What is the current annual operating margin of MKSI?

As of today, MKSI annual operating margin is 14.37%

What is 1-year change in MKSI annual operating margin?

MKSI annual operating margin is up +0.63% year-over-year

What is 3-year change in MKSI annual operating margin?

MKSI annual operating margin is down -22.07% over the past 3 years

How far is MKSI annual operating margin from its all-time high?

MKSI annual operating margin is currently -42.82% below its historical high of 25.13% set on December 31, 2021

How does MKSI annual operating margin rank versus sector peers?

MKSI annual operating margin is higher than 78.91% of companies in Technology sector

When is MKSI next annual earnings release?

The next annual earnings release for MKSI is on February 16, 2027

What is the current quarterly operating margin of MKSI?

As of today, MKSI quarterly operating margin is 23.43%

What is MKSI quarterly operating margin most recent change?

MKSI quarterly operating margin was up +13.79% on September 30, 2026

What is 1-year change in MKSI quarterly operating margin?

MKSI quarterly operating margin is up +63.05% year-over-year

How far is MKSI quarterly operating margin from its all-time high?

MKSI quarterly operating margin is currently -12.54% below its historical high of 26.79% set on June 30, 2018

How does MKSI quarterly operating margin rank versus sector peers?

MKSI quarterly operating margin is higher than 86.22% of companies in Technology sector

When is MKSI next earnings release?

The next earnings release for MKSI is on February 16, 2027

MKS Inc. (MKSI) Operating Margin History & Chart Since 1997

Annual Operating Margin

14.37%0.09%+0.63%

December 31, 2025

Summary

Current Value: As of today, MKSI annual operating margin is 14.37%, up +0.63% on December 31, 2025
Historical Performance: MKSI annual operating margin is down -22.07% over the past 3 years, down -28.22% over the past 5 years
All-Time High Comparison: MKSI annual operating margin is currently -42.82% below its historical high of 25.13% set on December 31, 2021
3-Year Low Comparison: MKSI annual operating margin is +38.04% above its 3-year low of 10.41% reached on December 31, 2023
Sector Comparison: MKSI annual operating margin is higher than 78.91% of companies in Technology sector

Operating Margin Chart

beforeafter

Performance

MKSI Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Operating Margin	Dec 31, 25	14.37%	+0.6%	-22.1%	-28.2%	-37.4%
Quarterly Operating Margin	Sep 30, 26	23.43%	+63.0%	+85.1%	-6.6%	+7.2%
Price	Nov 6, 26	$192.27	+23.9%	+183.2%	+20.0%	+600.7%
PE Ratio	Nov 6, 26	22.79	-39.6%	–	+32.1%	+126.8%
Annual Revenue	Dec 31, 25	$3.93B	+9.6%	+10.8%	+68.7%	+360.8%
Annual Operating Profit	Dec 31, 25	$565.00M	+10.3%	-13.6%	+21.1%	+188.5%
Annual Gross Margin	Dec 31, 25	40.45%	-0.4%	+3.7%	-5.0%	-8.8%
Annual Net Margin	Dec 31, 25	7.50%	+41.5%	-20.1%	-50.1%	-51.9%

Operating Margin Highs

MKSI Annual Operating Margin Highs Comparison
Period	High	Date	Current
3Y	18.44%	N/A	-22.1%
5Y	25.13%	Dec 31, 21	-42.8%
All	25.13%	Dec 31, 21	-42.8%

Operating Margin Lows

MKSI Annual Operating Margin Lows Comparison
Period	Low	Date	Current
3Y	10.41%	Dec 31, 23	+38.0%
5Y	10.41%	Dec 31, 23	+38.0%
All	-10.14%	Dec 31, 02	+241.7%

Operating Margin History

Year	Value	Change
2025	14.37%	+0.6%
2024	14.28%	+37.2%
2023	10.41%	-43.5%
2022	18.44%	-26.6%
2021	25.13%	+25.5%
2020	20.02%	+44.7%
2019	13.84%	-43.2%
2018	24.36%	+9.6%
2017	22.22%	+50.2%
2016	14.79%	-23.2%
2015	19.25%	+8.6%
2014	17.73%	+98.1%
2013	8.95%	-30.9%
2012	12.96%	-43.6%
2011	22.97%	+0.1%

Year	Value	Change
2010	22.95%	+476.2%
2009	-6.10%	-192.1%
2008	6.62%	-51.7%
2007	13.70%	-13.1%
2006	15.76%	+113.3%
2005	7.39%	-32.0%
2004	10.87%	+359.4%
2003	-4.19%	+58.7%
2002	-10.14%	-71.3%
2001	-5.92%	-126.7%
2000	22.17%	+50.2%
1999	14.76%	+125.7%
1998	6.54%	-48.7%
1997	12.74%	-

FAQ

What is the current annual operating margin of MKSI?: As of today, MKSI annual operating margin is 14.37%
What is 1-year change in MKSI annual operating margin?: MKSI annual operating margin is up +0.63% year-over-year
What is 3-year change in MKSI annual operating margin?: MKSI annual operating margin is down -22.07% over the past 3 years
How far is MKSI annual operating margin from its all-time high?: MKSI annual operating margin is currently -42.82% below its historical high of 25.13% set on December 31, 2021
How does MKSI annual operating margin rank versus sector peers?: MKSI annual operating margin is higher than 78.91% of companies in Technology sector
When is MKSI next annual earnings release?: The next annual earnings release for MKSI is on February 16, 2027

Operating Margin Formula

Operating Profit Margin = Operating Income

Revenue × 100%

Quarterly Operating Margin

23.43%2.84%+13.79%

September 30, 2026

Summary

Current Value: As of today, MKSI quarterly operating margin is 23.43%, up +13.79% on September 30, 2026
Historical Performance: MKSI quarterly operating margin is up +63.05% year-over-year, up +85.07% over the past 3 years
All-Time High Comparison: MKSI quarterly operating margin is currently -12.54% below its historical high of 26.79% set on June 30, 2018
3-Year Low Comparison: MKSI quarterly operating margin is +93.80% above its 3-year low of 12.09% reached on December 31, 2023
Sector Comparison: MKSI quarterly operating margin is higher than 86.22% of companies in Technology sector

Performance

MKSI Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Operating Margin	Sep 30, 26	23.43%	+13.8%	+63.0%	+85.1%	-6.6%
Annual Operating Margin	Dec 31, 25	14.37%	–	+0.6%	-22.1%	-28.2%
Price	Nov 6, 26	$192.27	-34.0%	+23.9%	+183.2%	+20.0%
PE Ratio	Nov 6, 26	22.79	-50.9%	-39.6%	–	+32.1%
Quarterly Revenue	Sep 30, 26	$1.41B	+13.2%	+43.0%	+51.6%	+90.5%
Quarterly Operating Profit	Sep 30, 26	$331.00M	+28.8%	+133.1%	+180.5%	+77.9%
Quarterly Gross Margin	Sep 30, 26	43.31%	+1.4%	+7.5%	+13.4%	-3.7%
Quarterly Net Margin	Sep 30, 26	16.70%	+19.1%	+123.0%	+299.5%	-6.4%

Quarterly Operating Margin Highs

MKSI Quarterly Operating Margin Highs Comparison
Period	High	Date	Current
1Y	23.43%	Sep 30, 26	at high
3Y	23.43%	Sep 30, 26	at high
5Y	25.08%	N/A	-6.6%
All	26.79%	Jun 30, 18	-12.5%

Quarterly Operating Margin Lows

MKSI Quarterly Operating Margin Lows Comparison
Period	Low	Date	Current
1Y	14.37%	N/A	+63.0%
3Y	12.09%	Dec 31, 23	+93.8%
5Y	1.13%	Mar 31, 23	+1973.5%
All	-80.42%	Dec 31, 01	+129.1%

Quarterly Operating Margin History

Month	Value	Change
Sep 2026	23.43%	+13.8%
Jun 2026	20.59%	+28.3%
Mar 2026	16.05%	+7.0%
Dec 2025	15.00%	+4.4%
Sep 2025	14.37%	-1.5%
Jun 2025	14.59%	+4.2%
Mar 2025	14.00%	-5.1%
Dec 2024	14.76%	+4.2%
Sep 2024	14.17%	-5.5%
Jun 2024	14.99%	+15.1%
Mar 2024	13.02%	+7.7%
Dec 2023	12.09%	-4.5%
Sep 2023	12.66%	-14.2%
Jun 2023	14.76%	+1,206.2%
Mar 2023	1.13%	-92.6%
Dec 2022	15.30%	-2.0%
Sep 2022	15.62%	-28.0%
Jun 2022	21.70%	-7.5%
Mar 2022	23.45%	-6.4%
Dec 2021	25.06%	-0.1%
Sep 2021	25.08%	-3.9%
Jun 2021	26.10%	+7.7%
Mar 2021	24.23%	+6.7%
Dec 2020	22.71%	+12.0%
Sep 2020	20.28%	+7.7%
Jun 2020	18.83%	+8.5%
Mar 2020	17.36%	+18.2%
Dec 2019	14.69%	+9.0%
Sep 2019	13.48%	-5.0%
Jun 2019	14.19%	+9.6%
Mar 2019	12.95%	-38.5%
Dec 2018	21.06%	-13.2%
Sep 2018	24.25%	-9.5%
Jun 2018	26.79%	+8.9%
Mar 2018	24.61%	+2.5%
Dec 2017	24.00%	+2.0%
Sep 2017	23.54%	+9.2%
Jun 2017	21.55%	+8.8%
Mar 2017	19.80%	+12.8%
Dec 2016	17.56%	+22.2%
Sep 2016	14.37%	+65.9%
Jun 2016	8.66%	-36.2%
Mar 2016	13.57%	+3.0%
Dec 2015	13.17%	-32.7%
Sep 2015	19.56%	-6.6%
Jun 2015	20.94%	-3.8%
Mar 2015	21.76%	+13.9%
Dec 2014	19.11%	+19.8%
Sep 2014	15.95%	-5.6%
Jun 2014	16.90%	-10.0%
Mar 2014	18.77%	+23.6%
Dec 2013	15.19%	+84.8%
Sep 2013	8.22%	+46.8%
Jun 2013	5.60%	+91.1%
Mar 2013	2.93%	-49.5%
Dec 2012	5.80%	-40.8%

Month	Value	Change
Sep 2012	9.79%	-37.5%
Jun 2012	15.66%	-11.8%
Mar 2012	17.75%	-2.2%
Dec 2011	18.15%	-16.9%
Sep 2011	21.85%	-14.4%
Jun 2011	25.53%	+4.8%
Mar 2011	24.37%	+10.3%
Dec 2010	22.10%	-11.0%
Sep 2010	24.82%	+9.6%
Jun 2010	22.64%	+6.8%
Mar 2010	21.19%	+55.4%
Dec 2009	13.64%	+588.9%
Sep 2009	1.98%	+111.5%
Jun 2009	-17.28%	+62.1%
Mar 2009	-45.61%	-700.2%
Dec 2008	-5.70%	-212.2%
Sep 2008	5.08%	-32.7%
Jun 2008	7.55%	-47.5%
Mar 2008	14.39%	+22.3%
Dec 2007	11.77%	-7.6%
Sep 2007	12.74%	-6.0%
Jun 2007	13.55%	-20.2%
Mar 2007	16.97%	+10.8%
Dec 2006	15.31%	-11.7%
Sep 2006	17.33%	-0.2%
Jun 2006	17.37%	+37.2%
Mar 2006	12.66%	+39.3%
Dec 2005	9.09%	+35.1%
Sep 2005	6.73%	-15.5%
Jun 2005	7.96%	+39.4%
Mar 2005	5.71%	-18.2%
Dec 2004	6.98%	-39.3%
Sep 2004	11.49%	-14.7%
Jun 2004	13.47%	+11.6%
Mar 2004	12.07%	+261.4%
Dec 2003	3.34%	+154.3%
Sep 2003	-6.15%	+1.8%
Jun 2003	-6.26%	+38.6%
Mar 2003	-10.20%	+26.9%
Dec 2002	-13.95%	-154.6%
Sep 2002	-5.48%	+34.5%
Jun 2002	-8.37%	+46.1%
Mar 2002	-15.53%	+80.7%
Dec 2001	-80.42%	-212.3%
Sep 2001	-25.75%	-373.3%
Jun 2001	-5.44%	-156.1%
Mar 2001	9.69%	-54.1%
Dec 2000	21.10%	-6.3%
Sep 2000	22.51%	-2.1%
Jun 2000	23.00%	+3.1%
Mar 2000	22.30%	+19.3%
Dec 1999	18.70%	+18.4%
Sep 1999	15.80%	+18.3%
Jun 1999	13.36%	+43.0%
Mar 1999	9.34%	-

FAQ

What is the current quarterly operating margin of MKSI?: As of today, MKSI quarterly operating margin is 23.43%
What is MKSI quarterly operating margin most recent change?: MKSI quarterly operating margin was up +13.79% on September 30, 2026
What is 1-year change in MKSI quarterly operating margin?: MKSI quarterly operating margin is up +63.05% year-over-year
How far is MKSI quarterly operating margin from its all-time high?: MKSI quarterly operating margin is currently -12.54% below its historical high of 26.79% set on June 30, 2018
How does MKSI quarterly operating margin rank versus sector peers?: MKSI quarterly operating margin is higher than 86.22% of companies in Technology sector
When is MKSI next earnings release?: The next earnings release for MKSI is on February 16, 2027

Operating Margin Formula

Operating Profit Margin = Operating Income

Revenue × 100%

Data Sources & References

MKSI Official Website www.mks.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1049502/000119312526066820/0001193125-26-066820-index.htm
MKSI Profile on Yahoo Finance finance.yahoo.com/quote/MKSI
MKSI Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/mksi