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Side-by-side financial comparison of RLI CORP (RLI) and WATTS WATER TECHNOLOGIES INC (WTS). Click either name above to swap in a different company.

WATTS WATER TECHNOLOGIES INC is the larger business by last-quarter revenue ($625.1M vs $465.7M, roughly 1.3× RLI CORP). RLI CORP runs the higher net margin — 19.6% vs 13.4%, a 6.2% gap on every dollar of revenue. On growth, WATTS WATER TECHNOLOGIES INC posted the faster year-over-year revenue change (15.7% vs 6.1%). RLI CORP produced more free cash flow last quarter ($155.0M vs $140.3M). Over the past eight quarters, WATTS WATER TECHNOLOGIES INC's revenue compounded faster (4.6% CAGR vs 2.3%).

RLI Corp. is an American insurance company specializing in property insurance and casualty insurance. It is headquartered in Peoria, Illinois.

AERCO International, Inc. is a manufacturer and supplier of commercial condensing boilers, high efficiency water heating equipment and energy recovery systems in the HVAC/plumbing industry across a variety of markets including education, lodging, government, office buildings, healthcare, industrial and multifamily housing. In 1949, AERCO introduced the industry's first semi-instantaneous, tankless steam-to-water water heater. In 1988, AERCO introduced the first condensing and fully modulating...

RLI vs WTS — Head-to-Head

Bigger by revenue
WTS
WTS
1.3× larger
WTS
$625.1M
$465.7M
RLI
Growing faster (revenue YoY)
WTS
WTS
+9.6% gap
WTS
15.7%
6.1%
RLI
Higher net margin
RLI
RLI
6.2% more per $
RLI
19.6%
13.4%
WTS
More free cash flow
RLI
RLI
$14.7M more FCF
RLI
$155.0M
$140.3M
WTS
Faster 2-yr revenue CAGR
WTS
WTS
Annualised
WTS
4.6%
2.3%
RLI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
RLI
RLI
WTS
WTS
Revenue
$465.7M
$625.1M
Net Profit
$91.2M
$83.7M
Gross Margin
49.5%
Operating Margin
24.4%
18.2%
Net Margin
19.6%
13.4%
Revenue YoY
6.1%
15.7%
Net Profit YoY
123.1%
24.0%
EPS (diluted)
$1.00
$2.50

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
RLI
RLI
WTS
WTS
Q4 25
$465.7M
$625.1M
Q3 25
$509.3M
$611.7M
Q2 25
$499.8M
$643.7M
Q1 25
$407.7M
$558.0M
Q4 24
$439.1M
$540.4M
Q3 24
$470.0M
$543.6M
Q2 24
$416.4M
$597.3M
Q1 24
$444.8M
$570.9M
Net Profit
RLI
RLI
WTS
WTS
Q4 25
$91.2M
$83.7M
Q3 25
$124.6M
$82.2M
Q2 25
$124.3M
$100.9M
Q1 25
$63.2M
$74.0M
Q4 24
$40.9M
$67.5M
Q3 24
$95.0M
$69.1M
Q2 24
$82.0M
$82.0M
Q1 24
$127.9M
$72.6M
Gross Margin
RLI
RLI
WTS
WTS
Q4 25
49.5%
Q3 25
48.8%
Q2 25
50.6%
Q1 25
48.8%
Q4 24
46.7%
Q3 24
47.3%
Q2 24
47.7%
Q1 24
46.9%
Operating Margin
RLI
RLI
WTS
WTS
Q4 25
24.4%
18.2%
Q3 25
30.9%
18.2%
Q2 25
31.3%
21.0%
Q1 25
19.3%
15.7%
Q4 24
10.8%
16.5%
Q3 24
24.9%
17.1%
Q2 24
24.8%
18.7%
Q1 24
36.0%
16.9%
Net Margin
RLI
RLI
WTS
WTS
Q4 25
19.6%
13.4%
Q3 25
24.5%
13.4%
Q2 25
24.9%
15.7%
Q1 25
15.5%
13.3%
Q4 24
9.3%
12.5%
Q3 24
20.2%
12.7%
Q2 24
19.7%
13.7%
Q1 24
28.8%
12.7%
EPS (diluted)
RLI
RLI
WTS
WTS
Q4 25
$1.00
$2.50
Q3 25
$1.35
$2.45
Q2 25
$1.34
$3.01
Q1 25
$0.68
$2.21
Q4 24
$-2.87
$2.02
Q3 24
$2.06
$2.06
Q2 24
$1.78
$2.44
Q1 24
$2.77
$2.17

Balance Sheet & Financial Strength

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

Metric
RLI
RLI
WTS
WTS
Cash + ST InvestmentsLiquidity on hand
$405.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.8B
$2.0B
Total Assets
$6.2B
$2.9B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
RLI
RLI
WTS
WTS
Q4 25
$405.5M
Q3 25
$457.7M
Q2 25
$369.3M
Q1 25
$336.8M
Q4 24
$386.9M
Q3 24
$303.9M
Q2 24
$279.4M
Q1 24
$237.1M
Total Debt
RLI
RLI
WTS
WTS
Q4 25
Q3 25
$100.0M
Q2 25
$100.0M
Q1 25
$100.0M
Q4 24
$100.0M
Q3 24
$100.0M
Q2 24
$100.0M
Q1 24
$100.0M
Stockholders' Equity
RLI
RLI
WTS
WTS
Q4 25
$1.8B
$2.0B
Q3 25
$1.9B
$2.0B
Q2 25
$1.7B
$1.9B
Q1 25
$1.6B
$1.8B
Q4 24
$1.5B
$1.7B
Q3 24
$1.7B
$1.7B
Q2 24
$1.6B
$1.6B
Q1 24
$1.5B
$1.6B
Total Assets
RLI
RLI
WTS
WTS
Q4 25
$6.2B
$2.9B
Q3 25
$6.2B
$2.7B
Q2 25
$6.0B
$2.6B
Q1 25
$5.7B
$2.5B
Q4 24
$5.6B
$2.4B
Q3 24
$5.8B
$2.4B
Q2 24
$5.5B
$2.4B
Q1 24
$5.3B
$2.3B
Debt / Equity
RLI
RLI
WTS
WTS
Q4 25
Q3 25
0.05×
Q2 25
0.06×
Q1 25
0.06×
Q4 24
0.07×
Q3 24
0.06×
Q2 24
0.06×
Q1 24
0.07×

Cash Flow & Capital Efficiency

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

Metric
RLI
RLI
WTS
WTS
Operating Cash FlowLast quarter
$156.8M
$154.7M
Free Cash FlowOCF − Capex
$155.0M
$140.3M
FCF MarginFCF / Revenue
33.3%
22.4%
Capex IntensityCapex / Revenue
0.4%
2.3%
Cash ConversionOCF / Net Profit
1.72×
1.85×
TTM Free Cash FlowTrailing 4 quarters
$608.7M
$356.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
RLI
RLI
WTS
WTS
Q4 25
$156.8M
$154.7M
Q3 25
$179.2M
$122.4M
Q2 25
$174.7M
$69.7M
Q1 25
$103.5M
$55.2M
Q4 24
$128.1M
$139.5M
Q3 24
$219.4M
$90.7M
Q2 24
$141.8M
$85.3M
Q1 24
$70.9M
$45.6M
Free Cash Flow
RLI
RLI
WTS
WTS
Q4 25
$155.0M
$140.3M
Q3 25
$177.8M
$110.9M
Q2 25
$173.4M
$59.5M
Q1 25
$102.5M
$45.6M
Q4 24
$127.6M
$127.5M
Q3 24
$219.0M
$84.3M
Q2 24
$139.1M
$78.5M
Q1 24
$69.9M
$35.5M
FCF Margin
RLI
RLI
WTS
WTS
Q4 25
33.3%
22.4%
Q3 25
34.9%
18.1%
Q2 25
34.7%
9.2%
Q1 25
25.1%
8.2%
Q4 24
29.0%
23.6%
Q3 24
46.6%
15.5%
Q2 24
33.4%
13.1%
Q1 24
15.7%
6.2%
Capex Intensity
RLI
RLI
WTS
WTS
Q4 25
0.4%
2.3%
Q3 25
0.3%
1.9%
Q2 25
0.3%
1.6%
Q1 25
0.3%
1.7%
Q4 24
0.1%
2.2%
Q3 24
0.1%
1.2%
Q2 24
0.7%
1.1%
Q1 24
0.2%
1.8%
Cash Conversion
RLI
RLI
WTS
WTS
Q4 25
1.72×
1.85×
Q3 25
1.44×
1.49×
Q2 25
1.41×
0.69×
Q1 25
1.64×
0.75×
Q4 24
3.13×
2.07×
Q3 24
2.31×
1.31×
Q2 24
1.73×
1.04×
Q1 24
0.55×
0.63×

Financial Flow Comparison

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

Revenue Breakdown by Segment

RLI
RLI

Casualty Segment$246.8M53%
Property Insurance Segment$122.5M26%
Other$59.3M13%
Surety Insurance Segment$37.1M8%

WTS
WTS

Segment breakdown not available.

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