Tearsheet

Regeneron Pharmaceuticals (REGN)


Market Price (4/16/2026): $753.78 | Market Cap: $77.7 Bil
Sector: Health Care | Industry: Biotechnology

Regeneron Pharmaceuticals (REGN)


Market Price (4/16/2026): $753.78
Market Cap: $77.7 Bil
Sector: Health Care
Industry: Biotechnology

Investment Highlights Why It Matters Detailed financial logic regarding cash flow yields vs trend-riding momentum.

0

Attractive yield
Total YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 6.3%

Attractive operating margins
Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is 26%

Attractive cash flow generation
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 35%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is 26%, CFO LTM is 5.0 Bil, FCF LTM is 3.8 Bil

Stock buyback support
Stock Buyback 3Y Total is 11 Bil

Low stock price volatility
Vol 12M is 39%

Megatrend and thematic drivers
Megatrends include Biotechnology & Genomics, Precision Medicine, and Aging Population & Chronic Disease. Themes include Gene Editing & Therapy, Show more.

Weak multi-year price returns
2Y Excs Rtn is -55%, 3Y Excs Rtn is -79%

Key risks
REGN key risks include [1] the erosion of flagship Eylea revenue from imminent biosimilar competition following patent expirations, Show more.

0 Attractive yield
Total YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 6.3%
1 Attractive operating margins
Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is 26%
2 Attractive cash flow generation
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 35%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is 26%, CFO LTM is 5.0 Bil, FCF LTM is 3.8 Bil
3 Stock buyback support
Stock Buyback 3Y Total is 11 Bil
4 Low stock price volatility
Vol 12M is 39%
5 Megatrend and thematic drivers
Megatrends include Biotechnology & Genomics, Precision Medicine, and Aging Population & Chronic Disease. Themes include Gene Editing & Therapy, Show more.
6 Weak multi-year price returns
2Y Excs Rtn is -55%, 3Y Excs Rtn is -79%
7 Key risks
REGN key risks include [1] the erosion of flagship Eylea revenue from imminent biosimilar competition following patent expirations, Show more.

Valuation, Metrics & Events

Price Chart

Why The Stock Moved

Qualitative Assessment

AI Analysis | Feedback

Regeneron Pharmaceuticals (REGN) stock has remained largely at the same level since 12/31/2025 because of the following key factors:

1. Declining Eylea Franchise Sales Amidst Biosimilar Competition and Pricing Pressure.

U.S. net sales for the combined Eylea and Eylea HD decreased 28% year-over-year in the fourth quarter of 2025 to $1.08 billion. This decline was primarily driven by lower sales volumes due to competitive pressures from biosimilars and compounded bevacizumab, as well as a lower net selling price. This negative trend is expected to continue into the first quarter of 2026, with the growth of Eylea HD being largely offset by a double-digit decline in sales of the original Eylea. Analyst firms, such as Truist, lowered price targets in late March 2026 due to concerns regarding the Eylea franchise and the evolving biosimilar landscape, suggesting the market may be underappreciating its impact.

2. Robust Growth and Expansion of Dupixent.

Dupixent continues to serve as a significant growth driver for Regeneron. Global net sales of Dupixent, recorded by Sanofi, surged 32% in the fourth quarter of 2025 and increased 19% to $3.67 billion in the first quarter of 2025 compared to the first quarter of 2024. This strong performance is fueled by continued demand and label expansions, including its approval in Japan on March 24, 2026, as the first targeted medicine to treat adults with Bullous Pemphigoid. Analysts project Dupixent sales to reach $20.7 billion in 2026.

Show more
Holding a concentrated position? Know your true downside before the momentum shifts.
Protect Your Wealth →

Stock Movement Drivers

Fundamental Drivers

The -2.2% change in REGN stock from 12/31/2025 to 4/15/2026 was primarily driven by a -2.2% change in the company's Net Income Margin (%).
(LTM values as of)123120254152026Change
Stock Price ($)770.94753.93-2.2%
Change Contribution By: 
Total Revenues ($ Mil)14,24814,3430.7%
Net Income Margin (%)32.1%31.4%-2.2%
P/E Multiple17.417.3-1.1%
Shares Outstanding (Mil)1041030.5%
Cumulative Contribution-2.2%

LTM = Last Twelve Months as of date shown

Market Drivers

12/31/2025 to 4/15/2026
ReturnCorrelation
REGN-2.2% 
Market (SPY)-5.4%31.7%
Sector (XLV)-4.5%70.5%

Fundamental Drivers

The 34.4% change in REGN stock from 9/30/2025 to 4/15/2026 was primarily driven by a 30.5% change in the company's P/E Multiple.
(LTM values as of)93020254152026Change
Stock Price ($)560.89753.9334.4%
Change Contribution By: 
Total Revenues ($ Mil)14,21414,3430.9%
Net Income Margin (%)31.4%31.4%0.1%
P/E Multiple13.217.330.5%
Shares Outstanding (Mil)1051031.9%
Cumulative Contribution34.4%

LTM = Last Twelve Months as of date shown

Market Drivers

9/30/2025 to 4/15/2026
ReturnCorrelation
REGN34.4% 
Market (SPY)-2.9%16.4%
Sector (XLV)6.6%55.4%

Fundamental Drivers

The 19.5% change in REGN stock from 3/31/2025 to 4/15/2026 was primarily driven by a 12.2% change in the company's P/E Multiple.
(LTM values as of)33120254152026Change
Stock Price ($)630.78753.9319.5%
Change Contribution By: 
Total Revenues ($ Mil)14,20214,3431.0%
Net Income Margin (%)31.1%31.4%1.1%
P/E Multiple15.417.312.2%
Shares Outstanding (Mil)1081034.4%
Cumulative Contribution19.5%

LTM = Last Twelve Months as of date shown

Market Drivers

3/31/2025 to 4/15/2026
ReturnCorrelation
REGN19.5% 
Market (SPY)16.3%31.6%
Sector (XLV)2.6%52.8%

Fundamental Drivers

The -7.6% change in REGN stock from 3/31/2023 to 4/15/2026 was primarily driven by a -14.1% change in the company's P/E Multiple.
(LTM values as of)33120234152026Change
Stock Price ($)816.16753.93-7.6%
Change Contribution By: 
Total Revenues ($ Mil)12,17314,34317.8%
Net Income Margin (%)35.6%31.4%-11.9%
P/E Multiple20.117.3-14.1%
Shares Outstanding (Mil)1071033.6%
Cumulative Contribution-7.6%

LTM = Last Twelve Months as of date shown

Market Drivers

3/31/2023 to 4/15/2026
ReturnCorrelation
REGN-7.6% 
Market (SPY)63.3%30.4%
Sector (XLV)19.5%50.8%

Return vs. Risk

Price Returns Compared

 202120222023202420252026Total [1]
Returns
REGN Return31%14%22%-19%9%-2%57%
Peers Return21%20%-11%4%15%7%67%
S&P 500 Return27%-19%24%23%16%2%85%

Monthly Win Rates [3]
REGN Win Rate67%50%58%50%50%25% 
Peers Win Rate53%62%38%50%53%50% 
S&P 500 Win Rate75%42%67%75%67%50% 

Max Drawdowns [4]
REGN Max Drawdown-8%-13%-6%-20%-32%-5% 
Peers Max Drawdown-9%-7%-24%-10%-14%-2% 
S&P 500 Max Drawdown-1%-25%-1%-2%-15%-7% 


[1] Cumulative total returns since the beginning of 2021
[2] Peers: AMGN, MRK, BMY, ABBV, PFE. See REGN Returns vs. Peers.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2026 data is for the year up to 4/15/2026 (YTD)

How Low Can It Go

Unique KeyEventREGNS&P 500
2022 Inflation Shock2022 Inflation Shock  
2022 Inflation Shock% Loss% Loss-25.8%-25.4%
2022 Inflation Shock% Gain to Breakeven% Gain to Breakeven34.7%34.1%
2022 Inflation ShockTime to BreakevenTime to Breakeven112 days464 days
2020 Covid Pandemic2020 Covid Pandemic  
2020 Covid Pandemic% Loss% Loss-27.3%-33.9%
2020 Covid Pandemic% Gain to Breakeven% Gain to Breakeven37.6%51.3%
2020 Covid PandemicTime to BreakevenTime to Breakeven233 days148 days
2018 Correction2018 Correction  
2018 Correction% Loss% Loss-48.1%-19.8%
2018 Correction% Gain to Breakeven% Gain to Breakeven92.5%24.7%
2018 CorrectionTime to BreakevenTime to Breakeven202 days120 days
2008 Global Financial Crisis2008 Global Financial Crisis  
2008 Global Financial Crisis% Loss% Loss-57.9%-56.8%
2008 Global Financial Crisis% Gain to Breakeven% Gain to Breakeven137.3%131.3%
2008 Global Financial CrisisTime to BreakevenTime to Breakeven329 days1,480 days

Compare to AMGN, MRK, BMY, ABBV, PFE

In The Past

Regeneron Pharmaceuticals's stock fell -25.8% during the 2022 Inflation Shock from a high on 4/8/2022. A -25.8% loss requires a 34.7% gain to breakeven.

Preserve Wealth

Limiting losses and compounding gains is essential to preserving wealth.

Asset Allocation

Actively managed asset allocation strategies protect wealth. Learn more.

About Regeneron Pharmaceuticals (REGN)

Regeneron Pharmaceuticals, Inc. discovers, invents, develops, manufactures, and commercializes medicines for treating various diseases worldwide. The company's products include EYLEA injection to treat wet age-related macular degeneration and diabetic macular edema; myopic choroidal neovascularization; and diabetic retinopathy, as well as macular edema following retinal vein occlusion, including macular edema following central retinal vein occlusion and macular edema following branch retinal vein occlusion. It also provides Dupixent injection to treat atopic dermatitis and asthma in adults and pediatrics; Libtayo injection to treat metastatic or locally advanced cutaneous squamous cell carcinoma;Praluent injection for heterozygous familial hypercholesterolemia or clinical atherosclerotic cardiovascular disease in adults; REGEN-COV for covid-19; and Kevzara solution for treating rheumatoid arthritis in adults. In addition, the company offers Inmazeb injection for infection caused by Zaire ebolavirus; ARCALYST injection for cryopyrin-associated periodic syndromes, including familial cold auto-inflammatory syndrome and muckle-wells syndrome; and ZALTRAP injection for intravenous infusion to treat metastatic colorectal cancer; and develops product candidates for treating patients with eye, allergic and inflammatory, cardiovascular and metabolic, infectious, and rare diseases; and cancer, pain, and hematologic conditions. It has collaboration and license agreements with Sanofi; Bayer; Teva Pharmaceutical Industries Ltd.; Mitsubishi Tanabe Pharma Corporation; Alnylam Pharmaceuticals, Inc.; Roche Pharmaceuticals; and Kiniksa Pharmaceuticals, Ltd., as well as has an agreement with the U.S. Department of Health and Human Services, as well as with Zai Lab Limited; Intellia Therapeutics, Inc.; Biomedical Advanced Research Development Authority; and AstraZeneca PLC. The company was incorporated in 1988 and is headquartered in Tarrytown, New York.

AI Analysis | Feedback

Think of them as a major pharmaceutical company like **Merck** or **Novartis**, but with a particularly strong track record for discovering and developing innovative blockbuster drugs in areas like eye disease and immunology.

They are like a leading biotech innovator such as **Amgen**, but with a more diverse portfolio of widely-used treatments, including drugs for conditions like macular degeneration, asthma, and certain cancers.

AI Analysis | Feedback

  • EYLEA injection: A treatment for various eye conditions including wet age-related macular degeneration, diabetic macular edema, and diabetic retinopathy.
  • Dupixent injection: Used to treat atopic dermatitis and asthma in both adults and pediatric patients.
  • Libtayo injection: Prescribed for metastatic or locally advanced cutaneous squamous cell carcinoma.
  • Praluent injection: An adult treatment for heterozygous familial hypercholesterolemia or clinical atherosclerotic cardiovascular disease.
  • REGEN-COV: Developed for the treatment of COVID-19.
  • Kevzara solution: A treatment for rheumatoid arthritis in adults.
  • Inmazeb injection: Used for infections caused by the Zaire ebolavirus.
  • ARCALYST injection: Administered for cryopyrin-associated periodic syndromes.
  • ZALTRAP injection: An intravenous infusion to treat metastatic colorectal cancer.

AI Analysis | Feedback

Regeneron Pharmaceuticals (REGN) sells its products primarily to other companies and governmental entities within the healthcare supply chain, rather than directly to individual consumers.

The major customers for Regeneron's pharmaceutical products are typically large pharmaceutical wholesalers and distributors who then supply pharmacies, hospitals, and other healthcare providers. Additionally, government agencies can be significant direct purchasers for certain products, as indicated by the company's agreement with the U.S. Department of Health and Human Services for REGEN-COV.

The major customer companies (pharmaceutical wholesalers) include:

  • McKesson Corporation (MCK)
  • AmerisourceBergen Corporation (ABC)
  • Cardinal Health, Inc. (CAH)

In addition to these wholesalers, the U.S. Department of Health and Human Services is identified as a direct customer for specific products like REGEN-COV.

AI Analysis | Feedback

null

AI Analysis | Feedback

Leonard S. Schleifer, MD, PhD
Co-Chairman of the Board, President and Chief Executive Officer

Dr. Leonard S. Schleifer co-founded Regeneron Pharmaceuticals in 1988 with the vision of building a science-driven company focused on helping patients. He has served as President and Chief Executive Officer since the company's inception and became Co-Chairman of the Board in June 2023. Prior to founding Regeneron, Dr. Schleifer earned his M.D. and Ph.D. in pharmacology from the University of Virginia, and was a practicing neurologist and professor at Cornell Medical School. He was motivated to start the company due to the lack of effective treatments for serious neurodegenerative diseases.

Christopher Fenimore
Executive Vice President, Finance and Chief Financial Officer

Christopher Fenimore was appointed Executive Vice President, Finance and Chief Financial Officer of Regeneron in January 2025, having initially become CFO in February 2024. He joined Regeneron in 2003 and has held various finance leadership roles within the company, including Senior Vice President, Controller; Vice President, Controller; and Vice President, Financial Planning and Analysis. Before joining Regeneron, Mr. Fenimore served as Vice President of Finance for a biotechnology start-up and held roles in healthcare industry-focused venture capital and investment banking. He began his career as an auditor at KPMG and is a Certified Public Accountant in New York.

George D. Yancopoulos, MD, PhD
Co-Chairman of the Board, President and Chief Scientific Officer

Dr. George D. Yancopoulos is the co-founder, Co-Chairman of the Board, President, and Chief Scientific Officer of Regeneron, which he joined in 1989. He is recognized as a highly successful scientist and drug discoverer, and is a principal inventor and developer of Regeneron's foundational technologies and numerous FDA-approved treatments. Dr. Yancopoulos graduated as valedictorian of the Bronx High School of Science and Columbia College, and earned his M.D. and Ph.D. in Biochemistry and Molecular Biophysics from Columbia University. He left an academic career to co-found Regeneron alongside Dr. Leonard Schleifer.

Joseph J. LaRosa
Executive Vice President, General Counsel and Secretary

Joseph J. LaRosa joined Regeneron in 2011 and currently serves as Executive Vice President, General Counsel and Secretary. Prior to Regeneron, Mr. LaRosa was Senior Vice President, General Counsel and Secretary at Nycomed U.S., Inc. His previous experience also includes serving as Vice President, Global Compliance and Legal Affairs at Avon Products, Inc., and holding several senior legal positions at Schering-Plough Corporation, where he was a corporate officer and Vice President, Legal Affairs. Mr. LaRosa received his J.D. degree from New York University School of Law.

Daniel Van Plew
Executive Vice President & General Manager, Industrial Operations and Product Supply

Daniel Van Plew joined Regeneron in 2007 and has served as Executive Vice President and General Manager, Industrial Operations and Product Supply since January 2016. Before joining Regeneron, he was Executive Vice President, R&D and Technical Operations for Crucell Holland B.V., a global biopharmaceutical company, from 2006 to 2007. He also held positions of increasing responsibility at Chiron Biopharmaceuticals, including Senior Director, Vacaville Operations, and worked in various managerial roles in the health and life sciences practice at Accenture. Mr. Van Plew holds an M.S. in Chemistry from Pennsylvania State University and an M.B.A. from Michigan State University.

AI Analysis | Feedback

Regeneron Pharmaceuticals (REGN) faces several key risks to its business, primarily centered around its blockbuster products and the highly competitive pharmaceutical landscape.

  1. Erosion of Eylea Revenue due to Patent Expiration and Biosimilar Competition: Regeneron's flagship eye drug, Eylea, is experiencing significant revenue erosion due to the expiration of key patents and the subsequent entry of biosimilar competitors, such as Amgen's Pavblu and Samsung Bioepis' Opuviz. This patent cliff, combined with competition from innovative rival drugs like Roche's Vabysmo, has already led to a decline in Eylea's U.S. net sales. While Regeneron has launched Eylea HD to mitigate these effects, its success is crucial in offsetting the decline, and the company has already faced regulatory setbacks, including an FDA rejection for a prefilled syringe version of Eylea HD due to a manufacturing issue.
  2. Heavy Reliance on Key Blockbuster Products and the Imperative for Successful Pipeline Development: Regeneron is significantly dependent on the commercial success of a limited number of key products, primarily Eylea and Dupixent, for a substantial portion of its revenue. While Dupixent's patent exclusivity is anticipated to last until 2030/2031, the challenges faced by Eylea underscore the vulnerability of relying heavily on a few top-selling drugs. Therefore, the successful development and commercialization of new product candidates from its clinical pipeline are critically important to offset revenue declines from mature products and drive future growth. Failures in clinical trials, such as the recent Phase III setback for itepekimab, a Dupixent follow-up drug, pose a significant risk to the company's growth prospects.
  3. Intensified Market Competition and Regulatory/Manufacturing Hurdles: The biopharmaceutical industry is characterized by intense competition from both established pharmaceutical companies and emerging biotech firms across all therapeutic areas. Products like Dupixent, while currently successful, are facing increasing competitive pressures from new rivals entering the market or in advanced stages of development. Furthermore, Regeneron operates in a heavily regulated environment, and challenges in navigating complex regulatory approval processes, including unexpected actions or delays from authorities like the FDA, can significantly impact the availability and commercial potential of its products. Manufacturing and supply chain disruptions or quality control issues also represent ongoing operational risks that can delay product launches and affect financial results.

AI Analysis | Feedback

null

AI Analysis | Feedback

Regeneron Pharmaceuticals (REGN) operates in various therapeutic areas with several key products. The addressable markets for its main products are significant across different regions, primarily globally.

EYLEA (Aflibercept)

EYLEA targets multiple ophthalmic conditions, each representing a substantial market:

  • Wet Age-Related Macular Degeneration (wAMD): The global market size for wet age-related macular degeneration was estimated at USD 10.1 billion in 2024 and is projected to reach USD 20 billion by 2034. In the 7 major markets (US, EU4, UK, and Japan), the wet AMD market reached USD 9,528.8 million in 2024 and is expected to grow to USD 18,317.5 million by 2035.
  • Diabetic Macular Edema (DME): The global diabetic macular edema market size was valued at USD 3.33 billion in 2024 and is projected to reach USD 4.34 billion by 2032. Another estimate indicates the global DME market is expected to grow from USD 5.50 billion in 2024 to USD 8.64 billion by 2035.
  • Diabetic Retinopathy (DR): The global diabetic retinopathy market size was estimated at USD 9.48 billion in 2024 and is expected to grow to USD 13.77 billion by 2030. Other projections place the global diabetic retinopathy market at USD 10.23 billion in 2025, reaching USD 18.93 billion by 2035.
  • Macular Edema following Retinal Vein Occlusion (RVO): The global retinal vein occlusion market size was calculated at USD 2.82 billion in 2024 and is predicted to reach approximately USD 5.45 billion by 2034.

Dupixent (Dupilumab)

Dupixent is a significant product for allergic and inflammatory conditions:

  • Overall Dupixent Market: The global Dupixent market size was estimated at USD 14.15 billion in 2024 and is projected to reach USD 27.58 billion by 2033.
  • Atopic Dermatitis: The global atopic dermatitis drugs market size was estimated at USD 17.64 billion in 2024 and is projected to reach USD 29.88 billion by 2030. Other analyses suggest the global atopic dermatitis drug market size, calculated at USD 15.92 billion in 2025, is predicted to increase to approximately USD 33.42 billion by 2035.

Libtayo (Cemiplimab)

Libtayo addresses certain cancers:

  • Cutaneous Squamous Cell Carcinoma (CSCC) Treatment: The global cutaneous squamous cell carcinoma treatment market size is estimated at USD 13.69 billion in 2024 and is projected to reach approximately USD 27.54 billion by 2034.

Praluent (Alirocumab)

Praluent targets cholesterol management:

  • Heterozygous Familial Hypercholesterolemia (HeFH) Management: The global heterozygous familial hypercholesterolemia management market size is expected to grow from USD 12.04 billion in 2025 to USD 20.12 billion by 2030.

Kevzara (Sarilumab)

Kevzara is used for autoimmune diseases:

  • Rheumatoid Arthritis (RA) Therapeutics: The global rheumatoid arthritis therapeutics market size was estimated at USD 25.76 billion in 2024 and is projected to reach USD 41.42 billion by 2033. Another report valued the global market for rheumatoid arthritis therapies at USD 28.5 billion in 2024, estimated to increase to USD 41.1 billion by 2030.

AI Analysis | Feedback

Here are 3-5 expected drivers of future revenue growth for Regeneron Pharmaceuticals (REGN) over the next 2-3 years: * **Continued Expansion of Dupixent (dupilumab)**: Dupixent remains a significant growth engine for Regeneron, driven by its broad adoption across existing approved indications such as atopic dermatitis and asthma. Future growth is expected from further label expansions into new disease areas like chronic spontaneous urticaria (CSU), pediatric asthma, eosinophilic esophagitis, chronic obstructive pulmonary disease (COPD), and allergic fungal rhinosinusitis. The drug's patent exclusivity is projected to last until 2030/2031, providing a solid runway for continued revenue generation. Regeneron's share of profits from the commercialization of Dupixent is also increasing. * **Increased Adoption and New Indications for EYLEA HD (aflibercept high-dose)**: While the original EYLEA faces competitive pressure from biosimilars, EYLEA HD is positioned as a key revenue driver. Recent FDA approvals for macular edema following retinal vein occlusion (RVO) and a flexible monthly dosing option across all approved indications are expected to boost its market share. The anticipated approval of a pre-filled syringe formulation for EYLEA HD in the second quarter of 2026 is also expected to enhance convenience and contribute to its growth. * **Advancement and Commercialization of Late-Stage Pipeline Products**: Regeneron boasts a robust and diversified late-stage pipeline with approximately 45 product candidates across various therapeutic areas, including hematology, immunology, oncology, rare genetic disorders, and weight management. Several upcoming regulatory decisions and potential new product launches in 2026 are anticipated to fuel revenue growth. Key examples include the FDA's target action date in August 2026 for garetosmab for fibrodysplasia ossificans progressiva (FOP), expected data for fianlimab/Libtayo LAG-3 in melanoma in the first half of 2026, and an NDA submission for cemdisiran in generalized myasthenia gravis in the first quarter of 2026. Additionally, promising results from the GLP-1 diabetes and weight loss drug olatorepatide suggest significant future revenue potential upon approval. * **Growth of Libtayo (cemiplimab) in Oncology**: Libtayo continues to be a growth contributor for Regeneron, particularly within the oncology segment. It has achieved increased sales and secured new approvals, such as for adjuvant cutaneous squamous cell carcinoma (CSCC), and is recognized as a leading immunotherapy for non-melanoma skin cancers. While its most significant revenue impact is projected beyond 2026, its ongoing performance and label expansions contribute to the company's near-term growth.

AI Analysis | Feedback

Share Repurchases

  • Regeneron Pharmaceuticals authorized a $3 billion share repurchase program in November 2021, with an additional $1.8 million remaining from a previous $1.5 billion program.
  • The company repurchased $2.235 billion in 2023, $2.603 billion in 2024, and $3.439 billion in 2025.
  • As of February 2026, approximately $1.486 billion remained available for future share repurchases under authorized programs.

Outbound Investments

  • Regeneron made a Series C investment in Truveta on January 13, 2025.
  • The company invested in Enlaza (Series A, April 30, 2024) and Vyriad (Series B, May 17, 2022).
  • In Q2 2025, Regeneron in-licensed rights to a late-stage dual GLP-1/GIP receptor agonist, and in Q3 2025, made an $80 million upfront payment for a license agreement with Hansoh Pharmaceuticals Group Company Limited.

Capital Expenditures

  • Capital expenditures were $718.6 million in 2023, $755.9 million in 2024, and $898.4 million in 2025.
  • Regeneron plans to invest approximately $1.1 billion to $1.3 billion in 2026 for facility expansions.
  • The company has committed to over $7 billion in U.S. investments, including expansions in Tarrytown and Rensselaer, NY, and a new agreement to double U.S. large-scale manufacturing capacity, and an additional $2 billion for a new bulk manufacturing facility in Saratoga Springs, NY. These investments aim to significantly expand manufacturing capacity and support ongoing manufacturing operations.

Better Bets vs. Regeneron Pharmaceuticals (REGN)

Latest Trefis Analyses

Trade Ideas

Select ideas related to REGN.

Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
PGNY_3312026_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG03312026PGNYProgynyDip BuyDB | FCF Yield | Low D/EDip Buy with High Free Cash Flow Yield
Buying dips for companies with significant free cash flow yield (FCF / Market Cap) and reasonable debt / market cap
0.0%0.0%0.0%
CNC_3272026_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG03272026CNCCenteneDip BuyDB | FCF Yield | Low D/EDip Buy with High Free Cash Flow Yield
Buying dips for companies with significant free cash flow yield (FCF / Market Cap) and reasonable debt / market cap
2.3%2.3%-0.6%
OSCR_3272026_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG03272026OSCROscar HealthDip BuyDB | FCF Yield | Low D/EDip Buy with High Free Cash Flow Yield
Buying dips for companies with significant free cash flow yield (FCF / Market Cap) and reasonable debt / market cap
3.0%3.0%-2.6%
WAT_3202026_Monopoly_xInd_xCD_Getting_Cheaper03202026WATWatersMonopolyMY | Getting CheaperMonopoly-Like with P/S Decline
Large cap with monopoly-like margins or cash flow generation and getting cheaper based on P/S multiple
-0.4%-0.4%-3.3%
GILD_3202026_Quality_Momentum_RoomToRun_10%03202026GILDGilead SciencesQualityQ | Momentum | UpsideQuality Stocks with Momentum and Upside
Buying quality stocks with strong momentum but still having room to run
1.6%1.6%-2.2%
REGN_10032025_Dip_Buyer_ValueBuy10032025REGNRegeneron PharmaceuticalsDip BuyDB | P/E OPMDip Buy with Low PE and High Margin
Buying dips for companies with tame PE and meaningfully high operating margin
29.1%29.1%-7.0%
REGN_3312025_Dip_Buyer_FCFYield03312025REGNRegeneron PharmaceuticalsDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
-11.3%22.5%-23.7%
REGN_5312019_Dip_Buyer_FCFYield05312019REGNRegeneron PharmaceuticalsDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
22.3%103.1%-9.4%

Recent Active Movers

Peer Comparisons

Peers to compare with:

Financials

REGNAMGNMRKBMYABBVPFEMedian
NameRegenero.Amgen Merck Bristol-.AbbVie Pfizer  
Mkt Price753.93348.22117.9057.89208.4227.19163.16
Mkt Cap77.7187.3292.5117.7368.7154.6171.0
Rev LTM14,34336,75165,01148,19561,16062,57954,678
Op Inc LTM3,7029,08022,10813,72320,09117,40615,564
FCF LTM3,7658,10012,36012,84517,8169,07510,718
FCF 3Y Avg3,6578,61813,20013,14619,2377,90110,882
CFO LTM4,9799,95816,47214,15619,03011,70412,930
CFO 3Y Avg4,6649,97316,98214,40220,22511,04912,726

Growth & Margins

REGNAMGNMRKBMYABBVPFEMedian
NameRegenero.Amgen Merck Bristol-.AbbVie Pfizer  
Rev Chg LTM1.0%10.0%1.3%-0.2%8.6%-1.6%1.2%
Rev Chg 3Y Avg5.7%11.9%3.2%1.5%1.9%-12.0%2.6%
Rev Chg Q2.5%8.6%5.0%1.3%10.0%-1.2%3.7%
QoQ Delta Rev Chg LTM0.7%2.2%1.2%0.3%2.5%-0.3%0.9%
Op Mgn LTM25.8%24.7%34.0%28.5%32.8%27.8%28.1%
Op Mgn 3Y Avg29.0%24.8%23.5%19.6%26.3%19.6%24.1%
QoQ Delta Op Mgn LTM-0.9%0.6%-0.9%4.7%8.8%0.9%0.7%
CFO/Rev LTM34.7%27.1%25.3%29.4%31.1%18.7%28.2%
CFO/Rev 3Y Avg33.6%30.5%26.8%30.5%35.5%17.8%30.5%
FCF/Rev LTM26.3%22.0%19.0%26.7%29.1%14.5%24.1%
FCF/Rev 3Y Avg26.4%26.4%20.8%27.9%33.8%12.7%26.4%

Valuation

REGNAMGNMRKBMYABBVPFEMedian
NameRegenero.Amgen Merck Bristol-.AbbVie Pfizer  
Mkt Cap77.7187.3292.5117.7368.7154.6171.0
P/S5.45.14.52.46.02.54.8
P/EBIT14.716.013.010.538.915.215.0
P/E17.324.316.016.787.219.918.6
P/CFO15.618.817.88.319.413.216.7
Total Yield6.3%6.9%9.0%10.3%4.3%11.3%7.9%
Dividend Yield0.5%2.7%2.8%4.3%3.2%6.3%3.0%
FCF Yield 3Y Avg4.4%5.6%5.1%12.0%6.0%5.3%5.5%
D/E0.00.30.20.40.20.40.2
Net D/E-0.10.20.10.30.20.30.2

Returns

REGNAMGNMRKBMYABBVPFEMedian
NameRegenero.Amgen Merck Bristol-.AbbVie Pfizer  
1M Rtn-0.4%-4.9%2.1%-2.0%-5.1%2.2%-1.2%
3M Rtn0.1%6.6%7.0%2.6%-4.5%8.1%4.6%
6M Rtn31.1%18.8%42.4%35.7%-6.4%15.3%24.9%
12M Rtn35.9%21.6%55.9%21.6%21.7%30.0%25.8%
3Y Rtn-8.5%53.0%12.1%-5.6%43.6%-20.9%3.2%
1M Excs Rtn-5.2%-9.8%-2.7%-6.9%-9.9%-2.7%-6.1%
3M Excs Rtn-1.4%7.3%8.9%3.7%-4.9%9.1%5.5%
6M Excs Rtn30.0%15.2%34.2%30.4%-12.9%8.2%22.6%
12M Excs Rtn5.8%-5.4%23.4%-11.1%-6.9%2.2%-1.6%
3Y Excs Rtn-78.8%-18.4%-56.1%-76.3%-25.7%-92.8%-66.2%

Comparison Analyses

FDA Approved Drugs Data

Expand for More
Post-Approval Fwd Returns
FDA
App #
Brand
Name
Generic
Name
Dosage
Form
FDA
Approval
3M
Rtn
6M
Rtn
1Y
Rtn
2Y
Rtn
Total
Rtn
BLA761355  EYLEA HDafliberceptinjectable8182023-1.2%16.7%45.2%-28.4%-6.6%
BLA761339  VEOPOZpozelimab-bbfginjectable8182023-1.2%16.7%45.2%-28.4%-6.6%
BLA761181  EVKEEZAevinacumab-dgnbsolution21120215.4%23.9%30.1%54.4%54.7%
BLA761169  INMAZEBatoltivimabsolution10142020-14.8%-19.9%-7.5%22.5%26.3%
BLA761097  LIBTAYOcemiplimab-rwlcinjectable9282018-10.3%1.6%-32.3%42.1%87.9%
BLA761055  DUPIXENTdupilumabinjectable328201731.3%13.7%-11.5%5.8%98.4%
BLA125559  PRALUENTalirocumabinjectable7242015-1.0%-10.9%-27.8%-4.8%40.1%
BLA125387  EYLEAafliberceptinjectable11182011107.3%141.4%216.6%462.1%1,423.8%

Financials

Segment Financials

Revenue by Segment
$ Mil20252024202320222021
EYLEA ®5,7206,2655,7924,9474,644
Collaboration revenue5,5034,914   
Libtayo ®539374306271176
Other revenue536365281557174
Libtayo32473   
Praluent ®182130170151 
EYLEA HD ®1660   
Evkeeza ®774918  
Inmazeb ®703   
ARCALYST ® 021314
REGEN-COV ® 05,828186 
Bayer  1,4091,1861,146
Roche  362  
Sanofi  1,9021,186404
Total13,11712,17316,0728,4976,558


Price Behavior

Price Behavior
Market Price$753.93 
Market Cap ($ Bil)77.7 
First Trading Date04/02/1991 
Distance from 52W High-7.1% 
   50 Days200 Days
DMA Price$765.91$671.29
DMA Trendupindeterminate
Distance from DMA-1.6%12.3%
 3M1YR
Volatility26.8%39.5%
Downside Capture0.430.52
Upside Capture131.09112.93
Correlation (SPY)36.0%24.6%
REGN Betas & Captures as of 3/31/2026

 1M2M3M6M1Y3Y
Beta1.260.870.700.440.680.61
Up Beta0.790.911.510.410.520.56
Down Beta0.330.430.11-0.150.500.49
Up Capture227%138%88%121%104%32%
Bmk +ve Days7162765139424
Stock +ve Days12223063127383
Down Capture122%75%78%36%100%93%
Bmk -ve Days12233358110323
Stock -ve Days10203362123366

[1] Upside and downside betas calculated using positive and negative benchmark daily returns respectively
Based On 1-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with REGN
REGN37.0%39.5%0.89-
Sector ETF (XLV)9.5%16.0%0.3848.7%
Equity (SPY)22.0%12.9%1.3625.1%
Gold (GLD)49.0%27.5%1.442.0%
Commodities (DBC)25.0%16.1%1.38-6.0%
Real Estate (VNQ)17.3%13.7%0.9220.2%
Bitcoin (BTCUSD)-10.4%42.6%-0.1411.7%

Smart multi-asset allocation framework can stack odds in your favor. Learn How
Based On 5-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with REGN
REGN9.8%30.2%0.34-
Sector ETF (XLV)6.5%14.6%0.2651.5%
Equity (SPY)10.9%17.0%0.5033.1%
Gold (GLD)21.9%17.8%1.013.8%
Commodities (DBC)11.5%18.8%0.500.7%
Real Estate (VNQ)4.0%18.8%0.1227.6%
Bitcoin (BTCUSD)5.1%56.5%0.318.9%

Smart multi-asset allocation framework can stack odds in your favor. Learn How
Based On 10-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with REGN
REGN5.9%32.1%0.25-
Sector ETF (XLV)9.5%16.5%0.4752.8%
Equity (SPY)13.8%17.9%0.6738.0%
Gold (GLD)14.3%15.9%0.752.0%
Commodities (DBC)8.7%17.6%0.417.0%
Real Estate (VNQ)5.4%20.7%0.2225.5%
Bitcoin (BTCUSD)67.8%66.9%1.078.4%

Smart multi-asset allocation framework can stack odds in your favor. Learn How

Short Interest

Short Interest: As Of Date3312026
Short Interest: Shares Quantity2.5 Mil
Short Interest: % Change Since 31520264.0%
Average Daily Volume0.6 Mil
Days-to-Cover Short Interest4.2 days
Basic Shares Quantity103.1 Mil
Short % of Basic Shares2.5%

Earnings Returns History

Expand for More
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
1/12/2026-3.6%-8.0%-5.2%
10/28/202511.8%9.7%34.7%
8/1/20252.5%2.6%6.6%
4/29/2025-6.9%-1.2%-3.0%
1/13/20252.9%-2.2%-4.5%
10/31/2024-9.2%-11.5%-18.7%
8/1/20241.3%-1.1%9.2%
5/2/20243.8%5.8%8.5%
...
SUMMARY STATS   
# Positive161013
# Negative81411
Median Positive3.4%5.5%6.6%
Median Negative-3.6%-2.8%-5.2%
Max Positive11.8%9.7%34.7%
Max Negative-9.2%-11.5%-18.7%

SEC Filings

Expand for More
Report DateFiling DateFiling
12/31/202502/04/202610-K
09/30/202510/28/202510-Q
06/30/202508/01/202510-Q
03/31/202504/29/202510-Q
12/31/202402/05/202510-K
09/30/202410/31/202410-Q
06/30/202408/01/202410-Q
03/31/202405/02/202410-Q
12/31/202302/05/202410-K
09/30/202311/02/202310-Q
06/30/202308/03/202310-Q
03/31/202305/04/202310-Q
12/31/202202/06/202310-K
09/30/202211/03/202210-Q
06/30/202208/03/202210-Q
03/31/202205/04/202210-Q

Recent Forward Guidance [BETA]

Latest: Q4 2025 Earnings Reported 1/30/2026

Forward GuidanceGuidance Change
MetricLowMidHigh% Chg% DeltaChangePrior
2026 GAAP R&D6.45 Bil6.57 Bil6.68 Bil14.9% Higher NewActual: 5.71 Bil for 2025
2026 Non-GAAP R&D5.90 Bil6.00 Bil6.10 Bil15.9% Higher NewActual: 5.17 Bil for 2025
2026 GAAP SG&A2.86 Bil2.95 Bil3.04 Bil5.0% Higher NewActual: 2.81 Bil for 2025
2026 Non-GAAP SG&A2.50 Bil2.58 Bil2.65 Bil6.2% Higher NewActual: 2.42 Bil for 2025
2026 COCM940.00 Mil980.00 Mil1.02 Bil0.5% Higher NewActual: 975.00 Mil for 2025
2026 Capital expenditures1.10 Bil1.20 Bil1.30 Bil37.9% Higher NewActual: 870.00 Mil for 2025
2026 GAAP gross margin on net product sales79.0%79.5%80.0%   
2026 Non-GAAP gross margin on net product sales83.0%83.5%84.0%   
2026 GAAP effective tax rate12.0%13.0%14.0%   
2026 Non-GAAP effective tax rate13.0%14.0%15.0%   

Prior: Q3 2025 Earnings Reported 10/28/2025

Forward GuidanceGuidance Change
MetricLowMidHigh% Chg% DeltaChangePrior
2025 GAAP R&D5.68 Bil5.71 Bil5.75 Bil-0.2% LoweredGuidance: 5.72 Bil for 2025
2025 Non-GAAP R&D5.15 Bil5.17 Bil5.20 Bil0.5% RaisedGuidance: 5.15 Bil for 2025
2025 GAAP SG&A2.77 Bil2.81 Bil2.85 Bil-2.3% LoweredGuidance: 2.88 Bil for 2025
2025 Non-GAAP SG&A2.40 Bil2.42 Bil2.45 Bil-3.0% LoweredGuidance: 2.50 Bil for 2025
2025 COCM950.00 Mil975.00 Mil1.00 Bil-4.9% LoweredGuidance: 1.02 Bil for 2025
2025 Capital Expenditures850.00 Mil870.00 Mil890.00 Mil-4.9% LoweredGuidance: 915.00 Mil for 2025

Insider Activity

Expand for More
#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Bassler, Bonnie L DirectSell11242025750.00760570,0001,161,000Form
2Pitofsky, JasonVP ControllerDirectSell11102025651.43431280,7662,757,503Form
3Poon, Christine A DirectSell10312025654.276,5004,252,7451,538,840Form
4Pitofsky, JasonSVP ControllerDirectSell2112026778.522,0361,585,0583,325,819Form
5Ryan, Arthur F DirectSell2112026778.5310077,85313,860,098Form