Companies Pfizer American multinational pharmaceutical and biotechnology corporationfounded 1849 SubsidiariesWWarner–Lambertfounded 1856WWyethfounded 1860, dissolved 2009Parke-Davisfounded 1866GG. D. Searle & Companyfounded 1888CCotyfounded 1904PPfizer UKfounded 1952ZZoetisfounded 1952Hospirafounded 2004Founded byCharles F. Erhart25 September 1821 – 27 December 1891Charles Pfizer22 March 1824 – 19 October 1906Owned byState Street Corporationfounded 1792TThe Vanguard Groupfounded 1 May 1975BlackRockfounded 1988OwnsMMedivationfounded 2004 From Wikipedia and Wikidata (public domain), updated daily.