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Side-by-side financial comparison of Biogen (BIIB) and Entergy (ETR). Click either name above to swap in a different company.

Entergy is the larger business by last-quarter revenue ($3.0B vs $2.3B, roughly 1.3× Biogen). Entergy runs the higher net margin — 8.1% vs -2.1%, a 10.3% gap on every dollar of revenue. On growth, Entergy posted the faster year-over-year revenue change (7.9% vs -7.1%). Biogen produced more free cash flow last quarter ($468.0M vs $-909.7M). Over the past eight quarters, Entergy's revenue compounded faster (2.9% CAGR vs -0.2%).

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 ...

Entergy Corporation is an American energy company engaged in electric power production and retail distribution operations in the Deep South of the United States. Entergy is headquartered in New Orleans, Louisiana, and generates and distributes electric power to three million customers in Arkansas, Louisiana, Mississippi and Texas. Entergy has approximately 24,000 megawatts of electric generating capacity, annual revenues of $11 billion and employs more than 12,000 people.

BIIB vs ETR — Head-to-Head

Bigger by revenue
ETR
ETR
1.3× larger
ETR
$3.0B
$2.3B
BIIB
Growing faster (revenue YoY)
ETR
ETR
+15.0% gap
ETR
7.9%
-7.1%
BIIB
Higher net margin
ETR
ETR
10.3% more per $
ETR
8.1%
-2.1%
BIIB
More free cash flow
BIIB
BIIB
$1.4B more FCF
BIIB
$468.0M
$-909.7M
ETR
Faster 2-yr revenue CAGR
ETR
ETR
Annualised
ETR
2.9%
-0.2%
BIIB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BIIB
BIIB
ETR
ETR
Revenue
$2.3B
$3.0B
Net Profit
$-48.9M
$240.5M
Gross Margin
78.3%
Operating Margin
-2.5%
18.4%
Net Margin
-2.1%
8.1%
Revenue YoY
-7.1%
7.9%
Net Profit YoY
-118.3%
-16.2%
EPS (diluted)
$-0.35
$0.51

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
BIIB
BIIB
ETR
ETR
Q4 25
$2.3B
$3.0B
Q3 25
$2.5B
$3.8B
Q2 25
$2.6B
$3.3B
Q1 25
$2.4B
$2.8B
Q4 24
$2.5B
$2.7B
Q3 24
$2.5B
$3.4B
Q2 24
$2.5B
$3.0B
Q1 24
$2.3B
$2.8B
Net Profit
BIIB
BIIB
ETR
ETR
Q4 25
$-48.9M
$240.5M
Q3 25
$466.5M
$698.4M
Q2 25
$634.8M
$472.0M
Q1 25
$240.5M
$362.4M
Q4 24
$266.7M
$287.2M
Q3 24
$388.5M
$645.8M
Q2 24
$583.6M
$51.7M
Q1 24
$393.4M
$76.5M
Gross Margin
BIIB
BIIB
ETR
ETR
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
BIIB
BIIB
ETR
ETR
Q4 25
-2.5%
18.4%
Q3 25
22.0%
29.4%
Q2 25
28.1%
25.2%
Q1 25
12.8%
24.6%
Q4 24
11.9%
24.4%
Q3 24
18.3%
33.2%
Q2 24
28.3%
20.9%
Q1 24
20.3%
8.5%
Net Margin
BIIB
BIIB
ETR
ETR
Q4 25
-2.1%
8.1%
Q3 25
18.4%
18.3%
Q2 25
24.0%
14.2%
Q1 25
9.9%
12.7%
Q4 24
10.9%
10.5%
Q3 24
15.8%
19.1%
Q2 24
23.7%
1.8%
Q1 24
17.2%
2.7%
EPS (diluted)
BIIB
BIIB
ETR
ETR
Q4 25
$-0.35
$0.51
Q3 25
$3.17
$1.53
Q2 25
$4.33
$1.05
Q1 25
$1.64
$0.82
Q4 24
$1.82
$0.66
Q3 24
$2.66
$1.50
Q2 24
$4.00
$0.11
Q1 24
$2.70
$0.18

Balance Sheet & Financial Strength

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

Metric
BIIB
BIIB
ETR
ETR
Cash + ST InvestmentsLiquidity on hand
$1.9B
Total DebtLower is stronger
$6.3B
$30.3B
Stockholders' EquityBook value
$18.3B
$16.9B
Total Assets
$29.4B
$71.9B
Debt / EquityLower = less leverage
0.34×
1.79×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BIIB
BIIB
ETR
ETR
Q4 25
$1.9B
Q3 25
$1.5B
Q2 25
$1.2B
Q1 25
$1.5B
Q4 24
$859.7M
Q3 24
$1.4B
Q2 24
$1.4B
Q1 24
$1.3B
Total Debt
BIIB
BIIB
ETR
ETR
Q4 25
$6.3B
$30.3B
Q3 25
$6.3B
$29.0B
Q2 25
$6.3B
$29.9B
Q1 25
$4.5B
$29.6B
Q4 24
$6.3B
$28.0B
Q3 24
$4.5B
$27.9B
Q2 24
$6.3B
$27.8B
Q1 24
$6.3B
$26.5B
Stockholders' Equity
BIIB
BIIB
ETR
ETR
Q4 25
$18.3B
$16.9B
Q3 25
$18.2B
$16.7B
Q2 25
$17.6B
$16.2B
Q1 25
$17.0B
$15.2B
Q4 24
$16.7B
$15.1B
Q3 24
$16.4B
$15.0B
Q2 24
$15.9B
$14.6B
Q1 24
$15.2B
$14.5B
Total Assets
BIIB
BIIB
ETR
ETR
Q4 25
$29.4B
$71.9B
Q3 25
$29.2B
$69.8B
Q2 25
$28.3B
$68.4B
Q1 25
$28.0B
$66.6B
Q4 24
$28.0B
$64.8B
Q3 24
$28.3B
$64.5B
Q2 24
$26.8B
$62.8B
Q1 24
$26.6B
$61.6B
Debt / Equity
BIIB
BIIB
ETR
ETR
Q4 25
0.34×
1.79×
Q3 25
0.35×
1.74×
Q2 25
0.36×
1.85×
Q1 25
0.27×
1.95×
Q4 24
0.38×
1.86×
Q3 24
0.28×
1.85×
Q2 24
0.40×
1.91×
Q1 24
0.41×
1.83×

Cash Flow & Capital Efficiency

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

Metric
BIIB
BIIB
ETR
ETR
Operating Cash FlowLast quarter
$511.9M
$1.2B
Free Cash FlowOCF − Capex
$468.0M
$-909.7M
FCF MarginFCF / Revenue
20.5%
-30.7%
Capex IntensityCapex / Revenue
1.9%
71.9%
Cash ConversionOCF / Net Profit
5.06×
TTM Free Cash FlowTrailing 4 quarters
$2.1B
$-2.5B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BIIB
BIIB
ETR
ETR
Q4 25
$511.9M
$1.2B
Q3 25
$1.3B
$2.1B
Q2 25
$160.9M
$1.3B
Q1 25
$259.3M
$536.2M
Q4 24
$760.9M
$1.4B
Q3 24
$935.6M
$1.6B
Q2 24
$625.8M
$1.0B
Q1 24
$553.2M
$521.1M
Free Cash Flow
BIIB
BIIB
ETR
ETR
Q4 25
$468.0M
$-909.7M
Q3 25
$1.2B
$246.0M
Q2 25
$134.3M
$-746.6M
Q1 25
$222.2M
$-1.1B
Q4 24
$721.6M
$-193.8M
Q3 24
$900.6M
$421.8M
Q2 24
$592.3M
$-137.8M
Q1 24
$507.3M
$-440.1M
FCF Margin
BIIB
BIIB
ETR
ETR
Q4 25
20.5%
-30.7%
Q3 25
48.4%
6.5%
Q2 25
5.1%
-22.4%
Q1 25
9.1%
-39.5%
Q4 24
29.4%
-7.1%
Q3 24
36.5%
12.4%
Q2 24
24.0%
-4.7%
Q1 24
22.1%
-15.7%
Capex Intensity
BIIB
BIIB
ETR
ETR
Q4 25
1.9%
71.9%
Q3 25
1.8%
49.5%
Q2 25
1.0%
60.3%
Q1 25
1.5%
58.3%
Q4 24
1.6%
57.4%
Q3 24
1.4%
33.7%
Q2 24
1.4%
39.4%
Q1 24
2.0%
34.4%
Cash Conversion
BIIB
BIIB
ETR
ETR
Q4 25
5.06×
Q3 25
2.73×
3.06×
Q2 25
0.25×
2.67×
Q1 25
1.08×
1.48×
Q4 24
2.85×
4.80×
Q3 24
2.41×
2.42×
Q2 24
1.07×
19.82×
Q1 24
1.41×
6.81×

Financial Flow Comparison

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

Revenue Breakdown by Segment

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%

ETR
ETR

Electricity Us Regulated$2.9B100%
Other$13.7M0%

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