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

Unum Group is the larger business by last-quarter revenue ($3.4B vs $2.5B, roughly 1.4× Biogen). Biogen runs the higher net margin — 12.9% vs 6.9%, a 6.0% gap on every dollar of revenue. On growth, Unum Group posted the faster year-over-year revenue change (8.5% vs 2.0%). Over the past eight quarters, Unum Group's revenue compounded faster (1.9% CAGR vs 0.3%).

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 ...

Unum Group is an American insurance company headquartered in Chattanooga, Tennessee. Founded as Union Mutual in 1848 and known as UnumProvident from 1999–2007, the company is part of the Fortune 500. Unum Group was created by the 1999 merger of Unum Corporation and The Provident Companies and comprises four distinct businesses – Unum US, Unum UK, Unum Poland and Colonial Life. Its underwriting insurers include The Paul Revere Life Insurance Company and Provident Life and Accident Insurance Co...

BIIB vs UNM — Head-to-Head

Bigger by revenue
UNM
UNM
1.4× larger
UNM
$3.4B
$2.5B
BIIB
Growing faster (revenue YoY)
UNM
UNM
+6.5% gap
UNM
8.5%
2.0%
BIIB
Higher net margin
BIIB
BIIB
6.0% more per $
BIIB
12.9%
6.9%
UNM
Faster 2-yr revenue CAGR
UNM
UNM
Annualised
UNM
1.9%
0.3%
BIIB

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
BIIB
BIIB
UNM
UNM
Revenue
$2.5B
$3.4B
Net Profit
$319.5M
$232.0M
Gross Margin
Operating Margin
Net Margin
12.9%
6.9%
Revenue YoY
2.0%
8.5%
Net Profit YoY
32.8%
22.7%
EPS (diluted)
$2.15

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
UNM
UNM
Q1 26
$2.5B
$3.4B
Q4 25
$2.3B
$3.2B
Q3 25
$2.5B
$3.4B
Q2 25
$2.6B
$3.4B
Q1 25
$2.4B
$3.1B
Q4 24
$2.5B
$3.2B
Q3 24
$2.5B
$3.2B
Q2 24
$2.5B
$3.2B
Net Profit
BIIB
BIIB
UNM
UNM
Q1 26
$319.5M
$232.0M
Q4 25
$-48.9M
$174.1M
Q3 25
$466.5M
$39.7M
Q2 25
$634.8M
$335.6M
Q1 25
$240.5M
$189.1M
Q4 24
$266.7M
$348.7M
Q3 24
$388.5M
$645.7M
Q2 24
$583.6M
$389.5M
Gross Margin
BIIB
BIIB
UNM
UNM
Q1 26
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%
Operating Margin
BIIB
BIIB
UNM
UNM
Q1 26
Q4 25
-2.5%
6.7%
Q3 25
22.0%
1.6%
Q2 25
28.1%
12.4%
Q1 25
12.8%
7.9%
Q4 24
11.9%
13.8%
Q3 24
18.3%
15.6%
Q2 24
28.3%
15.3%
Net Margin
BIIB
BIIB
UNM
UNM
Q1 26
12.9%
6.9%
Q4 25
-2.1%
5.4%
Q3 25
18.4%
1.2%
Q2 25
24.0%
10.0%
Q1 25
9.9%
6.1%
Q4 24
10.9%
10.8%
Q3 24
15.8%
20.1%
Q2 24
23.7%
12.0%
EPS (diluted)
BIIB
BIIB
UNM
UNM
Q1 26
$2.15
Q4 25
$-0.35
$1.06
Q3 25
$3.17
$0.23
Q2 25
$4.33
$1.92
Q1 25
$1.64
$1.06
Q4 24
$1.82
$1.91
Q3 24
$2.66
$3.46
Q2 24
$4.00
$2.05

Balance Sheet & Financial Strength

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

Metric
BIIB
BIIB
UNM
UNM
Cash + ST InvestmentsLiquidity on hand
$3.4B
$2.1M
Total DebtLower is stronger
$3.8M
Stockholders' EquityBook value
$18.7B
$10.9M
Total Assets
$29.5B
$62.7M
Debt / EquityLower = less leverage
0.35×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BIIB
BIIB
UNM
UNM
Q1 26
$3.4B
$2.1M
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Total Debt
BIIB
BIIB
UNM
UNM
Q1 26
$3.8M
Q4 25
$6.3B
$3.8B
Q3 25
$6.3B
$3.5B
Q2 25
$6.3B
$3.5B
Q1 25
$4.5B
$3.5B
Q4 24
$6.3B
$3.5B
Q3 24
$4.5B
$3.5B
Q2 24
$6.3B
$3.5B
Stockholders' Equity
BIIB
BIIB
UNM
UNM
Q1 26
$18.7B
$10.9M
Q4 25
$18.3B
$11.1B
Q3 25
$18.2B
$10.9B
Q2 25
$17.6B
$11.3B
Q1 25
$17.0B
$11.2B
Q4 24
$16.7B
$11.0B
Q3 24
$16.4B
$11.0B
Q2 24
$15.9B
$10.5B
Total Assets
BIIB
BIIB
UNM
UNM
Q1 26
$29.5B
$62.7M
Q4 25
$29.4B
$63.5B
Q3 25
$29.2B
$63.7B
Q2 25
$28.3B
$62.8B
Q1 25
$28.0B
$62.5B
Q4 24
$28.0B
$62.0B
Q3 24
$28.3B
$64.1B
Q2 24
$26.8B
$62.0B
Debt / Equity
BIIB
BIIB
UNM
UNM
Q1 26
0.35×
Q4 25
0.34×
0.34×
Q3 25
0.35×
0.32×
Q2 25
0.36×
0.31×
Q1 25
0.27×
0.31×
Q4 24
0.38×
0.32×
Q3 24
0.28×
0.32×
Q2 24
0.40×
0.33×

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
UNM
UNM
Operating Cash FlowLast quarter
Free Cash FlowOCF − Capex
$594.3M
FCF MarginFCF / Revenue
24.0%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$2.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BIIB
BIIB
UNM
UNM
Q1 26
Q4 25
$511.9M
$357.9M
Q3 25
$1.3B
$-371.8M
Q2 25
$160.9M
$348.0M
Q1 25
$259.3M
$353.6M
Q4 24
$760.9M
$485.8M
Q3 24
$935.6M
$390.0M
Q2 24
$625.8M
$339.1M
Free Cash Flow
BIIB
BIIB
UNM
UNM
Q1 26
$594.3M
Q4 25
$468.0M
$320.1M
Q3 25
$1.2B
$-402.6M
Q2 25
$134.3M
$320.1M
Q1 25
$222.2M
$317.8M
Q4 24
$721.6M
$453.8M
Q3 24
$900.6M
$352.3M
Q2 24
$592.3M
$311.4M
FCF Margin
BIIB
BIIB
UNM
UNM
Q1 26
24.0%
Q4 25
20.5%
9.9%
Q3 25
48.4%
-11.9%
Q2 25
5.1%
9.5%
Q1 25
9.1%
10.3%
Q4 24
29.4%
14.0%
Q3 24
36.5%
11.0%
Q2 24
24.0%
9.6%
Capex Intensity
BIIB
BIIB
UNM
UNM
Q1 26
Q4 25
1.9%
1.2%
Q3 25
1.8%
0.9%
Q2 25
1.0%
0.8%
Q1 25
1.5%
1.2%
Q4 24
1.6%
1.0%
Q3 24
1.4%
1.2%
Q2 24
1.4%
0.9%
Cash Conversion
BIIB
BIIB
UNM
UNM
Q1 26
Q4 25
2.06×
Q3 25
2.73×
-9.37×
Q2 25
0.25×
1.04×
Q1 25
1.08×
1.87×
Q4 24
2.85×
1.39×
Q3 24
2.41×
0.60×
Q2 24
1.07×
0.87×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BIIB
BIIB

Product revenue, net$1.8B71%
Royalty revenue on sales of OCREVUS$317.2M13%
Contract manufacturing, royalty and other revenue$246.9M10%
Biogen's share of pre-tax profits in the U.S. for RITUXAN, GAZYVA and LUNSUMIO$94.7M4%
Alzheimer's collaboration Revenue$59.5M2%
Other revenue from anti-CD20 therapeutic programs$7.2M0%

UNM
UNM

Premium Income$2.8B83%
Other$561.2M17%

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