Investor Relations

Ownership Summary


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Top Holders
 Shares Held% O/SShare ChangeFiling Date
Novartis AG278,1723.2010/02/18
Truffle Capital106,3011.249,39509/27/18
Heights Capital Management, Inc.92,7681.192,76809/30/18
Intracoastal Capital, L.L.C.65,9090.865,90910/16/18
Hudson Bay Capital Management LP50,0000.66,91709/30/18
HealthCap AB45,9530.545,95304/27/18
Renaissance Technologies LLC42,3010.516,43609/30/18
OFCO Club V41,0330.51,63612/31/17
Schaffer (Derace L)20,0620.2009/27/18
Hodges (Philip L.)19,4560.2-3,12009/27/18
Ownership data based on most recent publicly available data according to Thomson Financial.