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

Chewy, Inc. is the larger business by last-quarter revenue ($3.1B vs $2.3B, roughly 1.4× Biogen). Chewy, Inc. runs the higher net margin — 1.9% vs -2.1%, a 4.0% gap on every dollar of revenue. On growth, Chewy, Inc. posted the faster year-over-year revenue change (8.3% vs -7.1%). Biogen produced more free cash flow last quarter ($468.0M vs $175.8M). Over the past eight quarters, Chewy, Inc.'s revenue compounded faster (4.6% 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 ...

Chewy, Inc. is an American online retailer of pet food and other pet-related products based in Plantation, Florida. Chewy went public in 2019 with the ticker symbol CHWY on the New York Stock Exchange.

BIIB vs CHWY — Head-to-Head

Bigger by revenue
CHWY
CHWY
1.4× larger
CHWY
$3.1B
$2.3B
BIIB
Growing faster (revenue YoY)
CHWY
CHWY
+15.4% gap
CHWY
8.3%
-7.1%
BIIB
Higher net margin
CHWY
CHWY
4.0% more per $
CHWY
1.9%
-2.1%
BIIB
More free cash flow
BIIB
BIIB
$292.2M more FCF
BIIB
$468.0M
$175.8M
CHWY
Faster 2-yr revenue CAGR
CHWY
CHWY
Annualised
CHWY
4.6%
-0.2%
BIIB

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
BIIB
BIIB
CHWY
CHWY
Revenue
$2.3B
$3.1B
Net Profit
$-48.9M
$59.2M
Gross Margin
78.3%
29.8%
Operating Margin
-2.5%
2.1%
Net Margin
-2.1%
1.9%
Revenue YoY
-7.1%
8.3%
Net Profit YoY
-118.3%
1405.6%
EPS (diluted)
$-0.35
$0.14

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
CHWY
CHWY
Q4 25
$2.3B
$3.1B
Q3 25
$2.5B
$3.1B
Q2 25
$2.6B
$3.1B
Q1 25
$2.4B
$3.2B
Q4 24
$2.5B
$2.9B
Q3 24
$2.5B
$2.9B
Q2 24
$2.5B
$2.9B
Q1 24
$2.3B
$2.8B
Net Profit
BIIB
BIIB
CHWY
CHWY
Q4 25
$-48.9M
$59.2M
Q3 25
$466.5M
$62.0M
Q2 25
$634.8M
$62.4M
Q1 25
$240.5M
$22.8M
Q4 24
$266.7M
$3.9M
Q3 24
$388.5M
$299.1M
Q2 24
$583.6M
$66.9M
Q1 24
$393.4M
$34.3M
Gross Margin
BIIB
BIIB
CHWY
CHWY
Q4 25
78.3%
29.8%
Q3 25
73.4%
30.4%
Q2 25
77.1%
29.6%
Q1 25
74.1%
28.5%
Q4 24
76.2%
29.3%
Q3 24
74.1%
29.5%
Q2 24
77.8%
29.7%
Q1 24
76.3%
28.2%
Operating Margin
BIIB
BIIB
CHWY
CHWY
Q4 25
-2.5%
2.1%
Q3 25
22.0%
2.2%
Q2 25
28.1%
2.5%
Q1 25
12.8%
-0.3%
Q4 24
11.9%
0.9%
Q3 24
18.3%
1.1%
Q2 24
28.3%
2.2%
Q1 24
20.3%
-0.7%
Net Margin
BIIB
BIIB
CHWY
CHWY
Q4 25
-2.1%
1.9%
Q3 25
18.4%
2.0%
Q2 25
24.0%
2.0%
Q1 25
9.9%
0.7%
Q4 24
10.9%
0.1%
Q3 24
15.8%
10.5%
Q2 24
23.7%
2.3%
Q1 24
17.2%
1.2%
EPS (diluted)
BIIB
BIIB
CHWY
CHWY
Q4 25
$-0.35
$0.14
Q3 25
$3.17
$0.14
Q2 25
$4.33
$0.15
Q1 25
$1.64
$0.07
Q4 24
$1.82
$0.01
Q3 24
$2.66
$0.68
Q2 24
$4.00
$0.15
Q1 24
$2.70
$0.08

Balance Sheet & Financial Strength

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

Metric
BIIB
BIIB
CHWY
CHWY
Cash + ST InvestmentsLiquidity on hand
$701.5M
Total DebtLower is stronger
$6.3B
Stockholders' EquityBook value
$18.3B
$469.4M
Total Assets
$29.4B
$3.3B
Debt / EquityLower = less leverage
0.34×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BIIB
BIIB
CHWY
CHWY
Q4 25
$701.5M
Q3 25
$591.8M
Q2 25
$616.4M
Q1 25
$596.7M
Q4 24
$507.5M
Q3 24
$695.0M
Q2 24
$1.1B
Q1 24
$1.1B
Total Debt
BIIB
BIIB
CHWY
CHWY
Q4 25
$6.3B
Q3 25
$6.3B
Q2 25
$6.3B
Q1 25
$4.5B
Q4 24
$6.3B
Q3 24
$4.5B
Q2 24
$6.3B
Q1 24
$6.3B
Stockholders' Equity
BIIB
BIIB
CHWY
CHWY
Q4 25
$18.3B
$469.4M
Q3 25
$18.2B
$389.9M
Q2 25
$17.6B
$375.6M
Q1 25
$17.0B
$261.5M
Q4 24
$16.7B
$223.4M
Q3 24
$16.4B
$486.7M
Q2 24
$15.9B
$642.9M
Q1 24
$15.2B
$510.2M
Total Assets
BIIB
BIIB
CHWY
CHWY
Q4 25
$29.4B
$3.3B
Q3 25
$29.2B
$3.1B
Q2 25
$28.3B
$3.1B
Q1 25
$28.0B
$3.0B
Q4 24
$28.0B
$3.0B
Q3 24
$28.3B
$3.1B
Q2 24
$26.8B
$3.2B
Q1 24
$26.6B
$3.2B
Debt / Equity
BIIB
BIIB
CHWY
CHWY
Q4 25
0.34×
Q3 25
0.35×
Q2 25
0.36×
Q1 25
0.27×
Q4 24
0.38×
Q3 24
0.28×
Q2 24
0.40×
Q1 24
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
BIIB
BIIB
CHWY
CHWY
Operating Cash FlowLast quarter
$511.9M
$207.9M
Free Cash FlowOCF − Capex
$468.0M
$175.8M
FCF MarginFCF / Revenue
20.5%
5.6%
Capex IntensityCapex / Revenue
1.9%
1.0%
Cash ConversionOCF / Net Profit
3.51×
TTM Free Cash FlowTrailing 4 quarters
$2.1B
$487.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BIIB
BIIB
CHWY
CHWY
Q4 25
$511.9M
$207.9M
Q3 25
$1.3B
$133.9M
Q2 25
$160.9M
$86.4M
Q1 25
$259.3M
$207.5M
Q4 24
$760.9M
$183.5M
Q3 24
$935.6M
$123.4M
Q2 24
$625.8M
$81.9M
Q1 24
$553.2M
$98.9M
Free Cash Flow
BIIB
BIIB
CHWY
CHWY
Q4 25
$468.0M
$175.8M
Q3 25
$1.2B
$105.9M
Q2 25
$134.3M
$48.7M
Q1 25
$222.2M
$156.6M
Q4 24
$721.6M
$151.8M
Q3 24
$900.6M
$91.5M
Q2 24
$592.3M
$52.6M
Q1 24
$507.3M
$66.5M
FCF Margin
BIIB
BIIB
CHWY
CHWY
Q4 25
20.5%
5.6%
Q3 25
48.4%
3.4%
Q2 25
5.1%
1.6%
Q1 25
9.1%
4.8%
Q4 24
29.4%
5.3%
Q3 24
36.5%
3.2%
Q2 24
24.0%
1.8%
Q1 24
22.1%
2.3%
Capex Intensity
BIIB
BIIB
CHWY
CHWY
Q4 25
1.9%
1.0%
Q3 25
1.8%
0.9%
Q2 25
1.0%
1.2%
Q1 25
1.5%
1.6%
Q4 24
1.6%
1.1%
Q3 24
1.4%
1.1%
Q2 24
1.4%
1.0%
Q1 24
2.0%
1.1%
Cash Conversion
BIIB
BIIB
CHWY
CHWY
Q4 25
3.51×
Q3 25
2.73×
2.16×
Q2 25
0.25×
1.38×
Q1 25
1.08×
9.10×
Q4 24
2.85×
46.66×
Q3 24
2.41×
0.41×
Q2 24
1.07×
1.22×
Q1 24
1.41×
2.89×

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%

CHWY
CHWY

Segment breakdown not available.

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