BAKER BROS. ADVISORS LP

Q2 2018 vs. Q4 2013 Portfolio Holdings

Period: Q2 2018; Q4 2013
Holdings as of: 30 Jun 2018; 31 Dec 2013
Value $: $13,308,802,000; $7,095,729,000
Num holdings: 119; 95
Form type: 13F-HR; 13F-HR
Filing time: 14 Aug 2018, 15:48; 14 Feb 2014, 16:21

Compare Q2 2018 to


				Shares Or Principal Amount				Value $
Sym	Company	Class	Option	Q2 2018	Q4 2013	Diff	Change %	Q2 2018	Q4 2013	Diff	Change %