New York, NY, based Investment company <a class="guru_tp" href="http://www.gurufocus.com/StockBuy.php?GuruName=Bill+Ackman" target="_blank" title="">Bill Ackman</a> buys Chipotle Mexican Grill, sells Zoetis, Versum Materials during the 3-months ended 2016-12-31, according to the most recent filings of the investment company, Pershing Square Capital Management, L.P .. As of 2016-12-31, Pershing Square Capital Management, L.P. owns 8 stocks with a total value of $5.9 billion. These are the details of the buys and sells.