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Side-by-side financial comparison of AMERICAN FINANCIAL GROUP INC (AFG) and Biogen (BIIB). Click either name above to swap in a different company.

Biogen is the larger business by last-quarter revenue ($2.3B vs $2.1B, roughly 1.1× AMERICAN FINANCIAL GROUP INC). AMERICAN FINANCIAL GROUP INC runs the higher net margin — 14.5% vs -2.1%, a 16.6% gap on every dollar of revenue. On growth, AMERICAN FINANCIAL GROUP INC posted the faster year-over-year revenue change (-4.0% vs -7.1%). Over the past eight quarters, AMERICAN FINANCIAL GROUP INC's revenue compounded faster (4.0% CAGR vs -0.2%).

The Western Union Company is an American multinational financial services corporation headquartered in Denver, Colorado.

Biogen Inc. is an American multinational biotechnology company based in Cambridge, Massachusetts, United States specializing in the treatment of neurological diseases. The company's primary products are dimethyl fumarate (Tecfidera), diroximel fumarate (Vumerity), interferon beta-1a (AVONEX), peginterferon beta-1a (Plegridy), and natalizumab (Tysabri), all for the treatment of multiple sclerosis ; nusinersen (Spinraza) for the treatment of spinal muscular atrophy ; omaveloxolone (Skyclarys) for ...

AFG vs BIIB — Head-to-Head

Bigger by revenue
BIIB
BIIB
1.1× larger
BIIB
$2.3B
$2.1B
AFG
Growing faster (revenue YoY)
AFG
AFG
+3.1% gap
AFG
-4.0%
-7.1%
BIIB
Higher net margin
AFG
AFG
16.6% more per $
AFG
14.5%
-2.1%
BIIB
Faster 2-yr revenue CAGR
AFG
AFG
Annualised
AFG
4.0%
-0.2%
BIIB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AFG
AFG
BIIB
BIIB
Revenue
$2.1B
$2.3B
Net Profit
$299.0M
$-48.9M
Gross Margin
78.3%
Operating Margin
18.4%
-2.5%
Net Margin
14.5%
-2.1%
Revenue YoY
-4.0%
-7.1%
Net Profit YoY
17.3%
-118.3%
EPS (diluted)
$3.59
$-0.35

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
AFG
AFG
BIIB
BIIB
Q4 25
$2.1B
$2.3B
Q3 25
$2.3B
$2.5B
Q2 25
$1.9B
$2.6B
Q1 25
$1.9B
$2.4B
Q4 24
$2.1B
$2.5B
Q3 24
$2.4B
$2.5B
Q2 24
$1.9B
$2.5B
Q1 24
$1.9B
$2.3B
Net Profit
AFG
AFG
BIIB
BIIB
Q4 25
$299.0M
$-48.9M
Q3 25
$215.0M
$466.5M
Q2 25
$174.0M
$634.8M
Q1 25
$154.0M
$240.5M
Q4 24
$255.0M
$266.7M
Q3 24
$181.0M
$388.5M
Q2 24
$209.0M
$583.6M
Q1 24
$242.0M
$393.4M
Gross Margin
AFG
AFG
BIIB
BIIB
Q4 25
78.3%
Q3 25
73.4%
Q2 25
77.1%
Q1 25
74.1%
Q4 24
76.2%
Q3 24
74.1%
Q2 24
77.8%
Q1 24
76.3%
Operating Margin
AFG
AFG
BIIB
BIIB
Q4 25
18.4%
-2.5%
Q3 25
11.5%
22.0%
Q2 25
11.9%
28.1%
Q1 25
10.6%
12.8%
Q4 24
14.9%
11.9%
Q3 24
9.7%
18.3%
Q2 24
14.3%
28.3%
Q1 24
15.9%
20.3%
Net Margin
AFG
AFG
BIIB
BIIB
Q4 25
14.5%
-2.1%
Q3 25
9.2%
18.4%
Q2 25
9.0%
24.0%
Q1 25
8.3%
9.9%
Q4 24
11.9%
10.9%
Q3 24
7.6%
15.8%
Q2 24
11.0%
23.7%
Q1 24
12.7%
17.2%
EPS (diluted)
AFG
AFG
BIIB
BIIB
Q4 25
$3.59
$-0.35
Q3 25
$2.58
$3.17
Q2 25
$2.07
$4.33
Q1 25
$1.84
$1.64
Q4 24
$3.03
$1.82
Q3 24
$2.16
$2.66
Q2 24
$2.49
$4.00
Q1 24
$2.89
$2.70

Balance Sheet & Financial Strength

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

Metric
AFG
AFG
BIIB
BIIB
Cash + ST InvestmentsLiquidity on hand
$1.7B
Total DebtLower is stronger
$1.8B
$6.3B
Stockholders' EquityBook value
$4.8B
$18.3B
Total Assets
$32.6B
$29.4B
Debt / EquityLower = less leverage
0.38×
0.34×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AFG
AFG
BIIB
BIIB
Q4 25
$1.7B
Q3 25
$1.8B
Q2 25
$1.3B
Q1 25
$1.3B
Q4 24
$1.4B
Q3 24
$1.3B
Q2 24
$1.1B
Q1 24
$1.1B
Total Debt
AFG
AFG
BIIB
BIIB
Q4 25
$1.8B
$6.3B
Q3 25
$1.8B
$6.3B
Q2 25
$1.5B
$6.3B
Q1 25
$1.5B
$4.5B
Q4 24
$1.5B
$6.3B
Q3 24
$1.5B
$4.5B
Q2 24
$1.5B
$6.3B
Q1 24
$1.5B
$6.3B
Stockholders' Equity
AFG
AFG
BIIB
BIIB
Q4 25
$4.8B
$18.3B
Q3 25
$4.7B
$18.2B
Q2 25
$4.5B
$17.6B
Q1 25
$4.4B
$17.0B
Q4 24
$4.5B
$16.7B
Q3 24
$4.7B
$16.4B
Q2 24
$4.4B
$15.9B
Q1 24
$4.2B
$15.2B
Total Assets
AFG
AFG
BIIB
BIIB
Q4 25
$32.6B
$29.4B
Q3 25
$33.8B
$29.2B
Q2 25
$30.7B
$28.3B
Q1 25
$30.3B
$28.0B
Q4 24
$30.8B
$28.0B
Q3 24
$32.6B
$28.3B
Q2 24
$29.9B
$26.8B
Q1 24
$30.0B
$26.6B
Debt / Equity
AFG
AFG
BIIB
BIIB
Q4 25
0.38×
0.34×
Q3 25
0.38×
0.35×
Q2 25
0.33×
0.36×
Q1 25
0.34×
0.27×
Q4 24
0.33×
0.38×
Q3 24
0.31×
0.28×
Q2 24
0.34×
0.40×
Q1 24
0.35×
0.41×

Cash Flow & Capital Efficiency

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

Metric
AFG
AFG
BIIB
BIIB
Operating Cash FlowLast quarter
$784.0M
$511.9M
Free Cash FlowOCF − Capex
$468.0M
FCF MarginFCF / Revenue
20.5%
Capex IntensityCapex / Revenue
1.9%
Cash ConversionOCF / Net Profit
2.62×
TTM Free Cash FlowTrailing 4 quarters
$2.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AFG
AFG
BIIB
BIIB
Q4 25
$784.0M
$511.9M
Q3 25
$216.0M
$1.3B
Q2 25
$191.0M
$160.9M
Q1 25
$342.0M
$259.3M
Q4 24
$674.0M
$760.9M
Q3 24
$459.0M
$935.6M
Q2 24
$-88.0M
$625.8M
Q1 24
$107.0M
$553.2M
Free Cash Flow
AFG
AFG
BIIB
BIIB
Q4 25
$468.0M
Q3 25
$1.2B
Q2 25
$134.3M
Q1 25
$222.2M
Q4 24
$721.6M
Q3 24
$900.6M
Q2 24
$592.3M
Q1 24
$507.3M
FCF Margin
AFG
AFG
BIIB
BIIB
Q4 25
20.5%
Q3 25
48.4%
Q2 25
5.1%
Q1 25
9.1%
Q4 24
29.4%
Q3 24
36.5%
Q2 24
24.0%
Q1 24
22.1%
Capex Intensity
AFG
AFG
BIIB
BIIB
Q4 25
1.9%
Q3 25
1.8%
Q2 25
1.0%
Q1 25
1.5%
Q4 24
1.6%
Q3 24
1.4%
Q2 24
1.4%
Q1 24
2.0%
Cash Conversion
AFG
AFG
BIIB
BIIB
Q4 25
2.62×
Q3 25
1.00×
2.73×
Q2 25
1.10×
0.25×
Q1 25
2.22×
1.08×
Q4 24
2.64×
2.85×
Q3 24
2.54×
2.41×
Q2 24
-0.42×
1.07×
Q1 24
0.44×
1.41×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AFG
AFG

Property And Casualty Insurance$2.0B96%
Other$83.0M4%

BIIB
BIIB

Products$1.7B73%
Tysabri Product$244.5M11%
AVONEX$119.2M5%
SKYCLARYS$88.9M4%
Alzheimers Collaboration$47.1M2%
IMRALDI$43.5M2%
TECFIDERA$36.9M2%
PLEGRIDY$24.7M1%
QALSODY$7.8M0%
BYOOVIZ$4.3M0%

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