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

Post Holdings, Inc. is the larger business by last-quarter revenue ($2.2B vs $1.2B, roughly 1.9× ILLUMINA, INC.). ILLUMINA, INC. runs the higher net margin — 28.8% vs 4.5%, a 24.4% gap on every dollar of revenue. On growth, Post Holdings, Inc. posted the faster year-over-year revenue change (10.1% vs 5.0%). ILLUMINA, INC. produced more free cash flow last quarter ($267.0M vs $119.3M). Over the past eight quarters, Post Holdings, Inc.'s revenue compounded faster (4.3% CAGR vs -0.7%).

Illumina, Inc. is an American biotechnology company, headquartered in San Diego, California. Incorporated on April 1, 1998, Illumina develops, manufactures, and markets integrated systems for the analysis of genetic variation and biological function. The company provides a line of products and services that serves the sequencing, genotyping and gene expression, and proteomics markets, and serves more than 155 countries.

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

ILMN vs POST — Head-to-Head

Bigger by revenue
POST
POST
1.9× larger
POST
$2.2B
$1.2B
ILMN
Growing faster (revenue YoY)
POST
POST
+5.1% gap
POST
10.1%
5.0%
ILMN
Higher net margin
ILMN
ILMN
24.4% more per $
ILMN
28.8%
4.5%
POST
More free cash flow
ILMN
ILMN
$147.7M more FCF
ILMN
$267.0M
$119.3M
POST
Faster 2-yr revenue CAGR
POST
POST
Annualised
POST
4.3%
-0.7%
ILMN

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ILMN
ILMN
POST
POST
Revenue
$1.2B
$2.2B
Net Profit
$334.0M
$96.8M
Gross Margin
65.5%
29.4%
Operating Margin
17.4%
11.0%
Net Margin
28.8%
4.5%
Revenue YoY
5.0%
10.1%
Net Profit YoY
185.5%
-14.6%
EPS (diluted)
$2.16
$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
ILMN
ILMN
POST
POST
Q4 25
$1.2B
$2.2B
Q3 25
$2.2B
Q2 25
$2.0B
Q1 25
$2.0B
Q4 24
$1.1B
$2.0B
Q3 24
$1.1B
$2.0B
Q2 24
$1.1B
$1.9B
Q1 24
$1.1B
$2.0B
Net Profit
ILMN
ILMN
POST
POST
Q4 25
$334.0M
$96.8M
Q3 25
$51.0M
Q2 25
$108.8M
Q1 25
$62.6M
Q4 24
$186.0M
$113.3M
Q3 24
$705.0M
$81.6M
Q2 24
$-2.0B
$99.8M
Q1 24
$-126.0M
$97.2M
Gross Margin
ILMN
ILMN
POST
POST
Q4 25
65.5%
29.4%
Q3 25
26.8%
Q2 25
30.0%
Q1 25
28.0%
Q4 24
65.9%
30.1%
Q3 24
69.0%
28.6%
Q2 24
64.8%
29.6%
Q1 24
62.0%
29.0%
Operating Margin
ILMN
ILMN
POST
POST
Q4 25
17.4%
11.0%
Q3 25
7.5%
Q2 25
11.8%
Q1 25
9.3%
Q4 24
15.8%
10.8%
Q3 24
68.6%
9.5%
Q2 24
-147.2%
10.4%
Q1 24
-10.3%
9.5%
Net Margin
ILMN
ILMN
POST
POST
Q4 25
28.8%
4.5%
Q3 25
2.3%
Q2 25
5.5%
Q1 25
3.2%
Q4 24
16.8%
5.7%
Q3 24
65.3%
4.1%
Q2 24
-178.8%
5.1%
Q1 24
-11.7%
4.9%
EPS (diluted)
ILMN
ILMN
POST
POST
Q4 25
$2.16
$1.71
Q3 25
$0.91
Q2 25
$1.79
Q1 25
$1.03
Q4 24
$1.16
$1.78
Q3 24
$4.42
$1.28
Q2 24
$-12.48
$1.53
Q1 24
$-0.79
$1.48

Balance Sheet & Financial Strength

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

Metric
ILMN
ILMN
POST
POST
Cash + ST InvestmentsLiquidity on hand
$1.6B
$279.3M
Total DebtLower is stronger
$7.5B
Stockholders' EquityBook value
$2.7B
$3.5B
Total Assets
$6.6B
$13.0B
Debt / EquityLower = less leverage
2.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ILMN
ILMN
POST
POST
Q4 25
$1.6B
$279.3M
Q3 25
$176.7M
Q2 25
$1.1B
Q1 25
$617.6M
Q4 24
$93.0M
$872.9M
Q3 24
$70.0M
$787.4M
Q2 24
$74.0M
$333.8M
Q1 24
$333.4M
Total Debt
ILMN
ILMN
POST
POST
Q4 25
$7.5B
Q3 25
$7.4B
Q2 25
$7.3B
Q1 25
$6.9B
Q4 24
$6.9B
Q3 24
$6.8B
Q2 24
$6.4B
Q1 24
$6.4B
Stockholders' Equity
ILMN
ILMN
POST
POST
Q4 25
$2.7B
$3.5B
Q3 25
$3.8B
Q2 25
$4.0B
Q1 25
$3.8B
Q4 24
$2.4B
$3.9B
Q3 24
$2.1B
$4.1B
Q2 24
$1.4B
$3.9B
Q1 24
$5.7B
$4.0B
Total Assets
ILMN
ILMN
POST
POST
Q4 25
$6.6B
$13.0B
Q3 25
$13.5B
Q2 25
$13.4B
Q1 25
$12.8B
Q4 24
$6.3B
$12.8B
Q3 24
$6.0B
$12.9B
Q2 24
$6.1B
$12.1B
Q1 24
$10.0B
$12.2B
Debt / Equity
ILMN
ILMN
POST
POST
Q4 25
2.16×
Q3 25
1.98×
Q2 25
1.84×
Q1 25
1.81×
Q4 24
1.79×
Q3 24
1.67×
Q2 24
1.62×
Q1 24
1.61×

Cash Flow & Capital Efficiency

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

Metric
ILMN
ILMN
POST
POST
Operating Cash FlowLast quarter
$321.0M
$235.7M
Free Cash FlowOCF − Capex
$267.0M
$119.3M
FCF MarginFCF / Revenue
23.0%
5.5%
Capex IntensityCapex / Revenue
5.4%
Cash ConversionOCF / Net Profit
0.96×
2.43×
TTM Free Cash FlowTrailing 4 quarters
$935.0M
$436.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ILMN
ILMN
POST
POST
Q4 25
$321.0M
$235.7M
Q3 25
$301.3M
Q2 25
$225.9M
Q1 25
$160.7M
Q4 24
$364.0M
$310.4M
Q3 24
$316.0M
$235.4M
Q2 24
$80.0M
$272.3M
Q1 24
$77.0M
$249.6M
Free Cash Flow
ILMN
ILMN
POST
POST
Q4 25
$267.0M
$119.3M
Q3 25
$151.6M
Q2 25
$94.9M
Q1 25
$70.2M
Q4 24
$335.0M
$171.4M
Q3 24
$284.0M
$96.2M
Q2 24
$49.0M
$161.5M
Q1 24
$41.0M
$150.9M
FCF Margin
ILMN
ILMN
POST
POST
Q4 25
23.0%
5.5%
Q3 25
6.7%
Q2 25
4.8%
Q1 25
3.6%
Q4 24
30.3%
8.7%
Q3 24
26.3%
4.8%
Q2 24
4.4%
8.3%
Q1 24
3.8%
7.5%
Capex Intensity
ILMN
ILMN
POST
POST
Q4 25
5.4%
Q3 25
6.7%
Q2 25
6.6%
Q1 25
4.6%
Q4 24
2.6%
7.0%
Q3 24
3.0%
6.9%
Q2 24
2.8%
5.7%
Q1 24
3.3%
4.9%
Cash Conversion
ILMN
ILMN
POST
POST
Q4 25
0.96×
2.43×
Q3 25
5.91×
Q2 25
2.08×
Q1 25
2.57×
Q4 24
1.96×
2.74×
Q3 24
0.45×
2.88×
Q2 24
2.73×
Q1 24
2.57×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ILMN
ILMN

Product revenue$990.0M85%
Service and other revenue$169.0M15%

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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