BIIB Biogen Inc.
Stable Earnings Power
C 56.3 / 100 composite

AlphaQuality composite grade, weighted for stable earnings power businesses.

Profitability

Weight: 20%
D+ 43
  • 5yr Avg ROIC 9.4%
  • Operating Margin Trend -1.52 pp/yr

Capital Efficiency

Weight: 15%
B- 63
  • 5yr Avg ROE 9.5%
  • 5yr Share-Count CAGR -0.5%

Growth Quality

Weight: 15%
F 15
  • 5yr Revenue CAGR -2.8%
  • 5yr EPS CAGR -4.0%
  • Revenue-Growth Years (5) 1/5

Cash Generation

Weight: 15%
A 92
  • 5yr FCF Margin 20.3%
  • 5yr FCF/NI Conversion 1.35x

Balance Sheet

Weight: 20%
A- 84
  • Net Debt / EBITDA 1.01x
  • Interest Coverage (EBIT/Int) 8.80x
  • Altman Z-Score 3.37

Stability

Weight: 15%
D 38
  • EPS Volatility (σ/μ) 0.45
  • Piotroski F-Score 5
  • Negative-Revenue Years (5) 4/5

Guru Flow

Curated superinvestor sentiment — not part of the AlphaQuality grade.
Holding

3 of 3 gurus held; 1 added; 1 trimmed; 1 full exit.

Holders
3
Avg Δ position
-30.6%
New buys
0
Full exits
1
As of Q1 2026