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Side-by-side financial comparison of ECARX Holdings Inc. (ECX) and FEDERAL SIGNAL CORP (FSS). Click either name above to swap in a different company.

FEDERAL SIGNAL CORP is the larger business by last-quarter revenue ($597.1M vs $323.3M, roughly 1.8× ECARX Holdings Inc.). FEDERAL SIGNAL CORP runs the higher net margin — 10.2% vs -21.4%, a 31.5% gap on every dollar of revenue. On growth, FEDERAL SIGNAL CORP posted the faster year-over-year revenue change (26.5% vs 6.5%). FEDERAL SIGNAL CORP produced more free cash flow last quarter ($89.5M vs $-86.5M).

ECARX Holdings Inc. is a global mobility technology provider specializing in integrated smart vehicle solutions, including in-vehicle infotainment systems, advanced driver assistance technologies, and connected car cloud services. It primarily partners with automotive manufacturers across the world, with a strong operational presence in the Chinese and European markets.

The Federal Signal Company was an American manufacturer of railway signaling equipment in the early 20th century. It was located in Albany, New York.

ECX vs FSS — Head-to-Head

Bigger by revenue
FSS
FSS
1.8× larger
FSS
$597.1M
$323.3M
ECX
Growing faster (revenue YoY)
FSS
FSS
+20.0% gap
FSS
26.5%
6.5%
ECX
Higher net margin
FSS
FSS
31.5% more per $
FSS
10.2%
-21.4%
ECX
More free cash flow
FSS
FSS
$176.0M more FCF
FSS
$89.5M
$-86.5M
ECX

Income Statement — Q2 FY2025 vs Q4 FY2025

Metric
ECX
ECX
FSS
FSS
Revenue
$323.3M
$597.1M
Net Profit
$-69.1M
$60.8M
Gross Margin
15.5%
28.4%
Operating Margin
-20.2%
14.0%
Net Margin
-21.4%
10.2%
Revenue YoY
6.5%
26.5%
Net Profit YoY
12.8%
21.6%
EPS (diluted)
$-0.20
$0.99

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
ECX
ECX
FSS
FSS
Q4 25
$597.1M
Q3 25
$555.0M
Q2 25
$323.3M
$564.6M
Q1 25
$463.8M
Q4 24
$472.0M
Q3 24
$474.2M
Q2 24
$303.5M
$490.4M
Q1 24
$424.9M
Net Profit
ECX
ECX
FSS
FSS
Q4 25
$60.8M
Q3 25
$68.1M
Q2 25
$-69.1M
$71.4M
Q1 25
$46.3M
Q4 24
$50.0M
Q3 24
$53.9M
Q2 24
$-79.2M
$60.8M
Q1 24
$51.6M
Gross Margin
ECX
ECX
FSS
FSS
Q4 25
28.4%
Q3 25
29.1%
Q2 25
15.5%
30.0%
Q1 25
28.2%
Q4 24
28.1%
Q3 24
29.6%
Q2 24
22.6%
29.4%
Q1 24
27.3%
Operating Margin
ECX
ECX
FSS
FSS
Q4 25
14.0%
Q3 25
16.9%
Q2 25
-20.2%
17.3%
Q1 25
14.2%
Q4 24
14.9%
Q3 24
16.0%
Q2 24
-22.2%
16.5%
Q1 24
12.8%
Net Margin
ECX
ECX
FSS
FSS
Q4 25
10.2%
Q3 25
12.3%
Q2 25
-21.4%
12.6%
Q1 25
10.0%
Q4 24
10.6%
Q3 24
11.4%
Q2 24
-26.1%
12.4%
Q1 24
12.1%
EPS (diluted)
ECX
ECX
FSS
FSS
Q4 25
$0.99
Q3 25
$1.11
Q2 25
$-0.20
$1.16
Q1 25
$0.75
Q4 24
$0.80
Q3 24
$0.87
Q2 24
$-0.23
$0.99
Q1 24
$0.84

Balance Sheet & Financial Strength

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

Metric
ECX
ECX
FSS
FSS
Cash + ST InvestmentsLiquidity on hand
$86.2M
$63.7M
Total DebtLower is stronger
$564.6M
Stockholders' EquityBook value
$-293.7M
$1.4B
Total Assets
$494.9M
$2.4B
Debt / EquityLower = less leverage
0.41×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ECX
ECX
FSS
FSS
Q4 25
$63.7M
Q3 25
$54.4M
Q2 25
$86.2M
$64.7M
Q1 25
$57.5M
Q4 24
$91.1M
Q3 24
$73.7M
Q2 24
$108.4M
$48.6M
Q1 24
$48.9M
Total Debt
ECX
ECX
FSS
FSS
Q4 25
$564.6M
Q3 25
$201.2M
Q2 25
$258.3M
Q1 25
$266.9M
Q4 24
$204.4M
Q3 24
$223.3M
Q2 24
$248.8M
Q1 24
$266.8M
Stockholders' Equity
ECX
ECX
FSS
FSS
Q4 25
$1.4B
Q3 25
$1.3B
Q2 25
$-293.7M
$1.3B
Q1 25
$1.2B
Q4 24
$1.2B
Q3 24
$1.1B
Q2 24
$-198.5M
$1.1B
Q1 24
$1.0B
Total Assets
ECX
ECX
FSS
FSS
Q4 25
$2.4B
Q3 25
$1.9B
Q2 25
$494.9M
$1.9B
Q1 25
$1.9B
Q4 24
$1.8B
Q3 24
$1.7B
Q2 24
$555.0M
$1.7B
Q1 24
$1.7B
Debt / Equity
ECX
ECX
FSS
FSS
Q4 25
0.41×
Q3 25
0.15×
Q2 25
0.20×
Q1 25
0.22×
Q4 24
0.17×
Q3 24
0.19×
Q2 24
0.23×
Q1 24
0.26×

Cash Flow & Capital Efficiency

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

Metric
ECX
ECX
FSS
FSS
Operating Cash FlowLast quarter
$-82.0M
$97.2M
Free Cash FlowOCF − Capex
$-86.5M
$89.5M
FCF MarginFCF / Revenue
-26.7%
15.0%
Capex IntensityCapex / Revenue
1.4%
1.3%
Cash ConversionOCF / Net Profit
1.60×
TTM Free Cash FlowTrailing 4 quarters
$227.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ECX
ECX
FSS
FSS
Q4 25
$97.2M
Q3 25
$61.1M
Q2 25
$-82.0M
$59.7M
Q1 25
$36.7M
Q4 24
$90.6M
Q3 24
$68.8M
Q2 24
$-57.1M
$40.6M
Q1 24
$31.3M
Free Cash Flow
ECX
ECX
FSS
FSS
Q4 25
$89.5M
Q3 25
$54.1M
Q2 25
$-86.5M
$52.4M
Q1 25
$31.1M
Q4 24
$82.1M
Q3 24
$60.9M
Q2 24
$-64.9M
$24.8M
Q1 24
$22.9M
FCF Margin
ECX
ECX
FSS
FSS
Q4 25
15.0%
Q3 25
9.7%
Q2 25
-26.7%
9.3%
Q1 25
6.7%
Q4 24
17.4%
Q3 24
12.8%
Q2 24
-21.4%
5.1%
Q1 24
5.4%
Capex Intensity
ECX
ECX
FSS
FSS
Q4 25
1.3%
Q3 25
1.3%
Q2 25
1.4%
1.3%
Q1 25
1.2%
Q4 24
1.8%
Q3 24
1.7%
Q2 24
2.6%
3.2%
Q1 24
2.0%
Cash Conversion
ECX
ECX
FSS
FSS
Q4 25
1.60×
Q3 25
0.90×
Q2 25
0.84×
Q1 25
0.79×
Q4 24
1.81×
Q3 24
1.28×
Q2 24
0.67×
Q1 24
0.61×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ECX
ECX

Segment breakdown not available.

FSS
FSS

Vehiclesandequipment$403.4M68%
Parts$66.8M11%
Publicsafetyandsecurityequipment$62.2M10%
Rentalincome$19.0M3%
Industrialsignalingequipment$18.2M3%
Other$14.9M2%
Warningsystems$12.6M2%

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