODE CAPITAL MANAGEMENT, LLC	$353.8M	1,539,319

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Is MKSI a good stock to buy?

13F Pro's AI-powered analysis of MKS INC (MKSI) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Technology sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for MKSI are available on the MKSI stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own MKSI?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling MKSI. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of MKS INC's investment landscape.