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Side-by-side financial comparison of AEMETIS, INC (AMTX) and WESTLAKE CORP (WLK). Click either name above to swap in a different company.

WESTLAKE CORP is the larger business by last-quarter revenue ($2.5B vs $43.3M, roughly 58.5× AEMETIS, INC). On growth, AEMETIS, INC posted the faster year-over-year revenue change (-7.9% vs -10.9%). AEMETIS, INC produced more free cash flow last quarter ($-10.8M vs $-16.0M). Over the past eight quarters, WESTLAKE CORP's revenue compounded faster (-7.7% CAGR vs -22.8%).

Aemetis, Inc. is a renewable fuels and sustainable biochemicals producer operating across North America and India. Its core products include low-carbon ethanol, renewable natural gas and biodiesel, serving transportation, industrial and agricultural sectors with decarbonization solutions for commercial clients.

Westlake Corporation is an international manufacturer and supplier of petrochemicals, polymers and fabricated building products, which are fundamental to various consumer and industrial markets. The company was founded by Ting Tsung Chao in 1986. it is the largest producer of low-density polyethylene (LDPE) in the US and ranks among the Forbes Global 2000. Westlake Chemical operates in two segments: Olefins and Vinyls, and is also an integrated producer of vinyls, with substantial downstream ...

AMTX vs WLK — Head-to-Head

Bigger by revenue
WLK
WLK
58.5× larger
WLK
$2.5B
$43.3M
AMTX
Growing faster (revenue YoY)
AMTX
AMTX
+3.0% gap
AMTX
-7.9%
-10.9%
WLK
More free cash flow
AMTX
AMTX
$5.2M more FCF
AMTX
$-10.8M
$-16.0M
WLK
Faster 2-yr revenue CAGR
WLK
WLK
Annualised
WLK
-7.7%
-22.8%
AMTX

Income Statement — Q4 2025 vs Q4 2025

Metric
AMTX
AMTX
WLK
WLK
Revenue
$43.3M
$2.5B
Net Profit
$-544.0M
Gross Margin
17.8%
3.4%
Operating Margin
-5.7%
-26.5%
Net Margin
-21.5%
Revenue YoY
-7.9%
-10.9%
Net Profit YoY
-7871.4%
EPS (diluted)
$-0.03
$-4.22

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
AMTX
AMTX
WLK
WLK
Q4 25
$43.3M
$2.5B
Q3 25
$59.2M
$2.8B
Q2 25
$52.2M
$3.0B
Q1 25
$42.9M
$2.8B
Q4 24
$47.0M
$2.8B
Q3 24
$81.4M
$3.1B
Q2 24
$66.6M
$3.2B
Q1 24
$72.6M
$3.0B
Net Profit
AMTX
AMTX
WLK
WLK
Q4 25
$-544.0M
Q3 25
$-23.7M
$-782.0M
Q2 25
$-23.4M
$-142.0M
Q1 25
$-24.5M
$-40.0M
Q4 24
$7.0M
Q3 24
$-17.9M
$108.0M
Q2 24
$-29.2M
$313.0M
Q1 24
$-24.2M
$174.0M
Gross Margin
AMTX
AMTX
WLK
WLK
Q4 25
17.8%
3.4%
Q3 25
-0.1%
8.3%
Q2 25
-6.4%
8.7%
Q1 25
-11.8%
8.2%
Q4 24
-4.3%
11.5%
Q3 24
4.8%
16.0%
Q2 24
-2.7%
20.7%
Q1 24
-0.8%
15.7%
Operating Margin
AMTX
AMTX
WLK
WLK
Q4 25
-5.7%
-26.5%
Q3 25
-14.4%
-27.0%
Q2 25
-20.4%
-3.7%
Q1 25
-36.3%
-1.1%
Q4 24
-28.7%
2.3%
Q3 24
-4.8%
5.8%
Q2 24
-20.4%
12.7%
Q1 24
-13.0%
7.5%
Net Margin
AMTX
AMTX
WLK
WLK
Q4 25
-21.5%
Q3 25
-40.1%
-27.6%
Q2 25
-44.8%
-4.8%
Q1 25
-57.2%
-1.4%
Q4 24
0.2%
Q3 24
-22.0%
3.5%
Q2 24
-43.8%
9.8%
Q1 24
-33.4%
5.8%
EPS (diluted)
AMTX
AMTX
WLK
WLK
Q4 25
$-0.03
$-4.22
Q3 25
$-0.37
$-6.06
Q2 25
$-0.41
$-1.11
Q1 25
$-0.47
$-0.31
Q4 24
$-0.29
$0.07
Q3 24
$-0.38
$0.83
Q2 24
$-0.66
$2.40
Q1 24
$-0.58
$1.34

Balance Sheet & Financial Strength

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

Metric
AMTX
AMTX
WLK
WLK
Cash + ST InvestmentsLiquidity on hand
$4.9M
$2.7B
Total DebtLower is stronger
$5.6B
Stockholders' EquityBook value
$-306.8M
$8.8B
Total Assets
$259.8M
$20.0B
Debt / EquityLower = less leverage
0.64×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMTX
AMTX
WLK
WLK
Q4 25
$4.9M
$2.7B
Q3 25
$5.6M
$1.9B
Q2 25
$1.6M
$2.1B
Q1 25
$499.0K
$2.3B
Q4 24
$898.0K
$2.9B
Q3 24
$296.0K
$2.9B
Q2 24
$234.0K
$3.0B
Q1 24
$1.6M
$3.1B
Total Debt
AMTX
AMTX
WLK
WLK
Q4 25
$5.6B
Q3 25
$4.7B
Q2 25
$4.7B
Q1 25
$4.6B
Q4 24
$338.1M
$4.6B
Q3 24
$322.2M
$4.6B
Q2 24
$309.0M
$4.9B
Q1 24
$307.2M
$4.9B
Stockholders' Equity
AMTX
AMTX
WLK
WLK
Q4 25
$-306.8M
$8.8B
Q3 25
$-304.9M
$9.4B
Q2 25
$-289.3M
$10.3B
Q1 25
$-280.7M
$10.4B
Q4 24
$-263.9M
$10.5B
Q3 24
$-258.9M
$10.7B
Q2 24
$-249.0M
$10.6B
Q1 24
$-232.1M
$10.3B
Total Assets
AMTX
AMTX
WLK
WLK
Q4 25
$259.8M
$20.0B
Q3 25
$241.1M
$19.8B
Q2 25
$240.0M
$20.8B
Q1 25
$242.5M
$20.7B
Q4 24
$259.3M
$20.8B
Q3 24
$259.3M
$21.1B
Q2 24
$259.3M
$21.1B
Q1 24
$259.3M
$21.0B
Debt / Equity
AMTX
AMTX
WLK
WLK
Q4 25
0.64×
Q3 25
0.49×
Q2 25
0.45×
Q1 25
0.44×
Q4 24
0.43×
Q3 24
0.43×
Q2 24
0.46×
Q1 24
0.47×

Cash Flow & Capital Efficiency

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

Metric
AMTX
AMTX
WLK
WLK
Operating Cash FlowLast quarter
$5.8M
$225.0M
Free Cash FlowOCF − Capex
$-10.8M
$-16.0M
FCF MarginFCF / Revenue
-24.9%
-0.6%
Capex IntensityCapex / Revenue
38.2%
9.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-22.7M
$-530.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMTX
AMTX
WLK
WLK
Q4 25
$5.8M
$225.0M
Q3 25
$3.1M
$182.0M
Q2 25
$-5.7M
$135.0M
Q1 25
$160.0K
$-77.0M
Q4 24
$-12.6M
$434.0M
Q3 24
$-5.0M
$474.0M
Q2 24
$-5.1M
$237.0M
Q1 24
$-10.3M
$169.0M
Free Cash Flow
AMTX
AMTX
WLK
WLK
Q4 25
$-10.8M
$-16.0M
Q3 25
$-1.0M
$-57.0M
Q2 25
$-9.3M
$-132.0M
Q1 25
$-1.7M
$-325.0M
Q4 24
$-19.4M
$149.0M
Q3 24
$-9.5M
$254.0M
Q2 24
$-10.5M
$6.0M
Q1 24
$-13.9M
$-103.0M
FCF Margin
AMTX
AMTX
WLK
WLK
Q4 25
-24.9%
-0.6%
Q3 25
-1.7%
-2.0%
Q2 25
-17.7%
-4.5%
Q1 25
-3.9%
-11.4%
Q4 24
-41.2%
5.2%
Q3 24
-11.6%
8.1%
Q2 24
-15.8%
0.2%
Q1 24
-19.1%
-3.5%
Capex Intensity
AMTX
AMTX
WLK
WLK
Q4 25
38.2%
9.5%
Q3 25
6.9%
8.4%
Q2 25
6.7%
9.0%
Q1 25
4.3%
8.7%
Q4 24
14.4%
10.0%
Q3 24
5.5%
7.1%
Q2 24
8.1%
7.2%
Q1 24
4.9%
9.1%
Cash Conversion
AMTX
AMTX
WLK
WLK
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
62.00×
Q3 24
4.39×
Q2 24
0.76×
Q1 24
0.97×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMTX
AMTX

Ethanol Sales$28.8M66%
Wet Distillers Grains$6.8M16%
California Dairy Renewable Natural Gas$5.2M12%
Other$1.8M4%

WLK
WLK

Performance Materials$930.0M37%
Housing Products$767.0M30%
Essential Materials$702.0M28%
Infrastructure Products$134.0M5%

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