Instead, healthcare-facility owner is now in talks to acquire either part or all of Brookdale, the newspaper said Thursday afternoon, citing people familiar with the matter. The Journal had reported in January that Brookdale was in talks with Blackstone and other potential buyers.
Brookdale, Ventas and Blackstone did not immediately respond to CNBC's requests for comment.
Shares of Brookdale ended the day about 6.6 percent lower, erasing gains for the week. The stock initially spiked after-hours Thursday before trading lower. Ventas shares fell about 0.66 percent on the day.
Brookdale 6-month performance
On Monday, Brookdale reported a net loss of $268.6 million for the fourth quarter, up more than 50 percent from the same quarter the prior year.
"We are operating in a difficult environment with intense supply pressure and a competitive labor market," Brookdale's chief executive officer, Andy Smith, said in the company's earnings release.
Shares of Brookdale are up more than 15 percent for the year so far, compared to the S&P 500's nearly 5 percent gain. Ventas shares are down about 0.6 percent for 2017.