What is the current annual operating margin of KLAC?

As of today, KLAC annual operating margin is 41.24%

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

KLAC annual operating margin is up +5.66% year-over-year

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

KLAC annual operating margin is up +4.01% over the past 3 years

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

KLAC annual operating margin is currently at its all-time high

How does KLAC annual operating margin rank versus sector peers?

KLAC annual operating margin is higher than 97.96% of companies in Technology sector

When is KLAC next annual earnings release?

As of today, the next annual earnings release for KLAC has not been scheduled

What is the current quarterly operating margin of KLAC?

As of today, KLAC quarterly operating margin is 41.32%

What is KLAC quarterly operating margin most recent change?

KLAC quarterly operating margin was down -6.11% on September 30, 2025

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

KLAC quarterly operating margin is up +0.68% year-over-year

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

KLAC quarterly operating margin is currently -6.11% below its historical high of 44.01% set on June 30, 2025

How does KLAC quarterly operating margin rank versus sector peers?

KLAC quarterly operating margin is higher than 97.19% of companies in Technology sector

When is KLAC next earnings release?

The next earnings release for KLAC is on January 29, 2026

KLA Corporation (KLAC) Operating Margin History & Chart

Annual Operating Margin

41.24%2.21%+5.66%

June 30, 2025

Summary

Current Value: As of today, KLAC annual operating margin is 41.24%, up +5.66% on June 30, 2025
Historical Performance: KLAC annual operating margin is up +4.01% over the past 3 years, and up +33.25% over the past 5 years
All-Time High Comparison: KLAC annual operating margin is currently at its all-time high
3-Year Low Comparison: KLAC annual operating margin is +7.54% above its 3-year low of 38.35% reached on June 30, 2023
Sector Comparison: KLAC annual operating margin is higher than 97.96% of companies in Technology sector

Operating Margin Chart

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Performance

KLAC Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Operating Margin	Jun 30, 25	41.24%	+5.7%	+4.0%	+33.3%	+122.7%
Quarterly Operating Margin	Sep 30, 25	41.32%	+0.7%	+0.7%	+20.1%	+19.2%
Price	Jan 12, 26	$1,428.17	+109.1%	+240.8%	+390.8%	+3562.9%
PE Ratio	Jan 12, 26	44.84	+56.1%	+160.2%	+35.0%	+243.9%
Annual Revenue	Jun 30, 25	$12.15B	+24.0%	+32.0%	+109.4%	+566.7%
Annual Operating Profit	Jun 30, 25	$5.01B	+31.1%	+37.3%	+179.0%	+1384.8%
Annual Gross Margin	Jun 30, 25	59.27%	-3.1%	-1.8%	+4.9%	+7.0%
Annual Net Margin	Jun 30, 25	33.43%	+18.6%	-7.4%	+59.6%	+186.9%

Operating Margin Highs

KLAC Annual Operating Margin Highs Comparison
Period	High	Date	Current
3Y	41.24%	Jun 30, 25	at high
5Y	41.24%	Jun 30, 25	at high
All	41.24%	Jun 30, 25	at high

Operating Margin Lows

KLAC Annual Operating Margin Lows Comparison
Period	Low	Date	Current
3Y	38.35%	Jun 30, 23	+7.5%
5Y	30.95%	N/A	+33.3%
All	-4.72%	Jun 30, 09	+973.7%

Operating Margin History

Year	Value	Change
2025	41.24%	+5.7%
2024	39.03%	+1.8%
2023	38.35%	-3.3%
2022	39.65%	+9.7%
2021	36.13%	+16.7%
2020	30.95%	-0.9%
2019	31.22%	-18.0%
2018	38.09%	+4.0%
2017	36.63%	+10.3%
2016	33.21%	+35.4%
2015	24.53%	-7.4%
2014	26.49%	+2.5%
2013	25.85%	-19.8%
2012	32.24%	-12.3%
2011	36.78%	+98.6%
2010	18.52%	+492.4%
2009	-4.72%	-121.1%
2008	22.38%	-13.7%
2007	25.92%	+67.3%
2006	15.49%	-40.8%
2005	26.18%	+31.8%
2004	19.87%	+103.4%
2003	9.77%	-34.7%

Year	Value	Change
2002	14.96%	-31.1%
2001	21.70%	+6.0%
2000	20.48%	+433.3%
1999	3.84%	-76.1%
1998	16.04%	-19.8%
1997	20.00%	-21.7%
1996	25.55%	+5.4%
1995	24.25%	+47.5%
1994	16.44%	+155.3%
1993	6.44%	+285.1%
1992	-3.48%	-203.6%
1991	3.36%	-56.5%
1990	7.73%	-29.2%
1989	10.92%	+0.7%
1988	10.84%	-4.7%
1987	11.38%	-34.7%
1986	17.42%	-1.2%
1985	17.63%	-2.5%
1984	18.08%	+17.0%
1983	15.45%	+45.9%
1982	10.59%	-20.7%
1981	13.36%	-31.6%
1980	19.53%	-

FAQ

What is the current annual operating margin of KLAC?
As of today, KLAC annual operating margin is 41.24%
What is 1-year change in KLAC annual operating margin?
KLAC annual operating margin is up +5.66% year-over-year
What is 3-year change in KLAC annual operating margin?
KLAC annual operating margin is up +4.01% over the past 3 years
How far is KLAC annual operating margin from its all-time high?
KLAC annual operating margin is currently at its all-time high
How does KLAC annual operating margin rank versus sector peers?
KLAC annual operating margin is higher than 97.96% of companies in Technology sector
When is KLAC next annual earnings release?
As of today, the next annual earnings release for KLAC has not been scheduled

Quarterly Operating Margin

41.32%2.69%-6.11%

September 30, 2025

Summary

Current Value: As of today, KLAC quarterly operating margin is 41.32%, down -6.11% on September 30, 2025
Historical Performance: KLAC quarterly operating margin is up +0.68% year-over-year, and up +0.66% over the past 3 years
All-Time High Comparison: KLAC quarterly operating margin is currently -6.11% below its historical high of 44.01% set on June 30, 2025
3-Year Low Comparison: KLAC quarterly operating margin is +14.71% above its 3-year low of 36.02% reached on March 31, 2024
Sector Comparison: KLAC quarterly operating margin is higher than 97.19% of companies in Technology sector

Performance

KLAC Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Operating Margin	Sep 30, 25	41.32%	-6.1%	+0.7%	+0.7%	+20.1%
Annual Operating Margin	Jun 30, 25	41.24%	–	+5.7%	+4.0%	+33.3%
Price	Jan 12, 26	$1,428.17	+45.3%	+109.1%	+240.8%	+390.8%
PE Ratio	Jan 12, 26	44.84	+45.4%	+56.1%	+160.2%	+35.0%
Quarterly Revenue	Sep 30, 25	$3.21B	+1.1%	+13.1%	+18.4%	+108.6%
Quarterly Operating Profit	Sep 30, 25	$1.33B	-5.0%	+13.8%	+19.2%	+150.5%
Quarterly Gross Margin	Sep 30, 25	59.43%	-3.2%	-2.1%	-2.3%	+1.1%
Quarterly Net Margin	Sep 30, 25	34.93%	-7.8%	+4.8%	-7.7%	+27.9%

Quarterly Operating Margin Highs

KLAC Quarterly Operating Margin Highs Comparison
Period	High	Date	Current
1Y	44.01%	Jun 30, 25	-6.1%
3Y	44.01%	Jun 30, 25	-6.1%
5Y	44.01%	Jun 30, 25	-6.1%
All	44.01%	Jun 30, 25	-6.1%

Quarterly Operating Margin Lows

KLAC Quarterly Operating Margin Lows Comparison
Period	Low	Date	Current
1Y	41.32%	Sep 30, 25	at low
3Y	36.02%	Mar 31, 24	+14.7%
5Y	34.85%	N/A	+18.6%
All	-246.02%	Jun 30, 87	+116.8%

Quarterly Operating Margin History

Month	Value	Change
Sep 2025	41.32%	-6.1%
Jun 2025	44.01%	+0.2%
Mar 2025	43.93%	+5.0%
Dec 2024	41.84%	+1.9%
Sep 2024	41.04%	+0.1%
Jun 2024	41.01%	+13.9%
Mar 2024	36.02%	-10.0%
Dec 2023	40.04%	+2.0%
Sep 2023	39.24%	+3.3%
Jun 2023	37.99%	+5.2%
Mar 2023	36.11%	-9.8%
Dec 2022	40.02%	-2.5%
Sep 2022	41.05%	-1.7%
Jun 2022	41.76%	+6.9%
Mar 2022	39.07%	-4.8%
Dec 2021	41.06%	+4.5%
Sep 2021	39.28%	+5.1%
Jun 2021	37.39%	-0.1%
Mar 2021	37.43%	+7.4%
Dec 2020	34.85%	+1.3%
Sep 2020	34.41%	+3.5%
Jun 2020	33.24%	+9.0%
Mar 2020	30.49%	-1.2%
Dec 2019	30.85%	+6.0%
Sep 2019	29.11%	+35.1%
Jun 2019	21.55%	-15.4%
Mar 2019	25.48%	-33.9%
Dec 2018	38.57%	-4.9%
Sep 2018	40.57%	+2.3%
Jun 2018	39.65%	+4.8%
Mar 2018	37.83%	+1.0%
Dec 2017	37.46%	+0.9%
Sep 2017	37.14%	+0.5%
Jun 2017	36.95%	-1.5%
Mar 2017	37.53%	-1.7%
Dec 2016	38.19%	+14.5%
Sep 2016	33.34%	-16.2%
Jun 2016	39.77%	+20.1%
Mar 2016	33.12%	+6.3%
Dec 2015	31.17%	+19.3%
Sep 2015	26.12%	-18.9%
Jun 2015	32.21%	+22.6%
Mar 2015	26.28%	+15.7%
Dec 2014	22.72%	+34.0%
Sep 2014	16.95%	-27.8%
Jun 2014	23.49%	-25.0%
Mar 2014	31.33%	+17.6%
Dec 2013	26.65%	+18.6%
Sep 2013	22.47%	-12.4%
Jun 2013	25.64%	-7.3%
Mar 2013	27.65%	+21.5%
Dec 2012	22.75%	-13.0%
Sep 2012	26.16%	-27.9%
Jun 2012	36.28%	+7.2%
Mar 2012	33.84%	+35.9%
Dec 2011	24.90%	-22.0%
Sep 2011	31.94%	-15.6%
Jun 2011	37.83%	+1.1%
Mar 2011	37.43%	+5.8%
Dec 2010	35.38%	+2.0%
Sep 2010	34.67%	+9.6%
Jun 2010	31.64%	+53.7%
Mar 2010	20.59%	+30.2%
Dec 2009	15.82%	+161.5%
Sep 2009	6.05%	+147.2%
Jun 2009	-12.81%	+26.7%
Mar 2009	-17.47%	-65.7%
Dec 2008	-10.54%	-200.2%
Sep 2008	10.52%	-42.7%
Jun 2008	18.35%	-11.3%
Mar 2008	20.69%	-18.1%
Dec 2007	25.27%	-1.2%
Sep 2007	25.58%	-9.7%
Jun 2007	28.32%	+5.3%
Mar 2007	26.90%	+17.9%

Month	Value	Change
Dec 2006	22.82%	-6.7%
Sep 2006	24.47%	+118.3%
Jun 2006	11.21%	-31.4%
Mar 2006	16.34%	+6.2%
Dec 2005	15.38%	-0.7%
Sep 2005	15.49%	-33.9%
Jun 2005	23.43%	-18.0%
Mar 2005	28.59%	-2.0%
Dec 2004	29.18%	-3.6%
Sep 2004	30.26%	+12.1%
Jun 2004	26.99%	+19.9%
Mar 2004	22.51%	+49.3%
Dec 2003	15.08%	+29.7%
Sep 2003	11.63%	+23.3%
Jun 2003	9.43%	+12.1%
Mar 2003	8.41%	+5.3%
Dec 2002	7.99%	-37.3%
Sep 2002	12.75%	+22.7%
Mar 2002	10.39%	-25.4%
Dec 2001	13.93%	-32.8%
Sep 2001	20.74%	-21.6%
Jun 2001	26.44%	+24.4%
Mar 2001	21.25%	-11.7%
Dec 2000	24.06%	-4.7%
Sep 2000	25.25%	+4.8%
Jun 2000	24.09%	+7.6%
Mar 2000	22.38%	+20.1%
Dec 1999	18.63%	+38.4%
Sep 1999	13.46%	+41.1%
Jun 1999	9.54%	+55.1%
Mar 1999	6.15%	>+9,900.0%
Dec 1998	0.01%	+100.7%
Sep 1998	-1.42%	-116.6%
Jun 1998	8.57%	-30.6%
Mar 1998	12.34%	-40.1%
Dec 1997	20.60%	+0.0%
Sep 1997	20.59%	+0.9%
Jun 1997	20.40%	+4.5%
Mar 1997	19.52%	-1.1%
Dec 1996	19.74%	-5.6%
Sep 1996	20.91%	-25.8%
Jun 1996	28.17%	+10.7%
Mar 1996	25.44%	-1.9%
Dec 1995	25.93%	-0.6%
Sep 1995	26.09%	-39.5%
Jun 1995	43.11%	+69.7%
Mar 1995	25.40%	+3.1%
Dec 1994	24.64%	+14.6%
Sep 1994	21.51%	+11.4%
Jun 1994	19.31%	+1.7%
Mar 1994	18.98%	+26.0%
Dec 1993	15.06%	+32.5%
Sep 1993	11.37%	+15.7%
Jun 1993	9.83%	+48.0%
Mar 1993	6.64%	+7.1%
Dec 1992	6.20%	+59.0%
Sep 1992	3.90%	+108.6%
Jun 1992	-45.57%	-1,289.3%
Mar 1992	-3.28%	-200.0%
Dec 1991	3.28%	-3.8%
Sep 1991	3.41%	+16.4%
Jun 1991	2.93%	-2.7%
Mar 1991	3.01%	+30.9%
Dec 1990	2.30%	-3.8%
Sep 1990	2.39%	-64.6%
Jun 1990	6.76%	-3.0%
Mar 1990	6.97%	-12.4%
Dec 1989	7.96%	+103.3%
Jun 1989	-241.20%	-21.3%
Jun 1988	-198.81%	+19.2%
Jun 1987	-246.02%	-28.8%
Jun 1986	-191.03%	+5.9%
Jun 1985	-202.92%	-29.9%
Jun 1984	-156.20%	-

FAQ

What is the current quarterly operating margin of KLAC?
As of today, KLAC quarterly operating margin is 41.32%
What is KLAC quarterly operating margin most recent change?
KLAC quarterly operating margin was down -6.11% on September 30, 2025
What is 1-year change in KLAC quarterly operating margin?
KLAC quarterly operating margin is up +0.68% year-over-year
How far is KLAC quarterly operating margin from its all-time high?
KLAC quarterly operating margin is currently -6.11% below its historical high of 44.01% set on June 30, 2025
How does KLAC quarterly operating margin rank versus sector peers?
KLAC quarterly operating margin is higher than 97.19% of companies in Technology sector
When is KLAC next earnings release?
The next earnings release for KLAC is on January 29, 2026

Operating Margin Formula

Operating Profit Margin = Operating Profit

Revenue × 100%

Data Sources & References

KLAC Official Website www.kla.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/319201/000031920125000034/0000319201-25-000034-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/319201/000031920125000024/0000319201-25-000024-index.htm
KLAC Profile on Yahoo Finance finance.yahoo.com/quote/KLAC
KLAC Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/klac