CVS Caremark Expands Biosimilar Adoption Through Formulary Updates to Improve Affordability and Access
Rhea-AI Summary
CVS (NYSE: CVS) will update its most common commercial template formularies effective July 1, 2026 to prefer FDA‑approved biosimilars, including interchangeable options, to expand access and lower costs. Key moves include transitioning Stelara (ustekinumab) to biosimilars Pyzchiva and Yesintek and broader specialty category coverage.
The changes aim to reduce member out‑of‑pocket costs (most members may pay $0) and deliver client savings while providing communications and clinical support for transitions.
AI-generated analysis. Not financial advice.
Positive
- Effective July 1, 2026 preference for interchangeable biosimilars on common commercial templates
- Most members may pay $0 out‑of‑pocket for transitioned Stelara therapies
- Expanded biosimilar coverage across specialty categories including multiple sclerosis and rare blood disorders
- Planned proactive outreach, educational resources, and clinical support for members and providers
Negative
- Some members will likely need to transition from reference biologics to preferred biosimilars, creating potential care disruption
- Plan sponsors that customize templates may not adopt changes universally, limiting immediate scope of savings
News Market Reaction – CVS
On the day this news was published, CVS declined 1.61%, reflecting a mild negative market reaction. Argus tracked a peak move of +4.9% during that session. Our momentum scanner triggered 19 alerts that day, indicating notable trading interest and price volatility. This price movement removed approximately $1.86B from the company's valuation, bringing the market cap to $113.52B at that time.
Data tracked by StockTitan Argus on the day of publication.
Key Figures
Market Reality Check
Peers on Argus
CVS was roughly flat (-0.1%) while peers were mixed: CI -1.29%, ELV +0.17%, HUM +1.62%, CNC +1.02%, MOH +1.63%. No broad, same-direction sector move is evident.
Historical Context
| Date | Event | Sentiment | Move | Catalyst |
|---|---|---|---|---|
| Apr 24 | Process improvement update | Positive | -1.2% | Aetna reported faster, more standardized prior authorization processing metrics. |
| Apr 08 | Provider survey results | Positive | +0.7% | Aetna shared provider optimism and automation gains in prior authorization. |
| Apr 06 | Earnings call notice | Neutral | -0.3% | Announcement of Q1 2026 earnings conference call timing and webcast details. |
| Apr 01 | Business divestiture step | Neutral | +0.9% | Omnicare entered an asset purchase agreement as stalking horse in sale process. |
| Mar 30 | Store expansion | Positive | +0.1% | Opening of first pharmacy-only Chicago site and plans for additional locations. |
Recent operational and strategic news has usually seen modest, directionally aligned price moves, with one instance of a negative reaction to positive process-improvement news.
Over the past few months, CVS-related news has focused on operational improvements and strategic initiatives. On Mar 30, 2026, CVS highlighted new pharmacy-only locations and modestly gained on the day. Early April brought Omnicare’s court‑supervised sale process and a provider survey from Aetna, both followed by small positive price moves. An April 24 update on simplifying prior authorization saw a -1.17% reaction, while an upcoming Q1 2026 earnings call notice on Apr 6 coincided with only a slight move. Today’s biosimilar formulary expansion fits this pattern of operational, cost-focused news.
Market Pulse Summary
This announcement centers on CVS Caremark’s move to prefer lower-cost, often interchangeable biosimilars, with most affected members paying $0 out-of-pocket for certain therapies. It builds on recent CVS initiatives to streamline access and manage drug costs. Historically, similar operational updates have led to modest, mixed price reactions. Investors may watch how these formulary changes influence prescription mix, client savings, and overall performance metrics such as the $402.1 billion in 2025 revenue and $10.6 billion in operating cash flow highlighted in recent filings.
Key Terms
biosimilars medical
interchangeable medical
formulary technical
u.s. food and drug administration (fda) regulatory
pharmacy benefit manager financial
prior authorization technical
stock options financial
restricted stock units financial
AI-generated analysis. Not financial advice.
New changes expected to deliver significant client savings while maintaining rigorous clinical standards
What changes are CVS Caremark making to its formulary?
Effective July 1, 2026, CVS Caremark® will implement targeted updates to its most common commercial template formularies to increase adoption of
As part of these updates, CVS Caremark will transition from Stelara® (ustekinumab) on its most common commercial template formularies to preferring lower-cost, interchangeable biosimilar alternatives— Pyzchiva® and Yesintek®. With this change, most members will pay
Why is CVS Health expanding its use of biosimilars?
"Our formulary plays a critical role in addressing rising drug costs without compromising clinical quality," said Joshua Fredell, PharmD, SVP, CVS Health. "Expanding adoption of FDA‑approved biosimilars allows us to deliver significant savings for clients while supporting broader, more affordable access to proven therapies."
How will these changes expand access to lower-cost, interchangeable biosimilars therapies?
In addition to changes involving Stelara, CVS Caremark is expanding biosimilar coverage across select specialty categories, including treatments for multiple sclerosis and rare blood disorders, such as biosimilar alternatives to therapies like Tysabri® (with biosimilars Briumvi® and Tyruko®) and Soliris® (biosimilar Epysqli®). These biosimilars meet the same FDA standards for safety, effectiveness, and quality as their reference products and, where applicable, are designated as interchangeable, offering a more affordable option for patients and plan sponsors.
These updates are part of CVS Caremark's broader formulary strategy, which prioritizes:
- Affordability: Leveraging competition to reduce net drug costs
- Access: Expanding availability of clinically appropriate treatment options
- Value: Supporting long-term sustainability for clients and members
What is a formulary and how does it impact patients?
A formulary is a list of prescription medications available under a health plan, managed with the support of a pharmacy benefit manager. CVS Caremark regularly evaluates its template formularies — which plan sponsors may adopt or customize based on the needs of their populations — to help support member access to clinically appropriate treatments, as evaluated by an independent Pharmacy & Therapeutics committee, while helping manage overall drug costs for clients and the members they serve.
How is CVS Caremark supporting clients and members through these changes?
CVS Caremark will provide advanced communication and support to clients, consultants, providers and members to help ensure a smooth transition to preferred therapies. These efforts include proactive outreach, educational resources, and clinical support programs.
These formulary updates are one component of CVS Health's ongoing efforts to address rising prescription drug costs and improve access to affordable medications for the millions of Americans it serves.
About CVS Health
CVS Health is a leading health solutions company building a world of health around every consumer, wherever they are. As of December 31, 2025, the Company had approximately 9,000 retail pharmacy locations, more than 1,000 walk-in and primary care medical clinics and a leading pharmacy benefits manager with approximately 87 million plan members. The Company also serves an estimated more than 37 million people through traditional, voluntary and consumer-directed health insurance products and related services, including highly rated Medicare Advantage offerings and a leading standalone Medicare Part D prescription drug plan. The Company's integrated model uses personalized, technology driven services to connect people to simply better health, increasing access to quality care, delivering better outcomes, and lowering overall costs.
Media Contact:
Phil Blando Phillip.Blando@cvshealth.com
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SOURCE CVS Health