Fair value (multi-method)
Four independent methods triangulate what BIIB is worth. The headline is the Forward-DCF intrinsic value at a normalized growth rate; the margin of safety compares it to the current price.
Estimated fair value (Forward DCF)
$52.52
Method range
$52.52 – $276.52
median $145.46
Valuation methods
Each method’s implied fair value per share and its upside versus the current price. Missing methods (no analyst coverage, negative earnings, etc.) are shown as “—”.
| Method | Fair value | Upside vs price |
|---|---|---|
| Forward DCF | $52.52 | -73.11% |
| Exit multiple | $276.52 | +41.56% |
| Analyst target | $212.26 | +8.66% |
| Graham number | $78.66 | -59.73% |
- Forward DCF$52.52
- Exit multiple$276.52
- Analyst target$212.26
- Graham number$78.66
Stock price
$195.34
FCF / share (TTM)
$4.73
3Y FCF CAGR
-11.3%
Fair value @ hist. growth
$48.71
This analysis is for informational purposes only and is not financial advice. Scenario prices and DCF-style figures depend on your assumptions and data from public filings and estimates. They are not forecasts of future returns.
Implied FCF growth
4.8%
per year over your projection horizon
Margin of safety -301.0% vs hist-growth DCF
Historical 3Y CAGR
-11.3%
Your model implies
4.8%
Analyst consensus is EPS-only — no comparable FCF / share estimate to show on this basis.
Model inputs
Move sliders to test how the reverse DCF reacts. Historical-growth markers show where the company has actually grown over the last cycle.
Undiscounted FCF per share over 10 years at -11% annual growth.
Sensitivity — implied growth vs your assumptions
Each cell shows the per-share growth rate the market would need to justify the current price at that combination of discount rate (rows) and terminal growth (columns). Your selected inputs are highlighted.
| Row axis: discount rate. Column axis: terminal growth.Terminal g →↓ Discount | 1.5% | 2.0% | 2.5% | 3.0% | 3.5% |
|---|---|---|---|---|---|
| 5.0% | 5.7% | 4.3% | 2.6% | 0.5% | -2.1% |
| 5.0% | 5.7% | 4.3% | 2.6% | 0.5% | -2.1% |
| 5.5% | 7.4% | 6.2% | 4.8% | 3.1% | 1.1% |
| 6.5% | 10.4% | 9.5% | 8.4% | 7.1% | 5.7% |
| 7.5% | 13.1% | 12.3% | 11.4% | 10.4% | 9.3% |
Historical multiples
Each bar is the trailing five-year range (low left, high right). Filled portion runs from low to today; the dot marks today; the small tick marks the five-year median. Low, median, and high are listed under each bar.
Net debt
$3.9B
Total debt − cash
Beta
0.20
Vs market benchmark
Frequently asked questions
Biogen (BIIB) Key Financials
Charts, filings, and peer comparison for every metric
Explore more
Deep-dives across the income statement, cash flow, capital return, and valuation