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Regeneron Pharmaceuticals, Inc. (REGN) Stock Analysis — Fair Value, Risk & Moat Rating

NMS · Healthcare · Biotechnology

$749.41 -1.16 (-0.1%) As of Apr 20, 2026
Overall Verdict Safe Zone
8.00
Altman Z-ScoreSafe Zone
$1,105.45
Fair ValueUndervalued +32.2%
3.1
Moat RatingNarrow moat
TL;DR · Audit Summary

Is Regeneron Pharmaceuticals, Inc. a safe investment right now?

Regeneron Pharmaceuticals, Inc.'s Altman Z-Score of 8.0 places it in the safe zone. Our DCF model estimates intrinsic value at $1105.45, suggesting the stock may be undervalued by 32%. Moat rating: 3.1/5 stars.

Section 01 · Financial Health

Could Regeneron Pharmaceuticals, Inc. go bankrupt? Altman Z-Score analysis

8.00

Z-Score of 8.0 is above 3.0, indicating the company is financially healthy by this metric.

  • Below 1.8 — Distress Zone (high bankruptcy risk)
  • 1.8 to 3.0 — Gray Zone (elevated uncertainty)
  • Above 3.0 — Safe Zone (financially healthy)

What drives REGN's Z-Score?

Altman Z-Score components for REGN
ComponentFormulaValueWeightContribution
A · Working Capital / Total AssetsWC / TA0.38971.20.47
B · Retained Earnings / Total AssetsRE / TA0.83881.41.17
C · EBIT / Total AssetsEBIT / TA0.10723.30.35
D · Market Cap / Total LiabilitiesMCap / TL9.42530.65.66
E · Revenue / Total AssetsRev / TA0.34741.00.35

How has REGN's financial health changed over time?

3.0 Safe1.8 Distress0.07.314.622.029.32016201720182019202020212022202320242025
REGN Z-Score history
YearZ-ScoreZone
201625.47Safe
201720.11Safe
201820.11Safe
201918.19Safe
202014.86Safe
20219.94Safe
20229.45Safe
202310.46Safe
20249.27Safe
20258.0Safe

Source: Calculated from REGN's latest 10-K filing on SEC EDGAR.

Section 02 · Fair Value (FVL Valuation System)

What is Regeneron Pharmaceuticals, Inc. actually worth?

Blended Fair Value · FVL Estimate$1,105.45
vs
Market Price · today$749.41

Fair value range: $744.13 — $1,555.62

Margin of Safety 32.2% Stock appears undervalued by 32.2% — positive margin of safety. Fair value range $744-$1556.

Valuation Methods

FVL multi-factor valuation breakdown
MethodFair ValueWeightDetail
Historical PE × Forward EPS$979.8850%18.7x avg PE (4 years) × $52.40 forward EPS
DCF (Discounted Cash Flow)$1,555.6230%Two-stage DCF: $3.3B TTM FCF, 13.6% growth, 7.0% WACC
EV/FCF Multiple$744.1320%TTM FCF × 22x multiple + net cash

Assumptions & Data Sources

Valuation model inputs
ParameterValueSource
FCF Growth Rate (Stage 1)13.6%70% analyst consensus + 30% historical
Analyst EPS Growth (This Year)1.4%Consensus (28 analysts)
Analyst EPS Growth (Next Year)22.1%Consensus
Historical 5Y FCF CAGR18.0%SEC EDGAR
Terminal Growth Rate2.5%Long-term GDP proxy
Discount Rate (WACC)7.0%CAPM (Rf=4.3% + 0.5*5.5%)
Net Cash / (Debt)$5,633MBalance sheet
Base FCF (TTM)$3.3BTrailing 12 months
Shares Outstanding103,902,660Latest

Sensitivity Analysis

DCF intrinsic value at different growth & WACC assumptions
Growth Rate8% WACC10% WACC7.0% WACC13% WACC
0%$504.83$373.06$614.44$269.18
2.5%$584.43$428.59$714.31$306.13
5.0%$675.77$492.04$829.13$348.12
7.5%$800.38$577.19$987.11$403.19

Free Cash Flow History

REGN Free Cash Flow history
YearFCFGrowth
2016$0.4B
2017$0.7B+55.7%
2018$1.0B+49.2%
2019$1.0B+6.2%
2020$1.8B+75.2%
2021$2.0B+10.4%
2022$2.0B+0.2%
2023$6.5B+225.9%
2024$4.4B+-32.2%
2025$3.9B+-12.4%

Source: FCF data from SEC EDGAR filings. Price via Yahoo Finance.

Section 03 · Competitive Moat

Does Regeneron Pharmaceuticals, Inc. have a durable competitive advantage?

★★★☆☆
Narrow moat

Moat rating: 3.1/5.

What makes up REGN's moat score?

ROIC Stability

★★★★☆

ROIC variability over the past decade. Score: 4/5.

Gross Margin Trend

★★★☆☆

Gross margin trajectory over the past decade. Score: 3/5.

Switching Costs

★★☆☆☆

Estimated customer lock-in based on margin level. Score: 2/5.

How stable is REGN's return on invested capital?

0%-5%6%17%28%39%2016201720182019202020212022202320242025
REGN ROIC history
YearROICTrend
201617.2%
201721.8%Rising
201817.4%Declining
201920.2%Rising
202019.9%Stable
202115.3%Declining
202216.6%Rising
202334.3%Rising
202416.0%Declining
202512.0%Declining

Source: ROIC calculated from SEC EDGAR filings.

Section 04 · Dividend Safety

Is Regeneron Pharmaceuticals, Inc.'s dividend safe?

C Dividend Safety Grade
Yield50.0%
Payout Ratio8.5%
Consecutive Years2
5Y Growth Rate0.0%

Can Regeneron Pharmaceuticals, Inc. afford its dividend?

Payout ratio is 8.5%. FCF covers the dividend 0.0x. 2 consecutive years of payments.

Section 05 · Financial Summary

Regeneron Pharmaceuticals, Inc.'s key financial metrics

REGN financial summary
MetricLatest1Y Ago3Y AgoTrend
Revenue $13.1B $12.2B $8.5B Rising
Net Income $4.0B $4.3B $3.5B Rising
Free Cash Flow $3.9B $4.4B $2.0B Rising
Section 06 · FAQ

Common questions about Regeneron Pharmaceuticals, Inc.

Is Regeneron Pharmaceuticals, Inc. at risk of going bankrupt?

Regeneron Pharmaceuticals, Inc.'s Altman Z-Score of 8.0 places it in the safe zone. This metric uses balance sheet ratios to predict bankruptcy probability within 2 years. A score below 1.8 signals distress, while above 3.0 indicates safety.

What is Regeneron Pharmaceuticals, Inc.'s intrinsic value based on DCF?

Our DCF model estimates Regeneron Pharmaceuticals, Inc.'s intrinsic value at $1105.45 per share. The current margin of safety is 32.2%. This estimate is based on historical free cash flow trends and a risk-adjusted discount rate.

Does Regeneron Pharmaceuticals, Inc. have a competitive moat?

Regeneron Pharmaceuticals, Inc. receives a moat rating of 3.1 out of 5 stars, based on ROIC stability, gross margin trends, and estimated switching costs. A rating above 3.5 suggests a durable competitive advantage.

Is Regeneron Pharmaceuticals, Inc.'s dividend safe?

Our dividend safety analysis examines payout ratio, free cash flow coverage, and the company's streak of consecutive dividend payments to determine whether the current payout is sustainable.

REGN · Value Investing Quiz

Before you invest in Regeneron Pharmaceuticals, Inc., make sure you truly understand it.

A deep understanding of a company's fundamentals, risk profile, and competitive position dramatically increases your investment accuracy and odds of success.

Pass the quiz to earn the REGN Certified Value Investor badge.

FairValueLabs Disclaimer

All valuations, scores, ratings, and classifications on this page are produced by the FairValueLabs internal valuation system. They do not represent actual market value, guaranteed outcomes, or professional investment advice. These are analytical estimates for educational and research purposes only.

This is not financial advice. All data is sourced from SEC EDGAR public filings. Always consult a qualified financial advisor before making investment decisions.

Last updated: Apr 20, 2026. Data sources: SEC EDGAR (financial statements), Yahoo Finance (market data, analyst consensus). Data may not reflect the most recent quarter.

REGN analysis methodology: How we calculate fair value, Z-Scores, and moat ratings