vs

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

Biogen is the larger business by last-quarter revenue ($2.3B vs $2.1B, roughly 1.1× NOV Inc.). NOV Inc. runs the higher net margin — 1.0% vs -2.1%, a 3.1% gap on every dollar of revenue. On growth, Biogen posted the faster year-over-year revenue change (-7.1% vs -9.9%). Biogen produced more free cash flow last quarter ($468.0M vs $51.0M). Over the past eight quarters, Biogen's revenue compounded faster (-0.2% CAGR vs -3.8%).

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 ...

NOV Inc., formerly National Oilwell Varco, is an American multinational corporation based in Houston, Texas. It is a worldwide provider of equipment and components used in oil and gas drilling and production operations, oilfield services, and supply chain integration services to the upstream oil and gas industry. The company conducts operations in more than 500 locations across six continents, operating through two reporting segments: Energy Equipment and Energy Products and Services.

BIIB vs NOV — Head-to-Head

Bigger by revenue
BIIB
BIIB
1.1× larger
BIIB
$2.3B
$2.1B
NOV
Growing faster (revenue YoY)
BIIB
BIIB
+2.7% gap
BIIB
-7.1%
-9.9%
NOV
Higher net margin
NOV
NOV
3.1% more per $
NOV
1.0%
-2.1%
BIIB
More free cash flow
BIIB
BIIB
$417.0M more FCF
BIIB
$468.0M
$51.0M
NOV
Faster 2-yr revenue CAGR
BIIB
BIIB
Annualised
BIIB
-0.2%
-3.8%
NOV

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
BIIB
BIIB
NOV
NOV
Revenue
$2.3B
$2.1B
Net Profit
$-48.9M
$20.0M
Gross Margin
78.3%
18.5%
Operating Margin
-2.5%
2.3%
Net Margin
-2.1%
1.0%
Revenue YoY
-7.1%
-9.9%
Net Profit YoY
-118.3%
-73.0%
EPS (diluted)
$-0.35
$0.05

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
NOV
NOV
Q1 26
$2.1B
Q4 25
$2.3B
$2.3B
Q3 25
$2.5B
$2.2B
Q2 25
$2.6B
$2.2B
Q1 25
$2.4B
$2.1B
Q4 24
$2.5B
$2.3B
Q3 24
$2.5B
$2.2B
Q2 24
$2.5B
$2.2B
Net Profit
BIIB
BIIB
NOV
NOV
Q1 26
$20.0M
Q4 25
$-48.9M
$-78.0M
Q3 25
$466.5M
$42.0M
Q2 25
$634.8M
$108.0M
Q1 25
$240.5M
$73.0M
Q4 24
$266.7M
$160.0M
Q3 24
$388.5M
$130.0M
Q2 24
$583.6M
$226.0M
Gross Margin
BIIB
BIIB
NOV
NOV
Q1 26
18.5%
Q4 25
78.3%
20.3%
Q3 25
73.4%
18.9%
Q2 25
77.1%
20.4%
Q1 25
74.1%
21.3%
Q4 24
76.2%
21.4%
Q3 24
74.1%
21.4%
Q2 24
77.8%
26.6%
Operating Margin
BIIB
BIIB
NOV
NOV
Q1 26
2.3%
Q4 25
-2.5%
4.0%
Q3 25
22.0%
4.9%
Q2 25
28.1%
6.5%
Q1 25
12.8%
7.2%
Q4 24
11.9%
9.0%
Q3 24
18.3%
8.9%
Q2 24
28.3%
14.1%
Net Margin
BIIB
BIIB
NOV
NOV
Q1 26
1.0%
Q4 25
-2.1%
-3.4%
Q3 25
18.4%
1.9%
Q2 25
24.0%
4.9%
Q1 25
9.9%
3.5%
Q4 24
10.9%
6.9%
Q3 24
15.8%
5.9%
Q2 24
23.7%
10.2%
EPS (diluted)
BIIB
BIIB
NOV
NOV
Q1 26
$0.05
Q4 25
$-0.35
$-0.20
Q3 25
$3.17
$0.11
Q2 25
$4.33
$0.29
Q1 25
$1.64
$0.19
Q4 24
$1.82
$0.40
Q3 24
$2.66
$0.33
Q2 24
$4.00
$0.57

Balance Sheet & Financial Strength

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

Metric
BIIB
BIIB
NOV
NOV
Cash + ST InvestmentsLiquidity on hand
$1.3B
Total DebtLower is stronger
$6.3B
$1.7B
Stockholders' EquityBook value
$18.3B
Total Assets
$29.4B
$11.1B
Debt / EquityLower = less leverage
0.34×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BIIB
BIIB
NOV
NOV
Q1 26
$1.3B
Q4 25
$1.6B
Q3 25
$1.2B
Q2 25
$1.1B
Q1 25
$1.2B
Q4 24
$1.2B
Q3 24
$985.0M
Q2 24
$827.0M
Total Debt
BIIB
BIIB
NOV
NOV
Q1 26
$1.7B
Q4 25
$6.3B
$1.7B
Q3 25
$6.3B
$1.7B
Q2 25
$6.3B
$1.7B
Q1 25
$4.5B
$1.7B
Q4 24
$6.3B
$1.7B
Q3 24
$4.5B
$1.7B
Q2 24
$6.3B
$1.7B
Stockholders' Equity
BIIB
BIIB
NOV
NOV
Q1 26
Q4 25
$18.3B
$6.3B
Q3 25
$18.2B
$6.5B
Q2 25
$17.6B
$6.5B
Q1 25
$17.0B
$6.4B
Q4 24
$16.7B
$6.4B
Q3 24
$16.4B
$6.5B
Q2 24
$15.9B
$6.4B
Total Assets
BIIB
BIIB
NOV
NOV
Q1 26
$11.1B
Q4 25
$29.4B
$11.3B
Q3 25
$29.2B
$11.3B
Q2 25
$28.3B
$11.4B
Q1 25
$28.0B
$11.3B
Q4 24
$28.0B
$11.4B
Q3 24
$28.3B
$11.4B
Q2 24
$26.8B
$11.3B
Debt / Equity
BIIB
BIIB
NOV
NOV
Q1 26
Q4 25
0.34×
0.27×
Q3 25
0.35×
0.27×
Q2 25
0.36×
0.27×
Q1 25
0.27×
0.27×
Q4 24
0.38×
0.27×
Q3 24
0.28×
0.27×
Q2 24
0.40×
0.27×

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
NOV
NOV
Operating Cash FlowLast quarter
$511.9M
Free Cash FlowOCF − Capex
$468.0M
$51.0M
FCF MarginFCF / Revenue
20.5%
2.5%
Capex IntensityCapex / Revenue
1.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$2.1B
$876.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BIIB
BIIB
NOV
NOV
Q1 26
Q4 25
$511.9M
$573.0M
Q3 25
$1.3B
$352.0M
Q2 25
$160.9M
$191.0M
Q1 25
$259.3M
$135.0M
Q4 24
$760.9M
$591.0M
Q3 24
$935.6M
$359.0M
Q2 24
$625.8M
$432.0M
Free Cash Flow
BIIB
BIIB
NOV
NOV
Q1 26
$51.0M
Q4 25
$468.0M
$472.0M
Q3 25
$1.2B
$245.0M
Q2 25
$134.3M
$108.0M
Q1 25
$222.2M
$51.0M
Q4 24
$721.6M
$473.0M
Q3 24
$900.6M
$277.0M
Q2 24
$592.3M
$350.0M
FCF Margin
BIIB
BIIB
NOV
NOV
Q1 26
2.5%
Q4 25
20.5%
20.7%
Q3 25
48.4%
11.3%
Q2 25
5.1%
4.9%
Q1 25
9.1%
2.4%
Q4 24
29.4%
20.5%
Q3 24
36.5%
12.6%
Q2 24
24.0%
15.8%
Capex Intensity
BIIB
BIIB
NOV
NOV
Q1 26
Q4 25
1.9%
4.4%
Q3 25
1.8%
4.9%
Q2 25
1.0%
3.8%
Q1 25
1.5%
4.0%
Q4 24
1.6%
5.1%
Q3 24
1.4%
3.7%
Q2 24
1.4%
3.7%
Cash Conversion
BIIB
BIIB
NOV
NOV
Q1 26
Q4 25
Q3 25
2.73×
8.38×
Q2 25
0.25×
1.77×
Q1 25
1.08×
1.85×
Q4 24
2.85×
3.69×
Q3 24
2.41×
2.76×
Q2 24
1.07×
1.91×

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%

NOV
NOV

Energy Equipment$1.2B58%
Energy Products and Services$897.0M44%

Related Comparisons