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Side-by-side financial comparison of ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) and OPAL Fuels Inc. (OPAL). Click either name above to swap in a different company.

ALPHA & OMEGA SEMICONDUCTOR Ltd is the larger business by last-quarter revenue ($162.3M vs $88.4M, roughly 1.8× OPAL Fuels Inc.). OPAL Fuels Inc. runs the higher net margin — 18.3% vs -8.2%, a 26.5% gap on every dollar of revenue. On growth, OPAL Fuels Inc. posted the faster year-over-year revenue change (18.7% vs -6.3%). OPAL Fuels Inc. produced more free cash flow last quarter ($-13.4M vs $-23.1M). Over the past eight quarters, OPAL Fuels Inc.'s revenue compounded faster (17.6% CAGR vs 4.0%).

Alpha & Omega Semiconductor Ltd designs, manufactures and markets a broad portfolio of power semiconductors, including power MOSFETs, IGBTs, analog ICs and power management modules. Its products are applied across consumer electronics, industrial equipment, automotive systems, telecom and computing segments, with sales networks covering major global markets.

OPAL Fuels Inc. is a North American energy company focused on producing and distributing low-carbon renewable natural gas (RNG). It captures methane from landfills, dairy operations and other organic waste streams to produce RNG, which is mainly supplied to heavy-duty transportation fleets, commercial logistics operators and public transport entities to help reduce their greenhouse gas emissions.

AOSL vs OPAL — Head-to-Head

Bigger by revenue
AOSL
AOSL
1.8× larger
AOSL
$162.3M
$88.4M
OPAL
Growing faster (revenue YoY)
OPAL
OPAL
+25.0% gap
OPAL
18.7%
-6.3%
AOSL
Higher net margin
OPAL
OPAL
26.5% more per $
OPAL
18.3%
-8.2%
AOSL
More free cash flow
OPAL
OPAL
$9.7M more FCF
OPAL
$-13.4M
$-23.1M
AOSL
Faster 2-yr revenue CAGR
OPAL
OPAL
Annualised
OPAL
17.6%
4.0%
AOSL

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
AOSL
AOSL
OPAL
OPAL
Revenue
$162.3M
$88.4M
Net Profit
$-13.3M
$16.2M
Gross Margin
21.5%
Operating Margin
-8.4%
7.5%
Net Margin
-8.2%
18.3%
Revenue YoY
-6.3%
18.7%
Net Profit YoY
-101.0%
401.5%
EPS (diluted)
$-0.45
$0.08

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
AOSL
AOSL
OPAL
OPAL
Q4 25
$162.3M
$88.4M
Q3 25
$182.5M
$77.9M
Q2 25
$176.5M
$77.4M
Q1 25
$164.6M
$83.0M
Q4 24
$173.2M
$74.5M
Q3 24
$181.9M
$82.6M
Q2 24
$161.3M
$69.8M
Q1 24
$150.1M
$64.0M
Net Profit
AOSL
AOSL
OPAL
OPAL
Q4 25
$-13.3M
$16.2M
Q3 25
$-2.1M
$11.4M
Q2 25
$-77.1M
$7.6M
Q1 25
$-10.8M
$1.3M
Q4 24
$-6.6M
$-5.4M
Q3 24
$-2.5M
$17.1M
Q2 24
$-2.7M
$1.9M
Q1 24
$-11.2M
$677.0K
Gross Margin
AOSL
AOSL
OPAL
OPAL
Q4 25
21.5%
Q3 25
23.5%
Q2 25
23.4%
Q1 25
21.4%
Q4 24
23.1%
Q3 24
24.5%
Q2 24
25.7%
Q1 24
23.7%
Operating Margin
AOSL
AOSL
OPAL
OPAL
Q4 25
-8.4%
7.5%
Q3 25
-2.5%
4.6%
Q2 25
-6.6%
-1.1%
Q1 25
-6.5%
-2.3%
Q4 24
-3.4%
-0.5%
Q3 24
-0.1%
14.9%
Q2 24
-0.9%
8.1%
Q1 24
-7.0%
5.6%
Net Margin
AOSL
AOSL
OPAL
OPAL
Q4 25
-8.2%
18.3%
Q3 25
-1.2%
14.6%
Q2 25
-43.7%
9.8%
Q1 25
-6.6%
1.5%
Q4 24
-3.8%
-7.2%
Q3 24
-1.4%
20.7%
Q2 24
-1.7%
2.7%
Q1 24
-7.5%
1.1%
EPS (diluted)
AOSL
AOSL
OPAL
OPAL
Q4 25
$-0.45
$0.08
Q3 25
$-0.07
$0.05
Q2 25
$-2.61
$0.03
Q1 25
$-0.37
$-0.01
Q4 24
$-0.23
$-0.05
Q3 24
$-0.09
$0.09
Q2 24
$-0.09
$-0.01
Q1 24
$-0.39
$-0.01

Balance Sheet & Financial Strength

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

Metric
AOSL
AOSL
OPAL
OPAL
Cash + ST InvestmentsLiquidity on hand
$196.3M
$24.4M
Total DebtLower is stronger
$361.3M
Stockholders' EquityBook value
$818.8M
$-12.9M
Total Assets
$1.0B
$959.5M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AOSL
AOSL
OPAL
OPAL
Q4 25
$196.3M
$24.4M
Q3 25
$223.5M
$29.9M
Q2 25
$153.1M
$29.3M
Q1 25
$169.4M
$40.1M
Q4 24
$182.6M
$24.3M
Q3 24
$176.0M
$31.0M
Q2 24
$175.1M
$27.6M
Q1 24
$174.4M
$34.2M
Total Debt
AOSL
AOSL
OPAL
OPAL
Q4 25
$361.3M
Q3 25
$351.2M
Q2 25
$14.9M
$331.6M
Q1 25
$307.0M
Q4 24
$307.5M
Q3 24
$252.9M
Q2 24
$26.7M
$233.3M
Q1 24
$208.7M
Stockholders' Equity
AOSL
AOSL
OPAL
OPAL
Q4 25
$818.8M
$-12.9M
Q3 25
$834.1M
$7.5M
Q2 25
$822.3M
$-25.0M
Q1 25
$886.3M
$57.1M
Q4 24
$902.6M
$-148.4M
Q3 24
$895.3M
$-180.1M
Q2 24
$891.6M
$-273.0M
Q1 24
$888.9M
$-382.4M
Total Assets
AOSL
AOSL
OPAL
OPAL
Q4 25
$1.0B
$959.5M
Q3 25
$1.0B
$916.7M
Q2 25
$1.0B
$905.5M
Q1 25
$1.1B
$884.9M
Q4 24
$1.1B
$881.1M
Q3 24
$1.1B
$831.1M
Q2 24
$1.1B
$782.3M
Q1 24
$1.2B
$750.5M
Debt / Equity
AOSL
AOSL
OPAL
OPAL
Q4 25
Q3 25
46.95×
Q2 25
0.02×
Q1 25
5.38×
Q4 24
Q3 24
Q2 24
0.03×
Q1 24

Cash Flow & Capital Efficiency

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

Metric
AOSL
AOSL
OPAL
OPAL
Operating Cash FlowLast quarter
$-8.1M
$-3.5M
Free Cash FlowOCF − Capex
$-23.1M
$-13.4M
FCF MarginFCF / Revenue
-14.2%
-15.1%
Capex IntensityCapex / Revenue
9.2%
11.1%
Cash ConversionOCF / Net Profit
-0.22×
TTM Free Cash FlowTrailing 4 quarters
$-40.9M
$-34.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AOSL
AOSL
OPAL
OPAL
Q4 25
$-8.1M
$-3.5M
Q3 25
$10.2M
$18.2M
Q2 25
$-2.8M
$-7.9M
Q1 25
$7.4M
$29.7M
Q4 24
$14.1M
$-532.0K
Q3 24
$11.0M
$17.7M
Q2 24
$7.1M
$533.0K
Q1 24
$28.2M
$13.7M
Free Cash Flow
AOSL
AOSL
OPAL
OPAL
Q4 25
$-23.1M
$-13.4M
Q3 25
$420.0K
$-9.3M
Q2 25
$-17.2M
$-29.7M
Q1 25
$-1.1M
$18.1M
Q4 24
$6.6M
$-55.0M
Q3 24
$4.1M
$-5.4M
Q2 24
$-210.0K
$-22.5M
Q1 24
$20.5M
$-13.0M
FCF Margin
AOSL
AOSL
OPAL
OPAL
Q4 25
-14.2%
-15.1%
Q3 25
0.2%
-11.9%
Q2 25
-9.7%
-38.4%
Q1 25
-0.6%
21.8%
Q4 24
3.8%
-73.8%
Q3 24
2.3%
-6.5%
Q2 24
-0.1%
-32.2%
Q1 24
13.7%
-20.4%
Capex Intensity
AOSL
AOSL
OPAL
OPAL
Q4 25
9.2%
11.1%
Q3 25
5.4%
35.3%
Q2 25
8.1%
28.2%
Q1 25
5.1%
13.9%
Q4 24
4.3%
73.1%
Q3 24
3.8%
27.9%
Q2 24
4.5%
32.9%
Q1 24
5.2%
41.8%
Cash Conversion
AOSL
AOSL
OPAL
OPAL
Q4 25
-0.22×
Q3 25
1.60×
Q2 25
-1.04×
Q1 25
23.11×
Q4 24
Q3 24
1.03×
Q2 24
0.28×
Q1 24
20.26×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AOSL
AOSL

Power Discrete$101.0M62%
Power Ic$58.8M36%
Packaging And Testing Services$2.5M2%

OPAL
OPAL

Fuel Station Services Segment$65.1M74%
Related Party$12.1M14%
Renewable Power Segment$8.6M10%
Other$2.6M3%

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