vs

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

KLA Corporation is the larger business by last-quarter revenue ($3.4B vs $2.7B, roughly 1.2× American Tower). American Tower runs the higher net margin — 110.1% vs 35.2%, a 74.9% gap on every dollar of revenue. American Tower produced more free cash flow last quarter ($941.0M vs $622.3M). Over the past eight quarters, KLA Corporation's revenue compounded faster (15.3% CAGR vs 3.7%).

American Tower Corporation, one of the largest global REITs, is a leading independent owner, operator and developer of multitenant communications real estate with a portfolio of approximately 219,000 communications sites. For more information about American Tower, please visit the Earnings Materials and Investor Presentations sections of our investor relations website at www.americantower.com.

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.

AMT vs KLAC — Head-to-Head

Bigger by revenue
KLAC
KLAC
1.2× larger
KLAC
$3.4B
$2.7B
AMT
Higher net margin
AMT
AMT
74.9% more per $
AMT
110.1%
35.2%
KLAC
More free cash flow
AMT
AMT
$318.7M more FCF
AMT
$941.0M
$622.3M
KLAC
Faster 2-yr revenue CAGR
KLAC
KLAC
Annualised
KLAC
15.3%
3.7%
AMT

Income Statement — Q1 FY2026 vs Q3 FY2026

Metric
AMT
AMT
KLAC
KLAC
Revenue
$2.7B
$3.4B
Net Profit
$3.0B
$1.2B
Gross Margin
Operating Margin
0.0%
Net Margin
110.1%
35.2%
Revenue YoY
11.5%
Net Profit YoY
10.3%
EPS (diluted)
$9.12

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
AMT
AMT
KLAC
KLAC
Q1 26
$2.7B
$3.4B
Q4 25
$2.7B
$3.3B
Q3 25
$2.7B
$3.2B
Q2 25
$2.6B
$3.2B
Q1 25
$2.6B
$3.1B
Q4 24
$2.5B
$3.1B
Q3 24
$2.5B
$2.8B
Q2 24
$2.5B
$2.6B
Net Profit
AMT
AMT
KLAC
KLAC
Q1 26
$3.0B
$1.2B
Q4 25
$836.8M
$1.1B
Q3 25
$912.6M
$1.1B
Q2 25
$380.5M
$1.2B
Q1 25
$498.6M
$1.1B
Q4 24
$1.2B
$824.5M
Q3 24
$-780.4M
$945.9M
Q2 24
$908.4M
$836.4M
Gross Margin
AMT
AMT
KLAC
KLAC
Q1 26
Q4 25
61.4%
Q3 25
61.3%
Q2 25
62.0%
Q1 25
61.6%
Q4 24
60.3%
Q3 24
59.6%
Q2 24
60.7%
Operating Margin
AMT
AMT
KLAC
KLAC
Q1 26
0.0%
Q4 25
42.4%
Q3 25
45.4%
Q2 25
45.6%
41.9%
Q1 25
48.9%
41.3%
Q4 24
42.4%
31.6%
Q3 24
45.2%
38.0%
Q2 24
45.4%
36.8%
Net Margin
AMT
AMT
KLAC
KLAC
Q1 26
110.1%
35.2%
Q4 25
30.6%
34.7%
Q3 25
33.6%
34.9%
Q2 25
14.5%
37.9%
Q1 25
19.5%
35.5%
Q4 24
48.3%
26.8%
Q3 24
-30.9%
33.3%
Q2 24
35.7%
32.6%
EPS (diluted)
AMT
AMT
KLAC
KLAC
Q1 26
$9.12
Q4 25
$1.76
$8.68
Q3 25
$1.82
$8.47
Q2 25
$0.78
$9.04
Q1 25
$1.04
$8.16
Q4 24
$2.63
$6.16
Q3 24
$-1.69
$7.01
Q2 24
$1.92
$6.16

Balance Sheet & Financial Strength

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

Metric
AMT
AMT
KLAC
KLAC
Cash + ST InvestmentsLiquidity on hand
$1.6B
$1.8B
Total DebtLower is stronger
$5.9B
Stockholders' EquityBook value
$10.2B
$5.8B
Total Assets
$16.9B
Debt / EquityLower = less leverage
1.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMT
AMT
KLAC
KLAC
Q1 26
$1.6B
$1.8B
Q4 25
$1.5B
$2.5B
Q3 25
$2.0B
$1.9B
Q2 25
$2.1B
$2.1B
Q1 25
$2.1B
$1.9B
Q4 24
$2.0B
$1.8B
Q3 24
$2.2B
$2.0B
Q2 24
$2.2B
$2.0B
Total Debt
AMT
AMT
KLAC
KLAC
Q1 26
$5.9B
Q4 25
$33.8B
$5.9B
Q3 25
$34.9B
$5.9B
Q2 25
$35.2B
$5.9B
Q1 25
$34.0B
$5.9B
Q4 24
$32.8B
$5.9B
Q3 24
$33.4B
$5.9B
Q2 24
$35.6B
$5.9B
Stockholders' Equity
AMT
AMT
KLAC
KLAC
Q1 26
$10.2B
$5.8B
Q4 25
$3.7B
$5.5B
Q3 25
$4.0B
$5.0B
Q2 25
$3.7B
$4.7B
Q1 25
$3.5B
$4.0B
Q4 24
$3.4B
$3.6B
Q3 24
$3.6B
$3.6B
Q2 24
$3.9B
$3.4B
Total Assets
AMT
AMT
KLAC
KLAC
Q1 26
$16.9B
Q4 25
$63.2B
$16.7B
Q3 25
$63.9B
$16.3B
Q2 25
$63.8B
$16.1B
Q1 25
$62.1B
$15.2B
Q4 24
$61.1B
$15.0B
Q3 24
$62.8B
$15.7B
Q2 24
$65.8B
$15.4B
Debt / Equity
AMT
AMT
KLAC
KLAC
Q1 26
1.01×
Q4 25
9.26×
1.08×
Q3 25
8.82×
1.18×
Q2 25
9.48×
1.25×
Q1 25
9.63×
1.47×
Q4 24
9.70×
1.64×
Q3 24
9.16×
1.65×
Q2 24
9.24×
1.75×

Cash Flow & Capital Efficiency

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

Metric
AMT
AMT
KLAC
KLAC
Operating Cash FlowLast quarter
$707.5M
Free Cash FlowOCF − Capex
$941.0M
$622.3M
FCF MarginFCF / Revenue
34.4%
18.2%
Capex IntensityCapex / Revenue
16.8%
2.5%
Cash ConversionOCF / Net Profit
0.59×
TTM Free Cash FlowTrailing 4 quarters
$6.7B
$4.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMT
AMT
KLAC
KLAC
Q1 26
$707.5M
Q4 25
$5.5B
$1.4B
Q3 25
$1.5B
$1.2B
Q2 25
$1.3B
$1.2B
Q1 25
$1.3B
$1.1B
Q4 24
$5.3B
$849.5M
Q3 24
$1.5B
$995.2M
Q2 24
$1.3B
$892.6M
Free Cash Flow
AMT
AMT
KLAC
KLAC
Q1 26
$941.0M
$622.3M
Q4 25
$3.8B
$1.3B
Q3 25
$994.5M
$1.1B
Q2 25
$976.9M
$1.1B
Q1 25
$963.9M
$990.0M
Q4 24
$3.7B
$757.2M
Q3 24
$1.0B
$934.8M
Q2 24
$1.0B
$831.9M
FCF Margin
AMT
AMT
KLAC
KLAC
Q1 26
34.4%
18.2%
Q4 25
138.2%
38.3%
Q3 25
36.6%
33.2%
Q2 25
37.2%
33.5%
Q1 25
37.6%
32.3%
Q4 24
145.3%
24.6%
Q3 24
41.4%
32.9%
Q2 24
39.8%
32.4%
Capex Intensity
AMT
AMT
KLAC
KLAC
Q1 26
16.8%
2.5%
Q4 25
61.4%
3.2%
Q3 25
17.1%
3.0%
Q2 25
11.6%
3.2%
Q1 25
12.9%
2.7%
Q4 24
62.4%
3.0%
Q3 24
16.8%
2.1%
Q2 24
12.8%
2.4%
Cash Conversion
AMT
AMT
KLAC
KLAC
Q1 26
0.59×
Q4 25
6.53×
1.19×
Q3 25
1.60×
1.04×
Q2 25
3.37×
0.97×
Q1 25
2.60×
0.99×
Q4 24
4.30×
1.03×
Q3 24
1.05×
Q2 24
1.47×
1.07×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMT
AMT

Segment breakdown not available.

KLAC
KLAC

Semiconductor Process Control$3.1B90%
PCB and Component Inspection$167.6M5%
Specialty Semiconductor Process$164.0M5%

Related Comparisons