(Bloomberg) -- Activist investor Carl Icahn owns a 4% stake in International Flavors & Fragrances Inc., CNBC reported on its website, citing unidentified people familiar with the matter. 

International Flavors shares rose 2.5% to $142.83 at 10:14 a.m. in New York trading. The stock has advanced about 19% in the last 12 months.

Separately, IFF on Thursday named former Merck & Co. executive Frank Clyburn to succeed Andreas Fibig as chief executive officer effective Feb. 14. The developer of flavors and scents for food and household products is separating the chairman and CEO roles. It named Dale Morrison as non-executive chairman. 

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