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Side-by-side financial comparison of American Water Works (AWK) and Montauk Renewables, Inc. (MNTK). Click either name above to swap in a different company.

American Water Works is the larger business by last-quarter revenue ($1.3B vs $43.4M, roughly 29.3× Montauk Renewables, Inc.). American Water Works runs the higher net margin — 18.7% vs 5.7%, a 13.0% gap on every dollar of revenue. On growth, Montauk Renewables, Inc. posted the faster year-over-year revenue change (56.7% vs 5.8%). Montauk Renewables, Inc. produced more free cash flow last quarter ($-41.1M vs $-385.0M). Over the past eight quarters, American Water Works's revenue compounded faster (12.6% CAGR vs 5.8%).

American Water Works Company, Inc., through its subsidiaries, provides water and wastewater services in the United States. It offers water and wastewater services to approximately 1,700 communities in 14 states serving approximately 3.4 million active customers. The company serves residential customers; commercial customers, including food and beverage providers, commercial property developers and proprietors, and energy suppliers; fire service and private fire customers; industrial customers...

Montauk Renewables, Inc. is a US-based renewable energy firm specializing in capturing and converting biogenic methane from landfills and agricultural waste into renewable natural gas (RNG) and low-carbon electricity. It serves utility, commercial, and industrial customers across North America, with operations focused on advancing decarbonization and sustainable energy transition goals.

AWK vs MNTK — Head-to-Head

Bigger by revenue
AWK
AWK
29.3× larger
AWK
$1.3B
$43.4M
MNTK
Growing faster (revenue YoY)
MNTK
MNTK
+50.9% gap
MNTK
56.7%
5.8%
AWK
Higher net margin
AWK
AWK
13.0% more per $
AWK
18.7%
5.7%
MNTK
More free cash flow
MNTK
MNTK
$343.9M more FCF
MNTK
$-41.1M
$-385.0M
AWK
Faster 2-yr revenue CAGR
AWK
AWK
Annualised
AWK
12.6%
5.8%
MNTK

Income Statement — Q4 2025 vs Q4 2025

Metric
AWK
AWK
MNTK
MNTK
Revenue
$1.3B
$43.4M
Net Profit
$238.0M
$2.5M
Gross Margin
Operating Margin
31.9%
-3.8%
Net Margin
18.7%
5.7%
Revenue YoY
5.8%
56.7%
Net Profit YoY
-0.4%
129.5%
EPS (diluted)
$1.22
$0.01

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
AWK
AWK
MNTK
MNTK
Q4 25
$1.3B
$43.4M
Q3 25
$1.5B
$45.3M
Q2 25
$1.3B
$45.1M
Q1 25
$1.1B
$42.6M
Q4 24
$1.2B
$27.7M
Q3 24
$1.3B
$65.9M
Q2 24
$1.1B
$43.3M
Q1 24
$1.0B
$38.8M
Net Profit
AWK
AWK
MNTK
MNTK
Q4 25
$238.0M
$2.5M
Q3 25
$379.0M
$5.2M
Q2 25
$289.0M
$-5.5M
Q1 25
$205.0M
$-464.0K
Q4 24
$239.0M
$-8.5M
Q3 24
$350.0M
$17.0M
Q2 24
$277.0M
$-712.0K
Q1 24
$185.0M
$1.9M
Gross Margin
AWK
AWK
MNTK
MNTK
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
43.8%
Q2 24
15.6%
Q1 24
22.8%
Operating Margin
AWK
AWK
MNTK
MNTK
Q4 25
31.9%
-3.8%
Q3 25
42.2%
9.8%
Q2 25
38.4%
-5.2%
Q1 25
32.7%
1.0%
Q4 24
33.3%
-35.5%
Q3 24
40.9%
34.4%
Q2 24
39.4%
2.0%
Q1 24
32.5%
6.1%
Net Margin
AWK
AWK
MNTK
MNTK
Q4 25
18.7%
5.7%
Q3 25
26.1%
11.5%
Q2 25
22.7%
-12.2%
Q1 25
18.1%
-1.1%
Q4 24
19.9%
-30.5%
Q3 24
26.4%
25.9%
Q2 24
24.3%
-1.6%
Q1 24
18.4%
4.8%
EPS (diluted)
AWK
AWK
MNTK
MNTK
Q4 25
$1.22
$0.01
Q3 25
$1.94
$0.04
Q2 25
$1.48
$-0.04
Q1 25
$1.05
$0.00
Q4 24
$1.22
$-0.05
Q3 24
$1.80
$0.12
Q2 24
$1.42
$-0.01
Q1 24
$0.95
$0.01

Balance Sheet & Financial Strength

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

Metric
AWK
AWK
MNTK
MNTK
Cash + ST InvestmentsLiquidity on hand
$98.0M
$23.8M
Total DebtLower is stronger
$12.8B
$126.0M
Stockholders' EquityBook value
$10.8B
$263.1M
Total Assets
$35.4B
$435.5M
Debt / EquityLower = less leverage
1.18×
0.48×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AWK
AWK
MNTK
MNTK
Q4 25
$98.0M
$23.8M
Q3 25
$166.0M
$6.8M
Q2 25
$94.0M
$29.1M
Q1 25
$114.0M
$40.1M
Q4 24
$96.0M
$45.6M
Q3 24
$127.0M
$55.0M
Q2 24
$48.0M
$42.3M
Q1 24
$584.0M
$63.3M
Total Debt
AWK
AWK
MNTK
MNTK
Q4 25
$12.8B
$126.0M
Q3 25
$13.0B
$54.9M
Q2 25
$12.3B
$57.8M
Q1 25
$13.3B
$40.8M
Q4 24
$12.5B
$43.8M
Q3 24
$12.6B
$46.7M
Q2 24
$12.6B
$49.7M
Q1 24
$12.6B
$52.7M
Stockholders' Equity
AWK
AWK
MNTK
MNTK
Q4 25
$10.8B
$263.1M
Q3 25
$10.9B
$260.7M
Q2 25
$10.7B
$254.7M
Q1 25
$10.5B
$258.2M
Q4 24
$10.3B
$257.4M
Q3 24
$10.4B
$275.3M
Q2 24
$10.2B
$255.3M
Q1 24
$10.0B
$254.3M
Total Assets
AWK
AWK
MNTK
MNTK
Q4 25
$35.4B
$435.5M
Q3 25
$34.7B
$383.3M
Q2 25
$33.9B
$382.5M
Q1 25
$33.2B
$354.2M
Q4 24
$32.8B
$349.0M
Q3 24
$31.8B
$374.1M
Q2 24
$31.2B
$362.0M
Q1 24
$31.1B
$354.7M
Debt / Equity
AWK
AWK
MNTK
MNTK
Q4 25
1.18×
0.48×
Q3 25
1.19×
0.21×
Q2 25
1.15×
0.23×
Q1 25
1.26×
0.16×
Q4 24
1.21×
0.17×
Q3 24
1.21×
0.17×
Q2 24
1.24×
0.19×
Q1 24
1.26×
0.21×

Cash Flow & Capital Efficiency

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

Metric
AWK
AWK
MNTK
MNTK
Operating Cash FlowLast quarter
$663.0M
$337.0K
Free Cash FlowOCF − Capex
$-385.0M
$-41.1M
FCF MarginFCF / Revenue
-30.3%
-94.7%
Capex IntensityCapex / Revenue
82.5%
95.5%
Cash ConversionOCF / Net Profit
2.79×
0.14×
TTM Free Cash FlowTrailing 4 quarters
$-1.1B
$-86.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AWK
AWK
MNTK
MNTK
Q4 25
$663.0M
$337.0K
Q3 25
$764.0M
$12.7M
Q2 25
$301.0M
$8.2M
Q1 25
$331.0M
$9.1M
Q4 24
$639.0M
$724.0K
Q3 24
$679.0M
$28.6M
Q2 24
$345.0M
$193.0K
Q1 24
$382.0M
$14.3M
Free Cash Flow
AWK
AWK
MNTK
MNTK
Q4 25
$-385.0M
$-41.1M
Q3 25
$-33.0M
$-17.2M
Q2 25
$-432.0M
$-25.5M
Q1 25
$-217.0M
$-2.5M
Q4 24
$-255.0M
$-8.3M
Q3 24
$-4.0M
$16.0M
Q2 24
$-325.0M
$-18.6M
Q1 24
$-227.0M
$-7.7M
FCF Margin
AWK
AWK
MNTK
MNTK
Q4 25
-30.3%
-94.7%
Q3 25
-2.3%
-37.9%
Q2 25
-34.0%
-56.4%
Q1 25
-19.1%
-5.8%
Q4 24
-21.2%
-29.8%
Q3 24
-0.3%
24.3%
Q2 24
-28.5%
-42.9%
Q1 24
-22.6%
-19.8%
Capex Intensity
AWK
AWK
MNTK
MNTK
Q4 25
82.5%
95.5%
Q3 25
54.8%
65.9%
Q2 25
57.6%
74.6%
Q1 25
48.3%
27.3%
Q4 24
74.4%
32.5%
Q3 24
51.4%
19.1%
Q2 24
58.8%
43.3%
Q1 24
60.7%
56.7%
Cash Conversion
AWK
AWK
MNTK
MNTK
Q4 25
2.79×
0.14×
Q3 25
2.02×
2.43×
Q2 25
1.04×
Q1 25
1.61×
Q4 24
2.67×
Q3 24
1.94×
1.68×
Q2 24
1.25×
Q1 24
2.06×
7.73×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AWK
AWK

Water Services$1.0B81%
Other$127.0M10%
Wastewater Services$101.0M8%
Miscellaneous Utility Charge$11.0M1%

MNTK
MNTK

Natural Gas Environmental Attributes$28.1M65%
Natural Gas Commodity$10.7M25%
Electric Commodity$2.7M6%
Electric Environmental Attributes$2.0M5%

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