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Side-by-side financial comparison of American Tower (AMT) and HANOVER INSURANCE GROUP, INC. (THG). Click either name above to swap in a different company.

American Tower is the larger business by last-quarter revenue ($2.7B vs $1.7B, roughly 1.6× HANOVER INSURANCE GROUP, INC.). American Tower runs the higher net margin — 110.1% vs 11.0%, a 99.1% gap on every dollar of revenue. Over the past eight quarters, HANOVER INSURANCE GROUP, INC.'s revenue compounded faster (5.2% 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.

The Hanover Insurance Group, Inc. is an insurance company based in Worcester, Massachusetts. It was the original name of a property-liability insurance firm established in 1852, and it remained a publicly traded company under that name until the early 1990s, when it changed its name to Allmerica Property & Casualty Companies.

AMT vs THG — Head-to-Head

Bigger by revenue
AMT
AMT
1.6× larger
AMT
$2.7B
$1.7B
THG
Higher net margin
AMT
AMT
99.1% more per $
AMT
110.1%
11.0%
THG
Faster 2-yr revenue CAGR
THG
THG
Annualised
THG
5.2%
3.7%
AMT

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
AMT
AMT
THG
THG
Revenue
$2.7B
$1.7B
Net Profit
$3.0B
$186.8M
Gross Margin
Operating Margin
0.0%
11.1%
Net Margin
110.1%
11.0%
Revenue YoY
6.1%
Net Profit YoY
45.7%
EPS (diluted)

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
THG
THG
Q1 26
$2.7B
$1.7B
Q4 25
$2.7B
$1.7B
Q3 25
$2.7B
$1.7B
Q2 25
$2.6B
$1.7B
Q1 25
$2.6B
$1.6B
Q4 24
$2.5B
$1.6B
Q3 24
$2.5B
$1.6B
Q2 24
$2.5B
$1.5B
Net Profit
AMT
AMT
THG
THG
Q1 26
$3.0B
$186.8M
Q4 25
$836.8M
$198.5M
Q3 25
$912.6M
$178.7M
Q2 25
$380.5M
$157.1M
Q1 25
$498.6M
$128.2M
Q4 24
$1.2B
$167.9M
Q3 24
$-780.4M
$102.1M
Q2 24
$908.4M
$40.5M
Operating Margin
AMT
AMT
THG
THG
Q1 26
0.0%
11.1%
Q4 25
42.4%
17.3%
Q3 25
45.4%
14.9%
Q2 25
45.6%
12.7%
Q1 25
48.9%
11.6%
Q4 24
42.4%
16.1%
Q3 24
45.2%
9.6%
Q2 24
45.4%
6.2%
Net Margin
AMT
AMT
THG
THG
Q1 26
110.1%
11.0%
Q4 25
30.6%
11.9%
Q3 25
33.6%
10.7%
Q2 25
14.5%
9.5%
Q1 25
19.5%
8.0%
Q4 24
48.3%
10.6%
Q3 24
-30.9%
6.5%
Q2 24
35.7%
2.6%
EPS (diluted)
AMT
AMT
THG
THG
Q1 26
Q4 25
$1.76
$5.46
Q3 25
$1.82
$4.90
Q2 25
$0.78
$4.30
Q1 25
$1.04
$3.50
Q4 24
$2.63
$4.60
Q3 24
$-1.69
$2.80
Q2 24
$1.92
$1.12

Balance Sheet & Financial Strength

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

Metric
AMT
AMT
THG
THG
Cash + ST InvestmentsLiquidity on hand
$1.6B
$243.5M
Total DebtLower is stronger
$843.8M
Stockholders' EquityBook value
$10.2B
$3.0B
Total Assets
$16.5B
Debt / EquityLower = less leverage
0.28×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMT
AMT
THG
THG
Q1 26
$1.6B
$243.5M
Q4 25
$1.5B
$1.1B
Q3 25
$2.0B
$915.7M
Q2 25
$2.1B
$244.1M
Q1 25
$2.1B
$315.1M
Q4 24
$2.0B
$435.5M
Q3 24
$2.2B
$427.1M
Q2 24
$2.2B
$337.6M
Total Debt
AMT
AMT
THG
THG
Q1 26
$843.8M
Q4 25
$33.8B
$843.3M
Q3 25
$34.9B
$843.0M
Q2 25
$35.2B
$347.8M
Q1 25
$34.0B
$722.5M
Q4 24
$32.8B
$722.3M
Q3 24
$33.4B
Q2 24
$35.6B
Stockholders' Equity
AMT
AMT
THG
THG
Q1 26
$10.2B
$3.0B
Q4 25
$3.7B
$3.6B
Q3 25
$4.0B
$3.4B
Q2 25
$3.7B
$3.2B
Q1 25
$3.5B
$3.0B
Q4 24
$3.4B
$2.8B
Q3 24
$3.6B
$2.9B
Q2 24
$3.9B
$2.6B
Total Assets
AMT
AMT
THG
THG
Q1 26
$16.5B
Q4 25
$63.2B
$16.9B
Q3 25
$63.9B
$16.8B
Q2 25
$63.8B
$15.7B
Q1 25
$62.1B
$15.5B
Q4 24
$61.1B
$15.3B
Q3 24
$62.8B
$15.4B
Q2 24
$65.8B
$14.9B
Debt / Equity
AMT
AMT
THG
THG
Q1 26
0.28×
Q4 25
9.26×
0.24×
Q3 25
8.82×
0.25×
Q2 25
9.48×
0.11×
Q1 25
9.63×
0.24×
Q4 24
9.70×
0.25×
Q3 24
9.16×
Q2 24
9.24×

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
THG
THG
Operating Cash FlowLast quarter
Free Cash FlowOCF − Capex
$941.0M
FCF MarginFCF / Revenue
34.4%
Capex IntensityCapex / Revenue
16.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$6.7B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMT
AMT
THG
THG
Q1 26
Q4 25
$5.5B
$378.2M
Q3 25
$1.5B
$554.4M
Q2 25
$1.3B
$206.6M
Q1 25
$1.3B
$38.9M
Q4 24
$5.3B
$213.5M
Q3 24
$1.5B
$394.7M
Q2 24
$1.3B
$139.5M
Free Cash Flow
AMT
AMT
THG
THG
Q1 26
$941.0M
Q4 25
$3.8B
$377.0M
Q3 25
$994.5M
$551.4M
Q2 25
$976.9M
$204.9M
Q1 25
$963.9M
$37.1M
Q4 24
$3.7B
$210.5M
Q3 24
$1.0B
$392.3M
Q2 24
$1.0B
$137.3M
FCF Margin
AMT
AMT
THG
THG
Q1 26
34.4%
Q4 25
138.2%
22.6%
Q3 25
36.6%
33.1%
Q2 25
37.2%
12.4%
Q1 25
37.6%
2.3%
Q4 24
145.3%
13.3%
Q3 24
41.4%
25.1%
Q2 24
39.8%
8.9%
Capex Intensity
AMT
AMT
THG
THG
Q1 26
16.8%
Q4 25
61.4%
0.1%
Q3 25
17.1%
0.2%
Q2 25
11.6%
0.1%
Q1 25
12.9%
0.1%
Q4 24
62.4%
0.2%
Q3 24
16.8%
0.2%
Q2 24
12.8%
0.1%
Cash Conversion
AMT
AMT
THG
THG
Q1 26
Q4 25
6.53×
1.91×
Q3 25
1.60×
3.10×
Q2 25
3.37×
1.32×
Q1 25
2.60×
0.30×
Q4 24
4.30×
1.27×
Q3 24
3.87×
Q2 24
1.47×
3.44×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMT
AMT

Segment breakdown not available.

THG
THG

Premiums earned$1.6B92%
Other$124.6M7%
Fees and other income$6.2M0%

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