Latest revenue
$1.08B
as of 2026-03-31
Latest net income
$84.0M
as of 2026-03-31
Net margin
7.8%
as of 2026-03-31
Price · 5Y
Live market
delayed ≤15 min- Market cap
- $21.66B
- Enterprise value
- $21.66B
- P/E (trailing)
- 73.4×
- Forward P/E
- —
- P/B
- —
- Dividend yield
- 0.3%
- 52-wk high
- $326.83
- 52-wk low
- $80.22
- Beta
- —
- Shares out
- 67.5M
5-year trend
What this company does
Item 1. Business MKS Inc., formerly known as MKS Instruments, Inc. (“MKS,” the “Company,” “our,” or “we”), was founded in 1961 as a Massachusetts corporation. We enable technologies that transform our world. We deliver foundational technology solutions to leading edge semiconductor manufacturing, electronics and packaging, and specialty industrial applications. We apply our broad science and engineering capabilities to create instruments, subsystems, systems, process control solutions and specialty chemicals technology that improve process performance, optimize productivity and enable unique innovations for many of the world’s leading technology and industrial companies. Our solutions are…
AI summary unavailable — showing raw filing excerpt
Generated from MKSI's filing dated 2026-02-24
Key risks
Item 1A. Risk Factors This section describes certain risks we face in our business. Additional risks that we do not yet know of or that we currently believe are immaterial may also impair our business. If any of the events or circumstances described in this section actually occurs, our business, financial condition or operating results could suffer, and the market price of our common stock could decline. In assessing these risks, investors should also refer to the other information contained in or incorporated by reference into this report and our other filings with the Securities and Exchange Commission (“SEC”). Strategic Transaction Risks As part of our business strategy, we have…
AI summary unavailable — showing raw filing excerpt
Generated from MKSI's filing dated 2026-02-24
Profitability
Gross margin
46.7%
1.9%Operating margin
13.4%
3.3%Net margin
7.5%
41.6%Return on equity
10.8%
32.6%Return on assets
3.4%
51.6%Leverage
Debt / equity
2.24×
17.2%Long-term debt / equity
1.53×
21.0%Debt / assets
69.1%
5.3%Earnings tracker
| Quarter | Revenue | YoY | Net income | YoY | Net margin |
|---|---|---|---|---|---|
Q1 2026 2026-03-31 | $1.08B | +15.2% | $84.0M | +61.5% | 7.8% |
Q4 2025 2025-12-31 | $1.03B | +10.6% | $107.0M | +18.9% | 10.3% |
Q3 2025 2025-09-30 | $988.0M | +10.3% | $74.0M | +19.4% | 7.5% |
Q2 2025 2025-06-30 | $973.0M | +9.7% | $62.0M | +169.6% | 6.4% |
Q1 2025 2025-03-31 | $936.0M | +7.8% | $52.0M | +246.7% | 5.6% |
Q4 2024 2024-12-31 | $935.0M | — | $90.0M | — | 9.6% |
Q3 2024 2024-09-30 | $896.0M | -3.9% | $62.0M | +59.0% | 6.9% |
Q2 2024 2024-06-30 | $887.0M | -11.6% | $23.0M | +101.3% | 2.6% |
Year-over-year change vs the same fiscal quarter one year prior. Revenue + net income sourced from SEC 10-Q / 10-K filings — no analyst-consensus dependency.
Industry trend
Industrial Instruments For Measurement, Display, and Control · SIC 3823
Your notes
Keep private notes on MKSI — thesis, target price, catalysts to watch.
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Insider activity
Insider buying
$0
Insider selling
$23.1M
Net activity
−$23.1M
Distinct insiders
11
Open-market trades over the last 365 days.
Recent transactions
Source: SEC Form 4 filings. Officers, directors, and 10%+ owners must disclose share transactions within two business days. RSU grants and tax-withholding rows are excluded by default — compensation activity is not a trading signal.
Who owns MKSI
Institutional value
$7.87B
Total shares held
36.1M
Distinct holders
391
As of
2026-03-31
Filers with $100M+ AUM disclose holdings 45 days after quarter end.
Top institutional holders
| # | Manager | Shares | Value | QoQ change | Action |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 6.6M | $1.53B | — | New |
| 2 | Invesco Ltd. | 3.7M | $855.2M | — | New |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.7M | $847.0M | — | New |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 3.0M | $692.7M | — | New |
| 5 | Capital International Investors | 2.0M | $452.4M | — | New |
| 6 | JPMORGAN CHASE & CO | 2.1M | $441.2M | — | New |
| 7 | Capital World Investors | 1.3M | $293.5M | — | New |
| 8 | WESTFIELD CAPITAL MANAGEMENT CO LP | 1.0M | $240.6M | — | New |
| 9 | DIMENSIONAL FUND ADVISORS LP | 835.3K | $191.9M | — | New |
| 10 | Bank of New York Mellon Corp | 832.1K | $191.2M | — | New |
| 11 | PRINCIPAL FINANCIAL GROUP INC | 614.2K | $141.2M | — | New |
| 12 | FRANKLIN RESOURCES INC | 475.9K | $109.4M | — | New |
| 13 | UBS Group AG | 432.1K | $99.3M | — | New |
| 14 | VANGUARD FIDUCIARY TRUST CO | 417.1K | $95.9M | — | New |
| 15 | ROYCE & ASSOCIATES LP | 403.7K | $92.8M | — | New |
| 16 | Nuveen, LLC | 378.2K | $86.9M | — | New |
| 17 | Madison Asset Management, LLC | 338.3K | $77.8M | — | New |
| 18 | NORDEA INVESTMENT MANAGEMENT AB | 326.3K | $71.5M | — | New |
| 19 | TimesSquare Capital Management, LLC | 288.2K | $66.2M | — | New |
| 20 | JANE STREET GROUP, LLC | 243.3K | $55.9M | — | New |
Source: SEC Form 13F-HR. Positions aggregated across sub-managers within each firm. Options (puts/calls) excluded — common stock only.
Top questions investors are asking
Coming once MKSI's latest filing finishes processing.