vs

Side-by-side financial comparison of COHERENT CORP. (COHR) and KLA Corporation (KLAC). Click either name above to swap in a different company.

KLA Corporation is the larger business by last-quarter revenue ($3.3B vs $1.7B, roughly 2.0× COHERENT CORP.). KLA Corporation runs the higher net margin — 34.7% vs 8.7%, a 26.0% gap on every dollar of revenue. On growth, COHERENT CORP. posted the faster year-over-year revenue change (17.5% vs 7.2%). KLA Corporation produced more free cash flow last quarter ($1.3B vs $-95.7M). Over the past eight quarters, KLA Corporation's revenue compounded faster (18.2% CAGR vs 18.1%).

Coherent Corp. is an American manufacturer of optical materials and semiconductors. As of 2023, the company had 26,622 employees. Their stock is listed at the New York Stock Exchange under the ticker symbol COHR. In 2022, II-VI acquired laser manufacturer Coherent, Inc., and adopted its name.

KLA Corporation is an American company based in Milpitas, California that makes wafer fab equipment. It supplies process control and yield management systems for the semiconductor industry and other related nanoelectronics industries. The company's products and services are intended for all phases of wafer, reticle, integrated circuit (IC) and packaging production, from research and development to final volume manufacturing.

COHR vs KLAC — Head-to-Head

Bigger by revenue
KLAC
KLAC
2.0× larger
KLAC
$3.3B
$1.7B
COHR
Growing faster (revenue YoY)
COHR
COHR
+10.3% gap
COHR
17.5%
7.2%
KLAC
Higher net margin
KLAC
KLAC
26.0% more per $
KLAC
34.7%
8.7%
COHR
More free cash flow
KLAC
KLAC
$1.4B more FCF
KLAC
$1.3B
$-95.7M
COHR
Faster 2-yr revenue CAGR
KLAC
KLAC
Annualised
KLAC
18.2%
18.1%
COHR

Income Statement — Q2 2026 vs Q2 2026

Metric
COHR
COHR
KLAC
KLAC
Revenue
$1.7B
$3.3B
Net Profit
$146.7M
$1.1B
Gross Margin
36.9%
61.4%
Operating Margin
10.0%
Net Margin
8.7%
34.7%
Revenue YoY
17.5%
7.2%
Net Profit YoY
41.9%
39.0%
EPS (diluted)
$0.76
$8.68

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
COHR
COHR
KLAC
KLAC
Q4 25
$1.7B
$3.3B
Q3 25
$1.6B
$3.2B
Q2 25
$1.5B
$3.2B
Q1 25
$1.5B
$3.1B
Q4 24
$1.4B
$3.1B
Q3 24
$1.3B
$2.8B
Q2 24
$1.3B
$2.6B
Q1 24
$1.2B
$2.4B
Net Profit
COHR
COHR
KLAC
KLAC
Q4 25
$146.7M
$1.1B
Q3 25
$226.3M
$1.1B
Q2 25
$-95.6M
$1.2B
Q1 25
$15.7M
$1.1B
Q4 24
$103.4M
$824.5M
Q3 24
$25.9M
$945.9M
Q2 24
$-48.4M
$836.4M
Q1 24
$-13.2M
$601.5M
Gross Margin
COHR
COHR
KLAC
KLAC
Q4 25
36.9%
61.4%
Q3 25
36.6%
61.3%
Q2 25
35.7%
62.0%
Q1 25
35.2%
61.6%
Q4 24
35.5%
60.3%
Q3 24
34.1%
59.6%
Q2 24
32.9%
60.7%
Q1 24
30.3%
57.9%
Operating Margin
COHR
COHR
KLAC
KLAC
Q4 25
10.0%
Q3 25
13.7%
Q2 25
-4.1%
41.9%
Q1 25
0.7%
41.3%
Q4 24
9.0%
31.6%
Q3 24
1.4%
38.0%
Q2 24
4.8%
36.8%
Q1 24
1.8%
29.7%
Net Margin
COHR
COHR
KLAC
KLAC
Q4 25
8.7%
34.7%
Q3 25
14.3%
34.9%
Q2 25
-6.3%
37.9%
Q1 25
1.0%
35.5%
Q4 24
7.2%
26.8%
Q3 24
1.9%
33.3%
Q2 24
-3.7%
32.6%
Q1 24
-1.1%
25.5%
EPS (diluted)
COHR
COHR
KLAC
KLAC
Q4 25
$0.76
$8.68
Q3 25
$1.19
$8.47
Q2 25
$-0.81
$9.04
Q1 25
$-0.11
$8.16
Q4 24
$0.44
$6.16
Q3 24
$-0.04
$7.01
Q2 24
$-0.52
$6.16
Q1 24
$-0.29
$4.43

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
COHR
COHR
KLAC
KLAC
Cash + ST InvestmentsLiquidity on hand
$863.7M
$2.5B
Total DebtLower is stronger
$3.4B
$5.9B
Stockholders' EquityBook value
$8.5B
$5.5B
Total Assets
$15.1B
$16.7B
Debt / EquityLower = less leverage
0.39×
1.08×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
COHR
COHR
KLAC
KLAC
Q4 25
$863.7M
$2.5B
Q3 25
$852.8M
$1.9B
Q2 25
$909.2M
$2.1B
Q1 25
$890.3M
$1.9B
Q4 24
$917.8M
$1.8B
Q3 24
$1.0B
$2.0B
Q2 24
$926.0M
$2.0B
Q1 24
$898.6M
$1.8B
Total Debt
COHR
COHR
KLAC
KLAC
Q4 25
$3.4B
$5.9B
Q3 25
$3.3B
$5.9B
Q2 25
$3.7B
$5.9B
Q1 25
$3.7B
$5.9B
Q4 24
$3.9B
$5.9B
Q3 24
$4.0B
$5.9B
Q2 24
$4.1B
$5.9B
Q1 24
$4.2B
$5.9B
Stockholders' Equity
COHR
COHR
KLAC
KLAC
Q4 25
$8.5B
$5.5B
Q3 25
$5.8B
$5.0B
Q2 25
$5.6B
$4.7B
Q1 25
$5.4B
$4.0B
Q4 24
$5.2B
$3.6B
Q3 24
$5.5B
$3.6B
Q2 24
$5.2B
$3.4B
Q1 24
$5.3B
$3.1B
Total Assets
COHR
COHR
KLAC
KLAC
Q4 25
$15.1B
$16.7B
Q3 25
$14.7B
$16.3B
Q2 25
$14.9B
$16.1B
Q1 25
$14.4B
$15.2B
Q4 24
$14.2B
$15.0B
Q3 24
$14.7B
$15.7B
Q2 24
$14.5B
$15.4B
Q1 24
$14.5B
$15.0B
Debt / Equity
COHR
COHR
KLAC
KLAC
Q4 25
0.39×
1.08×
Q3 25
0.57×
1.18×
Q2 25
0.65×
1.25×
Q1 25
0.70×
1.47×
Q4 24
0.75×
1.64×
Q3 24
0.73×
1.65×
Q2 24
0.79×
1.75×
Q1 24
0.78×
1.90×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
COHR
COHR
KLAC
KLAC
Operating Cash FlowLast quarter
$57.9M
$1.4B
Free Cash FlowOCF − Capex
$-95.7M
$1.3B
FCF MarginFCF / Revenue
-5.7%
38.3%
Capex IntensityCapex / Revenue
9.1%
3.2%
Cash ConversionOCF / Net Profit
0.39×
1.19×
TTM Free Cash FlowTrailing 4 quarters
$-103.6M
$4.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
COHR
COHR
KLAC
KLAC
Q4 25
$57.9M
$1.4B
Q3 25
$46.0M
$1.2B
Q2 25
$130.3M
$1.2B
Q1 25
$163.0M
$1.1B
Q4 24
$187.4M
$849.5M
Q3 24
$153.0M
$995.2M
Q2 24
$162.3M
$892.6M
Q1 24
$117.4M
$910.0M
Free Cash Flow
COHR
COHR
KLAC
KLAC
Q4 25
$-95.7M
$1.3B
Q3 25
$-58.0M
$1.1B
Q2 25
$-1.1M
$1.1B
Q1 25
$51.1M
$990.0M
Q4 24
$81.7M
$757.2M
Q3 24
$61.0M
$934.8M
Q2 24
$62.4M
$831.9M
Q1 24
$24.2M
$838.2M
FCF Margin
COHR
COHR
KLAC
KLAC
Q4 25
-5.7%
38.3%
Q3 25
-3.7%
33.2%
Q2 25
-0.1%
33.5%
Q1 25
3.4%
32.3%
Q4 24
5.7%
24.6%
Q3 24
4.5%
32.9%
Q2 24
4.7%
32.4%
Q1 24
2.0%
35.5%
Capex Intensity
COHR
COHR
KLAC
KLAC
Q4 25
9.1%
3.2%
Q3 25
6.6%
3.0%
Q2 25
8.6%
3.2%
Q1 25
7.5%
2.7%
Q4 24
7.4%
3.0%
Q3 24
6.8%
2.1%
Q2 24
7.6%
2.4%
Q1 24
7.7%
3.0%
Cash Conversion
COHR
COHR
KLAC
KLAC
Q4 25
0.39×
1.19×
Q3 25
0.20×
1.04×
Q2 25
0.97×
Q1 25
10.37×
0.99×
Q4 24
1.81×
1.03×
Q3 24
5.91×
1.05×
Q2 24
1.07×
Q1 24
1.51×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

COHR
COHR

Datacenter And Communications Segment$1.2B72%
Industrial Segment$477.7M28%

KLAC
KLAC

Wafer Inspection$1.6B48%
Services$786.1M24%
Patterning$696.2M21%
Specialty Semiconductor Process$121.6M4%
PCB And Component Inspection$80.3M2%
Other Revenue$40.2M1%

Related Comparisons