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Side-by-side financial comparison of ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) and ESCO TECHNOLOGIES INC (ESE). Click either name above to swap in a different company.

ESCO TECHNOLOGIES INC is the larger business by last-quarter revenue ($289.7M vs $162.3M, roughly 1.8× ALPHA & OMEGA SEMICONDUCTOR Ltd). ESCO TECHNOLOGIES INC runs the higher net margin — 9.9% vs -8.2%, a 18.1% gap on every dollar of revenue. On growth, ESCO TECHNOLOGIES INC posted the faster year-over-year revenue change (17.3% vs -6.3%). ESCO TECHNOLOGIES INC produced more free cash flow last quarter ($63.0M vs $-23.1M). Over the past eight quarters, ESCO TECHNOLOGIES INC's revenue compounded faster (7.8% 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.

Esco is a Singaporean brand that develops, manufactures, and sells products and services for laboratories.

AOSL vs ESE — Head-to-Head

Bigger by revenue
ESE
ESE
1.8× larger
ESE
$289.7M
$162.3M
AOSL
Growing faster (revenue YoY)
ESE
ESE
+23.5% gap
ESE
17.3%
-6.3%
AOSL
Higher net margin
ESE
ESE
18.1% more per $
ESE
9.9%
-8.2%
AOSL
More free cash flow
ESE
ESE
$86.0M more FCF
ESE
$63.0M
$-23.1M
AOSL
Faster 2-yr revenue CAGR
ESE
ESE
Annualised
ESE
7.8%
4.0%
AOSL

Income Statement — Q2 FY2026 vs Q1 FY2026

Metric
AOSL
AOSL
ESE
ESE
Revenue
$162.3M
$289.7M
Net Profit
$-13.3M
$28.7M
Gross Margin
21.5%
41.4%
Operating Margin
-8.4%
13.2%
Net Margin
-8.2%
9.9%
Revenue YoY
-6.3%
17.3%
Net Profit YoY
-101.0%
22.2%
EPS (diluted)
$-0.45
$1.11

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
ESE
ESE
Q4 25
$162.3M
$289.7M
Q3 25
$182.5M
$286.5M
Q2 25
$176.5M
$296.3M
Q1 25
$164.6M
$265.5M
Q4 24
$173.2M
$247.0M
Q3 24
$181.9M
$298.5M
Q2 24
$161.3M
$260.8M
Q1 24
$150.1M
$249.1M
Net Profit
AOSL
AOSL
ESE
ESE
Q4 25
$-13.3M
$28.7M
Q3 25
$-2.1M
$218.7M
Q2 25
$-77.1M
$26.1M
Q1 25
$-10.8M
$31.0M
Q4 24
$-6.6M
$23.5M
Q3 24
$-2.5M
$34.3M
Q2 24
$-2.7M
$29.2M
Q1 24
$-11.2M
$23.2M
Gross Margin
AOSL
AOSL
ESE
ESE
Q4 25
21.5%
41.4%
Q3 25
23.5%
45.9%
Q2 25
23.4%
41.2%
Q1 25
21.4%
41.1%
Q4 24
23.1%
39.8%
Q3 24
24.5%
40.1%
Q2 24
25.7%
39.6%
Q1 24
23.7%
38.8%
Operating Margin
AOSL
AOSL
ESE
ESE
Q4 25
-8.4%
13.2%
Q3 25
-2.5%
17.2%
Q2 25
-6.6%
11.2%
Q1 25
-6.5%
15.3%
Q4 24
-3.4%
11.4%
Q3 24
-0.1%
14.8%
Q2 24
-0.9%
14.3%
Q1 24
-7.0%
11.7%
Net Margin
AOSL
AOSL
ESE
ESE
Q4 25
-8.2%
9.9%
Q3 25
-1.2%
76.3%
Q2 25
-43.7%
8.8%
Q1 25
-6.6%
11.7%
Q4 24
-3.8%
9.5%
Q3 24
-1.4%
11.5%
Q2 24
-1.7%
11.2%
Q1 24
-7.5%
9.3%
EPS (diluted)
AOSL
AOSL
ESE
ESE
Q4 25
$-0.45
$1.11
Q3 25
$-0.07
$8.43
Q2 25
$-2.61
$1.01
Q1 25
$-0.37
$1.20
Q4 24
$-0.23
$0.91
Q3 24
$-0.09
$1.32
Q2 24
$-0.09
$1.13
Q1 24
$-0.39
$0.90

Balance Sheet & Financial Strength

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

Metric
AOSL
AOSL
ESE
ESE
Cash + ST InvestmentsLiquidity on hand
$196.3M
$103.8M
Total DebtLower is stronger
$145.5M
Stockholders' EquityBook value
$818.8M
$1.6B
Total Assets
$1.0B
$2.4B
Debt / EquityLower = less leverage
0.09×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AOSL
AOSL
ESE
ESE
Q4 25
$196.3M
$103.8M
Q3 25
$223.5M
$101.3M
Q2 25
$153.1M
$78.7M
Q1 25
$169.4M
$57.4M
Q4 24
$182.6M
$71.3M
Q3 24
$176.0M
$66.0M
Q2 24
$175.1M
$63.0M
Q1 24
$174.4M
$59.4M
Total Debt
AOSL
AOSL
ESE
ESE
Q4 25
$145.5M
Q3 25
$186.0M
Q2 25
$14.9M
$525.0M
Q1 25
$88.0M
Q4 24
$112.0M
Q3 24
$122.0M
Q2 24
$26.7M
$173.0M
Q1 24
$191.0M
Stockholders' Equity
AOSL
AOSL
ESE
ESE
Q4 25
$818.8M
$1.6B
Q3 25
$834.1M
$1.5B
Q2 25
$822.3M
$1.3B
Q1 25
$886.3M
$1.3B
Q4 24
$902.6M
$1.2B
Q3 24
$895.3M
$1.2B
Q2 24
$891.6M
$1.2B
Q1 24
$888.9M
$1.2B
Total Assets
AOSL
AOSL
ESE
ESE
Q4 25
$1.0B
$2.4B
Q3 25
$1.0B
$2.4B
Q2 25
$1.0B
$2.5B
Q1 25
$1.1B
$1.8B
Q4 24
$1.1B
$1.8B
Q3 24
$1.1B
$1.8B
Q2 24
$1.1B
$1.8B
Q1 24
$1.2B
$1.8B
Debt / Equity
AOSL
AOSL
ESE
ESE
Q4 25
0.09×
Q3 25
0.12×
Q2 25
0.02×
0.40×
Q1 25
0.07×
Q4 24
0.09×
Q3 24
0.10×
Q2 24
0.03×
0.14×
Q1 24
0.16×

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
ESE
ESE
Operating Cash FlowLast quarter
$-8.1M
$68.9M
Free Cash FlowOCF − Capex
$-23.1M
$63.0M
FCF MarginFCF / Revenue
-14.2%
21.7%
Capex IntensityCapex / Revenue
9.2%
2.0%
Cash ConversionOCF / Net Profit
2.40×
TTM Free Cash FlowTrailing 4 quarters
$-40.9M
$239.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AOSL
AOSL
ESE
ESE
Q4 25
$-8.1M
$68.9M
Q3 25
$10.2M
$109.9M
Q2 25
$-2.8M
$73.7M
Q1 25
$7.4M
$24.1M
Q4 24
$14.1M
$34.2M
Q3 24
$11.0M
$72.1M
Q2 24
$7.1M
$36.2M
Q1 24
$28.2M
$10.5M
Free Cash Flow
AOSL
AOSL
ESE
ESE
Q4 25
$-23.1M
$63.0M
Q3 25
$420.0K
$97.8M
Q2 25
$-17.2M
$64.9M
Q1 25
$-1.1M
$14.0M
Q4 24
$6.6M
$29.0M
Q3 24
$4.1M
$60.9M
Q2 24
$-210.0K
$27.6M
Q1 24
$20.5M
$2.0M
FCF Margin
AOSL
AOSL
ESE
ESE
Q4 25
-14.2%
21.7%
Q3 25
0.2%
34.1%
Q2 25
-9.7%
21.9%
Q1 25
-0.6%
5.3%
Q4 24
3.8%
11.7%
Q3 24
2.3%
20.4%
Q2 24
-0.1%
10.6%
Q1 24
13.7%
0.8%
Capex Intensity
AOSL
AOSL
ESE
ESE
Q4 25
9.2%
2.0%
Q3 25
5.4%
4.2%
Q2 25
8.1%
3.0%
Q1 25
5.1%
3.8%
Q4 24
4.3%
2.1%
Q3 24
3.8%
3.8%
Q2 24
4.5%
3.3%
Q1 24
5.2%
3.4%
Cash Conversion
AOSL
AOSL
ESE
ESE
Q4 25
2.40×
Q3 25
0.50×
Q2 25
2.83×
Q1 25
0.78×
Q4 24
1.46×
Q3 24
2.10×
Q2 24
1.24×
Q1 24
0.45×

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%

ESE
ESE

US Government$98.0M34%
Utility Solutions Group$87.5M30%
RF Shielding And Test$58.3M20%
Commercial$45.8M16%
Related Party$1.3M0%

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