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Side-by-side financial comparison of AECOM (ACM) and Post Holdings, Inc. (POST). Click either name above to swap in a different company.

AECOM is the larger business by last-quarter revenue ($3.8B vs $2.2B, roughly 1.8× Post Holdings, Inc.). Post Holdings, Inc. runs the higher net margin — 4.5% vs 1.9%, a 2.5% gap on every dollar of revenue. On growth, Post Holdings, Inc. posted the faster year-over-year revenue change (10.1% vs 1.6%). Post Holdings, Inc. produced more free cash flow last quarter ($119.3M vs $41.9M). Over the past eight quarters, Post Holdings, Inc.'s revenue compounded faster (4.3% CAGR vs -1.4%).

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

Post Consumer Brands, LLC, also known as Post, is an American consumer packaged goods food manufacturer headquartered in Lakeville, Minnesota.

ACM vs POST — Head-to-Head

Bigger by revenue
ACM
ACM
1.8× larger
ACM
$3.8B
$2.2B
POST
Growing faster (revenue YoY)
POST
POST
+8.6% gap
POST
10.1%
1.6%
ACM
Higher net margin
POST
POST
2.5% more per $
POST
4.5%
1.9%
ACM
More free cash flow
POST
POST
$77.4M more FCF
POST
$119.3M
$41.9M
ACM
Faster 2-yr revenue CAGR
POST
POST
Annualised
POST
4.3%
-1.4%
ACM

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
ACM
ACM
POST
POST
Revenue
$3.8B
$2.2B
Net Profit
$74.5M
$96.8M
Gross Margin
7.3%
29.4%
Operating Margin
5.8%
11.0%
Net Margin
1.9%
4.5%
Revenue YoY
1.6%
10.1%
Net Profit YoY
-48.0%
-14.6%
EPS (diluted)
$0.56
$1.71

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
POST
POST
Q1 26
$3.8B
Q4 25
$2.2B
Q3 25
$4.2B
$2.2B
Q2 25
$4.2B
$2.0B
Q1 25
$3.8B
$2.0B
Q4 24
$4.0B
$2.0B
Q3 24
$4.1B
$2.0B
Q2 24
$4.2B
$1.9B
Net Profit
ACM
ACM
POST
POST
Q1 26
$74.5M
Q4 25
$96.8M
Q3 25
$120.4M
$51.0M
Q2 25
$131.0M
$108.8M
Q1 25
$143.4M
$62.6M
Q4 24
$167.0M
$113.3M
Q3 24
$172.5M
$81.6M
Q2 24
$134.3M
$99.8M
Gross Margin
ACM
ACM
POST
POST
Q1 26
7.3%
Q4 25
29.4%
Q3 25
7.9%
26.8%
Q2 25
7.8%
30.0%
Q1 25
7.7%
28.0%
Q4 24
6.7%
30.1%
Q3 24
7.2%
28.6%
Q2 24
6.9%
29.6%
Operating Margin
ACM
ACM
POST
POST
Q1 26
5.8%
Q4 25
11.0%
Q3 25
5.7%
7.5%
Q2 25
7.0%
11.8%
Q1 25
6.8%
9.3%
Q4 24
5.9%
10.8%
Q3 24
5.8%
9.5%
Q2 24
5.5%
10.4%
Net Margin
ACM
ACM
POST
POST
Q1 26
1.9%
Q4 25
4.5%
Q3 25
2.9%
2.3%
Q2 25
3.1%
5.5%
Q1 25
3.8%
3.2%
Q4 24
4.2%
5.7%
Q3 24
4.2%
4.1%
Q2 24
3.2%
5.1%
EPS (diluted)
ACM
ACM
POST
POST
Q1 26
$0.56
Q4 25
$1.71
Q3 25
$0.90
$0.91
Q2 25
$0.98
$1.79
Q1 25
$1.08
$1.03
Q4 24
$1.25
$1.78
Q3 24
$1.27
$1.28
Q2 24
$0.98
$1.53

Balance Sheet & Financial Strength

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

Metric
ACM
ACM
POST
POST
Cash + ST InvestmentsLiquidity on hand
$1.2B
$279.3M
Total DebtLower is stronger
$2.6B
$7.5B
Stockholders' EquityBook value
$2.2B
$3.5B
Total Assets
$11.9B
$13.0B
Debt / EquityLower = less leverage
1.18×
2.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACM
ACM
POST
POST
Q1 26
$1.2B
Q4 25
$279.3M
Q3 25
$1.6B
$176.7M
Q2 25
$1.8B
$1.1B
Q1 25
$1.6B
$617.6M
Q4 24
$1.6B
$872.9M
Q3 24
$1.6B
$787.4M
Q2 24
$1.6B
$333.8M
Total Debt
ACM
ACM
POST
POST
Q1 26
$2.6B
Q4 25
$7.5B
Q3 25
$2.6B
$7.4B
Q2 25
$2.5B
$7.3B
Q1 25
$2.5B
$6.9B
Q4 24
$2.5B
$6.9B
Q3 24
$2.5B
$6.8B
Q2 24
$2.5B
$6.4B
Stockholders' Equity
ACM
ACM
POST
POST
Q1 26
$2.2B
Q4 25
$3.5B
Q3 25
$2.5B
$3.8B
Q2 25
$2.5B
$4.0B
Q1 25
$2.3B
$3.8B
Q4 24
$2.2B
$3.9B
Q3 24
$2.2B
$4.1B
Q2 24
$2.3B
$3.9B
Total Assets
ACM
ACM
POST
POST
Q1 26
$11.9B
Q4 25
$13.0B
Q3 25
$12.2B
$13.5B
Q2 25
$12.3B
$13.4B
Q1 25
$11.8B
$12.8B
Q4 24
$11.8B
$12.8B
Q3 24
$12.1B
$12.9B
Q2 24
$12.0B
$12.1B
Debt / Equity
ACM
ACM
POST
POST
Q1 26
1.18×
Q4 25
2.16×
Q3 25
1.06×
1.98×
Q2 25
0.99×
1.84×
Q1 25
1.07×
1.81×
Q4 24
1.11×
1.79×
Q3 24
1.12×
1.67×
Q2 24
1.07×
1.62×

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
POST
POST
Operating Cash FlowLast quarter
$70.2M
$235.7M
Free Cash FlowOCF − Capex
$41.9M
$119.3M
FCF MarginFCF / Revenue
1.1%
5.5%
Capex IntensityCapex / Revenue
0.7%
5.4%
Cash ConversionOCF / Net Profit
0.94×
2.43×
TTM Free Cash FlowTrailing 4 quarters
$616.0M
$436.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACM
ACM
POST
POST
Q1 26
$70.2M
Q4 25
$235.7M
Q3 25
$196.1M
$301.3M
Q2 25
$283.7M
$225.9M
Q1 25
$190.7M
$160.7M
Q4 24
$151.1M
$310.4M
Q3 24
$298.8M
$235.4M
Q2 24
$291.3M
$272.3M
Free Cash Flow
ACM
ACM
POST
POST
Q1 26
$41.9M
Q4 25
$119.3M
Q3 25
$134.1M
$151.6M
Q2 25
$261.7M
$94.9M
Q1 25
$178.3M
$70.2M
Q4 24
$110.9M
$171.4M
Q3 24
$274.5M
$96.2M
Q2 24
$272.8M
$161.5M
FCF Margin
ACM
ACM
POST
POST
Q1 26
1.1%
Q4 25
5.5%
Q3 25
3.2%
6.7%
Q2 25
6.3%
4.8%
Q1 25
4.7%
3.6%
Q4 24
2.8%
8.7%
Q3 24
6.7%
4.8%
Q2 24
6.6%
8.3%
Capex Intensity
ACM
ACM
POST
POST
Q1 26
0.7%
Q4 25
5.4%
Q3 25
1.5%
6.7%
Q2 25
0.5%
6.6%
Q1 25
0.3%
4.6%
Q4 24
1.0%
7.0%
Q3 24
0.6%
6.9%
Q2 24
0.4%
5.7%
Cash Conversion
ACM
ACM
POST
POST
Q1 26
0.94×
Q4 25
2.43×
Q3 25
1.63×
5.91×
Q2 25
2.17×
2.08×
Q1 25
1.33×
2.57×
Q4 24
0.90×
2.74×
Q3 24
1.73×
2.88×
Q2 24
2.17×
2.73×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACM
ACM

Segment breakdown not available.

POST
POST

Post Consumer Brands Segment$1.1B51%
Pet Food$360.4M17%
Side Dishes$221.5M10%
Weetabix$137.9M6%
Other$122.1M6%
Nut Butters$105.8M5%
Sausage$53.1M2%
Cheeseand Dairy$41.3M2%
Protein Based Shakes$29.3M1%
Bell Ring$18.1M1%

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