The investigation concerns the payment of bribes to officials in various African countries, including Kenya, by the Tel Aviv-listed company.
When women are business owners, their firms are generally smaller and are less valuable than those owned by men.
Last month, Arison was questioned as a suspect in an investigation into alleged corruption.
The buyers insist on anonymity at this stage, but they are believed to be entities that manage billions of dollars and that currently have almost no activity in Israel.
A wealthy businesswoman who believes everyone can and should perform good deeds, Shari Arison became a well known persona in Israel.
Meet the country's movers and shakers with the deepest pockets as of 2017.
A billionaire who cares.
More than 1.3 million Israelis took part Tuesday in more than 14,000 projects throughout the country to mark the day.