What is the current annual book value of MKSI?

As of today, MKSI annual book value is $2.72B

What is 1-year change in MKSI annual book value?

MKSI annual book value is up +17.10% year-over-year

What is 3-year change in MKSI annual book value?

MKSI annual book value is down -39.35% over the past 3 years

How far is MKSI annual book value from its all-time high?

MKSI annual book value is currently -39.35% below its historical high of $4.48B set on December 31, 2022

How does MKSI annual book value rank versus sector peers?

MKSI annual book value is higher than 84.69% 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 book value of MKSI?

As of today, MKSI quarterly book value is $3.29B

What is MKSI quarterly book value most recent change?

MKSI quarterly book value was up +9.97% on September 30, 2026

What is 1-year change in MKSI quarterly book value?

MKSI quarterly book value is up +26.38% year-over-year

How far is MKSI quarterly book value from its all-time high?

MKSI quarterly book value is currently -26.70% below its historical high of $4.48B set on December 31, 2022

How does MKSI quarterly book value rank versus sector peers?

MKSI quarterly book value is higher than 85.82% 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) Book Value History & Chart Since 1997

Annual Book Value

$2.72B$397.00M+17.10%

December 31, 2025

Summary

Current Value: As of today, MKSI annual book value is $2.72B, up +17.10% on December 31, 2025
Historical Performance: MKSI annual book value is down -39.35% over the past 3 years, up +15.17% over the past 5 years
All-Time High Comparison: MKSI annual book value is currently -39.35% below its historical high of $4.48B set on December 31, 2022
3-Year Low Comparison: MKSI annual book value is +17.10% above its 3-year low of $2.32B reached on December 31, 2024
Sector Comparison: MKSI annual book value is higher than 84.69% of companies in Technology sector

Book Value Chart

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Performance

MKSI Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Book Value	Dec 31, 25	$2.72B	+17.1%	-39.4%	+15.2%	+221.0%
Quarterly Book Value	Sep 30, 26	$3.29B	+26.4%	+32.7%	+20.4%	+237.8%
Price	Nov 6, 26	$192.27	+23.9%	+183.2%	+20.0%	+600.7%
	Dec 31, 25	$8.80B	+2.4%	-23.5%	+125.3%	+809.3%
	Dec 31, 25	$6.08B	-3.0%	-13.3%	+293.9%	+4951.6%
	Nov 6, 26	3.96	-1.3%	+116.4%	+21.5%	+167.6%
	Dec 31, 25	$2.72B	+17.1%	-39.4%	+15.2%	+221.0%
Market Cap	Nov 6, 26	$13B	+24.6%	+186.3%	+46.2%	+803.4%

Book Value Highs

MKSI Annual Book Value Highs Comparison
Period	High	Date	Current
3Y	$4.48B	N/A	-39.4%
5Y	$4.48B	Dec 31, 22	-39.4%
All	$4.48B	Dec 31, 22	-39.4%

Book Value Lows

MKSI Annual Book Value Lows Comparison
Period	Low	Date	Current
3Y	$2.32B	Dec 31, 24	+17.1%
5Y	$2.32B	Dec 31, 24	+17.1%
All	$52.85M	Dec 1, 97	+5044.9%

Book Value History

Year	Value	Change
2025	$2.72B	+17.1%
2024	$2.32B	-6.1%
2023	$2.47B	-44.9%
2022	$4.48B	+55.3%
2021	$2.89B	+22.3%
2020	$2.36B	+16.7%
2019	$2.02B	+8.0%
2018	$1.87B	+17.9%
2017	$1.59B	+28.0%
2016	$1.24B	+7.0%
2015	$1.16B	+7.3%
2014	$1.08B	+5.9%
2013	$1.02B	+0.9%
2012	$1.01B	+2.2%
2011	$990.01M	+16.9%

Year	Value	Change
2010	$847.04M	+23.7%
2009	$684.93M	-22.8%
2008	$886.70M	-7.1%
2007	$954.01M	+5.9%
2006	$901.22M	+18.1%
2005	$762.84M	+5.0%
2004	$726.63M	+19.5%
2003	$608.31M	-0.4%
2002	$610.69M	+73.1%
2001	$352.87M	+77.4%
2000	$198.94M	+65.7%
1999	$120.03M	+118.9%
1998	$54.83M	+3.7%
1997	$52.85M	-

FAQ

What is the current annual book value of MKSI?: As of today, MKSI annual book value is $2.72B
What is 1-year change in MKSI annual book value?: MKSI annual book value is up +17.10% year-over-year
What is 3-year change in MKSI annual book value?: MKSI annual book value is down -39.35% over the past 3 years
How far is MKSI annual book value from its all-time high?: MKSI annual book value is currently -39.35% below its historical high of $4.48B set on December 31, 2022
How does MKSI annual book value rank versus sector peers?: MKSI annual book value is higher than 84.69% of companies in Technology sector
When is MKSI next annual earnings release?: The next annual earnings release for MKSI is on February 16, 2027

Book Value Formula

Book Value = −

Quarterly Book Value

$3.29B$298.00M+9.97%

September 30, 2026

Summary

Current Value: As of today, MKSI quarterly book value is $3.29B, up +9.97% on September 30, 2026
Historical Performance: MKSI quarterly book value is up +26.38% year-over-year, up +32.71% over the past 3 years
All-Time High Comparison: MKSI quarterly book value is currently -26.70% below its historical high of $4.48B set on December 31, 2022
3-Year Low Comparison: MKSI quarterly book value is +47.16% above its 3-year low of $2.23B reached on June 30, 2024
Sector Comparison: MKSI quarterly book value is higher than 85.82% of companies in Technology sector

Performance

MKSI Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Book Value	Sep 30, 26	$3.29B	+10.0%	+26.4%	+32.7%	+20.4%
Annual Book Value	Dec 31, 25	$2.72B	–	+17.1%	-39.4%	+15.2%
Price	Nov 6, 26	$192.27	-34.0%	+23.9%	+183.2%	+20.0%
	Sep 30, 26	$9.23B	+3.3%	+5.2%	+1.0%	+111.5%
	Sep 30, 26	$5.95B	-0.1%	-3.7%	-10.8%	+263.2%
	Nov 6, 26	3.96	-39.9%	-1.3%	+116.4%	+21.5%
	Sep 30, 26	$3.29B	+10.0%	+26.4%	+32.7%	+20.4%
Market Cap	Nov 6, 26	$13B	-33.9%	+24.6%	+186.3%	+46.2%

Quarterly Book Value Highs

MKSI Quarterly Book Value Highs Comparison
Period	High	Date	Current
1Y	$3.29B	Sep 30, 26	at high
3Y	$3.29B	Sep 30, 26	at high
5Y	$4.48B	Dec 31, 22	-26.7%
All	$4.48B	Dec 31, 22	-26.7%

Quarterly Book Value Lows

MKSI Quarterly Book Value Lows Comparison
Period	Low	Date	Current
1Y	$2.60B	N/A	+26.4%
3Y	$2.23B	Jun 30, 24	+47.2%
5Y	$2.23B	Jun 30, 24	+47.2%
All	$57.51M	Mar 31, 99	+5614.1%

Quarterly Book Value History

Month	Value	Change
Sep 2026	$3.29B	+10.0%
Jun 2026	$2.99B	+6.3%
Mar 2026	$2.81B	+3.4%
Dec 2025	$2.72B	+4.6%
Sep 2025	$2.60B	+1.8%
Jun 2025	$2.55B	+8.5%
Mar 2025	$2.35B	+1.4%
Dec 2024	$2.32B	-3.2%
Sep 2024	$2.40B	+7.4%
Jun 2024	$2.23B	-7.9%
Mar 2024	$2.42B	-1.9%
Dec 2023	$2.47B	-0.2%
Sep 2023	$2.48B	-0.8%
Jun 2023	$2.50B	-43.9%
Mar 2023	$4.45B	-0.7%
Dec 2022	$4.48B	+8.1%
Sep 2022	$4.15B	+32.6%
Jun 2022	$3.13B	+3.4%
Mar 2022	$3.03B	+4.9%
Dec 2021	$2.89B	+5.8%
Sep 2021	$2.73B	+4.4%
Jun 2021	$2.61B	+5.9%
Mar 2021	$2.47B	+4.6%
Dec 2020	$2.36B	+6.0%
Sep 2020	$2.23B	+4.7%
Jun 2020	$2.13B	+3.6%
Mar 2020	$2.05B	+1.4%
Dec 2019	$2.02B	+2.5%
Sep 2019	$1.97B	+1.4%
Jun 2019	$1.95B	+1.3%
Mar 2019	$1.92B	+2.5%
Dec 2018	$1.87B	+3.5%
Sep 2018	$1.81B	+0.5%
Jun 2018	$1.80B	+6.1%
Mar 2018	$1.70B	+6.9%
Dec 2017	$1.59B	+5.4%
Sep 2017	$1.51B	+5.5%
Jun 2017	$1.43B	+9.5%
Mar 2017	$1.31B	+5.1%
Dec 2016	$1.24B	+2.2%
Sep 2016	$1.22B	+2.9%
Jun 2016	$1.18B	+0.9%
Mar 2016	$1.17B	+0.9%
Dec 2015	$1.16B	+1.2%
Sep 2015	$1.15B	+1.5%
Jun 2015	$1.13B	+2.2%
Mar 2015	$1.10B	+2.1%
Dec 2014	$1.08B	+2.2%
Sep 2014	$1.06B	+1.5%
Jun 2014	$1.04B	-0.2%
Mar 2014	$1.05B	+2.4%
Dec 2013	$1.02B	+1.6%
Sep 2013	$1.01B	+0.1%
Jun 2013	$1.00B	+0.1%
Mar 2013	$1.00B	-0.9%
Dec 2012	$1.01B	-0.3%

Month	Value	Change
Sep 2012	$1.02B	+0.1%
Jun 2012	$1.01B	+0.8%
Mar 2012	$1.01B	+1.6%
Dec 2011	$990.01M	+1.8%
Sep 2011	$972.61M	+2.5%
Jun 2011	$948.97M	+4.1%
Mar 2011	$911.44M	+7.6%
Dec 2010	$847.04M	+5.7%
Sep 2010	$801.65M	+6.3%
Jun 2010	$753.84M	+5.9%
Mar 2010	$711.52M	+3.9%
Dec 2009	$684.93M	+2.7%
Sep 2009	$667.09M	+0.4%
Jun 2009	$664.28M	-23.1%
Mar 2009	$864.15M	-2.5%
Dec 2008	$886.70M	-0.2%
Sep 2008	$888.25M	-0.9%
Jun 2008	$896.02M	-1.7%
Mar 2008	$911.93M	-4.4%
Dec 2007	$954.01M	-2.9%
Sep 2007	$982.41M	+1.5%
Jun 2007	$967.86M	+3.8%
Mar 2007	$932.70M	+3.5%
Dec 2006	$901.22M	+4.3%
Sep 2006	$863.71M	+4.0%
Jun 2006	$830.16M	+4.9%
Mar 2006	$791.38M	+3.7%
Dec 2005	$762.84M	+1.8%
Sep 2005	$749.46M	+1.2%
Jun 2005	$740.92M	+1.2%
Mar 2005	$731.86M	+0.7%
Dec 2004	$726.63M	+5.0%
Sep 2004	$691.97M	+1.9%
Jun 2004	$678.90M	+3.5%
Mar 2004	$656.03M	+7.8%
Dec 2003	$608.31M	+1.4%
Sep 2003	$599.80M	-0.3%
Jun 2003	$601.53M	-0.4%
Mar 2003	$604.02M	-1.1%
Dec 2002	$610.69M	-2.1%
Sep 2002	$624.00M	-0.6%
Jun 2002	$628.01M	+0.4%
Mar 2002	$625.21M	+77.2%
Dec 2001	$352.87M	-3.1%
Sep 2001	$364.04M	-2.3%
Jun 2001	$372.58M	+2.7%
Mar 2001	$362.78M	+82.4%
Dec 2000	$198.94M	+7.7%
Sep 2000	$184.65M	+19.1%
Jun 2000	$155.06M	+9.0%
Mar 2000	$142.19M	+18.5%
Dec 1999	$120.03M	+6.0%
Sep 1999	$113.19M	+5.9%
Jun 1999	$106.84M	+85.8%
Mar 1999	$57.51M	-

FAQ

What is the current quarterly book value of MKSI?: As of today, MKSI quarterly book value is $3.29B
What is MKSI quarterly book value most recent change?: MKSI quarterly book value was up +9.97% on September 30, 2026
What is 1-year change in MKSI quarterly book value?: MKSI quarterly book value is up +26.38% year-over-year
How far is MKSI quarterly book value from its all-time high?: MKSI quarterly book value is currently -26.70% below its historical high of $4.48B set on December 31, 2022
How does MKSI quarterly book value rank versus sector peers?: MKSI quarterly book value is higher than 85.82% of companies in Technology sector
When is MKSI next earnings release?: The next earnings release for MKSI is on February 16, 2027

Book Value Formula

Book Value = −

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