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Regeneron Pharmaceuticals, Inc.. (REGN) Stock Fundamental Analysis & AI Rating 2026

REGN Nasdaq Pharmaceutical Preparations NY CIK: 0000872589
Updated This Month • Analysis: Mar 19, 2026 • SEC Data: 2025-12-31
📅 Next earnings: Apr 29, 2026 (in 13 days) • Pre-market ET • EPS est. $6.21 (vs $6.43 prior year) • All earnings →
Combined AI Rating
BUY
80% Confidence
STRONG AGREEMENT
BUY
78% Conf
BUY
82% Conf

📊 REGN Key Takeaways

Revenue: $14.3B
Net Margin: 31.4%
Free Cash Flow: $4.1B
Current Ratio: 4.13x
Debt/Equity: 0.06x
EPS: $41.48
AI Rating: BUY with 78% confidence
Regeneron Pharmaceuticals, Inc.. (REGN) receives a BUY rating with 80% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $14.3B, net profit margin of 31.4%, and return on equity (ROE) of 14.4%, Regeneron Pharmaceuticals, Inc.. demonstrates strong fundamentals in the Healthcare sector. Below is our complete REGN stock analysis for 2026.

Is Regeneron Pharmaceuticals, Inc.. (REGN) a Good Investment?

Claude

Regeneron demonstrates strong fundamental financial health with exceptional profitability (31.4% net margin), robust free cash flow generation ($4.1B annually), and fortress-like balance sheet with minimal leverage (0.06x debt/equity). However, modest revenue growth of only 1.0% YoY suggests mature market positioning and limited near-term expansion catalysts, warranting a BUY rather than STRONG_BUY rating.

ChatGPT

Regeneron shows high-quality fundamentals: strong profitability, a 31.4% net margin, robust free cash flow generation, and an exceptionally strong balance sheet with low leverage and ample liquidity. The main limitation is modest recent revenue growth, but the company’s financial resilience and cash-producing capacity support a favorable fundamental outlook if it can sustain pipeline execution and margin discipline.

Why Buy Regeneron Pharmaceuticals, Inc.. Stock? REGN Key Strengths

Claude
  • + Exceptional net profit margin of 31.4% and operating margin of 24.9%, demonstrating pricing power and operational efficiency
  • + Outstanding liquidity with 4.13x current ratio and 222.2x interest coverage, providing financial flexibility
  • + Strong free cash flow conversion at 28.4% FCF margin with $4.1B generated annually despite capital intensity
  • + Fortress balance sheet with only 0.06x debt/equity ratio and $3.1B cash position, minimal financial risk
  • + Healthy return on equity (14.4%) and ROA (11.1%) showing efficient capital deployment
ChatGPT
  • + High profitability with 24.9% operating margin and 31.4% net margin
  • + Excellent financial health, including 4.13x current ratio and just 0.06x debt-to-equity
  • + Strong cash generation with $4.08B in free cash flow and 28.4% FCF margin

REGN Stock Risks: Regeneron Pharmaceuticals, Inc.. Investment Risks

Claude
  • ! Anemic revenue growth of only 1.0% YoY indicates market saturation, patent expiration risks, or competitive pressures
  • ! Diluted EPS growth of 8.2% outpacing revenue growth suggests heavy reliance on share buybacks rather than organic growth
  • ! Operating leverage fully captured with limited operating income growth relative to net income growth
  • ! High insider activity (19 Form 4 filings in 90 days) warrants monitoring for potential concerns
ChatGPT
  • ! Revenue growth is currently modest at 1.0% YoY, which may limit operating leverage expansion
  • ! Pharmaceutical earnings can be vulnerable to product concentration, patent cliffs, and pipeline execution risk
  • ! Margins could face pressure from R&D intensity, competition, or reimbursement and regulatory changes

Key Metrics to Watch

Claude
  • * Revenue growth rate trending; need evidence of reversal from 1.0% YoY growth
  • * Product pipeline success and market adoption of new therapies to drive future organic growth
  • * Operating cash flow sustainability and capital allocation decisions (buybacks vs. R&D investment)
  • * Gross margin trends once disclosed, as margin compression could threaten profitability
  • * Debt levels and financial strategy, particularly use of balance sheet cash
ChatGPT
  • * Revenue growth rate and product concentration trends
  • * Operating margin and free cash flow consistency

Regeneron Pharmaceuticals, Inc.. (REGN) Financial Metrics & Key Ratios

Revenue
$14.3B
Net Income
$4.5B
EPS (Diluted)
$41.48
Free Cash Flow
$4.1B
Total Assets
$40.6B
Cash Position
$3.1B

💡 AI Analyst Insight

The 28.4% free cash flow margin provides substantial flexibility for dividends, buybacks, and strategic investments. Strong liquidity with a 4.13x current ratio provides a solid financial cushion.

REGN Profit Margin, ROE & Profitability Analysis

Gross Margin N/A
Operating Margin 24.9%
Net Margin 31.4%
ROE 14.4%
ROA 11.1%
FCF Margin 28.4%

REGN vs Healthcare Sector: How Regeneron Pharmaceuticals, Inc.. Compares

How Regeneron Pharmaceuticals, Inc.. compares to Healthcare sector averages

Net Margin
REGN 31.4%
vs
Sector Avg 12.0%
REGN Sector
ROE
REGN 14.4%
vs
Sector Avg 15.0%
REGN Sector
Current Ratio
REGN 4.1x
vs
Sector Avg 2.0x
REGN Sector
Debt/Equity
REGN 0.1x
vs
Sector Avg 0.6x
REGN Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Regeneron Pharmaceuticals, Inc.. Stock Overvalued? REGN Valuation Analysis 2026

Based on fundamental analysis, Regeneron Pharmaceuticals, Inc.. appears fundamentally strong relative to the Healthcare sector in 2026.

Return on Equity
14.4%
Sector avg: 15%
Net Profit Margin
31.4%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.06x
Sector avg: 0.6x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Regeneron Pharmaceuticals, Inc.. Balance Sheet: REGN Debt, Cash & Liquidity

Current Ratio
4.13x
Quick Ratio
3.39x
Debt/Equity
0.06x
Debt/Assets
22.9%
Interest Coverage
222.23x
Long-term Debt
$2.0B

REGN Revenue & Earnings Growth: 5-Year Financial Trend

REGN 5-year financial data: Year 2021: Revenue $16.1B, Net Income $2.1B, EPS $18.46. Year 2022: Revenue $16.1B, Net Income $3.5B, EPS $30.52. Year 2023: Revenue $16.1B, Net Income $8.1B, EPS $71.97. Year 2024: Revenue $14.2B, Net Income $4.3B, EPS $38.22. Year 2025: Revenue $14.3B, Net Income $4.0B, EPS $34.77.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Regeneron Pharmaceuticals, Inc..'s revenue has declined by 11% over the 5-year period, indicating business contraction. The most recent EPS of $34.77 reflects profitable operations.

REGN Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
28.4%
Free cash flow / Revenue

REGN Quarterly Earnings & Performance

Quarterly financial performance data for Regeneron Pharmaceuticals, Inc.. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $3.7B $722.0M $11.54
Q2 2025 $3.5B $722.0M $12.41
Q1 2025 $3.0B $722.0M $6.27
Q3 2024 $3.4B $722.0M $8.89
Q2 2024 $3.2B $722.0M $8.50
Q1 2024 $3.1B $722.0M $6.27
Q3 2023 $2.9B $817.8M $8.89
Q2 2023 $2.9B $817.8M $7.47

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Regeneron Pharmaceuticals, Inc.. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$5.0B
Cash generated from operations
Stock Buybacks
$3.4B
Shares repurchased (TTM)
Capital Expenditures
$898.4M
Investment in assets
Dividends Paid
$370.3M
Returned to shareholders

REGN SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Regeneron Pharmaceuticals, Inc.. (CIK: 0000872589)

📋 Recent SEC Filings

Date Form Document Action
Apr 8, 2026 8-K tm2611354d1_8k.htm View →
Apr 3, 2026 4 xslF345X06/tm2611142-1_4seq1.xml View →
Mar 3, 2026 4 xslF345X05/edgardoc.xml View →
Feb 23, 2026 4 xslF345X05/edgardoc.xml View →
Feb 11, 2026 4 xslF345X05/edgardoc.xml View →

Frequently Asked Questions about REGN

What is the AI rating for REGN?

Regeneron Pharmaceuticals, Inc.. (REGN) has a Combined AI Rating of BUY from Claude (BUY) and ChatGPT (BUY) with 80% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are REGN's key strengths?

Claude: Exceptional net profit margin of 31.4% and operating margin of 24.9%, demonstrating pricing power and operational efficiency. Outstanding liquidity with 4.13x current ratio and 222.2x interest coverage, providing financial flexibility. ChatGPT: High profitability with 24.9% operating margin and 31.4% net margin. Excellent financial health, including 4.13x current ratio and just 0.06x debt-to-equity.

What are the risks of investing in REGN?

Claude: Anemic revenue growth of only 1.0% YoY indicates market saturation, patent expiration risks, or competitive pressures. Diluted EPS growth of 8.2% outpacing revenue growth suggests heavy reliance on share buybacks rather than organic growth. ChatGPT: Revenue growth is currently modest at 1.0% YoY, which may limit operating leverage expansion. Pharmaceutical earnings can be vulnerable to product concentration, patent cliffs, and pipeline execution risk.

What is REGN's revenue and growth?

Regeneron Pharmaceuticals, Inc.. reported revenue of $14.3B.

Does REGN pay dividends?

Regeneron Pharmaceuticals, Inc.. pays dividends, with $370.3M distributed to shareholders in the trailing twelve months.

Where can I find REGN SEC filings?

Official SEC filings for Regeneron Pharmaceuticals, Inc.. (CIK: 0000872589) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is REGN's EPS?

Regeneron Pharmaceuticals, Inc.. has a diluted EPS of $41.48.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is REGN a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Regeneron Pharmaceuticals, Inc.. has a BUY rating with 80% confidence. The AI analysis suggests favorable fundamentals based on SEC filings. This is not investment advice.

Is REGN stock overvalued or undervalued?

Valuation metrics for REGN: ROE of 14.4% (sector avg: 15%), net margin of 31.4% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

Should I buy REGN stock in 2026?

Our dual AI analysis gives Regeneron Pharmaceuticals, Inc.. a combined BUY rating for 2026. Revenue is data pending, with profitability above sector average. Always conduct your own research.

What is REGN's free cash flow?

Regeneron Pharmaceuticals, Inc..'s operating cash flow is $5.0B, with capital expenditures of $898.4M. FCF margin is 28.4%.

How does REGN compare to other Healthcare stocks?

Vs Healthcare sector averages: Net margin 31.4% (avg: 12%), ROE 14.4% (avg: 15%), current ratio 4.13 (avg: 2).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Mar 19, 2026 | Data as of: 2025-12-31 | Powered by Claude AI