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BIIB Stock Analysis - BIOGEN INC. AI Rating

BIIB Nasdaq Biological Products, (No Diagnostic Substances) DE CIK: 0000875045
Recently Updated • Analysis: Mar 21, 2026 • SEC Data: 2025-12-31
AI Rating
HOLD
62% Confidence

📊 BIIB Key Takeaways

Revenue: $9.9B
Net Margin: 13.1%
Free Cash Flow: $2.1B
Current Ratio: 2.68x
Debt/Equity: 0.34x
EPS: $8.79
AI Rating: HOLD with 62% confidence

Investment Thesis

Biogen demonstrates solid operational profitability with 15.7% operating margin and strong free cash flow generation ($2.1B), supported by a healthy balance sheet with 2.68x current ratio and manageable 0.34x debt-to-equity. However, revenue growth is anemic at 2.2% YoY with flat net income growth and diluted EPS declining 21.4%, indicating challenges in product pipeline execution or market competition that offset operational efficiency.

BIIB Strengths

  • + Strong free cash flow generation at $2.1B with 20.7% FCF margin provides capital flexibility
  • + Solid liquidity position with 2.68x current ratio and 2.03x quick ratio supporting operational stability
  • + Healthy interest coverage of 5.8x and conservative 0.34x debt-to-equity ratio indicate low financial distress risk
  • + Consistent gross margin at 117.7% suggests pricing power and cost management despite sector pressures

BIIB Risks

  • ! Stagnant revenue growth at 2.2% YoY with zero net income growth signals potential product portfolio challenges or market saturation
  • ! Significant EPS decline of 21.4% year-over-year despite flat net income suggests share dilution or unfavorable capital allocation
  • ! Low ROE of 7.1% and ROA of 4.4% indicate modest returns on capital despite substantial asset base of $29.4B
  • ! Elevated gross margin at 117.7% appears anomalous and may indicate accounting irregularities or non-operating gains requiring clarification

Key Metrics to Watch

BIIB Financial Metrics

Revenue
$9.9B
Net Income
$1.3B
EPS (Diluted)
$8.79
Free Cash Flow
$2.1B
Total Assets
$29.4B
Cash Position
$3.0B

💡 AI Analyst Insight

The 20.7% free cash flow margin provides substantial flexibility for dividends, buybacks, and strategic investments. Strong liquidity with a 2.68x current ratio provides a solid financial cushion.

BIIB Profitability Ratios

Gross Margin 117.7%
Operating Margin 15.7%
Net Margin 13.1%
ROE 7.1%
ROA 4.4%
FCF Margin 20.7%

BIIB vs Healthcare Sector

How BIOGEN INC. compares to Healthcare sector averages

Net Margin
BIIB 13.1%
vs
Sector Avg 12.0%
BIIB Sector
ROE
BIIB 7.1%
vs
Sector Avg 15.0%
BIIB Sector
Current Ratio
BIIB 2.7x
vs
Sector Avg 2.0x
BIIB Sector
Debt/Equity
BIIB 0.3x
vs
Sector Avg 0.6x
BIIB Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

BIIB Balance Sheet & Liquidity

Current Ratio
2.68x
Quick Ratio
2.03x
Debt/Equity
0.34x
Debt/Assets
38.0%
Interest Coverage
5.82x
Long-term Debt
$6.3B

BIIB 5-Year Financial Trend

BIIB 5-year financial data: Year 2021: Revenue $14.4B, Net Income $5.9B, EPS $31.42. Year 2022: Revenue $13.4B, Net Income $4.0B, EPS $24.80. Year 2023: Revenue $11.0B, Net Income $1.6B, EPS $10.40. Year 2024: Revenue $10.2B, Net Income $3.0B, EPS $20.87. Year 2025: Revenue $9.9B, Net Income $1.2B, EPS $7.97.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: BIOGEN INC.'s revenue has declined by 31% over the 5-year period, indicating business contraction. The most recent EPS of $7.97 reflects profitable operations.

BIIB Growth Metrics (YoY)

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
20.7%
Free cash flow / Revenue

BIIB Quarterly Performance

Quarterly financial performance data for BIOGEN INC. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $2.5B $388.5M $2.66
Q2 2025 $2.5B $583.6M $4.00
Q1 2025 $2.3B $240.5M $1.64
Q3 2024 $2.5B -$68.1M $-0.47
Q2 2024 $2.5B $583.6M $4.00
Q1 2024 $2.3B $387.9M $2.67
Q3 2023 $2.5B -$68.1M $-0.47
Q2 2023 $2.5B $591.6M $4.07

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

BIIB Capital Allocation

Operating Cash Flow
$2.2B
Cash generated from operations
Capital Expenditures
$153.8M
Investment in assets
Dividends
None
No dividend program

BIIB SEC Filings

Access official SEC EDGAR filings for BIOGEN INC. (CIK: 0000875045)

📋 Recent SEC Filings

Date Form Document Action
Mar 11, 2026 8-K form8-k.htm View →
Feb 17, 2026 4 xslF345X05/form4.xml View →
Feb 17, 2026 4 xslF345X05/form4.xml View →
Feb 17, 2026 4 xslF345X05/form4.xml View →
Feb 17, 2026 4 xslF345X05/form4.xml View →

Frequently Asked Questions about BIIB

What is the AI rating for BIIB?

BIOGEN INC. (BIIB) has an AI rating of HOLD with 62% confidence, based on fundamental analysis of SEC EDGAR filings.

What are BIIB's key strengths?

Strong free cash flow generation at $2.1B with 20.7% FCF margin provides capital flexibility. Solid liquidity position with 2.68x current ratio and 2.03x quick ratio supporting operational stability.

What are the risks of investing in BIIB?

Stagnant revenue growth at 2.2% YoY with zero net income growth signals potential product portfolio challenges or market saturation. Significant EPS decline of 21.4% year-over-year despite flat net income suggests share dilution or unfavorable capital allocation.

What is BIIB's revenue and growth?

BIOGEN INC. reported revenue of $9.9B.

Does BIIB pay dividends?

BIOGEN INC. does not currently pay dividends.

Where can I find BIIB SEC filings?

Official SEC filings for BIOGEN INC. (CIK: 0000875045) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is BIIB's EPS?

BIOGEN INC. has a diluted EPS of $8.79.

How is the AI analysis conducted?

Our AI (Claude) analyzes publicly available SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports to evaluate financial health, profitability ratios, balance sheet strength, and growth metrics.

Disclaimer: This analysis is generated by Claude AI based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Mar 21, 2026 | Data as of: 2025-12-31 | Powered by Claude AI