The size of the position isn't known, buy Jana Partners lists Exact Sciences (EXAS +1.8%) as a top-five position in its September investor letter, according to Bloomberg.
Jack in the Box (JACK +0.7%) isn't a new holding for Jana, but that name did move into a top-five position.
Others in the top-five: HD Supply, Pinnacle Foods, Zimmer Biomet
Now read: Take Profits On Exact Sciences »
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