ALNY vs. REGN: Alnylam Pharmaceuticals vs. Regeneron Pharmaceuticals Stock Comparison
How do Alnylam Pharmaceuticals (ALNY) and Regeneron Pharmaceuticals (REGN) 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
Alnylam Pharmaceuticals (ALNY) and Regeneron Pharmaceuticals (REGN) are both classified in the Biotechnology sub-industry within the broader Biotechnology industry, placing them in the closest GICS peer bucket.
| Profile Item | ALNY | REGN |
|---|---|---|
| Name | Alnylam Pharmaceuticals, Inc. | Regeneron Pharmaceuticals, 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 | 20.89 billion USD | 93.55 billion USD |
| Currency | USD | USD |
| Exchange | Nasdaq | Nasdaq |
| Listing Date | June 1, 2004 | April 2, 1991 |
| Security Type | Common Stock | Common Stock |
Price Performance
Cumulative Growth
Trailing Returns
Calendar-Year Returns
Performance Metrics
| Metric | ALNY | REGN |
|---|---|---|
| Total Return (1Y) | -64.57% | 40.87% |
| Total Return (3Y, Annualized) | -1.58% | 5.15% |
| Total Return (5Y, Annualized) | -3.13% | 8.58% |
Risk Profile
Drawdown History
Return Distribution
Risk Metrics
| Metric | ALNY | REGN |
|---|---|---|
| Volatility (1Y, Annualized) | 54.08% | 34.08% |
| Beta (5Y) | 0.45 | 0.10 |
| Max Drawdown (5Y) | -68.25% | -59.69% |
| Avg. Volume (3M) | 1.90M | 772.95K |
Risk-Adjusted Performance
Risk-Return Positioning
Risk-Adjusted Metrics
| Metric | ALNY | REGN |
|---|---|---|
| Sharpe Ratio (1Y) | -1.27 | 1.07 |
| Sortino Ratio (1Y) | -1.45 | 1.70 |
Profitability
ROE (TTM)
Both companies show strong equity returns, but Alnylam Pharmaceuticals (ALNY) at 138.07% is the standout with ROE above its industry range; Regeneron Pharmaceuticals (REGN) at 14.95% also sits in the top quartile.
ALNY
Pharmaceuticals, Biotechnology & Life Sciences industry group
138.07%
- ALNY
- 138.07%
- Max
- 109.18%
- Q3
- 6.23%
- Median
- -26.66%
- Q1
- -64.05%
- Min
- -167.77%
REGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
14.95%
- Max
- 109.18%
- REGN
- 14.95%
- Q3
- 6.23%
- Median
- -26.66%
- Q1
- -64.05%
- Min
- -167.77%
Net Margin (TTM)
Both Alnylam Pharmaceuticals (ALNY) at 52.85% and Regeneron Pharmaceuticals (REGN) at 28.51% keep an unusually large share of revenue as bottom-line profit — each net margin clears its industry’s benchmark range.
ALNY
Pharmaceuticals, Biotechnology & Life Sciences industry group
52.85%
- ALNY
- 52.85%
- Max
- 18.05%
- Q3
- 4.78%
- Median
- 0.00%
- Q1
- -4.14%
- Min
- -17.05%
REGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
28.51%
- REGN
- 28.51%
- Max
- 18.05%
- Q3
- 4.78%
- Median
- 0.00%
- Q1
- -4.14%
- Min
- -17.05%
Operating Margin (TTM)
Both Alnylam Pharmaceuticals (ALNY) at 23.72% and Regeneron Pharmaceuticals (REGN) at 40.46% convert sales into operating profit at a top-quartile rate, pointing to tighter cost discipline before financing and tax.
ALNY
Pharmaceuticals, Biotechnology & Life Sciences industry group
23.72%
- Max
- 83.12%
- ALNY
- 23.72%
- Q3
- 14.77%
- Median
- 0.00%
- Q1
- -78.82%
- Min
- -207.40%
REGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
40.46%
- Max
- 83.12%
- REGN
- 40.46%
- Q3
- 14.77%
- Median
- 0.00%
- Q1
- -78.82%
- Min
- -207.40%
Profitability Metrics
| Metric | ALNY | REGN |
|---|---|---|
| ROE (TTM) | 138.07% | 14.95% |
| ROA (TTM) | 9.51% | 7.59% |
| Net Margin (TTM) | 52.85% | 28.51% |
| Operating Margin (TTM) | 23.72% | 40.46% |
| Gross Margin (TTM) | 77.28% | 46.73% |
Growth
Revenue Growth
Alnylam Pharmaceuticals (ALNY) at 65.19% sits in the top revenue growth quartile, while Regeneron Pharmaceuticals (REGN) at 0.99% is closer to the peer norm — faster top-line expansion for ALNY.
EPS Growth
Only one side can be read here: Regeneron Pharmaceuticals (REGN) reports EPS growth of 8.19%, ranked against its industry; Alnylam Pharmaceuticals (ALNY) has no EPS growth figure this period.
Growth Metrics
| Metric | ALNY | REGN |
|---|---|---|
| Revenue Growth (YoY) | 65.19% | 0.99% |
| Revenue Growth (3Y CAGR) | 52.98% | 5.62% |
| EPS Growth (YoY) | -- | 8.19% |
| EPS Growth (3Y CAGR) | -- | 2.77% |
Financial Strength
Current Ratio (MRQ)
Both Alnylam Pharmaceuticals (ALNY) at 2.48 and Regeneron Pharmaceuticals (REGN) at 3.35 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.
ALNY
Pharmaceuticals, Biotechnology & Life Sciences industry group
2.48
- Max
- 25.13
- Q3
- 12.13
- Median
- 5.52
- ALNY
- 2.48
- Q1
- 2.47
- Min
- 0.10
REGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
3.35
- Max
- 25.13
- Q3
- 12.13
- Median
- 5.52
- REGN
- 3.35
- Q1
- 2.47
- Min
- 0.10
Debt / Equity (MRQ)
Regeneron Pharmaceuticals (REGN) at 0.08 carries an industry-typical debt-to-equity mix, while Alnylam Pharmaceuticals (ALNY) at 0.83 uses more debt funding than most peers.
ALNY
Pharmaceuticals, Biotechnology & Life Sciences industry group
0.83
- Max
- 1.42
- ALNY
- 0.83
- Q3
- 0.65
- Median
- 0.15
- Q1
- 0.02
- Min
- 0.00
REGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
0.08
- Max
- 1.42
- Q3
- 0.65
- Median
- 0.15
- REGN
- 0.08
- Q1
- 0.02
- Min
- 0.00
Financial Strength Metrics
| Metric | ALNY | REGN |
|---|---|---|
| Current Ratio (MRQ) | 2.48 | 3.35 |
| Debt / Equity (MRQ) | 0.83 | 0.08 |
| Net Debt / EBITDA | -0.57 | -1.17 |
Dividends
Dividend Yield (TTM)
Alnylam Pharmaceuticals (ALNY) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Regeneron Pharmaceuticals (REGN) reports a yield of 0.41%, ranking against industry peers normally.
ALNY
Pharmaceuticals, Biotechnology & Life Sciences industry group
0.00%
- ALNY
- 0.00%
- Max
- 0.00%
- Q3
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
REGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
0.41%
- REGN
- 0.41%
- Max
- 0.00%
- Q3
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
Alnylam Pharmaceuticals (ALNY) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Regeneron Pharmaceuticals (REGN) reports a payout of 8.18%, ranking against industry peers normally.
ALNY
Pharmaceuticals, Biotechnology & Life Sciences industry group
0.00%
- ALNY
- 0.00%
- Max
- 0.00%
- Q3
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
REGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
8.18%
- REGN
- 8.18%
- Max
- 0.00%
- Q3
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Metrics
| Metric | ALNY | REGN |
|---|---|---|
| Dividend Yield (TTM) | 0.00% | 0.41% |
| Dividend Payout Ratio (TTM) | 0.00% | 8.18% |
Valuation
P/E Ratio (TTM)
Alnylam Pharmaceuticals (ALNY) at 7.88 sits in the cheaper P/E ratio quartile, while Regeneron Pharmaceuticals (REGN) at 19.99 is closer to its industry’s usual earnings multiple — a discount for ALNY, though growth and earnings durability still matter.
ALNY
Pharmaceuticals, Biotechnology & Life Sciences industry group
7.88
- Max
- 85.34
- Q3
- 43.46
- Median
- 26.69
- Q1
- 13.30
- ALNY
- 7.88
- Min
- 0.07
REGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
19.99
- Max
- 85.34
- Q3
- 43.46
- Median
- 26.69
- REGN
- 19.99
- Q1
- 13.30
- Min
- 0.07
P/S Ratio (TTM)
On P/S ratio, both Alnylam Pharmaceuticals (ALNY) at 4.17 and Regeneron Pharmaceuticals (REGN) at 5.54 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.
ALNY
Pharmaceuticals, Biotechnology & Life Sciences industry group
4.17
- Max
- 58.18
- Q3
- 25.77
- Median
- 7.30
- ALNY
- 4.17
- Q1
- 3.01
- Min
- 0.01
REGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
5.54
- Max
- 58.18
- Q3
- 25.77
- Median
- 7.30
- REGN
- 5.54
- Q1
- 3.01
- Min
- 0.01
P/B Ratio (MRQ)
On P/B ratio, both Alnylam Pharmaceuticals (ALNY) at 5.79 and Regeneron Pharmaceuticals (REGN) at 2.71 are valued close to their industries’ norm against book — neither stands out from peers.
ALNY
Pharmaceuticals, Biotechnology & Life Sciences industry group
5.79
- Max
- 13.53
- Q3
- 6.54
- ALNY
- 5.79
- Median
- 3.25
- Q1
- 1.69
- Min
- -5.59
REGN
Pharmaceuticals, Biotechnology & Life Sciences industry group
2.71
- Max
- 13.53
- Q3
- 6.54
- Median
- 3.25
- REGN
- 2.71
- Q1
- 1.69
- Min
- -5.59
Valuation Metrics
| Metric | ALNY | REGN |
|---|---|---|
| P/E Ratio (TTM) | 7.88 | 19.99 |
| P/S Ratio (TTM) | 4.17 | 5.54 |
| P/B Ratio (MRQ) | 5.79 | 2.71 |
| Free Cash Flow Yield (TTM) | 1.57% | 2.76% |