The Citadel Investment Group upped its stake in Take Two over the holidays, and now owns about six percent of the Grand Theft Auto publisher.
With GTA V on the horizon the group, owned by billionaire Ken Griffin, is not the only firm to take an interest in the company.
Gamespot points out that Investing heavy hitter Carl Icahn revealed he had ownership of 8.7 million Take Two shares.
According to an SEC filing, Citadel now owns 5.5 million shares of the publisher's stock, which was up today by 3.5 percent to $11.88 a share.
The highly anticipated GTA V is due for release this spring on Xbox 360 and PlayStation 3.