Humana shares jump amid Aetna takeover report

Health insurer Aetna is reportedly nearing the acquisition of Humana, according to a Bloomberg report on Thursday. The deal could close as early as this weekend, the news outlet reported, citing unnamed sources. (Tweet this)

Shares of Humana rallied more than 8 percent after trading was briefly halted for volatility.

Aetna made a formal bid for the health insurance company this week, Bloomberg reported, in a cash and stock offer, but no agreement has been reached yet. Humana is currently valued at $28 billion and has received another offer from Cigna, the report continued.

Read More'Frustrated' Anthem makes new offer to Cigna as Aetna moves in on Humana

Humana stock spiked in late May when a takeover report surfaced claiming that either Aetna or Cigna had made bids to the company.

Humana is especially attractive because of its 3.2 million Medicare Advantage members, Bloomberg reported.

Humana and Aetna signage.
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"Medicare Advantage is a coveted space," Michael Bernstein, a partner at Baird Capital's U.S. private equity team who focuses on health care, told Bloomberg. "To develop a similar scale in Medicare would take a great deal of work and time, which would be bypassed by making that transaction happen."

Aetna declined to comment to CNBC.

Read the full coverage at Bloomberg.