Logo of Bain Capital is screened at a news conference in Tokyo, Japan September 28, 2017.
Shares of Estia Health were up 9.9% at A$3.12 as of 0045 GMT, their highest since Sept 2018.
Bain Capital did not immediately respond to a Reuters request for comment.
In June, the company updated the market on its intentions to back Bain Capital's increased offer of $A3 per share to A$3.20.
"If they acquire Estia Health they may be stuck with it in the days ahead."
Persons:
Kim Kyung, Estia, Bain Capital's, Gary Weiss, Estia's, Brad Smoling, Smoling, Rishav Chatterjee, Scott Murdoch, Sherry Jacob, Phillips, Stephen Coates
Organizations:
Bain Capital, REUTERS, Global, Estia, Bain, Virgin Australia, Australia, Health, Thomson
Locations:
Tokyo, Japan, Sydney, Australia, Bengaluru