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Side-by-side financial comparison of RLI CORP (RLI) and ADVANCED DRAINAGE SYSTEMS, INC. (WMS). Click either name above to swap in a different company.

ADVANCED DRAINAGE SYSTEMS, INC. is the larger business by last-quarter revenue ($693.4M vs $465.7M, roughly 1.5× RLI CORP). RLI CORP runs the higher net margin — 19.6% vs 13.5%, a 6.1% gap on every dollar of revenue. On growth, RLI CORP posted the faster year-over-year revenue change (6.1% vs 0.4%). ADVANCED DRAINAGE SYSTEMS, INC. produced more free cash flow last quarter ($183.6M vs $155.0M). Over the past eight quarters, ADVANCED DRAINAGE SYSTEMS, INC.'s revenue compounded faster (3.0% CAGR vs 2.3%).

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

Advanced Drainage Systems, Inc. (ADS) is an American company that designs, manufactures and markets polypropylene and polyethylene pipes, plastic leach field chambers and systems, septic tanks and accessories, storm retention/detention and septic chambers, polyvinyl chloride drainage structures, fittings, and water filters and water separators. It is the largest maker of high-density polyethylene pipe in the United States. It is headquartered in Hilliard, Ohio. In 2020, 93% of the company's s...

RLI vs WMS — Head-to-Head

Bigger by revenue
WMS
WMS
1.5× larger
WMS
$693.4M
$465.7M
RLI
Growing faster (revenue YoY)
RLI
RLI
+5.6% gap
RLI
6.1%
0.4%
WMS
Higher net margin
RLI
RLI
6.1% more per $
RLI
19.6%
13.5%
WMS
More free cash flow
WMS
WMS
$28.6M more FCF
WMS
$183.6M
$155.0M
RLI
Faster 2-yr revenue CAGR
WMS
WMS
Annualised
WMS
3.0%
2.3%
RLI

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
RLI
RLI
WMS
WMS
Revenue
$465.7M
$693.4M
Net Profit
$91.2M
$93.6M
Gross Margin
37.4%
Operating Margin
24.4%
19.7%
Net Margin
19.6%
13.5%
Revenue YoY
6.1%
0.4%
Net Profit YoY
123.1%
15.3%
EPS (diluted)
$1.00
$1.19

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
WMS
WMS
Q4 25
$465.7M
$693.4M
Q3 25
$509.3M
$850.4M
Q2 25
$499.8M
$829.9M
Q1 25
$407.7M
$615.8M
Q4 24
$439.1M
$690.5M
Q3 24
$470.0M
$782.6M
Q2 24
$416.4M
$815.3M
Q1 24
$444.8M
$653.8M
Net Profit
RLI
RLI
WMS
WMS
Q4 25
$91.2M
$93.6M
Q3 25
$124.6M
$156.0M
Q2 25
$124.3M
$143.9M
Q1 25
$63.2M
$77.2M
Q4 24
$40.9M
$81.2M
Q3 24
$95.0M
$130.4M
Q2 24
$82.0M
$161.4M
Q1 24
$127.9M
$94.8M
Gross Margin
RLI
RLI
WMS
WMS
Q4 25
37.4%
Q3 25
40.0%
Q2 25
39.8%
Q1 25
36.7%
Q4 24
35.0%
Q3 24
37.6%
Q2 24
40.8%
Q1 24
38.5%
Operating Margin
RLI
RLI
WMS
WMS
Q4 25
24.4%
19.7%
Q3 25
30.9%
26.3%
Q2 25
31.3%
24.8%
Q1 25
19.3%
19.0%
Q4 24
10.8%
18.4%
Q3 24
24.9%
23.9%
Q2 24
24.8%
27.7%
Q1 24
36.0%
20.7%
Net Margin
RLI
RLI
WMS
WMS
Q4 25
19.6%
13.5%
Q3 25
24.5%
18.3%
Q2 25
24.9%
17.3%
Q1 25
15.5%
12.5%
Q4 24
9.3%
11.8%
Q3 24
20.2%
16.7%
Q2 24
19.7%
19.8%
Q1 24
28.8%
14.5%
EPS (diluted)
RLI
RLI
WMS
WMS
Q4 25
$1.00
$1.19
Q3 25
$1.35
$1.99
Q2 25
$1.34
$1.84
Q1 25
$0.68
$0.99
Q4 24
$-2.87
$1.04
Q3 24
$2.06
$1.67
Q2 24
$1.78
$2.06
Q1 24
$2.77
$1.22

Balance Sheet & Financial Strength

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

Metric
RLI
RLI
WMS
WMS
Cash + ST InvestmentsLiquidity on hand
$1.0B
Total DebtLower is stronger
Stockholders' EquityBook value
$1.8B
$1.9B
Total Assets
$6.2B
$4.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
RLI
RLI
WMS
WMS
Q4 25
$1.0B
Q3 25
$812.9M
Q2 25
$638.3M
Q1 25
$463.3M
Q4 24
$488.9M
Q3 24
$613.0M
Q2 24
$541.6M
Q1 24
$490.2M
Total Debt
RLI
RLI
WMS
WMS
Q4 25
Q3 25
$100.0M
Q2 25
$100.0M
Q1 25
$100.0M
$1.3B
Q4 24
$100.0M
Q3 24
$100.0M
Q2 24
$100.0M
Q1 24
$100.0M
$1.3B
Stockholders' Equity
RLI
RLI
WMS
WMS
Q4 25
$1.8B
$1.9B
Q3 25
$1.9B
$1.8B
Q2 25
$1.7B
$1.7B
Q1 25
$1.6B
$1.5B
Q4 24
$1.5B
$1.5B
Q3 24
$1.7B
$1.4B
Q2 24
$1.6B
$1.3B
Q1 24
$1.5B
$1.2B
Total Assets
RLI
RLI
WMS
WMS
Q4 25
$6.2B
$4.1B
Q3 25
$6.2B
$4.1B
Q2 25
$6.0B
$3.9B
Q1 25
$5.7B
$3.7B
Q4 24
$5.6B
$3.6B
Q3 24
$5.8B
$3.5B
Q2 24
$5.5B
$3.4B
Q1 24
$5.3B
$3.3B
Debt / Equity
RLI
RLI
WMS
WMS
Q4 25
Q3 25
0.05×
Q2 25
0.06×
Q1 25
0.06×
0.83×
Q4 24
0.07×
Q3 24
0.06×
Q2 24
0.06×
Q1 24
0.07×
1.11×

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
WMS
WMS
Operating Cash FlowLast quarter
$156.8M
$269.3M
Free Cash FlowOCF − Capex
$155.0M
$183.6M
FCF MarginFCF / Revenue
33.3%
26.5%
Capex IntensityCapex / Revenue
0.4%
12.4%
Cash ConversionOCF / Net Profit
1.72×
2.88×
TTM Free Cash FlowTrailing 4 quarters
$608.7M
$577.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
RLI
RLI
WMS
WMS
Q4 25
$156.8M
$269.3M
Q3 25
$179.2M
$234.9M
Q2 25
$174.7M
$275.0M
Q1 25
$103.5M
$41.2M
Q4 24
$128.1M
$189.9M
Q3 24
$219.4M
$166.9M
Q2 24
$141.8M
$183.4M
Q1 24
$70.9M
$17.7M
Free Cash Flow
RLI
RLI
WMS
WMS
Q4 25
$155.0M
$183.6M
Q3 25
$177.8M
$176.4M
Q2 25
$173.4M
$222.4M
Q1 25
$102.5M
$-5.3M
Q4 24
$127.6M
$135.7M
Q3 24
$219.0M
$112.4M
Q2 24
$139.1M
$125.7M
Q1 24
$69.9M
$-29.8M
FCF Margin
RLI
RLI
WMS
WMS
Q4 25
33.3%
26.5%
Q3 25
34.9%
20.7%
Q2 25
34.7%
26.8%
Q1 25
25.1%
-0.9%
Q4 24
29.0%
19.7%
Q3 24
46.6%
14.4%
Q2 24
33.4%
15.4%
Q1 24
15.7%
-4.6%
Capex Intensity
RLI
RLI
WMS
WMS
Q4 25
0.4%
12.4%
Q3 25
0.3%
6.9%
Q2 25
0.3%
6.3%
Q1 25
0.3%
7.6%
Q4 24
0.1%
7.9%
Q3 24
0.1%
7.0%
Q2 24
0.7%
7.1%
Q1 24
0.2%
7.3%
Cash Conversion
RLI
RLI
WMS
WMS
Q4 25
1.72×
2.88×
Q3 25
1.44×
1.51×
Q2 25
1.41×
1.91×
Q1 25
1.64×
0.53×
Q4 24
3.13×
2.34×
Q3 24
2.31×
1.28×
Q2 24
1.73×
1.14×
Q1 24
0.55×
0.19×

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%

WMS
WMS

Reportable Segment Aggregation Before Other Operating Segment$557.3M80%
Other$85.5M12%
Pipe$35.5M5%
Allied Products And Other$15.0M2%

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