Barry Rosenstein's Jana Partners disclosed in a regulatory filing its holdings as of March 31, 2018. Jana made 23 new buys during the first quarter, including, by size of position, Autodesk (ADSK), Anthem (ANTM), Boston Scientific (BSX), Lam Research (LRCX) and Dr Pepper Snapple (DPS). Jana exited 14 positions during the quarter, including by size of previous position, EQT Corporation (EQT), Liberty Broadband (LBRDA), Comcast (CMCSA), Facebook (FB) and Iqvia (IQVIA). Jana increased its stake in four holdings, Pinnacle Foods (PF), Jack in the Box (JACK), Northrop Grumman (NOC) and Conagra Brands (CAG). The fund reduced its stake in nine holdings, including by size First Data (FDC), Zimmer Biomet (ZBH), D.R. Horton (DHI), Tiffany (TIF) and PTC (PTC). Jana's top holdings as of March, in order of size, were Tiffany, HD Supply (HDS), Zimmer Biomet, Pinnacle Foods and Jack in the Box.