The Cigna Group stands as one of the largest health services organizations in the United States. The company provides insurance and related products through its two primary divisions: Cigna Healthcare and Evernorth Health Services.
Headquartered in Bloomfield, Connecticut, Cigna serves more than 178 million customer relationships worldwide. The company offers medical, dental, disability, life, and accident insurance products primarily through employers and other group organizations.
Cigna ranked No. 15 on the 2023 Fortune 500 list of largest U.S. corporations by total revenue. The company traces its roots back to 1792, making it one of the oldest insurance organizations in America.
Cigna Corporation History
Cigna Corporation emerged from the merger of two established insurance companies with combined histories spanning over two centuries. The 1982 union brought together Connecticut General Life Insurance Company and INA Corporation to create a diversified health services leader.
Cigna Corporation Co-founders
Cigna Corporation resulted from the 1982 merger of two historic insurance companies. Each predecessor organization brought distinct expertise and market presence to the combined entity.
A group of prominent Philadelphia citizens established INA as the first marine insurance company in America. The company pioneered stock insurance and expanded into fire and life coverage throughout its history.
Created through a special act signed by the Governor of Connecticut. The company built expertise in life insurance and employee benefits, helping establish Hartford as an insurance capital.
Cigna Corporation Revenue
Cigna Corporation generated $247.1 billion in total revenue for fiscal year 2024, representing a 27% increase from the prior year. This growth reflects strong performance in pharmacy benefits management and health insurance segments.
The Express Scripts acquisition in 2018 dramatically transformed Cigna’s revenue profile. Annual revenues jumped from approximately $42 billion to over $150 billion following the merger completion.
Cigna Corporation Competitors
Cigna operates in a competitive health insurance and pharmacy benefits management market. The company faces competition from large integrated health services organizations and specialized insurers across various product lines.
| Company | Primary Business | Headquarters |
|---|---|---|
| UnitedHealth Group | Health Insurance, Health Services | Minnetonka, Minnesota |
| Elevance Health | Health Insurance (BCBS licensee) | Indianapolis, Indiana |
| CVS Health | Pharmacy, Health Insurance, Retail | Woonsocket, Rhode Island |
| Humana | Health Insurance, Medicare | Louisville, Kentucky |
| Centene Corporation | Medicaid, Medicare, Marketplace | St. Louis, Missouri |
| Molina Healthcare | Medicaid, Medicare | Long Beach, California |
| Kaiser Permanente | Integrated Health System | Oakland, California |
| Aetna (CVS Health) | Health Insurance | Hartford, Connecticut |
| HCSC | Health Insurance (BCBS licensee) | Chicago, Illinois |
| Highmark | Health Insurance (BCBS licensee) | Pittsburgh, Pennsylvania |
Cigna Corporation Market Cap
The Cigna Group maintains a market capitalization of approximately $74 billion as of November 2025. This valuation positions Cigna among the largest publicly traded healthcare companies globally.
Market cap fluctuations reflect investor sentiment regarding healthcare policy changes, competitive dynamics, and company performance in pharmacy benefits and insurance segments.
Cigna Corporation Acquisitions
Cigna Corporation has pursued strategic acquisitions to expand its healthcare services capabilities. The company’s acquisition strategy shifted focus from diversified insurance operations to integrated health services during the 1990s and 2000s.
In 1984, Cigna acquired the American Foreign Insurance Association to strengthen international underwriting operations. The 1990 EQUICOR acquisition added one of the largest employee benefits providers in the country to Cigna’s portfolio.
The 1997 Healthsource acquisition expanded Cigna’s managed care presence across multiple states. This purchase helped establish the company as a major player in the health maintenance organization market.
HealthSpring joined Cigna in 2011 through a $3.8 billion acquisition. This transaction expanded Medicare Advantage membership from 46,000 to nearly 400,000 members, significantly boosting the company’s presence in government-sponsored healthcare programs.
Cigna acquired Brighter in 2017 to accelerate technology platform development connecting health consumers with providers. That same year, Cigna partnered with CVS Health to launch new models for affordable pharmacy and healthcare access.
The Express Scripts acquisition in 2018 represented the most transformative deal in company history. The $67 billion transaction created an integrated health services company combining insurance coverage with pharmacy benefits management. This merger positioned Cigna to compete more effectively against diversified healthcare organizations like UnitedHealth Group.
In January 2024, Cigna announced the sale of its Medicare Advantage, Medicare Supplemental Benefits, Medicare Part D, and CareAllies businesses to Health Care Service Corporation. This divestiture allows the company to focus resources on its core commercial health insurance and Evernorth pharmacy services operations.
FAQs
When was Cigna Corporation founded?
Cigna Corporation formed in 1982 through the merger of Connecticut General Life Insurance Company (founded 1865) and INA Corporation (founded 1792). The name combines letters from both predecessor companies.
What does Cigna stand for?
Cigna combines letters from the two merged companies: CG from Connecticut General and INA from Insurance Company of North America. The name was created specifically for the 1982 merger.
Where is Cigna Corporation headquarters located?
Cigna Corporation is headquartered in Bloomfield, Connecticut. The company maintains operations in more than 30 countries worldwide and serves approximately 178 million customer relationships.
What are the main divisions of The Cigna Group?
The Cigna Group operates through two primary divisions: Cigna Healthcare provides medical, dental, and specialty insurance products. Evernorth Health Services delivers pharmacy benefits management and specialty pharmacy solutions.
How many employees does Cigna have?
Cigna Corporation employed approximately 73,500 people as of December 2024. The workforce supports operations across health insurance, pharmacy benefits management, and related healthcare services.

