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

AECOM is the larger business by last-quarter revenue ($3.8B vs $2.1B, roughly 1.8× SIRIUS XM HOLDINGS INC.). SIRIUS XM HOLDINGS INC. runs the higher net margin — 11.7% vs 1.9%, a 9.8% gap on every dollar of revenue. On growth, AECOM posted the faster year-over-year revenue change (1.6% vs 1.1%). AECOM produced more free cash flow last quarter ($41.9M vs $171.0K). Over the past eight quarters, AECOM's revenue compounded faster (-1.4% CAGR vs -2.0%).

AECOM is an American multinational infrastructure consulting firm headquartered in Dallas, Texas.

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".

ACM vs SIRI — Head-to-Head

Bigger by revenue
ACM
ACM
1.8× larger
ACM
$3.8B
$2.1B
SIRI
Growing faster (revenue YoY)
ACM
ACM
+0.5% gap
ACM
1.6%
1.1%
SIRI
Higher net margin
SIRI
SIRI
9.8% more per $
SIRI
11.7%
1.9%
ACM
More free cash flow
ACM
ACM
$41.7M more FCF
ACM
$41.9M
$171.0K
SIRI
Faster 2-yr revenue CAGR
ACM
ACM
Annualised
ACM
-1.4%
-2.0%
SIRI

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
ACM
ACM
SIRI
SIRI
Revenue
$3.8B
$2.1B
Net Profit
$74.5M
$245.0M
Gross Margin
7.3%
Operating Margin
5.8%
21.7%
Net Margin
1.9%
11.7%
Revenue YoY
1.6%
1.1%
Net Profit YoY
-48.0%
EPS (diluted)
$0.56
$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
ACM
ACM
SIRI
SIRI
Q1 26
$3.8B
$2.1B
Q4 25
$2.2B
Q3 25
$4.2B
$2.2B
Q2 25
$4.2B
$2.1B
Q1 25
$3.8B
$2.1B
Q4 24
$4.0B
$2.2B
Q3 24
$4.1B
$2.2B
Q2 24
$4.2B
$2.2B
Net Profit
ACM
ACM
SIRI
SIRI
Q1 26
$74.5M
$245.0M
Q4 25
$99.0M
Q3 25
$120.4M
$297.0M
Q2 25
$131.0M
$205.0M
Q1 25
$143.4M
$204.0M
Q4 24
$167.0M
$222.0M
Q3 24
$172.5M
$-2.5B
Q2 24
$134.3M
$304.0M
Gross Margin
ACM
ACM
SIRI
SIRI
Q1 26
7.3%
Q4 25
53.1%
Q3 25
7.9%
52.2%
Q2 25
7.8%
52.4%
Q1 25
7.7%
52.0%
Q4 24
6.7%
52.9%
Q3 24
7.2%
53.2%
Q2 24
6.9%
53.5%
Operating Margin
ACM
ACM
SIRI
SIRI
Q1 26
5.8%
21.7%
Q4 25
10.3%
Q3 25
5.7%
22.8%
Q2 25
7.0%
17.1%
Q1 25
6.8%
18.7%
Q4 24
5.9%
20.2%
Q3 24
5.8%
-133.6%
Q2 24
5.5%
23.2%
Net Margin
ACM
ACM
SIRI
SIRI
Q1 26
1.9%
11.7%
Q4 25
4.5%
Q3 25
2.9%
13.8%
Q2 25
3.1%
9.6%
Q1 25
3.8%
9.9%
Q4 24
4.2%
10.1%
Q3 24
4.2%
-113.1%
Q2 24
3.2%
14.0%
EPS (diluted)
ACM
ACM
SIRI
SIRI
Q1 26
$0.56
$0.72
Q4 25
$0.23
Q3 25
$0.90
$0.84
Q2 25
$0.98
$0.57
Q1 25
$1.08
$0.59
Q4 24
$1.25
$2.45
Q3 24
$1.27
$-8.74
Q2 24
$0.98
$0.08

Balance Sheet & Financial Strength

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

Metric
ACM
ACM
SIRI
SIRI
Cash + ST InvestmentsLiquidity on hand
$1.2B
$75.0M
Total DebtLower is stronger
$2.6B
Stockholders' EquityBook value
$2.2B
$11.7B
Total Assets
$11.9B
$27.1B
Debt / EquityLower = less leverage
1.18×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACM
ACM
SIRI
SIRI
Q1 26
$1.2B
$75.0M
Q4 25
$94.0M
Q3 25
$1.6B
$79.0M
Q2 25
$1.8B
$92.0M
Q1 25
$1.6B
$127.0M
Q4 24
$1.6B
$162.0M
Q3 24
$1.6B
$127.0M
Q2 24
$1.6B
$100.0M
Total Debt
ACM
ACM
SIRI
SIRI
Q1 26
$2.6B
Q4 25
$8.6B
Q3 25
$2.6B
$9.0B
Q2 25
$2.5B
$10.1B
Q1 25
$2.5B
$10.4B
Q4 24
$2.5B
$10.3B
Q3 24
$2.5B
$10.1B
Q2 24
$2.5B
$9.0B
Stockholders' Equity
ACM
ACM
SIRI
SIRI
Q1 26
$2.2B
$11.7B
Q4 25
$11.6B
Q3 25
$2.5B
$11.6B
Q2 25
$2.5B
$11.3B
Q1 25
$2.3B
$11.2B
Q4 24
$2.2B
$11.1B
Q3 24
$2.2B
$10.9B
Q2 24
$2.3B
$-2.1B
Total Assets
ACM
ACM
SIRI
SIRI
Q1 26
$11.9B
$27.1B
Q4 25
$27.2B
Q3 25
$12.2B
$27.4B
Q2 25
$12.3B
$27.3B
Q1 25
$11.8B
$27.4B
Q4 24
$11.8B
$27.5B
Q3 24
$12.1B
$27.5B
Q2 24
$12.0B
$11.2B
Debt / Equity
ACM
ACM
SIRI
SIRI
Q1 26
1.18×
Q4 25
0.75×
Q3 25
1.06×
0.78×
Q2 25
0.99×
0.89×
Q1 25
1.07×
0.93×
Q4 24
1.11×
0.93×
Q3 24
1.12×
0.93×
Q2 24
1.07×

Cash Flow & Capital Efficiency

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

Metric
ACM
ACM
SIRI
SIRI
Operating Cash FlowLast quarter
$70.2M
$271.0M
Free Cash FlowOCF − Capex
$41.9M
$171.0K
FCF MarginFCF / Revenue
1.1%
0.0%
Capex IntensityCapex / Revenue
0.7%
Cash ConversionOCF / Net Profit
0.94×
1.11×
TTM Free Cash FlowTrailing 4 quarters
$616.0M
$1.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACM
ACM
SIRI
SIRI
Q1 26
$70.2M
$271.0M
Q4 25
$680.0M
Q3 25
$196.1M
$430.0M
Q2 25
$283.7M
$546.0M
Q1 25
$190.7M
$242.0M
Q4 24
$151.1M
$679.0M
Q3 24
$298.8M
$240.0M
Q2 24
$291.3M
$514.0M
Free Cash Flow
ACM
ACM
SIRI
SIRI
Q1 26
$41.9M
$171.0K
Q4 25
$536.0M
Q3 25
$134.1M
$255.0M
Q2 25
$261.7M
$401.0M
Q1 25
$178.3M
$53.0M
Q4 24
$110.9M
$514.0M
Q3 24
$274.5M
$24.0M
Q2 24
$272.8M
$341.0M
FCF Margin
ACM
ACM
SIRI
SIRI
Q1 26
1.1%
0.0%
Q4 25
24.4%
Q3 25
3.2%
11.8%
Q2 25
6.3%
18.8%
Q1 25
4.7%
2.6%
Q4 24
2.8%
23.5%
Q3 24
6.7%
1.1%
Q2 24
6.6%
15.7%
Capex Intensity
ACM
ACM
SIRI
SIRI
Q1 26
0.7%
Q4 25
6.6%
Q3 25
1.5%
8.1%
Q2 25
0.5%
6.8%
Q1 25
0.3%
9.1%
Q4 24
1.0%
7.5%
Q3 24
0.6%
9.9%
Q2 24
0.4%
7.9%
Cash Conversion
ACM
ACM
SIRI
SIRI
Q1 26
0.94×
1.11×
Q4 25
6.87×
Q3 25
1.63×
1.45×
Q2 25
2.17×
2.66×
Q1 25
1.33×
1.19×
Q4 24
0.90×
3.06×
Q3 24
1.73×
Q2 24
2.17×
1.69×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACM
ACM

Segment breakdown not available.

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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