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

NiSource is the larger business by last-quarter revenue ($1.9B vs $1.7B, roughly 1.1× HANOVER INSURANCE GROUP, INC.). NiSource runs the higher net margin — 13.7% vs 11.0%, a 2.7% gap on every dollar of revenue. On growth, NiSource posted the faster year-over-year revenue change (22.5% vs 6.1%). Over the past eight quarters, NiSource's revenue compounded faster (7.2% CAGR vs 5.2%).

NiSource Inc. is one of the largest fully regulated utility companies in the United States, serving approximately 3.5 million natural gas customers and 500,000 electric customers across six states through its local Columbia Gas and NIPSCO brands. The company, based in Merrillville, Indiana, has more than 8,000 employees. As of 2018, NiSource is the sole Indiana-based utility company.

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.

NI vs THG — Head-to-Head

Bigger by revenue
NI
NI
1.1× larger
NI
$1.9B
$1.7B
THG
Growing faster (revenue YoY)
NI
NI
+16.4% gap
NI
22.5%
6.1%
THG
Higher net margin
NI
NI
2.7% more per $
NI
13.7%
11.0%
THG
Faster 2-yr revenue CAGR
NI
NI
Annualised
NI
7.2%
5.2%
THG

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
NI
NI
THG
THG
Revenue
$1.9B
$1.7B
Net Profit
$257.8M
$186.8M
Gross Margin
Operating Margin
27.3%
11.1%
Net Margin
13.7%
11.0%
Revenue YoY
22.5%
6.1%
Net Profit YoY
15.1%
45.7%
EPS (diluted)
$0.53

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
NI
NI
THG
THG
Q1 26
$1.7B
Q4 25
$1.9B
$1.7B
Q3 25
$1.2B
$1.7B
Q2 25
$1.2B
$1.7B
Q1 25
$2.1B
$1.6B
Q4 24
$1.5B
$1.6B
Q3 24
$1.0B
$1.6B
Q2 24
$1.1B
$1.5B
Net Profit
NI
NI
THG
THG
Q1 26
$186.8M
Q4 25
$257.8M
$198.5M
Q3 25
$94.7M
$178.7M
Q2 25
$102.2M
$157.1M
Q1 25
$474.8M
$128.2M
Q4 24
$223.9M
$167.9M
Q3 24
$85.7M
$102.1M
Q2 24
$85.8M
$40.5M
Operating Margin
NI
NI
THG
THG
Q1 26
11.1%
Q4 25
27.3%
17.3%
Q3 25
24.0%
14.9%
Q2 25
21.1%
12.7%
Q1 25
35.3%
11.6%
Q4 24
27.1%
16.1%
Q3 24
20.9%
9.6%
Q2 24
22.5%
6.2%
Net Margin
NI
NI
THG
THG
Q1 26
11.0%
Q4 25
13.7%
11.9%
Q3 25
7.6%
10.7%
Q2 25
8.2%
9.5%
Q1 25
22.1%
8.0%
Q4 24
14.5%
10.6%
Q3 24
8.2%
6.5%
Q2 24
8.1%
2.6%
EPS (diluted)
NI
NI
THG
THG
Q1 26
Q4 25
$0.53
$5.46
Q3 25
$0.20
$4.90
Q2 25
$0.22
$4.30
Q1 25
$1.00
$3.50
Q4 24
$0.47
$4.60
Q3 24
$0.19
$2.80
Q2 24
$0.19
$1.12

Balance Sheet & Financial Strength

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

Metric
NI
NI
THG
THG
Cash + ST InvestmentsLiquidity on hand
$110.1M
$243.5M
Total DebtLower is stronger
$15.5B
$843.8M
Stockholders' EquityBook value
$9.5B
$3.0B
Total Assets
$35.9B
$16.5B
Debt / EquityLower = less leverage
1.64×
0.28×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NI
NI
THG
THG
Q1 26
$243.5M
Q4 25
$110.1M
$1.1B
Q3 25
$95.0M
$915.7M
Q2 25
$335.4M
$244.1M
Q1 25
$259.4M
$315.1M
Q4 24
$156.6M
$435.5M
Q3 24
$126.2M
$427.1M
Q2 24
$101.2M
$337.6M
Total Debt
NI
NI
THG
THG
Q1 26
$843.8M
Q4 25
$15.5B
$843.3M
Q3 25
$14.5B
$843.0M
Q2 25
$14.5B
$347.8M
Q1 25
$12.8B
$722.5M
Q4 24
$12.1B
$722.3M
Q3 24
$12.1B
Q2 24
$12.8B
Stockholders' Equity
NI
NI
THG
THG
Q1 26
$3.0B
Q4 25
$9.5B
$3.6B
Q3 25
$9.1B
$3.4B
Q2 25
$8.9B
$3.2B
Q1 25
$8.9B
$3.0B
Q4 24
$8.7B
$2.8B
Q3 24
$8.3B
$2.9B
Q2 24
$7.9B
$2.6B
Total Assets
NI
NI
THG
THG
Q1 26
$16.5B
Q4 25
$35.9B
$16.9B
Q3 25
$34.4B
$16.8B
Q2 25
$34.0B
$15.7B
Q1 25
$33.1B
$15.5B
Q4 24
$31.8B
$15.3B
Q3 24
$30.8B
$15.4B
Q2 24
$29.9B
$14.9B
Debt / Equity
NI
NI
THG
THG
Q1 26
0.28×
Q4 25
1.64×
0.24×
Q3 25
1.59×
0.25×
Q2 25
1.63×
0.11×
Q1 25
1.44×
0.24×
Q4 24
1.39×
0.25×
Q3 24
1.45×
Q2 24
1.63×

Cash Flow & Capital Efficiency

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

Metric
NI
NI
THG
THG
Operating Cash FlowLast quarter
$712.6M
Free Cash FlowOCF − Capex
$-133.7M
FCF MarginFCF / Revenue
-7.1%
Capex IntensityCapex / Revenue
44.9%
Cash ConversionOCF / Net Profit
2.76×
TTM Free Cash FlowTrailing 4 quarters
$-420.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NI
NI
THG
THG
Q1 26
Q4 25
$712.6M
$378.2M
Q3 25
$467.9M
$554.4M
Q2 25
$495.4M
$206.6M
Q1 25
$686.4M
$38.9M
Q4 24
$539.8M
$213.5M
Q3 24
$340.0M
$394.7M
Q2 24
$445.5M
$139.5M
Free Cash Flow
NI
NI
THG
THG
Q1 26
Q4 25
$-133.7M
$377.0M
Q3 25
$-172.6M
$551.4M
Q2 25
$-162.8M
$204.9M
Q1 25
$49.1M
$37.1M
Q4 24
$-220.2M
$210.5M
Q3 24
$-294.7M
$392.3M
Q2 24
$-184.3M
$137.3M
FCF Margin
NI
NI
THG
THG
Q1 26
Q4 25
-7.1%
22.6%
Q3 25
-13.9%
33.1%
Q2 25
-13.1%
12.4%
Q1 25
2.3%
2.3%
Q4 24
-14.3%
13.3%
Q3 24
-28.2%
25.1%
Q2 24
-17.5%
8.9%
Capex Intensity
NI
NI
THG
THG
Q1 26
Q4 25
44.9%
0.1%
Q3 25
51.6%
0.2%
Q2 25
52.8%
0.1%
Q1 25
29.6%
0.1%
Q4 24
49.4%
0.2%
Q3 24
60.7%
0.2%
Q2 24
59.7%
0.1%
Cash Conversion
NI
NI
THG
THG
Q1 26
Q4 25
2.76×
1.91×
Q3 25
4.94×
3.10×
Q2 25
4.85×
1.32×
Q1 25
1.45×
0.30×
Q4 24
2.41×
1.27×
Q3 24
3.97×
3.87×
Q2 24
5.19×
3.44×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NI
NI

Residential$703.6M37%
Ni Source Electric Generation And Power Delivery$525.6M28%
NIPSCO Gas Distribution$348.1M18%
Commercial$235.9M13%
Industrial$45.9M2%
Offsystem$16.9M1%
Misc.$9.6M1%
Related Party$3.3M0%

THG
THG

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

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