(Reuters) - Activist investor Carl Icahn has raised his stake in Herbalife Ltd (N:HLF) to 23.1 percent as of Nov. 3, according to a regulatory filing on Thursday.
Icahn had reported a 20.78 percent stake in the company in August.
Herbalife said on Tuesday that Chief Executive Michael Johnson would step down next year and be replaced by Chief Operating Officer Richard Goudis, a choice Icahn said he fully supported.
Herbalife's shares were up just over 1 percent in extended trading.