New York Stock Exchange

A trader points up at a display on the floor of the New York Stock Exchange August 20, 2012. Health insurer Aetna Inc said on Monday that it would buy rival Coventry Health Care Inc for $5.6 billion to increase its share of the fast-growing, U.S. government-backed Medicare and Medicaid programs. (BRENDAN MCDERMID, Reuters Photo / August 20, 2012)

U.S. health insurers are snapping up rivals as they look to take advantage of a major expansion in the U.S. government's health program.

President Barack Obama's healthcare law, which was upheld by the U.S. Supreme Court in June, aims to extend coverage to more than 30 million uninsured Americans.

Listed below are some recent deals in this space:



- Aetna Inc said it will buy rival Coventry Health Care Inc for $5.6 billion in cash and stock to boost its share of government business and benefit from U.S. healthcare reforms.


- WellPoint Inc will buy rival Amerigroup Corp for $4.46 billion, nearly doubling its Medicaid business in a major bet on the expansion of the U.S. government's health plan for the poor.


- SXC Health Solutions Corp to buy rival pharmacy benefit manager Catalyst Health Solutions Inc for $4.4 billion.


- Health insurer Universal American Corp, which was seen as a takeover candidate, will buy privately owned APS Healthcare Inc for $227.5 million to expand its Medicare services.

- CVS Caremark Inc to buy the Medicare prescription drug plan business of a unit of Health Net Inc for $160 million.



- UnitedHealth Group Inc plans to acquire privately held XLHealth Corp.

- SXC Health Solutions Corp to buy privately held smaller rival HealthTrans LLC for $250 million in cash.


- Health insurer Amerigroup Corp to buy all of the operating assets and contracting rights of Medicaid manager Health Plus for $85 million in cash to expand its presence in New York.

- Health insurer Cigna Corp will buy HealthSpring Inc for $3.8 billion to jump-start its business selling Medicare plans.