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Side-by-side financial comparison of Biogen (BIIB) and TUTOR PERINI CORP (TPC). Click either name above to swap in a different company.

Biogen is the larger business by last-quarter revenue ($2.3B vs $1.5B, roughly 1.5× TUTOR PERINI CORP). TUTOR PERINI CORP runs the higher net margin — 1.9% vs -2.1%, a 4.1% gap on every dollar of revenue. On growth, TUTOR PERINI CORP posted the faster year-over-year revenue change (41.2% vs -7.1%). Biogen produced more free cash flow last quarter ($468.0M vs $98.7M). Over the past eight quarters, TUTOR PERINI CORP's revenue compounded faster (19.9% 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 ...

Tutor Perini Corporation is one of the largest general contractors in the United States. It was formed by the merger of Perini Corporation and Tutor-Saliba Corporation in 2008. As of 2024, it reported annual revenue of approximately $4.33 billion. Tutor Perini is headquartered in Sylmar, California, and works on construction projects throughout North America. Specific areas of focus are civil infrastructure such as bridges, highways, tunnels, airports, and mass transit systems, building infra...

BIIB vs TPC — Head-to-Head

Bigger by revenue
BIIB
BIIB
1.5× larger
BIIB
$2.3B
$1.5B
TPC
Growing faster (revenue YoY)
TPC
TPC
+48.3% gap
TPC
41.2%
-7.1%
BIIB
Higher net margin
TPC
TPC
4.1% more per $
TPC
1.9%
-2.1%
BIIB
More free cash flow
BIIB
BIIB
$369.3M more FCF
BIIB
$468.0M
$98.7M
TPC
Faster 2-yr revenue CAGR
TPC
TPC
Annualised
TPC
19.9%
-0.2%
BIIB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BIIB
BIIB
TPC
TPC
Revenue
$2.3B
$1.5B
Net Profit
$-48.9M
$28.8M
Gross Margin
78.3%
9.8%
Operating Margin
-2.5%
3.3%
Net Margin
-2.1%
1.9%
Revenue YoY
-7.1%
41.2%
Net Profit YoY
-118.3%
136.3%
EPS (diluted)
$-0.35
$0.53

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
TPC
TPC
Q4 25
$2.3B
$1.5B
Q3 25
$2.5B
$1.4B
Q2 25
$2.6B
$1.4B
Q1 25
$2.4B
$1.2B
Q4 24
$2.5B
$1.1B
Q3 24
$2.5B
$1.1B
Q2 24
$2.5B
$1.1B
Q1 24
$2.3B
$1.0B
Net Profit
BIIB
BIIB
TPC
TPC
Q4 25
$-48.9M
$28.8M
Q3 25
$466.5M
$3.6M
Q2 25
$634.8M
$20.0M
Q1 25
$240.5M
$28.0M
Q4 24
$266.7M
$-79.4M
Q3 24
$388.5M
$-100.9M
Q2 24
$583.6M
$812.0K
Q1 24
$393.4M
$15.8M
Gross Margin
BIIB
BIIB
TPC
TPC
Q4 25
78.3%
9.8%
Q3 25
73.4%
12.0%
Q2 25
77.1%
14.3%
Q1 25
74.1%
10.8%
Q4 24
76.2%
-0.9%
Q3 24
74.1%
-2.4%
Q2 24
77.8%
10.4%
Q1 24
76.3%
11.0%
Operating Margin
BIIB
BIIB
TPC
TPC
Q4 25
-2.5%
3.3%
Q3 25
22.0%
2.8%
Q2 25
28.1%
5.6%
Q1 25
12.8%
5.2%
Q4 24
11.9%
-8.1%
Q3 24
18.3%
-9.9%
Q2 24
28.3%
3.6%
Q1 24
20.3%
4.7%
Net Margin
BIIB
BIIB
TPC
TPC
Q4 25
-2.1%
1.9%
Q3 25
18.4%
0.3%
Q2 25
24.0%
1.5%
Q1 25
9.9%
2.2%
Q4 24
10.9%
-7.4%
Q3 24
15.8%
-9.3%
Q2 24
23.7%
0.1%
Q1 24
17.2%
1.5%
EPS (diluted)
BIIB
BIIB
TPC
TPC
Q4 25
$-0.35
$0.53
Q3 25
$3.17
$0.07
Q2 25
$4.33
$0.38
Q1 25
$1.64
$0.53
Q4 24
$1.82
$-1.53
Q3 24
$2.66
$-1.92
Q2 24
$4.00
$0.02
Q1 24
$2.70
$0.30

Balance Sheet & Financial Strength

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

Metric
BIIB
BIIB
TPC
TPC
Cash + ST InvestmentsLiquidity on hand
$734.6M
Total DebtLower is stronger
$6.3B
$407.4M
Stockholders' EquityBook value
$18.3B
$1.2B
Total Assets
$29.4B
$5.2B
Debt / EquityLower = less leverage
0.34×
0.33×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BIIB
BIIB
TPC
TPC
Q4 25
$734.6M
Q3 25
$695.7M
Q2 25
$526.1M
Q1 25
$276.5M
Q4 24
$455.1M
Q3 24
$287.4M
Q2 24
$267.1M
Q1 24
$358.3M
Total Debt
BIIB
BIIB
TPC
TPC
Q4 25
$6.3B
$407.4M
Q3 25
$6.3B
$413.1M
Q2 25
$6.3B
$419.4M
Q1 25
$4.5B
$405.6M
Q4 24
$6.3B
$534.1M
Q3 24
$4.5B
$681.4M
Q2 24
$6.3B
$676.4M
Q1 24
$6.3B
$801.2M
Stockholders' Equity
BIIB
BIIB
TPC
TPC
Q4 25
$18.3B
$1.2B
Q3 25
$18.2B
$1.2B
Q2 25
$17.6B
$1.2B
Q1 25
$17.0B
$1.2B
Q4 24
$16.7B
$1.1B
Q3 24
$16.4B
$1.2B
Q2 24
$15.9B
$1.3B
Q1 24
$15.2B
$1.3B
Total Assets
BIIB
BIIB
TPC
TPC
Q4 25
$29.4B
$5.2B
Q3 25
$29.2B
$5.2B
Q2 25
$28.3B
$4.9B
Q1 25
$28.0B
$4.5B
Q4 24
$28.0B
$4.2B
Q3 24
$28.3B
$4.4B
Q2 24
$26.8B
$4.3B
Q1 24
$26.6B
$4.4B
Debt / Equity
BIIB
BIIB
TPC
TPC
Q4 25
0.34×
0.33×
Q3 25
0.35×
0.35×
Q2 25
0.36×
0.35×
Q1 25
0.27×
0.35×
Q4 24
0.38×
0.47×
Q3 24
0.28×
0.56×
Q2 24
0.40×
0.52×
Q1 24
0.41×
0.61×

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
TPC
TPC
Operating Cash FlowLast quarter
$511.9M
$173.7M
Free Cash FlowOCF − Capex
$468.0M
$98.7M
FCF MarginFCF / Revenue
20.5%
6.5%
Capex IntensityCapex / Revenue
1.9%
5.0%
Cash ConversionOCF / Net Profit
6.02×
TTM Free Cash FlowTrailing 4 quarters
$2.1B
$567.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BIIB
BIIB
TPC
TPC
Q4 25
$511.9M
$173.7M
Q3 25
$1.3B
$289.1M
Q2 25
$160.9M
$262.4M
Q1 25
$259.3M
$22.9M
Q4 24
$760.9M
$329.6M
Q3 24
$935.6M
$22.6M
Q2 24
$625.8M
$53.1M
Q1 24
$553.2M
$98.3M
Free Cash Flow
BIIB
BIIB
TPC
TPC
Q4 25
$468.0M
$98.7M
Q3 25
$1.2B
$240.2M
Q2 25
$134.3M
$235.6M
Q1 25
$222.2M
$-7.2M
Q4 24
$721.6M
$320.4M
Q3 24
$900.6M
$15.6M
Q2 24
$592.3M
$42.2M
Q1 24
$507.3M
$87.8M
FCF Margin
BIIB
BIIB
TPC
TPC
Q4 25
20.5%
6.5%
Q3 25
48.4%
17.0%
Q2 25
5.1%
17.1%
Q1 25
9.1%
-0.6%
Q4 24
29.4%
30.0%
Q3 24
36.5%
1.4%
Q2 24
24.0%
3.7%
Q1 24
22.1%
8.4%
Capex Intensity
BIIB
BIIB
TPC
TPC
Q4 25
1.9%
5.0%
Q3 25
1.8%
3.5%
Q2 25
1.0%
2.0%
Q1 25
1.5%
2.4%
Q4 24
1.6%
0.9%
Q3 24
1.4%
0.6%
Q2 24
1.4%
1.0%
Q1 24
2.0%
1.0%
Cash Conversion
BIIB
BIIB
TPC
TPC
Q4 25
6.02×
Q3 25
2.73×
79.63×
Q2 25
0.25×
13.14×
Q1 25
1.08×
0.82×
Q4 24
2.85×
Q3 24
2.41×
Q2 24
1.07×
65.44×
Q1 24
1.41×
6.24×

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%

TPC
TPC

State And Local Agencies$591.1M39%
Mass Transit$449.9M30%
Federal Agencies$115.0M8%
Bridges$100.5M7%
Military Facilities$93.1M6%
Commercial And Industrial Facilities$46.7M3%
Detention Facilities$43.8M3%
Power And Energy$35.8M2%
Multi Unit Residential$25.9M2%
Education Facilities$12.0M1%
Water$3.6M0%

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