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

Corning Inc. is the larger business by last-quarter revenue ($4.2B vs $2.3B, roughly 1.8× Biogen). Corning Inc. runs the higher net margin — 12.8% vs -2.1%, a 15.0% gap on every dollar of revenue. On growth, Corning Inc. posted the faster year-over-year revenue change (20.4% vs -7.1%). Corning Inc. produced more free cash flow last quarter ($620.0M vs $468.0M). Over the past eight quarters, Corning Inc.'s revenue compounded faster (19.0% 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 ...

Corning Incorporated is an American multinational technology company specializing in glass, ceramics, and related materials and technologies including advanced optics, primarily for industrial and scientific applications. Founded in 1851, the company was called Corning Glass Works for most of its history. Corning was known during the 20th century for its consumer product lines, such as including CorningWare and Visions Pyroceram-based cookware, Corelle Vitrelle tableware, and Pyrex glass bake...

BIIB vs GLW — Head-to-Head

Bigger by revenue
GLW
GLW
1.8× larger
GLW
$4.2B
$2.3B
BIIB
Growing faster (revenue YoY)
GLW
GLW
+27.5% gap
GLW
20.4%
-7.1%
BIIB
Higher net margin
GLW
GLW
15.0% more per $
GLW
12.8%
-2.1%
BIIB
More free cash flow
GLW
GLW
$152.0M more FCF
GLW
$620.0M
$468.0M
BIIB
Faster 2-yr revenue CAGR
GLW
GLW
Annualised
GLW
19.0%
-0.2%
BIIB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BIIB
BIIB
GLW
GLW
Revenue
$2.3B
$4.2B
Net Profit
$-48.9M
$540.0M
Gross Margin
78.3%
35.5%
Operating Margin
-2.5%
15.9%
Net Margin
-2.1%
12.8%
Revenue YoY
-7.1%
20.4%
Net Profit YoY
-118.3%
74.2%
EPS (diluted)
$-0.35
$0.61

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
GLW
GLW
Q4 25
$2.3B
$4.2B
Q3 25
$2.5B
$4.1B
Q2 25
$2.6B
$3.9B
Q1 25
$2.4B
$3.5B
Q4 24
$2.5B
$3.5B
Q3 24
$2.5B
$3.4B
Q2 24
$2.5B
$3.3B
Q1 24
$2.3B
$3.0B
Net Profit
BIIB
BIIB
GLW
GLW
Q4 25
$-48.9M
$540.0M
Q3 25
$466.5M
$430.0M
Q2 25
$634.8M
$469.0M
Q1 25
$240.5M
$157.0M
Q4 24
$266.7M
$310.0M
Q3 24
$388.5M
$-117.0M
Q2 24
$583.6M
$104.0M
Q1 24
$393.4M
$209.0M
Gross Margin
BIIB
BIIB
GLW
GLW
Q4 25
78.3%
35.5%
Q3 25
73.4%
37.1%
Q2 25
77.1%
36.0%
Q1 25
74.1%
35.2%
Q4 24
76.2%
34.2%
Q3 24
74.1%
33.5%
Q2 24
77.8%
29.2%
Q1 24
76.3%
33.4%
Operating Margin
BIIB
BIIB
GLW
GLW
Q4 25
-2.5%
15.9%
Q3 25
22.0%
14.4%
Q2 25
28.1%
14.8%
Q1 25
12.8%
12.9%
Q4 24
11.9%
11.2%
Q3 24
18.3%
8.9%
Q2 24
28.3%
5.7%
Q1 24
20.3%
8.5%
Net Margin
BIIB
BIIB
GLW
GLW
Q4 25
-2.1%
12.8%
Q3 25
18.4%
10.5%
Q2 25
24.0%
12.1%
Q1 25
9.9%
4.5%
Q4 24
10.9%
8.9%
Q3 24
15.8%
-3.5%
Q2 24
23.7%
3.2%
Q1 24
17.2%
7.0%
EPS (diluted)
BIIB
BIIB
GLW
GLW
Q4 25
$-0.35
$0.61
Q3 25
$3.17
$0.50
Q2 25
$4.33
$0.54
Q1 25
$1.64
$0.18
Q4 24
$1.82
$0.36
Q3 24
$2.66
$-0.14
Q2 24
$4.00
$0.12
Q1 24
$2.70
$0.24

Balance Sheet & Financial Strength

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

Metric
BIIB
BIIB
GLW
GLW
Cash + ST InvestmentsLiquidity on hand
$1.5B
Total DebtLower is stronger
$6.3B
$7.6B
Stockholders' EquityBook value
$18.3B
$11.8B
Total Assets
$29.4B
$31.0B
Debt / EquityLower = less leverage
0.34×
0.65×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BIIB
BIIB
GLW
GLW
Q4 25
$1.5B
Q3 25
Q2 25
Q1 25
Q4 24
$1.8B
Q3 24
Q2 24
Q1 24
Total Debt
BIIB
BIIB
GLW
GLW
Q4 25
$6.3B
$7.6B
Q3 25
$6.3B
$7.4B
Q2 25
$6.3B
$6.7B
Q1 25
$4.5B
$7.0B
Q4 24
$6.3B
$6.9B
Q3 24
$4.5B
$7.1B
Q2 24
$6.3B
$6.9B
Q1 24
$6.3B
$7.0B
Stockholders' Equity
BIIB
BIIB
GLW
GLW
Q4 25
$18.3B
$11.8B
Q3 25
$18.2B
$11.5B
Q2 25
$17.6B
$11.1B
Q1 25
$17.0B
$10.7B
Q4 24
$16.7B
$10.7B
Q3 24
$16.4B
$11.1B
Q2 24
$15.9B
$10.6B
Q1 24
$15.2B
$11.2B
Total Assets
BIIB
BIIB
GLW
GLW
Q4 25
$29.4B
$31.0B
Q3 25
$29.2B
$29.9B
Q2 25
$28.3B
$28.7B
Q1 25
$28.0B
$27.4B
Q4 24
$28.0B
$27.7B
Q3 24
$28.3B
$28.3B
Q2 24
$26.8B
$27.2B
Q1 24
$26.6B
$27.6B
Debt / Equity
BIIB
BIIB
GLW
GLW
Q4 25
0.34×
0.65×
Q3 25
0.35×
0.64×
Q2 25
0.36×
0.60×
Q1 25
0.27×
0.65×
Q4 24
0.38×
0.64×
Q3 24
0.28×
0.64×
Q2 24
0.40×
0.65×
Q1 24
0.41×
0.63×

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
GLW
GLW
Operating Cash FlowLast quarter
$511.9M
$1.1B
Free Cash FlowOCF − Capex
$468.0M
$620.0M
FCF MarginFCF / Revenue
20.5%
14.7%
Capex IntensityCapex / Revenue
1.9%
10.2%
Cash ConversionOCF / Net Profit
1.95×
TTM Free Cash FlowTrailing 4 quarters
$2.1B
$1.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BIIB
BIIB
GLW
GLW
Q4 25
$511.9M
$1.1B
Q3 25
$1.3B
$784.0M
Q2 25
$160.9M
$708.0M
Q1 25
$259.3M
$151.0M
Q4 24
$760.9M
$623.0M
Q3 24
$935.6M
$699.0M
Q2 24
$625.8M
$521.0M
Q1 24
$553.2M
$96.0M
Free Cash Flow
BIIB
BIIB
GLW
GLW
Q4 25
$468.0M
$620.0M
Q3 25
$1.2B
$450.0M
Q2 25
$134.3M
$400.0M
Q1 25
$222.2M
$-57.0M
Q4 24
$721.6M
$369.0M
Q3 24
$900.6M
$482.0M
Q2 24
$592.3M
$279.0M
Q1 24
$507.3M
$-156.0M
FCF Margin
BIIB
BIIB
GLW
GLW
Q4 25
20.5%
14.7%
Q3 25
48.4%
11.0%
Q2 25
5.1%
10.4%
Q1 25
9.1%
-1.7%
Q4 24
29.4%
10.5%
Q3 24
36.5%
14.2%
Q2 24
24.0%
8.6%
Q1 24
22.1%
-5.2%
Capex Intensity
BIIB
BIIB
GLW
GLW
Q4 25
1.9%
10.2%
Q3 25
1.8%
8.1%
Q2 25
1.0%
8.0%
Q1 25
1.5%
6.0%
Q4 24
1.6%
7.3%
Q3 24
1.4%
6.4%
Q2 24
1.4%
7.4%
Q1 24
2.0%
8.5%
Cash Conversion
BIIB
BIIB
GLW
GLW
Q4 25
1.95×
Q3 25
2.73×
1.82×
Q2 25
0.25×
1.51×
Q1 25
1.08×
0.96×
Q4 24
2.85×
2.01×
Q3 24
2.41×
Q2 24
1.07×
5.01×
Q1 24
1.41×
0.46×

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%

GLW
GLW

Segment breakdown not available.

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