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

Biogen is the larger business by last-quarter revenue ($2.3B vs $1.3B, roughly 1.7× BNY Mellon). BNY Mellon runs the higher net margin — 108.5% vs -2.1%, a 110.7% gap on every dollar of revenue. On growth, BNY Mellon posted the faster year-over-year revenue change (12.7% vs -7.1%). BNY Mellon produced more free cash flow last quarter ($4.7B vs $468.0M). Over the past eight quarters, BNY Mellon's revenue compounded faster (13.8% 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 ...

The Bank of New York Mellon Corporation, commonly known as BNY or by its prior brand name BNY Mellon, is an American international financial services company headquartered in New York City. It was established in its current form in July 2007 by the merger of the Bank of New York and Mellon Financial Corporation.

BIIB vs BK — Head-to-Head

Bigger by revenue
BIIB
BIIB
1.7× larger
BIIB
$2.3B
$1.3B
BK
Growing faster (revenue YoY)
BK
BK
+19.9% gap
BK
12.7%
-7.1%
BIIB
Higher net margin
BK
BK
110.7% more per $
BK
108.5%
-2.1%
BIIB
More free cash flow
BK
BK
$4.3B more FCF
BK
$4.7B
$468.0M
BIIB
Faster 2-yr revenue CAGR
BK
BK
Annualised
BK
13.8%
-0.2%
BIIB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BIIB
BIIB
BK
BK
Revenue
$2.3B
$1.3B
Net Profit
$-48.9M
$1.5B
Gross Margin
78.3%
Operating Margin
-2.5%
Net Margin
-2.1%
108.5%
Revenue YoY
-7.1%
12.7%
Net Profit YoY
-118.3%
26.5%
EPS (diluted)
$-0.35
$2.01

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
BK
BK
Q4 25
$2.3B
$1.3B
Q3 25
$2.5B
$1.2B
Q2 25
$2.6B
$1.2B
Q1 25
$2.4B
$1.2B
Q4 24
$2.5B
$1.2B
Q3 24
$2.5B
$1.0B
Q2 24
$2.5B
$1.0B
Q1 24
$2.3B
$1.0B
Net Profit
BIIB
BIIB
BK
BK
Q4 25
$-48.9M
$1.5B
Q3 25
$466.5M
$1.4B
Q2 25
$634.8M
$1.4B
Q1 25
$240.5M
$1.2B
Q4 24
$266.7M
$1.2B
Q3 24
$388.5M
$1.2B
Q2 24
$583.6M
$1.2B
Q1 24
$393.4M
$1.0B
Gross Margin
BIIB
BIIB
BK
BK
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
BK
BK
Q4 25
-2.5%
Q3 25
22.0%
Q2 25
28.1%
Q1 25
12.8%
Q4 24
11.9%
Q3 24
18.3%
Q2 24
28.3%
Q1 24
20.3%
Net Margin
BIIB
BIIB
BK
BK
Q4 25
-2.1%
108.5%
Q3 25
18.4%
116.9%
Q2 25
24.0%
118.3%
Q1 25
9.9%
105.3%
Q4 24
10.9%
96.7%
Q3 24
15.8%
112.8%
Q2 24
23.7%
113.4%
Q1 24
17.2%
98.6%
EPS (diluted)
BIIB
BIIB
BK
BK
Q4 25
$-0.35
$2.01
Q3 25
$3.17
$1.88
Q2 25
$4.33
$1.93
Q1 25
$1.64
$1.58
Q4 24
$1.82
$1.53
Q3 24
$2.66
$1.50
Q2 24
$4.00
$1.52
Q1 24
$2.70
$1.25

Balance Sheet & Financial Strength

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

Metric
BIIB
BIIB
BK
BK
Cash + ST InvestmentsLiquidity on hand
$5.1B
Total DebtLower is stronger
$6.3B
$31.9B
Stockholders' EquityBook value
$18.3B
$44.3B
Total Assets
$29.4B
$472.3B
Debt / EquityLower = less leverage
0.34×
0.72×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BIIB
BIIB
BK
BK
Q4 25
$5.1B
Q3 25
$5.1B
Q2 25
$5.7B
Q1 25
$5.4B
Q4 24
$4.2B
Q3 24
$6.2B
Q2 24
$5.3B
Q1 24
$5.3B
Total Debt
BIIB
BIIB
BK
BK
Q4 25
$6.3B
$31.9B
Q3 25
$6.3B
$32.3B
Q2 25
$6.3B
$33.4B
Q1 25
$4.5B
$30.9B
Q4 24
$6.3B
$30.9B
Q3 24
$4.5B
$33.2B
Q2 24
$6.3B
$30.9B
Q1 24
$6.3B
$32.4B
Stockholders' Equity
BIIB
BIIB
BK
BK
Q4 25
$18.3B
$44.3B
Q3 25
$18.2B
$43.9B
Q2 25
$17.6B
$44.0B
Q1 25
$17.0B
$43.1B
Q4 24
$16.7B
$41.3B
Q3 24
$16.4B
$42.0B
Q2 24
$15.9B
$40.8B
Q1 24
$15.2B
$40.6B
Total Assets
BIIB
BIIB
BK
BK
Q4 25
$29.4B
$472.3B
Q3 25
$29.2B
$455.3B
Q2 25
$28.3B
$485.8B
Q1 25
$28.0B
$440.7B
Q4 24
$28.0B
$416.1B
Q3 24
$28.3B
$427.5B
Q2 24
$26.8B
$428.5B
Q1 24
$26.6B
$434.7B
Debt / Equity
BIIB
BIIB
BK
BK
Q4 25
0.34×
0.72×
Q3 25
0.35×
0.74×
Q2 25
0.36×
0.76×
Q1 25
0.27×
0.72×
Q4 24
0.38×
0.75×
Q3 24
0.28×
0.79×
Q2 24
0.40×
0.76×
Q1 24
0.41×
0.80×

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
BK
BK
Operating Cash FlowLast quarter
$511.9M
$5.2B
Free Cash FlowOCF − Capex
$468.0M
$4.7B
FCF MarginFCF / Revenue
20.5%
352.8%
Capex IntensityCapex / Revenue
1.9%
32.4%
Cash ConversionOCF / Net Profit
3.55×
TTM Free Cash FlowTrailing 4 quarters
$2.1B
$5.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BIIB
BIIB
BK
BK
Q4 25
$511.9M
$5.2B
Q3 25
$1.3B
$-1.1B
Q2 25
$160.9M
$2.2B
Q1 25
$259.3M
$412.0M
Q4 24
$760.9M
$1.6B
Q3 24
$935.6M
$-312.0M
Q2 24
$625.8M
$2.1B
Q1 24
$553.2M
$-2.7B
Free Cash Flow
BIIB
BIIB
BK
BK
Q4 25
$468.0M
$4.7B
Q3 25
$1.2B
$-1.5B
Q2 25
$134.3M
$1.8B
Q1 25
$222.2M
$92.0M
Q4 24
$721.6M
$1.1B
Q3 24
$900.6M
$-687.0M
Q2 24
$592.3M
$1.7B
Q1 24
$507.3M
$-3.0B
FCF Margin
BIIB
BIIB
BK
BK
Q4 25
20.5%
352.8%
Q3 25
48.4%
-121.5%
Q2 25
5.1%
152.8%
Q1 25
9.1%
7.9%
Q4 24
29.4%
95.2%
Q3 24
36.5%
-65.6%
Q2 24
24.0%
169.6%
Q1 24
22.1%
-286.4%
Capex Intensity
BIIB
BIIB
BK
BK
Q4 25
1.9%
32.4%
Q3 25
1.8%
35.4%
Q2 25
1.0%
29.8%
Q1 25
1.5%
27.6%
Q4 24
1.6%
34.6%
Q3 24
1.4%
35.8%
Q2 24
1.4%
37.1%
Q1 24
2.0%
28.7%
Cash Conversion
BIIB
BIIB
BK
BK
Q4 25
3.55×
Q3 25
2.73×
-0.74×
Q2 25
0.25×
1.54×
Q1 25
1.08×
0.34×
Q4 24
2.85×
1.34×
Q3 24
2.41×
-0.26×
Q2 24
1.07×
1.82×
Q1 24
1.41×
-2.61×

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%

BK
BK

Segment breakdown not available.

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