Klingenstein Fields & Co. LP reduced its position in shares of Pfizer Inc. (NYSE:PFE – Free Report) by 2.8% in the 4th quarter, Holdings Channel.com reports. The institutional investor owned 322,140 shares of the biopharmaceutical company’s stock after selling 9,340 shares during the period. Klingenstein Fields & Co. LP’s holdings in Pfizer were worth $9,274,000 […]