What is the current annual net margin of MRK?

As of today, MRK annual net margin is 28.09%

What is 1-year change in MRK annual net margin?

MRK annual net margin is up +4.89% year-over-year

What is 3-year change in MRK annual net margin?

MRK annual net margin is up +13.08% over the past 3 years

How far is MRK annual net margin from its all-time high?

MRK annual net margin is currently -40.50% below its historical high of 47.21% set on December 31, 2009

How does MRK annual net margin rank versus sector peers?

MRK annual net margin is higher than 95.36% of companies in Healthcare sector

When is MRK next annual earnings release?

The next annual earnings release for MRK is on February 2, 2027

What is the current quarterly net margin of MRK?

As of today, MRK quarterly net margin is 28.02%

What is MRK quarterly net margin most recent change?

MRK quarterly net margin was up +447.64% on September 30, 2026

What is 1-year change in MRK quarterly net margin?

MRK quarterly net margin is down -16.81% year-over-year

How far is MRK quarterly net margin from its all-time high?

MRK quarterly net margin is currently -60.25% below its historical high of 70.49% set on December 31, 2014

How does MRK quarterly net margin rank versus sector peers?

MRK quarterly net margin is higher than 93.75% of companies in Healthcare sector

When is MRK next earnings release?

The next earnings release for MRK is on February 2, 2027

MRK Net Margin History & Chart Since 1980

Annual Net Margin

28.09%1.31%+4.89%

December 31, 2025

Summary

Current Value: As of today, MRK annual net margin is 28.09%, up +4.89% on December 31, 2025
Historical Performance: MRK annual net margin is up +13.08% over the past 3 years, up +157.94% over the past 5 years
All-Time High Comparison: MRK annual net margin is currently -40.50% below its historical high of 47.21% set on December 31, 2009
3-Year Low Comparison: MRK annual net margin is +4358.73% above its 3-year low of 0.63% reached on December 31, 2023
Sector Comparison: MRK annual net margin is higher than 95.36% of companies in Healthcare sector

Net Margin Chart

beforeafter

Performance

MRK Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Net Margin	Dec 31, 25	28.09%	+4.9%	+13.1%	+157.9%	+1218.8%
Quarterly Net Margin	Sep 30, 26	28.02%	-16.8%	-5.6%	-19.6%	+96.2%
Price	Nov 10, 26	$148.05	+70.7%	+46.0%	+76.2%	+343.7%
PE Ratio	Nov 10, 26	151.19	+1217.0%	+168.4%	+409.7%	+520.6%
Annual Revenue	Dec 31, 25	$64.93B	+1.5%	+11.0%	+56.3%	+41.4%
Annual Net Income	Dec 31, 25	$18.26B	+6.6%	+25.7%	+303.8%	+1763.6%
Annual Gross Margin	Dec 31, 25	81.50%	+10.5%	+15.5%	+20.5%	+34.0%
Annual Operating Margin	Dec 31, 25	41.19%	+27.6%	+23.5%	+70.1%	+179.3%

Net Margin Highs

MRK Annual Net Margin Highs Comparison
Period	High	Date	Current
3Y	28.09%	Dec 31, 25	at high
5Y	28.09%	Dec 31, 25	at high
All	47.21%	Dec 31, 09	-40.5%

Net Margin Lows

MRK Annual Net Margin Lows Comparison
Period	Low	Date	Current
3Y	0.63%	Dec 31, 23	+4358.7%
5Y	0.63%	Dec 31, 23	+4358.7%
All	0.63%	Dec 31, 23	+4358.7%

Net Margin History

Year	Value	Change
2025	28.09%	+4.9%
2024	26.78%	+4,150.8%
2023	0.63%	-97.5%
2022	24.84%	-1.7%
2021	25.27%	+132.0%
2020	10.89%	-48.1%
2019	20.99%	+43.9%
2018	14.59%	+141.2%
2017	6.05%	-39.4%
2016	9.98%	-13.2%
2015	11.50%	-59.4%
2014	28.34%	+176.5%
2013	10.25%	-22.9%
2012	13.30%	+0.4%
2011	13.25%	+522.1%
2010	2.13%	-95.5%
2009	47.21%	+41.9%
2008	33.26%	+136.9%
2007	14.04%	-30.2%
2006	20.12%	-6.8%
2005	21.59%	-17.0%
2004	26.02%	-13.4%
2003	30.06%	+111.4%

Year	Value	Change
2002	14.22%	-10.4%
2001	15.87%	-10.2%
2000	17.67%	-5.5%
1999	18.69%	-7.1%
1998	20.12%	+0.7%
1997	19.99%	-1.5%
1996	20.30%	-1.2%
1995	20.54%	-0.5%
1994	20.64%	-2.2%
1993	21.11%	-16.6%
1992	25.32%	+1.4%
1991	24.96%	+5.6%
1990	23.63%	+1.0%
1989	23.40%	+11.2%
1988	21.05%	+13.9%
1987	18.48%	+12.9%
1986	16.37%	+7.6%
1985	15.22%	+11.6%
1984	13.64%	-1.0%
1983	13.78%	+2.2%
1982	13.48%	-1.0%
1981	13.61%	-10.9%
1980	15.28%	-

FAQ

What is the current annual net margin of MRK?: As of today, MRK annual net margin is 28.09%
What is 1-year change in MRK annual net margin?: MRK annual net margin is up +4.89% year-over-year
What is 3-year change in MRK annual net margin?: MRK annual net margin is up +13.08% over the past 3 years
How far is MRK annual net margin from its all-time high?: MRK annual net margin is currently -40.50% below its historical high of 47.21% set on December 31, 2009
How does MRK annual net margin rank versus sector peers?: MRK annual net margin is higher than 95.36% of companies in Healthcare sector
When is MRK next annual earnings release?: The next annual earnings release for MRK is on February 2, 2027

Net Margin Formula

Net Margin = Net Income

Revenue × 100%

Quarterly Net Margin

28.02%36.08%+447.64%

September 30, 2026

Summary

Current Value: As of today, MRK quarterly net margin is 28.02%, up +447.64% on September 30, 2026
Historical Performance: MRK quarterly net margin is down -16.81% year-over-year, down -5.56% over the past 3 years
All-Time High Comparison: MRK quarterly net margin is currently -60.25% below its historical high of 70.49% set on December 31, 2014
3-Year Low Comparison: MRK quarterly net margin is +206.99% above its 3-year low of -26.19% reached on March 31, 2026
Sector Comparison: MRK quarterly net margin is higher than 93.75% of companies in Healthcare sector

Performance

MRK Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Net Margin	Sep 30, 26	28.02%	+447.6%	-16.8%	-5.6%	-19.6%
Annual Net Margin	Dec 31, 25	28.09%	–	+4.9%	+13.1%	+157.9%
Price	Nov 10, 26	$148.05	+13.1%	+70.7%	+46.0%	+76.2%
PE Ratio	Nov 10, 26	151.19	+44.5%	+1217.0%	+168.4%	+409.7%
Quarterly Revenue	Sep 30, 26	$18.12B	+9.3%	+5.5%	+13.2%	+38.2%
Quarterly Net Income	Sep 30, 26	$5.07B	+479.0%	-12.4%	+6.7%	+10.8%
Quarterly Gross Margin	Sep 30, 26	71.65%	+0.2%	-5.2%	+1.3%	-3.3%
Quarterly Operating Margin	Sep 30, 26	40.72%	+731.0%	-6.2%	+8.8%	+8.0%

Quarterly Net Margin Highs

MRK Quarterly Net Margin Highs Comparison
Period	High	Date	Current
1Y	33.68%	N/A	-16.8%
3Y	33.80%	Jun 30, 24	-17.1%
5Y	34.86%	N/A	-19.6%
All	70.49%	Dec 31, 14	-60.3%

Quarterly Net Margin Lows

MRK Quarterly Net Margin Lows Comparison
Period	Low	Date	Current
1Y	-26.19%	Mar 31, 26	+207.0%
3Y	-26.19%	Mar 31, 26	+207.0%
5Y	-39.64%	Jun 30, 23	+170.7%
All	-39.64%	Jun 30, 23	+170.7%

Quarterly Net Margin History

Month	Value	Change
Sep 2026	28.02%	+447.6%
Jun 2026	-8.06%	+69.2%
Mar 2026	-26.19%	-244.3%
Dec 2025	18.15%	-46.1%
Sep 2025	33.68%	+20.2%
Jun 2025	28.03%	-13.9%
Mar 2025	32.56%	+33.0%
Dec 2024	24.49%	+29.5%
Sep 2024	18.91%	-44.1%
Jun 2024	33.80%	+12.1%
Mar 2024	30.15%	+449.8%
Dec 2023	-8.62%	-129.1%
Sep 2023	29.67%	+174.8%
Jun 2023	-39.64%	-304.6%
Mar 2023	19.37%	-19.9%
Dec 2022	24.17%	+13.0%
Sep 2022	21.38%	-19.9%
Jun 2022	26.68%	-1.1%
Mar 2022	26.97%	-1.7%
Dec 2021	27.44%	-21.3%
Sep 2021	34.86%	+225.8%
Jun 2021	10.70%	-59.1%
Mar 2021	26.13%	+209.0%
Dec 2020	-23.97%	-212.3%
Sep 2020	21.34%	-15.2%
Jun 2020	25.17%	-6.2%
Mar 2020	26.82%	+34.0%
Dec 2019	20.02%	+29.3%
Sep 2019	15.48%	-31.6%
Jun 2019	22.64%	-14.7%
Mar 2019	26.54%	+63.9%
Dec 2018	16.19%	-10.7%
Sep 2018	18.13%	+9.3%
Jun 2018	16.59%	+126.9%
Mar 2018	7.31%	+173.6%
Dec 2017	-9.93%	-1,926.5%
Sep 2017	-0.49%	-102.5%
Jun 2017	19.75%	+18.5%
Mar 2017	16.66%	+385.3%
Dec 2016	-5.84%	-128.0%
Sep 2016	20.85%	+68.7%
Jun 2016	12.36%	+0.3%
Mar 2016	12.32%	+25.8%
Dec 2015	9.79%	-47.1%
Sep 2015	18.49%	+157.9%
Jun 2015	7.17%	-30.7%
Mar 2015	10.35%	-85.3%
Dec 2014	70.49%	+781.1%
Sep 2014	8.00%	-57.0%
Jun 2014	18.60%	+10.3%
Mar 2014	16.86%	+134.5%
Dec 2013	7.19%	-31.0%
Sep 2013	10.42%	+22.7%
Jun 2013	8.49%	-43.8%
Mar 2013	15.11%	+87.0%
Dec 2012	8.08%	-47.3%
Sep 2012	15.33%	+4.0%
Jun 2012	14.74%	-1.8%
Mar 2012	15.01%	+20.1%
Dec 2011	12.50%	-12.5%
Sep 2011	14.28%	-15.2%
Jun 2011	16.84%	+82.6%
Mar 2011	9.22%	+324.9%
Dec 2010	-4.10%	-223.1%
Sep 2010	3.33%	-51.6%
Jun 2010	6.88%	+138.9%
Mar 2010	2.88%	-95.5%
Dec 2009	64.00%	+12.6%
Sep 2009	56.85%	+111.5%
Jun 2009	26.88%	-0.3%
Mar 2009	26.95%	-2.9%
Dec 2008	27.76%	+46.8%
Sep 2008	18.91%	-36.4%
Jun 2008	29.73%	-48.1%
Mar 2008	57.27%	+323.3%
Dec 2007	-25.65%	-200.1%
Sep 2007	25.62%	-8.3%
Jun 2007	27.93%	-7.1%
Mar 2007	30.07%	+261.0%
Dec 2006	8.33%	-53.6%
Sep 2006	17.95%	-32.3%
Jun 2006	26.50%	-7.5%
Mar 2006	28.65%	+43.7%
Dec 2005	19.94%	-25.6%
Sep 2005	26.80%	+95.2%
Jun 2005	13.73%	-47.4%

Month	Value	Change
Mar 2005	26.12%	+36.3%
Dec 2004	19.16%	-22.1%
Sep 2004	24.61%	-17.9%
Jun 2004	29.97%	+1.8%
Mar 2004	29.45%	+15.7%
Dec 2003	25.46%	-23.0%
Sep 2003	33.05%	+130.2%
Jun 2003	14.36%	+9.1%
Mar 2003	13.16%	-5.3%
Dec 2002	13.90%	-7.8%
Sep 2002	15.07%	+6.7%
Jun 2002	14.13%	+2.6%
Mar 2002	13.77%	-10.5%
Dec 2001	15.39%	-9.2%
Sep 2001	16.95%	+7.5%
Jun 2001	15.77%	+2.7%
Mar 2001	15.36%	-4.4%
Dec 2000	16.07%	-11.1%
Sep 2000	18.08%	-5.7%
Jun 2000	19.18%	+8.9%
Mar 2000	17.62%	-2.9%
Dec 1999	18.15%	-7.1%
Sep 1999	19.54%	+2.0%
Jun 1999	19.15%	+7.0%
Mar 1999	17.90%	-8.8%
Dec 1998	19.63%	-3.2%
Sep 1998	20.28%	-2.0%
Jun 1998	20.69%	+3.9%
Mar 1998	19.92%	-0.1%
Dec 1997	19.93%	-1.3%
Sep 1997	20.20%	+3.4%
Jun 1997	19.54%	+6.7%
Mar 1997	18.32%	-5.1%
Dec 1996	19.30%	-4.0%
Sep 1996	20.10%	+1.5%
Jun 1996	19.80%	+3.8%
Mar 1996	19.07%	+1.3%
Dec 1995	18.82%	-8.9%
Sep 1995	20.66%	-0.4%
Jun 1995	20.75%	+4.6%
Mar 1995	19.84%	-0.6%
Dec 1994	19.96%	-3.6%
Sep 1994	20.70%	+2.7%
Jun 1994	20.15%	+4.9%
Mar 1994	19.21%	-14.5%
Dec 1993	22.47%	-19.0%
Sep 1993	27.74%	+313.4%
Jun 1993	6.71%	-74.0%
Mar 1993	25.79%	+470.6%
Dec 1992	4.52%	-82.7%
Sep 1992	26.15%	-5.0%
Jun 1992	27.53%	+7.6%
Mar 1992	25.58%	+11.7%
Dec 1991	22.90%	-12.2%
Sep 1991	26.09%	-0.4%
Jun 1991	26.20%	+11.0%
Mar 1991	23.60%	+12.1%
Dec 1990	21.06%	-13.3%
Sep 1990	24.29%	-1.9%
Jun 1990	24.76%	+7.8%
Mar 1990	22.96%	+9.9%
Dec 1989	20.89%	-12.7%
Sep 1989	23.92%	-4.4%
Jun 1989	25.02%	+15.5%
Mar 1989	21.66%	+8.1%
Dec 1988	20.03%	-5.7%
Sep 1988	21.23%	+0.7%
Jun 1988	21.09%	+11.6%
Mar 1988	18.89%	+13.3%
Dec 1987	16.67%	-8.4%
Sep 1987	18.19%	-3.3%
Jun 1987	18.82%	+3.9%
Mar 1987	18.12%	+21.2%
Dec 1986	14.95%	-9.0%
Sep 1986	16.42%	-4.7%
Jun 1986	17.23%	+0.6%
Mar 1986	17.13%	+22.1%
Dec 1985	14.03%	-11.7%
Sep 1985	15.89%	+1.1%
Jun 1985	15.72%	+2.3%
Mar 1985	15.36%	+27.8%
Dec 1984	12.02%	-14.7%
Sep 1984	14.09%	-4.4%
Jun 1984	14.74%	0.0%
Mar 1984	14.74%	-

FAQ

What is the current quarterly net margin of MRK?: As of today, MRK quarterly net margin is 28.02%
What is MRK quarterly net margin most recent change?: MRK quarterly net margin was up +447.64% on September 30, 2026
What is 1-year change in MRK quarterly net margin?: MRK quarterly net margin is down -16.81% year-over-year
How far is MRK quarterly net margin from its all-time high?: MRK quarterly net margin is currently -60.25% below its historical high of 70.49% set on December 31, 2014
How does MRK quarterly net margin rank versus sector peers?: MRK quarterly net margin is higher than 93.75% of companies in Healthcare sector
When is MRK next earnings release?: The next earnings release for MRK is on February 2, 2027

Net Margin Formula

Net Margin = Net Income

Revenue × 100%

Data Sources & References

MRK Official Website www.merck.com
MRK Profile on Yahoo Finance finance.yahoo.com/quote/MRK
MRK Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/mrk