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Side-by-side financial comparison of COMFORT SYSTEMS USA INC (FIX) and SIRIUS XM HOLDINGS INC. (SIRI). Click either name above to swap in a different company.

COMFORT SYSTEMS USA INC is the larger business by last-quarter revenue ($2.6B vs $2.1B, roughly 1.3× SIRIUS XM HOLDINGS INC.). COMFORT SYSTEMS USA INC runs the higher net margin — 12.5% vs 11.7%, a 0.8% gap on every dollar of revenue. On growth, COMFORT SYSTEMS USA INC posted the faster year-over-year revenue change (41.7% vs 1.1%). COMFORT SYSTEMS USA INC produced more free cash flow last quarter ($402.4M vs $171.0K). Over the past eight quarters, COMFORT SYSTEMS USA INC's revenue compounded faster (31.2% CAGR vs -2.0%).

Comfort Systems USA, Inc. is an American company that provides mechanical and electrical contracting services, primarily HVAC, plumbing, piping and controls, off-site construction, monitoring and fire protection, and installation and servicing of electrical systems.

XM Satellite Radio Holdings Inc. (XM) was one of the three satellite radio (SDARS) and online radio services in the United States and Canada, operated by Sirius XM Holdings. It provided pay-for-service radio, analogous to subscription cable television. Its service included 73 different music channels, 39 news, sports, talk and entertainment channels, 21 regional traffic and weather channels, and 23 play-by-play sports channels. XM channels were identified by Arbitron with the label "XM".

FIX vs SIRI — Head-to-Head

Bigger by revenue
FIX
FIX
1.3× larger
FIX
$2.6B
$2.1B
SIRI
Growing faster (revenue YoY)
FIX
FIX
+40.6% gap
FIX
41.7%
1.1%
SIRI
Higher net margin
FIX
FIX
0.8% more per $
FIX
12.5%
11.7%
SIRI
More free cash flow
FIX
FIX
$402.3M more FCF
FIX
$402.4M
$171.0K
SIRI
Faster 2-yr revenue CAGR
FIX
FIX
Annualised
FIX
31.2%
-2.0%
SIRI

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
FIX
FIX
SIRI
SIRI
Revenue
$2.6B
$2.1B
Net Profit
$330.8M
$245.0M
Gross Margin
25.5%
Operating Margin
16.1%
21.7%
Net Margin
12.5%
11.7%
Revenue YoY
41.7%
1.1%
Net Profit YoY
126.8%
EPS (diluted)
$9.35
$0.72

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
FIX
FIX
SIRI
SIRI
Q1 26
$2.1B
Q4 25
$2.6B
$2.2B
Q3 25
$2.5B
$2.2B
Q2 25
$2.2B
$2.1B
Q1 25
$1.8B
$2.1B
Q4 24
$1.9B
$2.2B
Q3 24
$1.8B
$2.2B
Q2 24
$1.8B
$2.2B
Net Profit
FIX
FIX
SIRI
SIRI
Q1 26
$245.0M
Q4 25
$330.8M
$99.0M
Q3 25
$291.6M
$297.0M
Q2 25
$230.8M
$205.0M
Q1 25
$169.3M
$204.0M
Q4 24
$145.9M
$222.0M
Q3 24
$146.2M
$-2.5B
Q2 24
$134.0M
$304.0M
Gross Margin
FIX
FIX
SIRI
SIRI
Q1 26
Q4 25
25.5%
53.1%
Q3 25
24.8%
52.2%
Q2 25
23.5%
52.4%
Q1 25
22.0%
52.0%
Q4 24
23.2%
52.9%
Q3 24
21.1%
53.2%
Q2 24
20.1%
53.5%
Operating Margin
FIX
FIX
SIRI
SIRI
Q1 26
21.7%
Q4 25
16.1%
10.3%
Q3 25
15.5%
22.8%
Q2 25
13.8%
17.1%
Q1 25
11.4%
18.7%
Q4 24
12.1%
20.2%
Q3 24
11.2%
-133.6%
Q2 24
10.2%
23.2%
Net Margin
FIX
FIX
SIRI
SIRI
Q1 26
11.7%
Q4 25
12.5%
4.5%
Q3 25
11.9%
13.8%
Q2 25
10.6%
9.6%
Q1 25
9.2%
9.9%
Q4 24
7.8%
10.1%
Q3 24
8.1%
-113.1%
Q2 24
7.4%
14.0%
EPS (diluted)
FIX
FIX
SIRI
SIRI
Q1 26
$0.72
Q4 25
$9.35
$0.23
Q3 25
$8.25
$0.84
Q2 25
$6.53
$0.57
Q1 25
$4.75
$0.59
Q4 24
$4.08
$2.45
Q3 24
$4.09
$-8.74
Q2 24
$3.74
$0.08

Balance Sheet & Financial Strength

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

Metric
FIX
FIX
SIRI
SIRI
Cash + ST InvestmentsLiquidity on hand
$981.9M
$75.0M
Total DebtLower is stronger
$145.2M
Stockholders' EquityBook value
$2.4B
$11.7B
Total Assets
$6.4B
$27.1B
Debt / EquityLower = less leverage
0.06×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FIX
FIX
SIRI
SIRI
Q1 26
$75.0M
Q4 25
$981.9M
$94.0M
Q3 25
$860.5M
$79.0M
Q2 25
$331.7M
$92.0M
Q1 25
$204.8M
$127.0M
Q4 24
$549.9M
$162.0M
Q3 24
$415.6M
$127.0M
Q2 24
$199.4M
$100.0M
Total Debt
FIX
FIX
SIRI
SIRI
Q1 26
Q4 25
$145.2M
$8.6B
Q3 25
$136.0M
$9.0B
Q2 25
$73.0M
$10.1B
Q1 25
$67.8M
$10.4B
Q4 24
$68.3M
$10.3B
Q3 24
$62.3M
$10.1B
Q2 24
$73.4M
$9.0B
Stockholders' Equity
FIX
FIX
SIRI
SIRI
Q1 26
$11.7B
Q4 25
$2.4B
$11.6B
Q3 25
$2.2B
$11.6B
Q2 25
$2.0B
$11.3B
Q1 25
$1.8B
$11.2B
Q4 24
$1.7B
$11.1B
Q3 24
$1.6B
$10.9B
Q2 24
$1.5B
$-2.1B
Total Assets
FIX
FIX
SIRI
SIRI
Q1 26
$27.1B
Q4 25
$6.4B
$27.2B
Q3 25
$5.8B
$27.4B
Q2 25
$5.1B
$27.3B
Q1 25
$4.6B
$27.4B
Q4 24
$4.7B
$27.5B
Q3 24
$4.4B
$27.5B
Q2 24
$4.2B
$11.2B
Debt / Equity
FIX
FIX
SIRI
SIRI
Q1 26
Q4 25
0.06×
0.75×
Q3 25
0.06×
0.78×
Q2 25
0.04×
0.89×
Q1 25
0.04×
0.93×
Q4 24
0.04×
0.93×
Q3 24
0.04×
0.93×
Q2 24
0.05×

Cash Flow & Capital Efficiency

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

Metric
FIX
FIX
SIRI
SIRI
Operating Cash FlowLast quarter
$468.5M
$271.0M
Free Cash FlowOCF − Capex
$402.4M
$171.0K
FCF MarginFCF / Revenue
15.2%
0.0%
Capex IntensityCapex / Revenue
2.5%
Cash ConversionOCF / Net Profit
1.42×
1.11×
TTM Free Cash FlowTrailing 4 quarters
$1.0B
$1.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FIX
FIX
SIRI
SIRI
Q1 26
$271.0M
Q4 25
$468.5M
$680.0M
Q3 25
$553.3M
$430.0M
Q2 25
$252.5M
$546.0M
Q1 25
$-88.0M
$242.0M
Q4 24
$210.5M
$679.0M
Q3 24
$302.2M
$240.0M
Q2 24
$189.9M
$514.0M
Free Cash Flow
FIX
FIX
SIRI
SIRI
Q1 26
$171.0K
Q4 25
$402.4M
$536.0M
Q3 25
$517.9M
$255.0M
Q2 25
$221.2M
$401.0M
Q1 25
$-110.2M
$53.0M
Q4 24
$169.8M
$514.0M
Q3 24
$280.1M
$24.0M
Q2 24
$166.5M
$341.0M
FCF Margin
FIX
FIX
SIRI
SIRI
Q1 26
0.0%
Q4 25
15.2%
24.4%
Q3 25
21.1%
11.8%
Q2 25
10.2%
18.8%
Q1 25
-6.0%
2.6%
Q4 24
9.1%
23.5%
Q3 24
15.5%
1.1%
Q2 24
9.2%
15.7%
Capex Intensity
FIX
FIX
SIRI
SIRI
Q1 26
Q4 25
2.5%
6.6%
Q3 25
1.4%
8.1%
Q2 25
1.4%
6.8%
Q1 25
1.2%
9.1%
Q4 24
2.2%
7.5%
Q3 24
1.2%
9.9%
Q2 24
1.3%
7.9%
Cash Conversion
FIX
FIX
SIRI
SIRI
Q1 26
1.11×
Q4 25
1.42×
6.87×
Q3 25
1.90×
1.45×
Q2 25
1.09×
2.66×
Q1 25
-0.52×
1.19×
Q4 24
1.44×
3.06×
Q3 24
2.07×
Q2 24
1.42×
1.69×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FIX
FIX

Electrical Segment$823.7M31%
Manufacturing Customer$542.7M21%
Existing Building Construction$491.4M19%
Healthcare Sector Customer$220.8M8%
Service Projects$153.0M6%
Education$137.5M5%
Government Customer$131.0M5%
Office Building Customer$88.2M3%
Other Customer$40.7M2%
Multi Family And Residential$33.7M1%

SIRI
SIRI

Subscriber revenue$1.5B71%
Other$501.0M24%
Equipment revenue$41.0M2%
Advertising revenue$35.0M2%
Other revenue$31.0M1%

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