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REGN
Regeneron Pharmaceuticals, Inc. · Health Care - Biotechnology
$768.58
+18.28% this month
VERSUS
⟷
COMPARE
VRTX
Vertex Pharmaceuticals Incorporated · Health Care - Biotechnology
$484.83
-8.45% this month
Scoreboard verdict
Across AI score, momentum, valuation, upside, operating margin
REGN
2
VRTX
3
Comparison scoreboard
VRTX LEADS 3/5AI Score
REGN 42.8
VRTX ✓50.7
1Y Return
REGN ✓+34.86%
VRTX +29.29%
Fwd P/E
REGN ✓12.78
VRTX 22.36
Target Up.
REGN +9.30%
VRTX ✓+16.77%
Op. Margin
REGN 33.11%
VRTX ✓38.13%
Metrics last refreshed: 8/6/2026
Quick take
REGN vs VRTX Stock Comparison: AI Score, Valuation, Performance and Upside
Both REGN and VRTX are elite large-cap biotechs with dominant, high-profit franchise drugs and strong internal R&D capabilities. Regeneron's Dupixent offers broader commercial reach across common inflammatory diseases, while Vertex's CF monopoly generates exceptional profit margins from a specialized rare disease franchise — both are compounding profitable biotech investments.
REGN vs VRTX compares two of biotech's premier large-cap franchises: Regeneron's Dupixent-led inflammatory disease platform versus Vertex's near-monopoly cystic fibrosis franchise.
Live analysis · updated 8/6/2026
VRTX holds the edge across 3 of 5 key metrics in this comparison. REGN leads on both 1-year return (+34.86%) and forward P/E quality (12.78x vs 22.36x for VRTX), a relatively favorable combination of momentum and valuation. On fundamentals, REGN is growing revenue faster (16.70%), while VRTX maintains the higher operating margin (38.13%) — a classic growth-versus-profitability split. Analyst consensus implies meaningfully more upside for VRTX (+16.77%) than for REGN (+9.30%).
Normalized 1Y performance
REGN
VRTX
Recent returns
REGN
VRTX
Analyst price targets & sentiment
REGN · 23 analysts
STRONG BUYHOLDSTRONG SELL
Buy (1.7/5.0)
Price target range
analyst low$535.00
analyst high$950.00
analyst mean$833.54
current price$768.58
+9.3% upside to analyst mean
VRTX · 28 analysts
STRONG BUYHOLDSTRONG SELL
Buy (2.1/5.0)
Price target range
analyst low$330.00
analyst high$621.00
analyst mean$557.13
current price$484.83
+16.8% upside to analyst mean
Who should consider this stock?
REGN may suit investors who:
- →Want exposure to a large-cap biotech with a commercially proven, multi-indication blockbuster in Dupixent
- →Value Regeneron's track record of internal drug discovery and commercialization across multiple products
- →Believe Dupixent's continued indication expansion can sustain its revenue growth trajectory
VRTX may suit investors who:
- →Want exposure to a large-cap biotech with exceptional profitability from a near-monopoly CF franchise
- →Believe suzetrigine non-opioid pain represents a significant new commercial opportunity
- →Value Vertex's strong free cash flow generation enabling pipeline investment without dilution
Performance & AI score
| Metric | REGN | VRTX |
|---|---|---|
| AI score | 42.8 | 50.7 |
| AI rank | #827 | #433 |
| Latest close | $768.58 | $484.83 |
| 1M return | +18.28% | -8.45% |
| 6M return | -0.84% | +3.04% |
| 1Y return | +34.86% | +29.29% |
$10,000 invested — hypothetical growth (dividends reinvested)
How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?
| Period | REGN | VRTX |
|---|---|---|
| 1Y ago | $13.85K (+38.5%) started 2025-08-06 | $12.57K (+25.7%) started 2025-08-06 |
| 5Y ago | $12.57K (+25.7%) started 2021-08-09 | $24.19K (+141.9%) started 2021-08-09 |
| 10Y ago | $18.33K (+83.3%) started 2016-08-08 | $47.31K (+373.1%) started 2016-08-08 |
Hypothetical — past performance does not guarantee future results.
Valuation & upside potential
| Metric | REGN | VRTX |
|---|---|---|
| Market cap | $78.52B | $121.09B |
| Trailing P/E | 18.87 | 28.33 |
| Forward P/E | 12.78 | 22.36 |
| Price/Sales | 3.78 | 10.42 |
| EV/Revenue | 4.56 | 9.48 |
| Analyst target | $833.54 | $557.13 |
| Target upside | +9.30% | +16.77% |
Growth, profitability & risk
| Metric | REGN | VRTX |
|---|---|---|
| Revenue growth | 16.70% | 7.80% |
| Earnings growth | -4.50% | 61.40% |
| EPS growth | -4.50% | +61.40% |
| FCF margin | +19.73% | +22.78% |
| Operating margin | 33.11% | 38.13% |
| Profit margin | 27.87% | 35.51% |
| ROIC proxy | 14.04% | 24.20% |
| Return on equity | 14.04% | 24.20% |
| Dividend yield | 0.49% | N/A |
| Beta | 0.24 | 0.29 |
| Debt/equity | 8.54 | 10.26 |
| Current ratio | 3.33 | 3.02 |
| Quick ratio | 2.63 | 2.38 |
Drawdown & downside risk
Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.
1Y risk snapshot
REGN max drawdown26.05%
VRTX max drawdown15.21%
REGN max wkly drop12.87%
VRTX max wkly drop9.32%
5Y risk snapshot
REGN max drawdown59.69%
VRTX max drawdown29.07%
REGN max wkly drop20.21%
VRTX max wkly drop20.71%
10Y risk snapshot
REGN max drawdown59.69%
VRTX max drawdown41.60%
REGN max wkly drop20.21%
VRTX max wkly drop22.29%
Performance metrics by period
| Period | Metric | REGN | VRTX |
|---|---|---|---|
| 1Y | Growth | +38.45% | +25.72% |
| CAGR | +38.53% | +25.77% | |
| Sharpe ratio | 1.01 | 0.80 | |
| Max drawdown | 26.05% | 15.21% | |
| Max daily drop | 9.82% | 4.56% | |
| Max wkly drop | 12.87% | 9.32% | |
| 5Y | Growth | +25.53% | +141.93% |
| CAGR | +4.66% | +19.36% | |
| Sharpe ratio | 0.16 | 0.61 | |
| Max drawdown | 59.69% | 29.07% | |
| Max daily drop | 19.01% | 20.60% | |
| Max wkly drop | 20.21% | 20.71% | |
| 10Y | Growth | +83.05% | +373.14% |
| CAGR | +6.24% | +16.83% | |
| Sharpe ratio | 0.21 | 0.50 | |
| Max drawdown | 59.69% | 41.60% | |
| Max daily drop | 19.01% | 20.70% | |
| Max wkly drop | 20.21% | 22.29% |
Business comparison
| Category | REGN | VRTX |
|---|---|---|
| Company | Regeneron Pharmaceuticals, Inc. | Vertex Pharmaceuticals Incorporated |
| Sector | Healthcare | Healthcare |
| Industry | Biotechnology | Biotechnology |
| Core business | Regeneron is a large-cap biotechnology company known for its blockbuster drugs Dupixent (atopic dermatitis, asthma) and Eylea (wet AMD), with a broad pipeline including antibody-based therapies, bispecific antibodies, and gene editing approaches. | Vertex is a large-cap biotechnology company that has established a near-monopoly in cystic fibrosis (CF) treatments with its Trikafta/Kaftrio franchise, generating substantial profits while expanding into pain, kidney disease, and cell therapy through CRISPR-based approaches. |
| Investor focus | Investors track Dupixent's continued revenue growth across its expanding indications, Eylea's defense against biosimilar competition, and the advancement of next-generation products in the pipeline. | Investors track Vertex's CF franchise durability and patient uptake, progress of pipeline programs in non-opioid pain (suzetrigine), kidney disease (inaxaplin), and its CRISPR-based gene therapy collaboration with CRISPR Therapeutics. |
REGN strengths
- →Dupixent is one of the best-selling drugs globally with continued growth driven by new indications in atopic dermatitis, asthma, COPD, and beyond
- →Strong internal drug discovery capabilities with a track record of bringing multiple successful drugs to market
- →Eylea (aflibercept) remains a leading treatment for retinal diseases despite biosimilar entry
VRTX strengths
- →Near-monopoly position in cystic fibrosis treatment with Trikafta generating billions in highly profitable revenue
- →Strong free cash flow from CF franchise funds pipeline expansion without capital market dependency
- →Non-opioid pain drug (suzetrigine) represents a potential major new franchise outside CF
Risks to watch — REGN
- →Eylea is facing increasing biosimilar competition that will pressure its revenue over time
- →Dupixent will eventually face biosimilar competition as its patents approach expiration
- →Continued pipeline investment is critical to sustaining growth as current franchise products mature
Risks to watch — VRTX
- →CF franchise is highly concentrated in a rare disease with a finite patient population that is gradually being addressed
- →Suzetrigine pain franchise faces a long commercial build and competition from existing pain management approaches
- →Gene therapy programs remain high-risk and early-stage despite significant investment
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