AMGN vs. BIIB: Amgen vs. Biogen Stock Comparison
How do Amgen (AMGN) and Biogen (BIIB) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.
Company Profile
Amgen (AMGN) and Biogen (BIIB) are both classified in the Biotechnology sub-industry within the broader Biotechnology industry, placing them in the closest GICS peer bucket.
| Profile Item | AMGN | BIIB |
|---|---|---|
| Name | Amgen Inc. Common Stock | Biogen Inc. |
| Country/Region | United States | United States |
| GICS Sector | Health Care | Health Care |
| GICS Industry Group | Pharmaceuticals, Biotechnology & Life Sciences | Pharmaceuticals, Biotechnology & Life Sciences |
| GICS Industry | Biotechnology | Biotechnology |
| GICS Sub-Industry | Biotechnology | Biotechnology |
| Market Capitalization | 249.05 billion USD | 36.71 billion USD |
| Currency | USD | USD |
| Exchange | Nasdaq | Nasdaq |
| Listing Date | June 17, 1983 | September 17, 1991 |
| Security Type | Common Stock | Common Stock |
Price Performance
Cumulative Growth
Trailing Returns
Calendar-Year Returns
Performance Metrics
| Metric | AMGN | BIIB |
|---|---|---|
| Total Return (1Y) | 48.82% | 65.44% |
| Total Return (3Y, Annualized) | 24.31% | 4.62% |
| Total Return (5Y, Annualized) | 20.67% | -0.96% |
Risk Profile
Drawdown History
Return Distribution
Risk Metrics
| Metric | AMGN | BIIB |
|---|---|---|
| Volatility (1Y, Annualized) | 29.12% | 34.58% |
| Beta (5Y) | 0.43 | 0.08 |
| Max Drawdown (5Y) | -24.86% | -64.35% |
| Avg. Volume (3M) | 2.76M | 1.05M |
Risk-Adjusted Performance
Risk-Return Positioning
Risk-Adjusted Metrics
| Metric | AMGN | BIIB |
|---|---|---|
| Sharpe Ratio (1Y) | 1.53 | 1.77 |
| Sortino Ratio (1Y) | 2.36 | 2.77 |
Profitability
ROE (TTM)
Amgen (AMGN) at 78.35% sits in the top ROE quartile, while Biogen (BIIB) at 1.87% is closer to the peer norm — stronger capital efficiency for AMGN.
AMGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
78.35%
- Max
- 109.18%
- AMGN
- 78.35%
- Q3
- 6.23%
- Median
- -26.66%
- Q1
- -64.05%
- Min
- -167.77%
BIIB
Pharmaceuticals, Biotechnology & Life Sciences industry group
1.87%
- Max
- 109.18%
- Q3
- 6.23%
- BIIB
- 1.87%
- Median
- -26.66%
- Q1
- -64.05%
- Min
- -167.77%
Net Margin (TTM)
Amgen (AMGN) at 24.14% converts revenue to bottom-line profit above its industry’s benchmark range, while Biogen (BIIB) at 3.38% keeps roughly the typical share for its industry.
AMGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
24.14%
- AMGN
- 24.14%
- Max
- 18.05%
- Q3
- 4.78%
- Median
- 0.00%
- Q1
- -4.14%
- Min
- -17.05%
BIIB
Pharmaceuticals, Biotechnology & Life Sciences industry group
3.38%
- Max
- 18.05%
- Q3
- 4.78%
- BIIB
- 3.38%
- Median
- 0.00%
- Q1
- -4.14%
- Min
- -17.05%
Operating Margin (TTM)
Both Amgen (AMGN) at 35.79% and Biogen (BIIB) at 24.12% convert sales into operating profit at a top-quartile rate, pointing to tighter cost discipline before financing and tax.
AMGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
35.79%
- Max
- 83.12%
- AMGN
- 35.79%
- Q3
- 14.77%
- Median
- 0.00%
- Q1
- -78.82%
- Min
- -207.40%
BIIB
Pharmaceuticals, Biotechnology & Life Sciences industry group
24.12%
- Max
- 83.12%
- BIIB
- 24.12%
- Q3
- 14.77%
- Median
- 0.00%
- Q1
- -78.82%
- Min
- -207.40%
Profitability Metrics
| Metric | AMGN | BIIB |
|---|---|---|
| ROE (TTM) | 78.35% | 1.87% |
| ROA (TTM) | 8.91% | 4.94% |
| Net Margin (TTM) | 24.14% | 3.38% |
| Operating Margin (TTM) | 35.79% | 24.12% |
| Gross Margin (TTM) | 72.47% | 75.77% |
Growth
Revenue Growth
Both Amgen (AMGN) at 9.95% and Biogen (BIIB) at 2.22% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.
EPS Growth
Amgen (AMGN) at 88.23% sits in the top EPS growth quartile, while Biogen (BIIB) at -21.38% is closer to the peer norm — faster per-share earnings growth for AMGN.
Growth Metrics
| Metric | AMGN | BIIB |
|---|---|---|
| Revenue Growth (YoY) | 9.95% | 2.22% |
| Revenue Growth (3Y CAGR) | 11.77% | -0.94% |
| EPS Growth (YoY) | 88.23% | -21.38% |
| EPS Growth (3Y CAGR) | 5.52% | -25.04% |
Financial Strength
Current Ratio (MRQ)
Both Amgen (AMGN) at 1.48 and Biogen (BIIB) at 1.95 run current ratio in the tighter-liquidity quartile of industry peers, leaving thinner cushions against current liabilities than typical competitors.
AMGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
1.48
- Max
- 25.13
- Q3
- 12.13
- Median
- 5.52
- Q1
- 2.47
- AMGN
- 1.48
- Min
- 0.10
BIIB
Pharmaceuticals, Biotechnology & Life Sciences industry group
1.95
- Max
- 25.13
- Q3
- 12.13
- Median
- 5.52
- Q1
- 2.47
- BIIB
- 1.95
- Min
- 0.10
Debt / Equity (MRQ)
Biogen (BIIB) at 0.41 is near its industry mid-range for debt-to-equity ratio, while Amgen (AMGN) at 3.76 sits above its benchmark range, pointing to a heavier debt load relative to equity.
AMGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
3.76
- AMGN
- 3.76
- Max
- 1.42
- Q3
- 0.65
- Median
- 0.15
- Q1
- 0.02
- Min
- 0.00
BIIB
Pharmaceuticals, Biotechnology & Life Sciences industry group
0.41
- Max
- 1.42
- Q3
- 0.65
- BIIB
- 0.41
- Median
- 0.15
- Q1
- 0.02
- Min
- 0.00
Financial Strength Metrics
| Metric | AMGN | BIIB |
|---|---|---|
| Current Ratio (MRQ) | 1.48 | 1.95 |
| Debt / Equity (MRQ) | 3.76 | 0.41 |
| Net Debt / EBITDA | 2.31 | 1.97 |
Dividends
Dividend Yield (TTM)
Biogen (BIIB) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Amgen (AMGN) reports a yield of 2.16%, ranking against industry peers normally.
AMGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
2.16%
- AMGN
- 2.16%
- Max
- 0.00%
- Q3
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
BIIB
Pharmaceuticals, Biotechnology & Life Sciences industry group
0.00%
- BIIB
- 0.00%
- Max
- 0.00%
- Q3
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
Biogen (BIIB) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Amgen (AMGN) reports a payout of 57.62%, ranking against industry peers normally.
AMGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
57.62%
- AMGN
- 57.62%
- Max
- 0.00%
- Q3
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
BIIB
Pharmaceuticals, Biotechnology & Life Sciences industry group
0.00%
- BIIB
- 0.00%
- Max
- 0.00%
- Q3
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Metrics
| Metric | AMGN | BIIB |
|---|---|---|
| Dividend Yield (TTM) | 2.16% | 0.00% |
| Dividend Payout Ratio (TTM) | 57.62% | 0.00% |
Valuation
P/E Ratio (TTM)
Amgen (AMGN) at 26.69 is near its industry’s usual P/E ratio, while Biogen (BIIB) at 107.51 sits above its peer range — an unusually expensive price for BIIB’s trailing earnings.
AMGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
26.69
- Max
- 85.34
- Q3
- 43.46
- AMGN
- 26.69
- Median
- 26.69
- Q1
- 13.30
- Min
- 0.07
BIIB
Pharmaceuticals, Biotechnology & Life Sciences industry group
107.51
- BIIB
- 107.51
- Max
- 85.34
- Q3
- 43.46
- Median
- 26.69
- Q1
- 13.30
- Min
- 0.07
P/S Ratio (TTM)
On P/S ratio, both Amgen (AMGN) at 6.40 and Biogen (BIIB) at 3.57 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.
AMGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
6.40
- Max
- 58.18
- Q3
- 25.77
- Median
- 7.30
- AMGN
- 6.40
- Q1
- 3.01
- Min
- 0.01
BIIB
Pharmaceuticals, Biotechnology & Life Sciences industry group
3.57
- Max
- 58.18
- Q3
- 25.77
- Median
- 7.30
- BIIB
- 3.57
- Q1
- 3.01
- Min
- 0.01
P/B Ratio (MRQ)
Biogen (BIIB) at 1.94 sits near its industry’s typical P/B ratio, while Amgen (AMGN) at 17.35 prices above its benchmark range — AMGN looks rich relative to book.
AMGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
17.35
- AMGN
- 17.35
- Max
- 13.53
- Q3
- 6.54
- Median
- 3.25
- Q1
- 1.69
- Min
- -5.59
BIIB
Pharmaceuticals, Biotechnology & Life Sciences industry group
1.94
- Max
- 13.53
- Q3
- 6.54
- Median
- 3.25
- BIIB
- 1.94
- Q1
- 1.69
- Min
- -5.59
Valuation Metrics
| Metric | AMGN | BIIB |
|---|---|---|
| P/E Ratio (TTM) | 26.69 | 107.51 |
| P/S Ratio (TTM) | 6.40 | 3.57 |
| P/B Ratio (MRQ) | 17.35 | 1.94 |
| Free Cash Flow Yield (TTM) | 2.96% | 2.20% |