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Side-by-side financial comparison of Okeanis Eco Tankers Corp. (ECO) 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 $393.2M, roughly 1.8× Okeanis Eco Tankers Corp.). Over the past eight quarters, Okeanis Eco Tankers Corp.'s revenue compounded faster (20.5% CAGR vs 3.0%).

Okeanis Eco Tankers Corp. is a global shipping enterprise specializing in the operation of eco-friendly tanker fleets. Its core business covers maritime transport of crude oil and refined petroleum products, serving major energy and commodity clients across key international trade routes, with a focus on cutting carbon emissions via energy-efficient vessel designs.

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...

ECO vs WMS — Head-to-Head

Bigger by revenue
WMS
WMS
1.8× larger
WMS
$693.4M
$393.2M
ECO
Faster 2-yr revenue CAGR
ECO
ECO
Annualised
ECO
20.5%
3.0%
WMS

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
ECO
ECO
WMS
WMS
Revenue
$393.2M
$693.4M
Net Profit
$93.6M
Gross Margin
37.4%
Operating Margin
41.4%
19.7%
Net Margin
13.5%
Revenue YoY
0.4%
Net Profit YoY
15.3%
EPS (diluted)
$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
ECO
ECO
WMS
WMS
Q4 25
$393.2M
$693.4M
Q3 25
$308.0M
$850.4M
Q2 25
$-49.0M
$829.9M
Q1 25
$111.1M
$615.8M
Q4 24
$413.1M
$690.5M
Q3 24
$321.4M
$782.6M
Q2 24
$232.4M
$815.3M
Q1 24
$653.8M
Net Profit
ECO
ECO
WMS
WMS
Q4 25
$93.6M
Q3 25
$156.0M
Q2 25
$143.9M
Q1 25
$77.2M
Q4 24
$81.2M
Q3 24
$130.4M
Q2 24
$161.4M
Q1 24
$94.8M
Gross Margin
ECO
ECO
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
ECO
ECO
WMS
WMS
Q4 25
41.4%
19.7%
Q3 25
44.2%
26.3%
Q2 25
101.1%
24.8%
Q1 25
49.6%
19.0%
Q4 24
48.7%
18.4%
Q3 24
52.0%
23.9%
Q2 24
56.7%
27.7%
Q1 24
20.7%
Net Margin
ECO
ECO
WMS
WMS
Q4 25
13.5%
Q3 25
18.3%
Q2 25
17.3%
Q1 25
12.5%
Q4 24
11.8%
Q3 24
16.7%
Q2 24
19.8%
Q1 24
14.5%
EPS (diluted)
ECO
ECO
WMS
WMS
Q4 25
$1.19
Q3 25
$1.99
Q2 25
$1.84
Q1 25
$0.99
Q4 24
$1.04
Q3 24
$1.67
Q2 24
$2.06
Q1 24
$1.22

Balance Sheet & Financial Strength

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

Metric
ECO
ECO
WMS
WMS
Cash + ST InvestmentsLiquidity on hand
$116.6M
$1.0B
Total DebtLower is stronger
Stockholders' EquityBook value
$573.1M
$1.9B
Total Assets
$1.2B
$4.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ECO
ECO
WMS
WMS
Q4 25
$116.6M
$1.0B
Q3 25
$812.9M
Q2 25
$59.8M
$638.3M
Q1 25
$463.3M
Q4 24
$49.3M
$488.9M
Q3 24
$613.0M
Q2 24
$92.8M
$541.6M
Q1 24
$490.2M
Total Debt
ECO
ECO
WMS
WMS
Q4 25
Q3 25
Q2 25
Q1 25
$1.3B
Q4 24
Q3 24
Q2 24
Q1 24
$1.3B
Stockholders' Equity
ECO
ECO
WMS
WMS
Q4 25
$573.1M
$1.9B
Q3 25
$1.8B
Q2 25
$428.3M
$1.7B
Q1 25
$1.5B
Q4 24
$410.4M
$1.5B
Q3 24
$1.4B
Q2 24
$432.6M
$1.3B
Q1 24
$1.2B
Total Assets
ECO
ECO
WMS
WMS
Q4 25
$1.2B
$4.1B
Q3 25
$4.1B
Q2 25
$1.1B
$3.9B
Q1 25
$3.7B
Q4 24
$1.1B
$3.6B
Q3 24
$3.5B
Q2 24
$1.1B
$3.4B
Q1 24
$3.3B
Debt / Equity
ECO
ECO
WMS
WMS
Q4 25
Q3 25
Q2 25
Q1 25
0.83×
Q4 24
Q3 24
Q2 24
Q1 24
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
ECO
ECO
WMS
WMS
Operating Cash FlowLast quarter
$111.3M
$269.3M
Free Cash FlowOCF − Capex
$183.6M
FCF MarginFCF / Revenue
26.5%
Capex IntensityCapex / Revenue
12.4%
Cash ConversionOCF / Net Profit
2.88×
TTM Free Cash FlowTrailing 4 quarters
$577.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ECO
ECO
WMS
WMS
Q4 25
$111.3M
$269.3M
Q3 25
$132.2M
$234.9M
Q2 25
$275.0M
Q1 25
$41.2M
Q4 24
$162.8M
$189.9M
Q3 24
$166.9M
Q2 24
$183.4M
Q1 24
$17.7M
Free Cash Flow
ECO
ECO
WMS
WMS
Q4 25
$183.6M
Q3 25
$176.4M
Q2 25
$222.4M
Q1 25
$-5.3M
Q4 24
$135.7M
Q3 24
$112.4M
Q2 24
$125.7M
Q1 24
$-29.8M
FCF Margin
ECO
ECO
WMS
WMS
Q4 25
26.5%
Q3 25
20.7%
Q2 25
26.8%
Q1 25
-0.9%
Q4 24
19.7%
Q3 24
14.4%
Q2 24
15.4%
Q1 24
-4.6%
Capex Intensity
ECO
ECO
WMS
WMS
Q4 25
12.4%
Q3 25
6.9%
Q2 25
6.3%
Q1 25
7.6%
Q4 24
7.9%
Q3 24
7.0%
Q2 24
7.1%
Q1 24
7.3%
Cash Conversion
ECO
ECO
WMS
WMS
Q4 25
2.88×
Q3 25
1.51×
Q2 25
1.91×
Q1 25
0.53×
Q4 24
2.34×
Q3 24
1.28×
Q2 24
1.14×
Q1 24
0.19×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ECO
ECO

Segment breakdown not available.

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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