RA CAPITAL MANAGEMENT, LLC

Q1 2017 vs. Q1 2018 13F Holdings

Period: Q1 2017; Q1 2018
Holdings as of: 3/31/2017; 3/31/2018
Value ($000): $815,257; $1,305,208
Num holdings: 24; 31
Form type: 13F-HR; 13F-HR
Date filed: 5/15/2017; 5/15/2018

Compare Q1 2018 to


					Shares or Principal				Value ($000)
Sym	Issuer Name	Cl	CUSIP	Option Type	Q1 2017	Q1 2018	Diff	Chg %	Q1 2017	Q1 2018	Diff	Chg %